Auto merge of #23610 - servo-wpt-sync:wpt_update_23-06-2019, r=servo-wpt-sync

Sync WPT with upstream (23-06-2019)

Automated downstream sync of changes from upstream as of 23-06-2019.
[no-wpt-sync]

tests/wpt/metadata/FileAPI/url/url-with-fetch.any.js.ini

@@ -14,6 +14,9 @@
   [Revoke blob URL after creating Request, will fetch]
     expected: FAIL
 
+  [Revoke blob URL after calling fetch, fetch should succeed]
+    expected: FAIL
+
 
 [url-with-fetch.any.html]
   [Untitled]
@@ -34,3 +37,6 @@
   [Revoke blob URL after creating Request, will fetch]
     expected: FAIL
 
+  [Revoke blob URL after calling fetch, fetch should succeed]
+    expected: FAIL
+

tests/wpt/metadata/css/css-transitions/transitions-animatable-properties-01.html.ini

@@ -74,6 +74,3 @@
   [opacity end]
     expected: FAIL
 
-  [outline-width end]
-    expected: FAIL
-

tests/wpt/metadata/css/css-ui/appearance-parsing.html.ini

@@ -0,0 +1,10 @@
+[appearance-parsing.html]
+  [parsing via modification of cssText]
+    expected: FAIL
+
+  [parsing via attribute change steps of CSS declaration block's owner node]
+    expected: FAIL
+
+  [parsing via creation of CSS declaration block]
+    expected: FAIL
+

tests/wpt/metadata/css/css-ui/appearance-property.html.ini

@@ -0,0 +1,13 @@
+[appearance-property.html]
+  [property access]
+    expected: FAIL
+
+  [removeProperty]
+    expected: FAIL
+
+  [getPropertyValue]
+    expected: FAIL
+
+  [setProperty]
+    expected: FAIL
+

tests/wpt/metadata/css/css-ui/appearance-serialization.html.ini

@@ -0,0 +1,10 @@
+[appearance-serialization.html]
+  [serialization via CSSStyleRule]
+    expected: FAIL
+
+  [serialization via CSSStyleDeclaration]
+    expected: FAIL
+
+  [serialization via CSSMediaRule]
+    expected: FAIL
+

tests/wpt/metadata/css/css-ui/webkit-appearance-parsing.html.ini

@@ -0,0 +1,10 @@
+[webkit-appearance-parsing.html]
+  [parsing via modification of cssText]
+    expected: FAIL
+
+  [parsing via attribute change steps of CSS declaration block's owner node]
+    expected: FAIL
+
+  [parsing via creation of CSS declaration block]
+    expected: FAIL
+

tests/wpt/metadata/css/css-ui/webkit-appearance-property.html.ini

@@ -0,0 +1,40 @@
+[webkit-appearance-property.html]
+  [removeProperty - camel-cased property name (ignored)]
+    expected: FAIL
+
+  [removeProperty - webkit-cased property name (ignored)]
+    expected: FAIL
+
+  [setProperty - CSS property name]
+    expected: FAIL
+
+  [property assignment - webkit-cased property name]
+    expected: FAIL
+
+  [setProperty - camel-cased property name (ignored)]
+    expected: FAIL
+
+  [property assignment - camel-cased property name]
+    expected: FAIL
+
+  [property access - CSS property name]
+    expected: FAIL
+
+  [removeProperty - CSS property name]
+    expected: FAIL
+
+  [property access - webkit-cased property name]
+    expected: FAIL
+
+  [property access - camel-cased property name]
+    expected: FAIL
+
+  [getPropertyValue - CSS property name]
+    expected: FAIL
+
+  [property assignment - CSS property name]
+    expected: FAIL
+
+  [setProperty - webkit-cased property name (ignored)]
+    expected: FAIL
+

tests/wpt/metadata/css/css-ui/webkit-appearance-serialization.html.ini

@@ -0,0 +1,10 @@
+[webkit-appearance-serialization.html]
+  [serialization via CSSStyleRule]
+    expected: FAIL
+
+  [serialization via CSSStyleDeclaration]
+    expected: FAIL
+
+  [serialization via CSSMediaRule]
+    expected: FAIL
+

tests/wpt/metadata/css/filter-effects/backdrop-filter-plus-mask.html.ini

@@ -0,0 +1,2 @@
+[backdrop-filter-plus-mask.html]
+  expected: FAIL

tests/wpt/metadata/encoding/single-byte-decoder.html.ini

@@ -2,7 +2,6 @@
   type: testharness
 
 [single-byte-decoder.html?document]
-  expected: TIMEOUT
   [ISO-8859-4: iso_8859-4:1988 (document.characterSet and document.inputEncoding)]
     expected: FAIL
 

tests/wpt/metadata/fetch/content-type/response.window.js.ini

@@ -321,12 +321,15 @@
   [<iframe>: separate response Content-Type: */* text/html]
     expected: FAIL
 
-  [<iframe>: separate response Content-Type: text/html;x=" text/plain]
-    expected: FAIL
-
   [<iframe>: separate response Content-Type: text/html;" text/plain]
     expected: FAIL
 
   [<iframe>: separate response Content-Type: text/html;" \\" text/plain]
     expected: FAIL
 
+  [<iframe>: combined response Content-Type: text/html */*;charset=gbk]
+    expected: FAIL
+
+  [<iframe>: combined response Content-Type: text/html;" \\" text/plain]
+    expected: FAIL
+

tests/wpt/metadata/fetch/content-type/script.window.js.ini

@@ -56,3 +56,9 @@
   [separate text/javascript x/x]
     expected: FAIL
 
+  [separate text/javascript;charset=windows-1252 error text/javascript]
+    expected: FAIL
+
+  [separate text/javascript ]
+    expected: FAIL
+

tests/wpt/metadata/fetch/nosniff/parsing-nosniff.window.js.ini

@@ -11,6 +11,6 @@
   [X-Content-Type-Options%3A%20nosniff%0C]
     expected: FAIL
 
-  [X-Content-Type-Options%3A%20%2Cnosniff]
+  [X-Content-Type-Options%3A%20'NosniFF']
     expected: FAIL
 

tests/wpt/metadata/fetch/sec-metadata/redirect/multiple-redirect-https-downgrade-upgrade.tentative.sub.html.ini

@@ -0,0 +1,20 @@
+[multiple-redirect-https-downgrade-upgrade.tentative.sub.html]
+  expected: ERROR
+  [Https downgrade-upgrade iframe => No headers]
+    expected: FAIL
+
+  [Https downgrade-upgrade script => No headers]
+    expected: FAIL
+
+  [Https downgrade-upgrade top level navigation => No headers]
+    expected: FAIL
+
+  [Https downgrade-upgrade fetch() api => No headers]
+    expected: NOTRUN
+
+  [Https downgrade-upgrade embed => No headers]
+    expected: TIMEOUT
+
+  [Https downgrade-upgrade object => No headers]
+    expected: NOTRUN
+

tests/wpt/metadata/fetch/sec-metadata/redirect/redirect-http-upgrade.tentative.sub.html.ini

@@ -0,0 +1,20 @@
+[redirect-http-upgrade.tentative.sub.html]
+  expected: ERROR
+  [Http upgrade object => No headers]
+    expected: NOTRUN
+
+  [Http upgrade embed => No headers]
+    expected: TIMEOUT
+
+  [Http upgrade script => No headers]
+    expected: FAIL
+
+  [Http upgrade iframe => No headers]
+    expected: FAIL
+
+  [Http upgrade top level navigation => No headers]
+    expected: FAIL
+
+  [Http upgrade fetch() api => No headers]
+    expected: NOTRUN
+

tests/wpt/metadata/fetch/sec-metadata/redirect/redirect-https-downgrade.tentative.sub.html.ini

@@ -0,0 +1,11 @@
+[redirect-https-downgrade.tentative.sub.html]
+  expected: ERROR
+  [Https downgrade fetch() api => No headers]
+    expected: NOTRUN
+
+  [Https downgrade object => No headers]
+    expected: NOTRUN
+
+  [Https downgrade embed => No headers]
+    expected: TIMEOUT
+

tests/wpt/metadata/html/browsers/history/the-history-interface/traverse_the_history_3.html.ini

@@ -1,4 +1,4 @@
-[traverse_the_history_4.html]
+[traverse_the_history_3.html]
   [Multiple history traversals, last would be aborted]
     expected: FAIL
 

tests/wpt/metadata/html/cross-origin-opener/new_window_null.tentative.html.ini

@@ -0,0 +1,55 @@
+[new_window_null.tentative.html]
+  [null document opening popup to http://not-web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [null document opening popup to http://web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [null document opening popup to http://web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [null document opening popup to http://web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [null document opening popup to http://not-web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [null document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [null document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [null document opening popup to http://web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [null document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [null document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [null document opening popup to http://www1.web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [null document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [null document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [null document opening popup to http://www1.web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [null document opening popup to http://web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [null document opening popup to http://web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [null document opening popup to http://not-web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [null document opening popup to http://not-web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+

tests/wpt/metadata/html/cross-origin-opener/new_window_same_origin.tentative.html.ini

@@ -0,0 +1,55 @@
+[new_window_same_origin.tentative.html]
+  [same-origin document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://not-web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://not-web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://not-web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://www1.web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-origin document opening popup to http://web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-origin document opening popup to http://not-web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-origin document opening popup to http://www1.web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-origin document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+

tests/wpt/metadata/html/cross-origin-opener/new_window_same_origin_unsafe_allow_outgoing.tentative.html.ini

@@ -0,0 +1,55 @@
+[new_window_same_origin_unsafe_allow_outgoing.tentative.html]
+  [same-origin_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-origin_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+

tests/wpt/metadata/html/cross-origin-opener/new_window_same_site.tentative.html.ini

@@ -0,0 +1,55 @@
+[new_window_same_site.tentative.html]
+  [same-site document opening popup to http://not-web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-site document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-site document opening popup to http://web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-site document opening popup to http://web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-site document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site document opening popup to http://web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-site document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-site document opening popup to http://www1.web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-site document opening popup to http://not-web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site document opening popup to http://not-web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-site document opening popup to http://not-web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-site document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site document opening popup to http://web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site document opening popup to http://web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site document opening popup to http://web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-site document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-site document opening popup to http://www1.web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+

tests/wpt/metadata/html/cross-origin-opener/new_window_same_site_unsafe_allow_outgoing.tentative.html.ini

@@ -0,0 +1,55 @@
+[new_window_same_site_unsafe_allow_outgoing.tentative.html]
+  [same-site_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "same-site"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: ""]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "jibberish"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "same-origin unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://web-platform.test:8000 with COOP: "same-site unsafe-allow-outgoing"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://not-web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+
+  [same-site_unsafe-allow-outgoing document opening popup to http://www1.web-platform.test:8000 with COOP: "same-origin"]
+    expected: FAIL
+

tests/wpt/metadata/navigation-timing/unload-event-same-origin-check.html.ini

@@ -0,0 +1,37 @@
+[unload-event-same-origin-check.html]
+  [Redirect chain with a partial TAO opt-in]
+    expected: FAIL
+
+  [No previous document with same origin redirect]
+    expected: FAIL
+
+  [cross-cross-same Redirect chain with no TAO opt-in]
+    expected: FAIL
+
+  [Same-cross-same redirect chain with no TAO opt-in]
+    expected: FAIL
+
+  [Same origin previous document with same origin redirect]
+    expected: FAIL
+
+  [Redirect chain with full TAO opt-in]
+    expected: FAIL
+
+  [Previous document same origin]
+    expected: FAIL
+
+  [No previous document]
+    expected: FAIL
+
+  [No previous document with cross origin redirect]
+    expected: FAIL
+
+  [Previous document cross origin]
+    expected: FAIL
+
+  [No previous document with cross origin redirect with TAO]
+    expected: FAIL
+
+  [No previous document with cross origin redirect with partial TAO]
+    expected: FAIL
+

tests/wpt/metadata/subresource-integrity/subresource-integrity.html.ini

@@ -0,0 +1,4 @@
+[subresource-integrity.html]
+  [Style: Same-origin with correct sha256 and sha512 hash, rel='alternate stylesheet' enabled]
+    expected: FAIL
+

tests/wpt/metadata/webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-fft-scaling.html.ini

@@ -1,4 +1,5 @@
 [realtimeanalyser-fft-scaling.html]
+  expected: TIMEOUT
   [X 2048-point FFT peak position is not equal to 64. Got 0.]
     expected: FAIL
 

tests/wpt/metadata/webdriver/tests/set_window_rect/set.py.ini

@@ -40,3 +40,7 @@
 
   [test_height_width_larger_than_max]
     expected: FAIL
+
+  [test_negative_x_y]
+    expected: FAIL
+

tests/wpt/metadata/webdriver/tests/switch_to_window/alerts.py.ini

@@ -0,0 +1,4 @@
+[alerts.py]
+  [test_retain_tab_modal_status]
+    expected: FAIL
+

tests/wpt/metadata/websockets/remove-own-iframe-during-onerror.window.js.ini

@@ -0,0 +1,5 @@
+[remove-own-iframe-during-onerror.window.html]
+  expected: TIMEOUT
+  [removing an iframe from within an onerror handler should work]
+    expected: TIMEOUT
+

tests/wpt/web-platform-tests/.azure-pipelines.yml

@@ -85,11 +85,11 @@ jobs:
   - template: tools/ci/azure/install_safari.yml
   - template: tools/ci/azure/update_hosts.yml
   - template: tools/ci/azure/update_manifest.yml
-  - script: no_proxy='*' ./wpt run --yes --no-manifest-update --manifest MANIFEST.json --metadata infrastructure/metadata/ --log-tbpl $(Build.ArtifactStagingDirectory)/chrome.tbpl.log --log-tbpl-level info --channel dev chrome infrastructure/
+  - script: no_proxy='*' ./wpt run --yes --no-manifest-update --manifest MANIFEST.json --metadata infrastructure/metadata/ --log-tbpl - --log-tbpl-level info --channel dev chrome infrastructure/
     displayName: 'Run tests: Chrome Dev'
-  - script: no_proxy='*' ./wpt run --yes --no-manifest-update --manifest MANIFEST.json --metadata infrastructure/metadata/ --log-tbpl $(Build.ArtifactStagingDirectory)/firefox.tbpl.log --log-tbpl-level info --channel nightly firefox infrastructure/
+  - script: no_proxy='*' ./wpt run --yes --no-manifest-update --manifest MANIFEST.json --metadata infrastructure/metadata/ --log-tbpl - --log-tbpl-level info --channel nightly firefox infrastructure/
     displayName: 'Run tests: Firefox Nightly'
-  - script: no_proxy='*' ./wpt run --yes --no-manifest-update --manifest MANIFEST.json --metadata infrastructure/metadata/ --log-tbpl $(Build.ArtifactStagingDirectory)/safari.tbpl.log --log-tbpl-level info --channel preview safari infrastructure/
+  - script: no_proxy='*' ./wpt run --yes --no-manifest-update --manifest MANIFEST.json --metadata infrastructure/metadata/ --log-tbpl - --log-tbpl-level info --channel preview safari infrastructure/
     displayName: 'Run tests: Safari Technology Preview'
   - task: PublishBuildArtifacts@1
     displayName: 'Publish results'
@@ -223,7 +223,7 @@ jobs:
   - template: tools/ci/azure/install_edge.yml
   - template: tools/ci/azure/update_hosts.yml
   - template: tools/ci/azure/update_manifest.yml
-  - script: python ./wpt run --yes --no-manifest-update --install-fonts --manifest MANIFEST.json --metadata infrastructure/metadata/ --log-tbpl $(Build.ArtifactStagingDirectory)/edge.tbpl.log --log-tbpl-level info --channel dev edgechromium infrastructure/
+  - script: python ./wpt run --yes --no-manifest-update --install-fonts --manifest MANIFEST.json --metadata infrastructure/metadata/ --log-tbpl - --log-tbpl-level info --channel dev edgechromium infrastructure/
     displayName: 'Run tests: Edge Dev'
   - task: PublishBuildArtifacts@1
     displayName: 'Publish results'
@@ -256,7 +256,7 @@ jobs:
   - template: tools/ci/azure/install_edge.yml
   - template: tools/ci/azure/update_hosts.yml
   - template: tools/ci/azure/update_manifest.yml
-  - script: python ./wpt run --yes --no-manifest-update --no-restart-on-unexpected --no-fail-on-unexpected --install-fonts --this-chunk $(System.JobPositionInPhase) --total-chunks $(System.TotalJobsInPhase) --chunk-type hash --log-tbpl - --log-tbpl-level info --log-wptreport $(Build.ArtifactStagingDirectory)/wpt_report_$(System.JobPositionInPhase).json --log-wptscreenshot $(Build.ArtifactStagingDirectory)/wpt_screenshot_$(System.JobPositionInPhase).txt --channel dev edgechromium
+  - script: python ./wpt run --yes --no-manifest-update --no-restart-on-unexpected --no-fail-on-unexpected --install-fonts --this-chunk $(System.JobPositionInPhase) --total-chunks $(System.TotalJobsInPhase) --chunk-type hash --log-wptreport $(Build.ArtifactStagingDirectory)/wpt_report_$(System.JobPositionInPhase).json --log-wptscreenshot $(Build.ArtifactStagingDirectory)/wpt_screenshot_$(System.JobPositionInPhase).txt --log-tbpl - --log-tbpl-level info --channel dev edgechromium
     displayName: 'Run tests: Edge Dev'
   - task: PublishBuildArtifacts@1
     displayName: 'Publish results'
@@ -293,7 +293,7 @@ jobs:
   - script: |
       # TODO: drop this when `safaridriver --version` is supported.
       SAFARI_VERSION="$(/usr/libexec/PlistBuddy -c 'Print :CFBundleShortVersionString' /Applications/Safari.app/Contents/Info.plist) ($(/usr/libexec/PlistBuddy -c 'Print :CFBundleVersion' /Applications/Safari.app/Contents/Info.plist))"
-      no_proxy='*' ./wpt run --no-manifest-update --no-restart-on-unexpected --no-fail-on-unexpected --this-chunk=$(System.JobPositionInPhase) --total-chunks=$(System.TotalJobsInPhase) --chunk-type hash --log-wptreport $(Build.ArtifactStagingDirectory)/wpt_report_$(System.JobPositionInPhase).json --log-wptscreenshot $(Build.ArtifactStagingDirectory)/wpt_screenshot_$(System.JobPositionInPhase).txt --browser-version "$SAFARI_VERSION" safari
+      no_proxy='*' ./wpt run --no-manifest-update --no-restart-on-unexpected --no-fail-on-unexpected --this-chunk=$(System.JobPositionInPhase) --total-chunks=$(System.TotalJobsInPhase) --chunk-type hash --log-wptreport $(Build.ArtifactStagingDirectory)/wpt_report_$(System.JobPositionInPhase).json --log-wptscreenshot $(Build.ArtifactStagingDirectory)/wpt_screenshot_$(System.JobPositionInPhase).txt --log-tbpl - --log-tbpl-level info --browser-version "$SAFARI_VERSION" safari
     displayName: 'Run tests'
   - task: PublishBuildArtifacts@1
     displayName: 'Publish results'
@@ -324,7 +324,7 @@ jobs:
   - template: tools/ci/azure/install_safari.yml
   - template: tools/ci/azure/update_hosts.yml
   - template: tools/ci/azure/update_manifest.yml
-  - script: no_proxy='*' ./wpt run --no-manifest-update --no-restart-on-unexpected --no-fail-on-unexpected --this-chunk=$(System.JobPositionInPhase) --total-chunks=$(System.TotalJobsInPhase) --chunk-type hash --log-wptreport $(Build.ArtifactStagingDirectory)/wpt_report_$(System.JobPositionInPhase).json --log-wptscreenshot $(Build.ArtifactStagingDirectory)/wpt_screenshot_$(System.JobPositionInPhase).txt --channel preview safari
+  - script: no_proxy='*' ./wpt run --no-manifest-update --no-restart-on-unexpected --no-fail-on-unexpected --this-chunk=$(System.JobPositionInPhase) --total-chunks=$(System.TotalJobsInPhase) --chunk-type hash --log-wptreport $(Build.ArtifactStagingDirectory)/wpt_report_$(System.JobPositionInPhase).json --log-wptscreenshot $(Build.ArtifactStagingDirectory)/wpt_screenshot_$(System.JobPositionInPhase).txt --log-tbpl - --log-tbpl-level info --channel preview safari
     displayName: 'Run tests'
   - task: PublishBuildArtifacts@1
     displayName: 'Publish results'

tests/wpt/web-platform-tests/IndexedDB/idbfactory_open2.htm

@@ -6,12 +6,13 @@
 <script src=support.js></script>
 
 <script>
-    var open_rq = createdb(async_test(), 'database_name', 13);
+    var database_name = document.location + '-database_name';
+    var open_rq = createdb(async_test(), database_name, 13);
 
     open_rq.onupgradeneeded = function(e) {};
     open_rq.onsuccess = function(e) {
         var db = e.target.result;
-        assert_equals(db.name, 'database_name', 'db.name');
+        assert_equals(db.name, database_name, 'db.name');
         assert_equals(db.version, 13, 'db.version');
         this.done();
     }

tests/wpt/web-platform-tests/IndexedDB/idbfactory_open4.htm

@@ -6,7 +6,7 @@
 <script src=support.js></script>
 
 <script>
-    var open_rq = createdb(async_test(), 'database_name');
+    var open_rq = createdb(async_test(), document.location + '-database_name');
 
     open_rq.onupgradeneeded = function(e) {
         assert_equals(e.target.result.version, 1, "db.version");

tests/wpt/web-platform-tests/IndexedDB/idbfactory_open5.htm

@@ -6,7 +6,7 @@
 <script src=support.js></script>
 
 <script>
-    var open_rq = createdb(async_test(), 'database_name');
+    var open_rq = createdb(async_test(), document.location + '-database_name');
 
     open_rq.onupgradeneeded = function() {};
     open_rq.onsuccess = function(e) {

tests/wpt/web-platform-tests/content-security-policy/generic/generic-0_2.html

@@ -7,12 +7,19 @@
     <script src='/resources/testharnessreport.js'></script>
     <script nonce='abc'>
       var t_spv = async_test("Should fire violation events for every failed violation");
-      window.addEventListener("securitypolicyviolation", t_spv.step_func_done(function(e) {
+      window.addEventListener(
-          assert_equals(e.violatedDirective, "script-src");
+        "securitypolicyviolation", t_spv.unreached_func("securitypolicyviolation should not be emitted"));
-      }));      
+
+      window.addEventListener("load", function() {
+        t_spv.done();
+      });
     </script>
     <script src='positiveTest.js'></script>
-    <script nonce='abc'>t_spv.done();</script>
+    <script nonce='abc'>
+      test(function() {
+        assert_true(window.cspPositiveTest);
+      }, "Allows scripts from the same host.");
+    </script>
 </head>
 <body>
     <h1>'self' keyword positive test</h1>

tests/wpt/web-platform-tests/content-security-policy/generic/generic-0_8.sub.html

@@ -9,17 +9,16 @@
     <script>
       var t = async_test("Test that script does not fire violation event");
       window.addEventListener("securitypolicyviolation", t.unreached_func("Should not have fired a violation event"));
-      
+      window.addEventListener("load", t.step_func(function() {
+        assert_true(window.wildcardHostTestRan);
+        t.done();
+      }));
       var head = document.getElementsByTagName('head')[0];
       var script = document.createElement('script');
       script.type = 'text/javascript';
       script.src = "http://www." + location.hostname + ":" + location.port + "/content-security-policy/generic/wildcardHostTestSuceeds.js";
       head.appendChild(script);
     </script>
-
-    <script>
-        t.done();
-    </script>    
 </head>
 <body>
     <h1>test wildcard host name matching (asterisk as a subdomain of the current domain)</h1>

tests/wpt/web-platform-tests/content-security-policy/generic/generic-0_8_1.sub.html

@@ -8,8 +8,13 @@
     <script src='wildcardHostTestFailure.js'></script>
     <script>
       var t_spv = async_test("Should fire violation events for every failed violation");
-      window.addEventListener("securitypolicyviolation", t_spv.step_func_done(function(e) {
+      var spvEvent;
-          assert_equals(e.violatedDirective, "script-src-elem");
+      window.addEventListener("securitypolicyviolation", t_spv.step_func(function(e) {
+          spvEvent = e;
+      }));
+      addEventListener("load", t_spv.step_func_done(function() {
+          assert_true(!!spvEvent);
+          assert_equals(spvEvent.violatedDirective, "script-src-elem");
       }));
 
       var head = document.getElementsByTagName('head')[0];

tests/wpt/web-platform-tests/content-security-policy/generic/generic-0_9.sub.html

@@ -9,6 +9,9 @@
     <script>
       var t = async_test("Test that script does not fire violation event");
       window.addEventListener("securitypolicyviolation", t.unreached_func("Should not have fired a violation event"));
+      window.addEventListener("load", function() {
+        t.done();
+      });
       
       var head = document.getElementsByTagName('head')[0];
       var script = document.createElement('script');
@@ -16,10 +19,6 @@
       script.src = "http://" + location.hostname + ":{{ports[http][1]}}/content-security-policy/generic/wildcardPortTestSuceeds.js";
       head.appendChild(script);
     </script>
-
-    <script>
-        t.done();
-    </script>  
 </head>
 <body>
     <h1>test wildcard port number matching</h1>

tests/wpt/web-platform-tests/content-security-policy/generic/no-default-src.sub.html

@@ -18,11 +18,24 @@
     <br>
     <img src='data:image/png;base64,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'>
     <script>
-        var allowedScriptRan = true;
+      setup({ explicit_done: true });
+
+      test(function() {
+        assert_true(window.cspPositiveTest);
+      }, "Allows scripts from the same host.");
     </script>
 
     <div id='log'></div>
 
-    <script async defer src='../support/checkReport.sub.js?reportExists=false'></script>
+    <script>
+      var script = document.createElement('script');
+      script.src = '../support/checkReport.sub.js?reportExists=false';
+      script.async = true;
+      script.defer = true;
+      script.addEventListener('load', function() {
+        done();
+      });
+      document.body.appendChild(script);
+    </script>
 </body>
 </html>

tests/wpt/web-platform-tests/content-security-policy/generic/positiveTest.js

@@ -1,6 +1 @@
-onload = function() {
+window.cspPositiveTest = true;
-  test(function() {
-        assert_true(true, 'Script ran.')},
-        "Allows scripts from the same host."
-    );
-}

tests/wpt/web-platform-tests/content-security-policy/meta/sandbox-iframe.html

@@ -0,0 +1,54 @@
+<!DOCTYPE HTML>
+<html>
+
+<head>
+    <meta http-equiv="Content-Security-Policy" content="base-uri {{location[scheme]}}://{{domains[]}}:{{ports[http][0]}}/base/">
+
+    <title>base-uri works correctly inside a sandboxed iframe.</title>
+    <script src='/resources/testharness.js'></script>
+    <script src='/resources/testharnessreport.js'></script>
+</head>
+
+<body>
+    <h1>self is derived correctly inside inside a sandboxed iframe.</h1>
+    <div id='log'></div>
+
+    <script>
+        window.addEventListener('securitypolicyviolation', function(e) {
+            assert_unreached('No CSP violation report should have been fired.');
+        });
+
+        async_test(function(t) {
+            var i = document.createElement('iframe');
+            i.sandbox = 'allow-scripts';
+            i.style.display = 'none';
+            i.srcdoc = `
+              <meta http-equiv="Content-Security-Policy" content="img-src 'self'">
+              <body>
+              <script>
+
+              var img = document.createElement('img');
+              img.src = '../support/fail.png';
+              img.onerror = function() {
+                top.postMessage('FAIL', '*');
+              };
+              img.onload = function() {
+                top.postMessage('PASS', '*');
+              };
+              document.body.appendChild(img);
+              </sc` + `ript></body>`;
+
+            window.addEventListener('message', t.step_func(function(e) {
+              if (e.source === i.contentWindow) {
+                assert_equals(e.data, 'PASS');
+                t.done();
+              }
+            }));
+
+            document.body.appendChild(i);
+        }, 'img-src \'self\' works when specified in a meta tag.');
+   </script>
+
+</body>
+
+</html>

tests/wpt/web-platform-tests/content-security-policy/reporting/report-only-in-meta.sub.html

@@ -34,6 +34,12 @@
       script.defer = true;
       script.src = '../support/checkReport.sub.js?reportExists=false'
       document.body.appendChild(script);
+
+      // Immediately declare a test so that the harness does not infer
+      // completion if the image loads before the script.
+      var checkReportTest = async_test("checkReport tests loaded");
+      script.onload = checkReportTest.step_func_done();
+      script.onerror = checkReportTest.unreached_func();
     });
   </script>
 </body>

tests/wpt/web-platform-tests/content-security-policy/reporting/report-uri-from-child-frame.html

@@ -8,8 +8,6 @@
 </head>
 <body>
     <script nonce="abc">
-      var t1 = async_test("Check that we received a message from the child frame");
-
       window.onmessage = function(e) {
         if (e.data == 'cookie set') {
           var s = document.createElement('script');
@@ -17,8 +15,6 @@
           s.defer = true;
           s.src = '../support/checkReport.sub.js?reportField=violated-directive&reportValue=script-src%20%27self%27%20%27nonce-abc%27&reportCookieName=generate-csp-report';
           document.body.appendChild(s);
-
-          t1.done();
         }
       }
     </script>

tests/wpt/web-platform-tests/content-security-policy/script-src/support/worker-importscripts.js

@@ -1,6 +1,5 @@
 try {
     importScripts("/content-security-policy/support/post-message.js");
-    postMessage("importScripts allowed");
 } catch (e) {
     postMessage("importScripts blocked");
 }

tests/wpt/web-platform-tests/content-security-policy/style-src/inline-style-allowed-while-cloning-objects.sub.html

@@ -8,11 +8,21 @@
     <script src="/resources/testharness.js"></script>
     <script src="/resources/testharnessreport.js"></script>
     <script>
+        setup({ explicit_done: true });
+
         var t = async_test("Test that violation report event was fired");
         window.addEventListener("securitypolicyviolation", t.step_func_done(function(e) {
             assert_equals(e.violatedDirective, "style-src");
         }));
         window.onload = function() {
+            try {
+                runTests();
+            } finally {
+                done();
+            }
+        };
+
+        function runTests() {
             window.nodes = document.getElementById('nodes');
             window.node1 = document.getElementById('node1');
             window.node1.style.background = "yellow";
@@ -101,7 +111,7 @@
             test(function() {
                 assert_equals(ops.id, clonedOps.id)
             });
-        };
+        }
 
     </script>
 </head>

tests/wpt/web-platform-tests/cookie-store/serviceworker_cookieStore_subscriptions.js

@@ -9,12 +9,18 @@ self.addEventListener('install', (event) => {
     // The subscribeToChanges calls are not done in parallel on purpose. Having
     // multiple in-flight requests introduces failure modes aside from the
     // cookie change logic that this test aims to cover.
-    await cookieStore.subscribeToChanges([
+    try {
-      { name: 'cookie-name1', matchType: 'equals', url: '/scope/path1' }]);
+      await cookieStore.subscribeToChanges([
-    await cookieStore.subscribeToChanges([
+        { name: 'cookie-name1', matchType: 'equals', url: '/scope/path1' }]);
-      { },  // Test the default values for subscription properties.
+      await cookieStore.subscribeToChanges([
-      { name: 'cookie-prefix', matchType: 'starts-with' },
+        { },  // Test the default values for subscription properties.
-    ]);
+        { name: 'cookie-prefix', matchType: 'starts-with' },
+      ]);
+
+      // If the worker enters the "redundant" state, the UA may terminate it
+      // before all tests have been reported to the client. Stifle errors in
+      // order to avoid this and ensure all tests are consistently reported.
+    } catch (err) {}
   })());
 });
 

tests/wpt/web-platform-tests/cookie-store/serviceworker_cookieStore_subscriptions_basic.js

@@ -6,8 +6,14 @@ importScripts("/resources/testharness.js");
 
 self.addEventListener('install', (event) => {
   event.waitUntil((async () => {
-    await cookieStore.subscribeToChanges([
+    try {
-      { name: 'cookie-name', matchType: 'equals', url: '/scope/path' }]);
+      await cookieStore.subscribeToChanges([
+        { name: 'cookie-name', matchType: 'equals', url: '/scope/path' }]);
+
+      // If the worker enters the "redundant" state, the UA may terminate it
+      // before all tests have been reported to the client. Stifle errors in
+      // order to avoid this and ensure all tests are consistently reported.
+    } catch (err) {}
   })());
 });
 

tests/wpt/web-platform-tests/cookie-store/serviceworker_cookieStore_subscriptions_empty.js

@@ -6,7 +6,13 @@ importScripts("/resources/testharness.js");
 
 self.addEventListener('install', (event) => {
   event.waitUntil((async () => {
-    await cookieStore.subscribeToChanges([]);
+    try {
+      await cookieStore.subscribeToChanges([]);
+
+      // If the worker enters the "redundant" state, the UA may terminate it
+      // before all tests have been reported to the client. Stifle errors in
+      // order to avoid this and ensure all tests are consistently reported.
+    } catch (err) {}
   })());
 });
 

tests/wpt/web-platform-tests/cookie-store/serviceworker_cookieStore_subscriptions_eventhandler_attribute.js

@@ -6,8 +6,14 @@ importScripts("/resources/testharness.js");
 
 self.addEventListener('install', (event) => {
   event.waitUntil((async () => {
-    await cookieStore.subscribeToChanges([
+    try {
-      { name: 'cookie-name', matchType: 'equals', url: '/scope/path' }]);
+      await cookieStore.subscribeToChanges([
+        { name: 'cookie-name', matchType: 'equals', url: '/scope/path' }]);
+
+      // If the worker enters the "redundant" state, the UA may terminate it
+      // before all tests have been reported to the client. Stifle errors in
+      // order to avoid this and ensure all tests are consistently reported.
+    } catch (err) {}
   })());
 });
 

tests/wpt/web-platform-tests/cookie-store/serviceworker_cookieStore_subscriptions_mismatch.js

@@ -6,8 +6,14 @@ importScripts("/resources/testharness.js");
 
 self.addEventListener('install', (event) => {
   event.waitUntil((async () => {
-    await cookieStore.subscribeToChanges([
+    try {
-      { name: 'cookie-name', matchType: 'equals', url: '/scope/path' }]);
+      await cookieStore.subscribeToChanges([
+        { name: 'cookie-name', matchType: 'equals', url: '/scope/path' }]);
+
+      // If the worker enters the "redundant" state, the UA may terminate it
+      // before all tests have been reported to the client. Stifle errors in
+      // order to avoid this and ensure all tests are consistently reported.
+    } catch (err) {}
   })());
 });
 

tests/wpt/web-platform-tests/css/CSS2/floats/floats-saturated-position-crash.html

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<link rel="help" href="https://crbug.com/972904">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<div style="margin-top:-100000000px;">
+  <div style="margin-bottom:-100000000px; padding-top: 1px;"></div>
+  text <!-- "text" is placed at the highest possible location due to saturated margin top values. -->
+  <div style="float: left; width: 60px; height: 20px;"></div>
+  <div style="margin-top: 10px;">
+    <div style="float: left; width: 10px;"></div>
+    <div style="float: left; width: 100px; height: 100px;"></div>
+  </div>
+</div>
+
+<script>
+test(() => { }, 'test passes if it does not crash');
+</script>

tests/wpt/web-platform-tests/css/CSS2/floats/list-item-taller-than-opportunity-001.html

@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<title>List item taller than the first opportunity should not crash</title>
+<link rel="author" title="Koji Ishii" href="mailto:kojii@chromium.org">
+<link rel="help" href="https://www.w3.org/TR/CSS22/visuren.html#float-position" title="9.5.1 Positioning the float: the 'float' property">
+<link rel="help" href="http://crbug.com/967997">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+  <div style="float: left; width: 5px; height: 5px;"></div>
+  <div style="clear: left; float: left; width: 10px; height: 5px;"></div>
+  <ul>
+    <li></li>
+  </ul>
+<script>
+test(() => {}, "Layout should not crash");
+</script>
+</body>

tests/wpt/web-platform-tests/css/css-flexbox/flex-aspect-ratio-img-column-005.html

@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<link rel="author" title="Google LLC" href="http://www.google.com" />
+<link rel="help" href="https://drafts.csswg.org/css-flexbox/#line-sizing" />
+<title>css-flexbox: Tests that we use the aspect ratio, clamped by min/max, to compute the main size</title>
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
+
+<style>
+.flex {
+  display: flex;
+  width: 100px;
+  flex-direction: column;
+}
+
+img {
+  max-width: 100%;
+  width: 500px;
+  min-height: 0;
+}
+</style>
+
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+
+<div class="flex">
+      <img src="support/100x100-green.png">
+</div>
+

tests/wpt/web-platform-tests/css/css-flexbox/flex-minimum-height-flex-items-015.html

@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<title>CSS Flexbox: min-height: auto with nested flexboxes and percentages</title>
+<link rel="author" title="Google LLC" href="https://www.google.com/" />
+<link rel="help" href="https://drafts.csswg.org/css-flexbox/#min-size-auto" />
+<link rel="issue" href="https://bugs.chromium.org/p/chromium/issues/detail?id=973924" />
+<link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
+
+<style>
+.overlapped-green {
+  position: absolute;
+  background-color: green;
+  width: 100px;
+  height: 80px;
+  z-index: 1;
+}
+.outer {
+  display: flex;
+  width: 100px;
+  background: green;
+}
+.inner {
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  min-width: 0;
+}
+.flex-item {
+  height: 100%;
+  margin-bottom: 20px;
+  background: red;
+}
+
+.inside-of-item {
+    height: 100%;
+    width: 100px;
+    min-height: 80px;
+}
+</style>
+
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+
+<div class="overlapped-green"></div>
+<div class="outer">
+    <div class="inner">
+        <a class="flex-item">
+            <div class="inside-of-item"></div>
+        </a>
+    </div>
+</div>

tests/wpt/web-platform-tests/css/css-multicol/composited-under-clip-under-multicol-ref.html

@@ -0,0 +1,2 @@
+<!DOCTYPE html>
+<div style="width: 100px; height: 100px; background: green"></div>

tests/wpt/web-platform-tests/css/css-multicol/composited-under-clip-under-multicol.html

@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/css-multicol">
+<link rel="match" href="composited-under-clip-under-multicol-ref.html">
+<meta name="assert" content="Test that clip under multicol is correctly applied on composited child">
+<style>
+.columns {
+  columns: 2;
+  column-gap: 20px;
+  width: 220px;
+  height: 100px;
+}
+.clip {
+  height: 100px;
+  overflow: hidden;
+}
+.composited {
+  will-change: transform;
+  margin-top: -20px;
+  margin-left: -20px;
+  border: 20px solid red;
+  width: 200px;
+  height: 200px;
+  background: green;
+}
+</style>
+<div class="columns">
+  <div class="clip">
+    <div class="composited"></div>
+  </div>
+  <div class="clip"></div>
+</div>

tests/wpt/web-platform-tests/css/css-position/position-absolute-crash-chrome-009.html

@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://crbug.com/974760">
+<meta name="assert" content="fixed children inside inline container do not crash">
+<style>
+#container {
+  position: relative;
+  overflow: auto;
+  width: 200px;
+  height: 200px;
+}
+#inline-fixed-container {
+  filter:url("");
+}
+#fixed-container {
+  position: fixed;
+}
+#target {
+  position: fixed;
+}
+</style>
+<div id="container">
+  <span id="inline-fixed-container">
+    <div id="fixed-container">
+      <div id="target"></div>
+    </div>
+  </span>
+</div>
+<script>
+test(() => {
+  document.body.offsetTop;
+  document.querySelector("#target").appendChild(
+    document.createTextNode("foo"));
+  document.body.offsetTop;
+}, 'this test passes if it does not crash');
+</script>

tests/wpt/web-platform-tests/css/css-sizing/min-max-content-orthogonal-flow-crash-001.html

@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<title>CSS Test: Check computing min-/max-content does not cause crash</title>
+<link rel="help" href="https://crbug.com/976859">
+<link rel="help" href="https://drafts.csswg.org/css-sizing-3/#sizing-values">
+<link rel="author" title="Koji Ishii" href="mailto:kojii@chromium.org">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+body {
+  width: fit-content;
+}
+#target {
+  display: block;
+  writing-mode: vertical-lr;
+  columns: 2;
+}
+.after #target {
+  float: left;
+}
+</style>
+<body>
+  <div id="target"></div>
+<script>
+test(() => {
+  const body = document.body;
+  body.offsetTop;
+  body.classList.add("after");
+});
+</script>
+</body>

tests/wpt/web-platform-tests/css/css-ui/appearance-parsing.html

@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Parsing of `appearance`</title>
+  <link rel="help" href="https://drafts.csswg.org/css-ui-4/#appearance-switching">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<script>
+test(function() {
+  var input = document.createElement('input');
+  input.setAttribute('style', 'appearance: none;');
+
+  assert_equals(input.style.getPropertyValue('appearance'), 'none');
+}, 'parsing via attribute change steps of CSS declaration block\'s owner node');
+
+test(function() {
+  var input = document.createElement('input');
+  input.style.cssText = 'appearance: none;';
+
+  assert_equals(input.style.getPropertyValue('appearance'), 'none');
+}, 'parsing via modification of cssText');
+
+test(function(t) {
+  var style = document.createElement('style');
+  style.appendChild(
+    document.createTextNode('#foo { appearance: none; }')
+  );
+  document.body.appendChild(style);
+  t.add_cleanup(function() {
+    document.body.removeChild(style);
+  });
+
+  assert_equals(style.sheet.cssRules.length, 1);
+  assert_equals(
+    style.sheet.cssRules[0].style.getPropertyValue('appearance'),
+    'none'
+  );
+}, 'parsing via creation of CSS declaration block');
+</script>
+</body>

tests/wpt/web-platform-tests/css/css-ui/appearance-property.html

@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Property references to `appearance`</title>
+  <link rel="help" href="https://drafts.csswg.org/css-ui-4/#appearance-switching">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<script>
+function create(initialValue) {
+  var style = document.createElement('input').style;
+
+  style.setProperty('appearance', initialValue);
+
+  return style;
+}
+
+test(function() {
+  var style = create('');
+
+  style.setProperty('appearance', 'none');
+
+  assert_equals(style.appearance, 'none');
+}, 'setProperty');
+
+test(function() {
+  var style = create('none');
+
+  style.removeProperty('appearance');
+
+  assert_equals(style.appearance, '');
+}, 'removeProperty');
+
+test(function() {
+  var style = create('');
+
+  style['appearance'] = 'none';
+
+  assert_equals(style.appearance, 'none');
+}, 'property assignment');
+
+test(function() {
+  var style = create('none');
+
+  assert_equals(style.getPropertyValue('appearance'), 'none');
+}, 'getPropertyValue');
+
+test(function() {
+  var style = create('none');
+
+  assert_equals(style['appearance'], 'none');
+}, 'property access');
+</script>
+</body>

tests/wpt/web-platform-tests/css/css-ui/appearance-serialization.html

@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Serialization of `appearance`</title>
+  <link rel="help" href="https://drafts.csswg.org/css-ui-4/#appearance-switching">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<script>
+test(function() {
+  var input = document.createElement('input');
+  input.style.setProperty('appearance', 'none');
+
+  assert_equals(input.style.cssText, 'appearance: none;');
+}, 'serialization via CSSStyleDeclaration');
+
+test(function(t) {
+  var style = document.createElement('style');
+  document.body.appendChild(style);
+  t.add_cleanup(function() {
+    document.body.removeChild(style);
+  });
+  style.sheet.insertRule('#foo {}', 0);
+  style.sheet.cssRules[0].style.setProperty('appearance', 'none');
+
+  assert_equals(
+    style.sheet.cssRules[0].cssText, '#foo { appearance: none; }'
+  );
+}, 'serialization via CSSStyleRule');
+
+test(function(t) {
+  var style = document.createElement('style');
+  document.body.appendChild(style);
+  t.add_cleanup(function() {
+    document.body.removeChild(style);
+  });
+  style.sheet.insertRule('@media print { #foo {} }', 0);
+  style.sheet.cssRules[0].cssRules[0].style.setProperty('appearance', 'none');
+
+  assert_equals(
+    style.sheet.cssRules[0].cssText,
+    '@media print {\n  #foo { appearance: none; }\n}'
+  );
+}, 'serialization via CSSMediaRule');
+</script>
+</body>

tests/wpt/web-platform-tests/css/css-ui/webkit-appearance-parsing.html

@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Parsing of `-webkit-appearance`</title>
+  <link rel="help" href="https://drafts.csswg.org/css-ui-4/#appearance-switching">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<script>
+test(function() {
+  var input = document.createElement('input');
+  input.setAttribute('style', '-webkit-appearance: none;');
+
+  assert_equals(input.style.getPropertyValue('appearance'), 'none');
+}, 'parsing via attribute change steps of CSS declaration block\'s owner node');
+
+test(function() {
+  var input = document.createElement('input');
+  input.style.cssText = '-webkit-appearance: none;';
+
+  assert_equals(input.style.getPropertyValue('appearance'), 'none');
+}, 'parsing via modification of cssText');
+
+test(function(t) {
+  var style = document.createElement('style');
+  style.appendChild(
+    document.createTextNode('#foo { -webkit-appearance: none; }')
+  );
+  document.body.appendChild(style);
+  t.add_cleanup(function() {
+    document.body.removeChild(style);
+  });
+
+  assert_equals(style.sheet.cssRules.length, 1);
+  assert_equals(
+    style.sheet.cssRules[0].style.getPropertyValue('appearance'),
+    'none'
+  );
+}, 'parsing via creation of CSS declaration block');
+</script>
+</body>

tests/wpt/web-platform-tests/css/css-ui/webkit-appearance-property.html

@@ -0,0 +1,128 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Property references to `-webkit-appearance`</title>
+  <link rel="help" href="https://drafts.csswg.org/css-ui-4/#appearance-switching">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<script>
+function create(initialValue) {
+  var style = document.createElement('input').style;
+
+  style.setProperty('appearance', initialValue);
+
+  return style;
+}
+
+test(function() {
+  var style = create('');
+
+  style.setProperty('-webkit-appearance', 'none');
+
+  assert_equals(style.appearance, 'none');
+}, 'setProperty - CSS property name');
+
+test(function() {
+  var style = create('');
+
+  style.setProperty('WebkitAppearance', 'none');
+
+  assert_equals(style.appearance, '');
+}, 'setProperty - camel-cased property name (ignored)');
+
+test(function() {
+  var style = create('');
+
+  style.setProperty('webkitAppearance', 'none');
+
+  assert_equals(style.appearance, '');
+}, 'setProperty - webkit-cased property name (ignored)');
+
+test(function() {
+  var style = create('none');
+
+  style.removeProperty('-webkit-appearance');
+
+  assert_equals(style.appearance, '');
+}, 'removeProperty - CSS property name');
+
+test(function() {
+  var style = create('none');
+
+  style.removeProperty('WebkitAppearance');
+
+  assert_equals(style.appearance, 'none');
+}, 'removeProperty - camel-cased property name (ignored)');
+
+test(function() {
+  var style = create('none');
+
+  style.removeProperty('webkitAppearance');
+
+  assert_equals(style.appearance, 'none');
+}, 'removeProperty - webkit-cased property name (ignored)');
+
+test(function() {
+  var style = create('');
+
+  style['-webkit-appearance'] = 'none';
+
+  assert_equals(style.appearance, 'none');
+}, 'property assignment - CSS property name');
+
+test(function() {
+  var style = create('');
+
+  style['WebkitAppearance'] = 'none';
+
+  assert_equals(style.appearance, 'none');
+}, 'property assignment - camel-cased property name');
+
+test(function() {
+  var style = create('');
+
+  style['webkitAppearance'] = 'none';
+
+  assert_equals(style.appearance, 'none');
+}, 'property assignment - webkit-cased property name');
+
+test(function() {
+  var style = create('none');
+
+  assert_equals(style.getPropertyValue('-webkit-appearance'), 'none');
+}, 'getPropertyValue - CSS property name');
+
+test(function() {
+  var style = create('none');
+
+  assert_equals(style.getPropertyValue('WebkitAppearance'), '');
+}, 'getPropertyValue - camel-cased property name (ignored)');
+
+test(function() {
+  var style = create('none');
+
+  assert_equals(style.getPropertyValue('webkitAppearance'), '');
+}, 'getPropertyValue - webkit-cased property name (ignored)');
+
+test(function() {
+  var style = create('none');
+
+  assert_equals(style['-webkit-appearance'], 'none');
+}, 'property access - CSS property name');
+
+test(function() {
+  var style = create('none');
+
+  assert_equals(style['WebkitAppearance'], 'none');
+}, 'property access - camel-cased property name');
+
+test(function() {
+  var style = create('none');
+
+  assert_equals(style['webkitAppearance'], 'none');
+}, 'property access - webkit-cased property name');
+</script>
+</body>

tests/wpt/web-platform-tests/css/css-ui/webkit-appearance-serialization.html

@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Serialization of `-webkit-appearance`</title>
+  <link rel="help" href="https://drafts.csswg.org/css-ui-4/#appearance-switching">
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+</head>
+<body>
+<script>
+test(function() {
+  var input = document.createElement('input');
+  input.style.setProperty('-webkit-appearance', 'none');
+
+  assert_equals(input.style.cssText, 'appearance: none;');
+}, 'serialization via CSSStyleDeclaration');
+
+test(function(t) {
+  var style = document.createElement('style');
+  document.body.appendChild(style);
+  t.add_cleanup(function() {
+    document.body.removeChild(style);
+  });
+  style.sheet.insertRule('#foo {}', 0);
+  style.sheet.cssRules[0].style.setProperty('-webkit-appearance', 'none');
+
+  assert_equals(
+    style.sheet.cssRules[0].cssText, '#foo { appearance: none; }'
+  );
+}, 'serialization via CSSStyleRule');
+
+test(function(t) {
+  var style = document.createElement('style');
+  document.body.appendChild(style);
+  t.add_cleanup(function() {
+    document.body.removeChild(style);
+  });
+  style.sheet.insertRule('@media print { #foo {} }', 0);
+  style.sheet.cssRules[0].cssRules[0].style.setProperty('-webkit-appearance', 'none');
+
+  assert_equals(
+    style.sheet.cssRules[0].cssText,
+    '@media print {\n  #foo { appearance: none; }\n}'
+  );
+}, 'serialization via CSSMediaRule');
+</script>
+</body>

tests/wpt/web-platform-tests/css/css-variables/variable-reference-visited-ref.html

@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<title>Verify that colors with var() references apply in visited link context</title>
+<link rel="help" href="https://drafts.csswg.org/css-variables/#using-variables">
+<style>
+    div {
+        min-height: 10px;
+        margin-bottom: 10px;
+    }
+
+    .color { color: green; }
+    .background_color { background-color: green; }
+    .border { border: medium solid green; }
+    .outline { outline: medium solid green; }
+    .text_decoration { text-decoration: solid underline green; }
+    .column_rule { columns: 2; column-rule: medium solid green; }
+    .stroke { stroke: green; fill: white; }
+    .fill { fill: green; }
+</style>
+<a href="">
+    <div class="color">Text should be green</div>
+    <div class="background_color"></div>
+    <div class="border"></div>
+    <div class="border"></div>
+    <div class="border"></div>
+    <div class="border"></div>
+    <div class="outline"></div>
+    <div class="outline"></div>
+    <div class="text_decoration">Underline should be green</div>
+    <div class="text_decoration">Underline should be green</div>
+    <div class="column_rule"><div style="height: 20px"></div></div>
+    <div class="column_rule"><div style="height: 20px"></div></div>
+    <svg width="20" height="50">
+        <rect class="stroke" x="5" y="5" width="10" height="10" />
+        <rect class="fill" x="5" y="20" width="10" height="10" />
+    </svg>
+</a>

tests/wpt/web-platform-tests/css/css-variables/variable-reference-visited.html

@@ -0,0 +1,93 @@
+<!DOCTYPE html>
+<title>Verify that colors with var() references apply in visited link context</title>
+<link rel="help" href="https://drafts.csswg.org/css-variables/#using-variables">
+<link rel="match" href="variable-reference-visited-ref.html">
+<style>
+    :root { --color: green; }
+
+    div {
+        min-height: 10px;
+        margin-bottom: 10px;
+    }
+
+    .color {
+        color: var(--color);
+    }
+    .background_color {
+        background-color: var(--color);
+    }
+    .border_color_longhand{
+        border-style: solid;
+        border-width: medium;
+        border-left-color: var(--color);
+        border-top-color: var(--color);
+        border-right-color: var(--color);
+        border-bottom-color: var(--color);
+    }
+    .border_shorthand {
+        border: medium solid var(--color);
+    }
+    .border_color_longhand_logical {
+        border-style: solid;
+        border-width: medium;
+        border-inline-start-color: var(--color);
+        border-inline-end-color: var(--color);
+        border-block-start-color: var(--color);
+        border-block-end-color: var(--color);
+    }
+    .border_shorthand_logical {
+        border-inline: medium solid var(--color);
+        border-block: medium solid var(--color);
+    }
+    .outline_color_longhand {
+        outline-color: var(--color);
+        outline-style: solid;
+        outline-width: medium;
+    }
+    .outline_shorthand {
+        outline: medium solid var(--color);
+    }
+    .text_decoration_color_longhand {
+        text-decoration-line: underline;
+        text-decoration-style: solid;
+        text-decoration-color: var(--color);
+    }
+    .text_decoration_shorthand {
+        text-decoration: solid underline var(--color);
+    }
+    .column_rule_color_longhand {
+        columns: 2;
+        column-rule-width: medium;
+        column-rule-style: solid;
+        column-rule-color: var(--color);
+    }
+    .column_rule_shorthand {
+        columns: 2;
+        column-rule: medium solid var(--color);
+    }
+    .stroke {
+        stroke: var(--color);
+        fill: white;
+    }
+    .fill {
+        fill: var(--color);
+    }
+</style>
+<a href="">
+    <div class="color">Text should be green</div>
+    <div class="background_color"></div>
+    <div class="border_color_longhand"></div>
+    <div class="border_shorthand"></div>
+    <div class="border_color_longhand_logical"></div>
+    <div class="border_shorthand_logical"></div>
+    <div class="outline_color_longhand"></div>
+    <div class="outline_shorthand"></div>
+    <div class="text_decoration_color_longhand">Underline should be green</div>
+    <div class="text_decoration_shorthand">Underline should be green</div>
+    <div class="column_rule_color_longhand"><div style="height: 20px"></div></div>
+    <div class="column_rule_shorthand"><div style="height: 20px"></div></div>
+    <svg width="20" height="50">
+        <rect class="stroke" x="5" y="5" width="10" height="10" />
+        <rect class="fill" x="5" y="20" width="10" height="10" />
+    </svg>
+</a>

tests/wpt/web-platform-tests/css/filter-effects/backdrop-filter-plus-mask-ref.html

@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>backdrop-filter: Correctly apply masks/clips to backdrop-filter content</title>
+<link rel="author" title="Mason Freed" href="mailto:masonfreed@chromium.org">
+
+
+
+<p>Expected: A black circle.</p>
+
+<div></div>
+
+<style>
+div {
+  position: absolute;
+  top: 100px;
+  left: 50px;
+  width: 200px;
+  height: 200px;
+  background: black;
+  border-radius: 100px;
+}
+</style>

tests/wpt/web-platform-tests/css/filter-effects/backdrop-filter-plus-mask.html

@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>backdrop-filter: Correctly apply masks/clips to backdrop-filter content</title>
+<link rel="author" title="Mason Freed" href="mailto:masonfreed@chromium.org">
+<link rel="help" href="https://drafts.fxtf.org/filter-effects-2/#BackdropFilterProperty">
+<link rel="match"  href="backdrop-filter-plus-mask-ref.html">
+
+<p>Expected: A black circle.</p>
+
+<div></div>
+
+<style>
+div {
+  position: absolute;
+  top: 100px;
+  left: 50px;
+  width: 200px;
+  height: 200px;
+  backdrop-filter: invert(1);
+  clip-path: circle(100px at center);
+}
+</style>

tests/wpt/web-platform-tests/custom-elements/attribute-changed-callback.html

@@ -90,6 +90,23 @@ test(function () {
     assert_attribute_log_entry(logEntries.last(), {name: 'r', oldValue: '100', newValue: null, namespace: 'http://www.w3.org/2000/svg'});
 }, 'setAttributeNode and removeAttributeNS must enqueue and invoke attributeChangedCallback for an SVG attribute');
 
+test(function () {
+    const instance = document.createElement(customElement.name);
+    assert_array_equals(customElement.takeLog().types(), ['constructed']);
+
+    instance.toggleAttribute('title', true);
+    assert_equals(instance.hasAttribute('title'), true);
+    var logEntries = customElement.takeLog();
+    assert_array_equals(logEntries.types(), ['attributeChanged']);
+    assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: null, newValue: '', namespace: null});
+
+    instance.toggleAttribute('title');
+    assert_equals(instance.hasAttribute('title'), false);
+    var logEntries = customElement.takeLog();
+    assert_array_equals(logEntries.types(), ['attributeChanged']);
+    assert_attribute_log_entry(logEntries.last(), {name: 'title', oldValue: '', newValue: null, namespace: null});
+}, 'toggleAttribute must enqueue and invoke attributeChangedCallback');
+
 test(function () {
     const callsToOld = [];
     const callsToNew = [];

tests/wpt/web-platform-tests/custom-elements/reaction-timing.html

@@ -47,6 +47,31 @@ test(function () {
 
 }, 'setAttribute and removeAttribute must enqueue and invoke attributeChangedCallback');
 
+test(function () {
+    var instance = document.createElement('my-custom-element');
+    var anotherInstance = document.createElement('my-custom-element');
+
+    var callbackOrder = [];
+    instance.handler = function () {
+        callbackOrder.push([this, 'begin']);
+        anotherInstance.toggleAttribute('data-title');
+        callbackOrder.push([this, 'end']);
+    }
+    anotherInstance.handler = function () {
+        callbackOrder.push([this, 'begin']);
+        callbackOrder.push([this, 'end']);
+    }
+
+    instance.toggleAttribute('title');
+    assert_equals(callbackOrder.length, 4);
+
+    assert_array_equals(callbackOrder[0], [instance, 'begin']);
+    assert_array_equals(callbackOrder[1], [anotherInstance, 'begin']);
+    assert_array_equals(callbackOrder[2], [anotherInstance, 'end']);
+    assert_array_equals(callbackOrder[3], [instance, 'end']);
+
+}, 'toggleAttribute must enqueue and invoke attributeChangedCallback');
+
 test(function () {
     var shouldCloneAnotherInstance = false;
     var anotherInstanceClone;

tests/wpt/web-platform-tests/custom-elements/reactions/Element.html

@@ -35,6 +35,15 @@ testAttributeRemover(function (element, name) {
     element.removeAttributeNS(null, name);
 }, 'removeAttributeNS on Element');
 
+testAttributeRemover(function (element, name, value) {
+  if (element.hasAttribute(name))
+    element.toggleAttribute(name);
+}, 'toggleAttribute (only removes) on Element');
+
+testAttributeRemover(function (element, name, value) {
+    element.toggleAttribute(name, false);
+}, 'toggleAttribute (force false) on Element');
+
 testAttributeAdder(function (element, name, value) {
     var attr = document.createAttribute(name);
     attr.value = value;

tests/wpt/web-platform-tests/docs/.gitignore

@@ -1 +1,4 @@
 _build/
+
+# This directory is created to store symbolic links to additional input
+tools/

tests/wpt/web-platform-tests/docs/Makefile

@@ -2,7 +2,7 @@
 #
 
 # You can set these variables from the command line.
-SPHINXOPTS    =
+SPHINXOPTS    = -W -n
 SPHINXBUILD   = sphinx-build
 SOURCEDIR     = .
 BUILDDIR      = _build
@@ -13,7 +13,11 @@ help:
 
 .PHONY: help Makefile
 
+tools/wptserve:
+	mkdir -p $(shell dirname $@)
+	ln -s ../../tools/wptserve $@
+
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
-%: Makefile
+%: Makefile tools/wptserve
-	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

tests/wpt/web-platform-tests/docs/README.md

@@ -1,4 +1,4 @@
-# WPT documentation
+# Project documentation tooling
 
 The documentation for the web-platform-tests project is built using [the Sphinx
 documentation generator](http://www.sphinx-doc.org). [The GitHub Actions

tests/wpt/web-platform-tests/docs/admin/index.md

@@ -3,6 +3,21 @@
 This section documents all the information necessary to administer the
 infrastructure which makes the project possible.
 
+## Tooling
+
+```eval_rst
+.. toctree::
+   :titlesonly:
+
+   ../README
+   ../tools/wptserve/docs/index.rst
+
+.. toctree::
+   :hidden:
+
+   ../tools/wptserve/README
+```
+
 ## Secrets
 
 Some aspects of the infrastructure are only accessible to administrators.

tests/wpt/web-platform-tests/docs/appendix/github-intro.md

@@ -42,9 +42,10 @@ If you are a first-time GitHub user, read on for more details of the workflow.
 
 ## Fork the test repository
 
-Now that you have Git set up, you will need to fork the test repository. This
+Now that you have Git set up, you will need to "fork" the test repository. Your
-will enable you to [submit](#submit) your tests using a pull request (more on this
+fork will be a completely independent version of the repository, hosted on
-[below](#submit)).
+GitHub.com. This will enable you to [submit](#submit) your tests using a pull
+request (more on this [below](#submit)).
 
 1.  In the browser, go to [web-platform-tests on GitHub][main-repo].
 
@@ -61,22 +62,26 @@ will enable you to [submit](#submit) your tests using a pull request (more on th
 
 If your [fork](#fork) was successful, the next step is to clone (download a copy of the files).
 
-### Clone the test repo
+### Clone the test repository
-At the command prompt, cd into the directory where you want to keep the tests.
 
-        $ git clone https://github.com/username/wpt.git
+Open a command prompt in the directory where you want to keep the tests. Then
+execute the following command:
 
-_This will download the tests into a directory named for the repo:_ `wpt/`.
+    $ git clone https://github.com/username/wpt.git
 
-* You should now have a full copy of the test repository on your local
+This will download the tests into a directory named for the repository: `wpt/`.
-  machine. Feel free to browse the directories on your hard drive. You can also
+
-  browse them on [github.com][github-w3c] and see the full history of contributions
+You should now have a full copy of the test repository on your local
-  there.
+machine. Feel free to browse the directories on your hard drive. You can also
+[browse them on github.com][main-repo] and see the full history of
+contributions there.
 
 ## Configure Remote / Upstream
-Synchronizing your forked repository with the W3C repository will enable you to
+
-keep your forked local copy up-to-date with the latest commits in the W3C
+Your forked repository is completely independent of the canonical repository,
-repository.
+which is commonly referred to as the "upstream" repository. Synchronizing your
+forked repository with the upstream repository will keep your forked local copy
+up-to-date with the latest commits.
 
 1.  On the command line, navigate to to the directory where your forked copy of
     the repository is located.
@@ -127,8 +132,7 @@ At the command line:
 This will create a branch named `topic` and immediately
 switch this to be your active working branch.
 
-_The branch name should describe specifically what you are testing.
+The branch name should describe specifically what you are testing. For example:
-For Example:_
 
     $ git checkout -b flexbox-flex-direction-prop
 
@@ -139,13 +143,13 @@ You're ready to start writing tests! Come back to this page you're ready to
 ## Commit
 
 Before you submit your tests for review and contribution to the main test
-repo, you'll need to first commit them locally, where you now have your own
+repository, you'll need to first commit them locally, where you now have your
-personal version control system with git. In fact, as you are writing your
+own personal version control system with git. In fact, as you are writing your
 tests, you may want to save versions of your work as you go before you submit
 them to be reviewed and merged.
 
-1.  When you're ready to save a version of your work, go to the command
+1.  When you're ready to save a version of your work, open a command
-    prompt and cd to the directory where your files are.
+    prompt and change to the directory where your files are.
 
 2.  First, ask git what new or modified files you have:
 
@@ -163,17 +167,16 @@ them to be reviewed and merged.
         $ git add [directory_of_files]
 
 4.  Run `git status` again to see what you have on the 'Changes to be
-    committed' list. These files are now 'staged'.
+    committed' list. These files are now 'staged'. Alternatively, you can run
+    `git diff --staged` to see a visual representation of the changes to be
+    committed.
 
-5.  Alternatively, you can run `git diff --staged`, which will show you the
+5.  Once you've added everything, you can commit and add a message to this
-    diff of things to be committed.
-
-6.  Once you've added everything, you can commit and add a message to this
     set of changes:
 
         $ git commit -m "Tests for indexed getters in the HTMLExampleInterface"
 
-7.  Repeat these steps as many times as you'd like before you submit.
+6.  Repeat these steps as many times as you'd like before you submit.
 
 ## Verify
 
@@ -181,10 +184,8 @@ The Web Platform Test project has an automated tool
 to verify that coding conventions have been followed,
 and to catch a number of common mistakes.
 
-You can and should run this tool locally.
+We recommend running this tool locally. That will help you discover and fix
-It will be run on your submissions anyway,
+issues that would make it hard for us to accept your contribution.
-and any failure will be grounds for rejection,
-so you might as well fix them first.
 
 1. On the command line, navigate to to the directory where your clone
 of the repository is located.
@@ -201,21 +202,21 @@ If you're here now looking for more instructions, that means you've written
 some awesome tests and are ready to submit them. Congratulations and welcome
 back!
 
-1.  The first thing you do before submitting them to the W3C repo is to push
+1.  The first thing you do before submitting them to the web-platform-tests
-them back up to the server:
+    repository is to push them back up to your fork:
 
         $ git push origin topic
 
-    _Note: Here,_ `origin` _refers to remote repo from which you cloned
+    _Note: Here,_ `origin` _refers to remote repository from which you cloned
     (downloaded) the files after you forked, referred to as
     web-platform-tests.git in the previous example;_
     `topic` _refers to the name of your local branch that
-    you want to push_.
+    you want to share_.
 
 2.  Now you can send a message that you have changes or additions you'd like
     to be reviewed and merged into the main (original) test repository. You do
-    this by using a pull request. In a browser, open the GitHub page for your
+    this by creating a pull request. In a browser, open the GitHub page for
-    forked repository: **https://github.com/username/wpt**.
+    your forked repository: **https://github.com/username/wpt**.
 
 3. Now create the pull request.  There are several ways to create a PR in the
 GitHub UI.  Below is one method and others can be found on
@@ -223,17 +224,16 @@ GitHub UI.  Below is one method and others can be found on
 
     1. Click the ![new pull request](../assets/pullrequestbtn.png) button.
 
-    2.  On the left, you should see the base repo is the
+    2.  On the left, you should see the base repository is the
         web-platform-tests/wpt. On the right, you should see your fork of that
-        repo. In the branch menu of your forked repo, switch to `topic`
+        repository. In the branch menu of your forked repository, switch to `topic`
 
-        **Note:** If you see _'There isn't anything to compare'_,
+        If you see "There isn't anything to compare", make sure your fork and
-        make sure your fork and your `topic`
+        your `topic` branch is selected on the right side.
-        branch is selected on the right side.
 
     3. Select the ![create pull request](../assets/createpr.png) button at the top.
 
-    4. Scroll down and review the diff
+    4. Scroll down and review the summary of changes.
 
     5. Scroll back up and in the Title field, enter a brief description for
        your submission.
@@ -251,12 +251,11 @@ accepted, delete your branch (see '[When Pull Request is Accepted](#cleanup)').
 
 That's it! Your pull request will go into a queue and will be reviewed soon.
 
-## Modify
+## Refine
 
 Once you submit your pull request, a reviewer will check your proposed changes
-for correctness and style. It is likely that this process will lead to some
+for correctness and style. They may ask you to modify your code. When you are
-comments asking for modifications to your code. When you are ready to make the
+ready to make the changes, follow these steps:
-changes, follow these steps:
 
 1.  Check out the branch corresponding to your changes e.g. if your branch was
     called `topic`
@@ -280,11 +279,11 @@ platform.
 
 ## Cleanup
 Once your pull request has been accepted, you will be notified in the GitHub
-UI and you may get an email. At this point, your changes have been merged
+user interface, and you may get an email. At this point, your changes have been merged
 into the main test repository. You do not need to take any further action
 on the test but you should delete your branch. This can easily be done in
-the GitHub UI by navigating to the pull requests and clicking the
+the GitHub user interface by navigating to the pull request and clicking the
-'Delete Branch' button.
+"Delete Branch" button.
 
 ![pull request accepted delete branch](/assets/praccepteddelete.png)
 
@@ -391,7 +390,6 @@ you may also discard your connection to their repo:
 [git]: https://git-scm.com/downloads
 [git-book]: https://git-scm.com/book
 [github]: https://github.com/
-[github-w3c]: https://github.com/w3c
 [github-fork-docs]: https://help.github.com/articles/fork-a-repo
 [github-createpr]: https://help.github.com/articles/creating-a-pull-request
 [help]: https://help.github.com/

tests/wpt/web-platform-tests/docs/appendix/test-templates.md

@@ -11,7 +11,12 @@ delimit text to be replaced and `#` represents a digit.
 
 ### Test
 
-``` html
+<!--
+  Syntax highlighting cannot be enabled for the following template because it
+  contains invalid CSS.
+-->
+
+```
 <!DOCTYPE html>
 <meta charset="utf-8">
 <title>${1:Test title}</title>
@@ -28,7 +33,12 @@ Filename: `{test-topic}-###.html`
 
 ### Reference:
 
-``` html
+<!--
+  Syntax highlighting cannot be enabled for the following template because it
+  contains invalid CSS.
+-->
+
+```
 <!DOCTYPE html>
 <meta charset="utf-8">
 <title>${1:Reference title}</title>

tests/wpt/web-platform-tests/docs/conf.py

@@ -58,6 +58,11 @@ source_suffix = '.rst'
 # The master toctree document.
 master_doc = 'index'
 
+# These values are used in the documentation of wptserve but are not recognized
+# by Sphinx.
+# https://stackoverflow.com/questions/51824453/how-to-document-parameter-of-type-function-in-sphinx
+nitpick_ignore = [('py:class', 'Callable'), ('py:obj', 'None')]
+
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #
@@ -71,10 +76,7 @@ language = None
 exclude_patterns = [
     '_build',
     'Thumbs.db',
-    '.DS_Store',
+    '.DS_Store'
-    'tools/.tox',
-    'tools/third_party',
-    '_venv'
 ]
 
 # Enable inline reStructured Text within Markdown-formatted files

tests/wpt/web-platform-tests/docs/introduction.md

@@ -76,7 +76,7 @@ expectations:
   expected. They get their name from the JavaScript harness that's used to
   execute them.
 
-* [wdspec]() tests are written in Python and test [the WebDriver browser
+* [wdspec][] tests are written in Python and test [the WebDriver browser
   automation protocol](https://w3c.github.io/webdriver/)
 
 * [Manual tests][manual] rely on a human to run them and determine their

tests/wpt/web-platform-tests/docs/make.bat

@@ -25,6 +25,10 @@ if errorlevel 9009 (
 	exit /b 1
 )
 
+if not exist tools\ ( mkdir tools )
+
+if not exist tools\wptserve\ ( mklink /d tools\wptserve ..\..\tools\wptserve )
+
 %SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS%
 goto end
 

tests/wpt/web-platform-tests/docs/running-tests/from-local-system.md

@@ -48,6 +48,16 @@ python wpt make-hosts-file | Out-File %SystemRoot%\System32\drivers\etc\hosts -E
 If you are behind a proxy, you also need to make sure the domains above are
 excluded from your proxy lookups.
 
+[The Ahem font](../writing-tests/ahem) is used to test precise rendering
+behavior. [Download the font][download-ahem] and install it using the
+appropriate steps for your platform:
+
+- On Windows, right-click the downloaded file in File Explorer/Windows Explorer
+  (depending on Windows version) and select "Install" from the menu.
+- On macOS, open the downloaded file in Font Book (the default application for
+  font files) and then click install.
+- On Linux, copy the file to `~/.local/share/fonts` and then run `fc-cache`.
+
 ### Windows Notes
 
 Generally Windows Subsystem for Linux will provide the smoothest user
@@ -115,6 +125,13 @@ customising the test run:
 [A complete listing of the command-line arguments is available
 here](command-line-arguments).
 
+```eval_rst
+.. toctree::
+   :hidden:
+
+   command-line-arguments
+```
+
 Additional browser-specific documentation:
 
 ```eval_rst
@@ -124,3 +141,5 @@ Additional browser-specific documentation:
   chrome_android
   safari
 ```
+
+[download-ahem]: https://github.com/web-platform-tests/wpt/raw/master/fonts/Ahem.ttf

tests/wpt/web-platform-tests/docs/writing-tests/ahem.md

@@ -2,7 +2,9 @@
 
 A font called [Ahem][ahem-readme] has been developed which consists of
 some very well defined glyphs of precise sizes and shapes; it is
-especially useful for testing font and text properties.
+especially useful for testing font and text properties. Installation
+instructions are available in [Running Tests from the Local
+System](../running-tests/from-local-system).
 
 The font's em-square is exactly square. Its ascent and descent
 combined is exactly the size of the em square; this means that the
@@ -73,20 +75,4 @@ div {
 }
 ```
 
-## Installing Ahem
-
-After [downloading][download-ahem] the font, installation instructions
-vary between platforms:
-
-On Windows, right-click the downloaded file in File Explorer/Windows
-Explorer (depending on Windows version) and select "Install" from the
-menu.
-
-On macOS, open the downloaded file in Font Book (the default
-application for font files) and then click install.
-
-On Linux, copy the file to `~/.local/share/fonts` and then run
-`fc-cache`.
-
 [ahem-readme]: https://www.w3.org/Style/CSS/Test/Fonts/Ahem/README
-[download-ahem]: https://github.com/web-platform-tests/wpt/raw/master/fonts/Ahem.ttf

tests/wpt/web-platform-tests/docs/writing-tests/css-metadata.md

@@ -51,36 +51,15 @@ href="https://www.w3.org/TR/CSS21/colors.html#background-properties" />
   <th>Token</th>
   <th>Description</th>
 </tr>
-<tr>
-  <td>animated</td>
-  <td>Test is animated in final state. (Cannot be verified using
-    reftests/screenshots.)</td>
-</tr>
 <tr>
   <td>asis</td>
   <td>The test has particular markup formatting requirements and
     cannot be re-serialized.</td>
 </tr>
-<tr>
-  <td>font</td>
-  <td>Requires a specific font to be installed at the OS level. (A link to the
-      font to be installed must be provided; this is not needed if only web
-      fonts are used.)</td>
-</tr>
-<tr>
-  <td>history</td>
-  <td>User agent session history is required. Testing :visited is a
-    good example where this may be used.</td>
-</tr>
 <tr>
   <td>HTMLonly</td>
   <td>Test case is only valid for HTML</td>
 </tr>
-<tr>
-  <td>interact</td>
-  <td>Requires human interaction (such as for testing scrolling
-    behavior)</td>
-</tr>
 <tr>
   <td>invalid</td>
   <td>Tests handling of invalid CSS. Note: This case contains CSS
@@ -109,6 +88,38 @@ href="https://www.w3.org/TR/CSS21/colors.html#background-properties" />
   <td>Behavior tested is RECOMMENDED, but not REQUIRED. <a
     href="https://www.ietf.org/rfc/rfc2119.txt">[RFC2119]</a></td>
 </tr>
+</table>
+
+The following flags are **deprecated** and should not be declared by new tests.
+Tests which satisfy the described criteria should simply be designated as
+"manual" using [the `-manual` file name flag][file-name-flags].
+
+<table>
+<tr>
+  <th>Token</th>
+  <th>Description</th>
+</tr>
+<tr>
+  <td>animated</td>
+  <td>Test is animated in final state. (Cannot be verified using
+    reftests/screenshots.)</td>
+</tr>
+<tr>
+  <td>font</td>
+  <td>Requires a specific font to be installed at the OS level. (A link to the
+      font to be installed must be provided; this is not needed if only web
+      fonts are used.)</td>
+</tr>
+<tr>
+  <td>history</td>
+  <td>User agent session history is required. Testing :visited is a
+    good example where this may be used.</td>
+</tr>
+<tr>
+  <td>interact</td>
+  <td>Requires human interaction (such as for testing scrolling
+    behavior)</td>
+</tr>
 <tr>
   <td>speech</td>
   <td>Device supports audio output. Text-to-speech (TTS) engine
@@ -130,7 +141,7 @@ Example 1 (one token applies):
 Example 2 (multiple tokens apply):
 
 ``` html
-<meta name="flags" content="ahem image scroll" />
+<meta name="flags" content="asis HTMLonly may" />
 ```
 
 Example 3 (no tokens apply):
@@ -178,3 +189,5 @@ Examples of good test assertions:
 * "This test checks that 'text-indent' affects only the first line
   of a block container if that line is also the first formatted line
   of an element."
+
+[file-name-flags]: {{ site.baseurl }}{% link _writing-tests/file-names.md %}

tests/wpt/web-platform-tests/docs/writing-tests/python-handlers/index.md

@@ -16,7 +16,7 @@ The wptserver implements a number of Python APIs for controlling traffic.
 .. toctree::
    :maxdepth: 1
 
-   request
+   /tools/wptserve/docs/request
-   response
+   /tools/wptserve/docs/response
-   stash
+   /tools/wptserve/docs/stash
 ```

tests/wpt/web-platform-tests/docs/writing-tests/python-handlers/request.md

@@ -1,3 +0,0 @@
-```eval_rst
-.. include:: ../../../tools/wptserve/docs/request.rst
-```

tests/wpt/web-platform-tests/docs/writing-tests/python-handlers/response.md

@@ -1,3 +0,0 @@
-```eval_rst
-.. include:: ../../../tools/wptserve/docs/response.rst
-```

tests/wpt/web-platform-tests/docs/writing-tests/python-handlers/stash.md

@@ -1,3 +0,0 @@
-```eval_rst
-.. include:: ../../../tools/wptserve/docs/stash.rst
-```

tests/wpt/web-platform-tests/element-timing/css-generated-text.html

@@ -0,0 +1,38 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Element Timing: observe generated CSS text</title>
+<style>
+p::before {
+  content: "Generated text prefix";
+}
+body {
+  margin: 20px;
+}
+</style>
+<body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/element-timing-helpers.js"></script>
+<p elementtiming='my_text' id='text_id'></p>
+<script>
+  async_test(function (t) {
+    const beforeRender = performance.now();
+    if (!window.PerformanceElementTiming) {
+      assert_unreached("PerformanceElementTiming is not implemented");
+    }
+    const observer = new PerformanceObserver(
+      t.step_func_done(function(entryList) {
+        assert_equals(entryList.getEntries().length, 1);
+        const entry = entryList.getEntries()[0];
+        checkTextElement(entry, 'my_text', 'text_id', beforeRender, document.getElementById('text_id'));
+        assert_equals(entry.intersectionRect.left, 20, 'left should be 20.');
+        assert_equals(entry.intersectionRect.top, 20, 'top should be 20.');
+        // Try a lower bound of height=10, width=80 for the generated text.
+        assert_greater_than_equal(entry.intersectionRect.right, 100);
+        assert_greater_than_equal(entry.intersectionRect.bottom, 30);
+      })
+    );
+    observer.observe({type: 'element', buffered: true});
+  }, 'Generated text content is observable.');
+</script>
+</body>

tests/wpt/web-platform-tests/element-timing/observe-large-image.html

@@ -1,50 +0,0 @@
-<!DOCTYPE HTML>
-<meta charset=utf-8>
-<title>Element Timing: observe large elements</title>
-<body>
-<style>
-body {
-  margin: 0;
-}
-</style>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script src="resources/element-timing-helpers.js"></script>
-<script>
-  let beforeRender;
-  let img;
-  async_test(function (t) {
-    if (!window.PerformanceElementTiming) {
-      assert_unreached("PerformanceElementTiming is not implemented");
-    }
-    const observer = new PerformanceObserver(
-      t.step_func_done(function(entryList) {
-        assert_equals(entryList.getEntries().length, 1);
-        const entry = entryList.getEntries()[0];
-        const index = window.location.href.lastIndexOf('/');
-        const pathname = window.location.href.substring(0, index) +
-            '/resources/square20.jpg';
-        checkElement(entry, pathname, '', 'large_one', beforeRender, img);
-        // Assume viewport hasn't changed, so the element occupies all of it.
-        checkRect(entry,
-          [0, document.documentElement.clientWidth, 0, document.documentElement.clientHeight]);
-        checkNaturalSize(entry, 20, 20);
-      })
-    );
-    observer.observe({entryTypes: ['element']});
-    // We add the image during onload to be sure that the observer is registered
-    // in time for it to observe the element timing.
-    window.onload = () => {
-      // Add an image setting width and height equal to viewport.
-      img = document.createElement('img');
-      img.src = 'resources/square20.jpg';
-      img.width = document.documentElement.clientWidth;
-      img.height = document.documentElement.clientHeight;
-      img.setAttribute('id', 'large_one');
-      document.body.appendChild(img);
-      beforeRender = performance.now();
-    };
-  }, 'Large img element is observable.');
-</script>
-
-</body>

tests/wpt/web-platform-tests/element-timing/observe-shadow-image.html

@@ -11,8 +11,6 @@ body {
 <script src="resources/element-timing-helpers.js"></script>
 <div id='target'></div>
 <script>
-  let beforeRender;
-  let img;
   async_test(function (t) {
     if (!window.PerformanceElementTiming) {
       assert_unreached("PerformanceElementTiming is not implemented");
@@ -27,13 +25,12 @@ body {
     // in time for it to observe the element timing.
     window.onload = () => {
       // Add image of width equal to 100 and height equal to 100.
-      img = document.createElement('img');
+      const img = document.createElement('img');
       img.src = 'resources/square100.png';
       img.setAttribute('elementtiming', 'my_image');
       img.setAttribute('id', 'my_id');
-      const shadowRoot = document.getElementById('target').attachShadow({mode: 'closed'});
+      const shadowRoot = document.getElementById('target').attachShadow({mode: 'open'});
       shadowRoot.appendChild(img);
-      beforeRender = performance.now();
       t.step_timeout(() => {
         // Assume entry was not dispatched, so test passes.
         t.done();

tests/wpt/web-platform-tests/element-timing/observe-shadow-text.html

@@ -0,0 +1,39 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Element Timing: do not observe text in shadow tree</title>
+<style>
+body {
+  margin: 0;
+}
+</style>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/element-timing-helpers.js"></script>
+<div id='target'></div>
+<script>
+  async_test(function (t) {
+    if (!window.PerformanceElementTiming) {
+      assert_unreached("PerformanceElementTiming is not implemented");
+    }
+    const observer = new PerformanceObserver(
+      t.step_func_done(function(entryList) {
+        assert_unreached('Should not observe text elements in shadow trees!');
+      })
+    );
+    observer.observe({entryTypes: ['element']});
+    // We add the text during onload to be sure that the observer is registered
+    // in time for it to observe the element timing.
+    window.onload = () => {
+      // Add text of width equal to 100 and height equal to 100.
+      const text = document.createElement('p');
+      text.innerHTML = 'Text';
+      text.setAttribute('elementtiming', 'my_text');
+      const shadowRoot = document.getElementById('target').attachShadow({mode: 'open'});
+      shadowRoot.appendChild(text);
+      t.step_timeout(() => {
+        // Assume entry was not dispatched, so test passes.
+        t.done();
+      }, 500);
+    };
+  }, 'Text in shadow tree with elementtiming attribute is not observable.');
+</script>

tests/wpt/web-platform-tests/element-timing/observe-text.html

@@ -25,11 +25,11 @@ p {
         assert_equals(entryList.getEntries().length, 1);
         const entry = entryList.getEntries()[0];
         checkTextElement(entry, 'my_text', 'text_id', beforeRender, paragraph);
-        assert_equals(entry.intersectionRect.left, 20);
+        assert_equals(entry.intersectionRect.left, 20, 'left should be 20.');
         // Text box size will vary from device to device, so try lower bounding height by 12, width by 100.
         assert_greater_than_equal(entry.intersectionRect.right, 120);
 
-        assert_equals(entry.intersectionRect.top, 20);
+        assert_equals(entry.intersectionRect.top, 20, 'top should be 20.');
         assert_greater_than_equal(entry.intersectionRect.bottom, 32);
       })
     );

tests/wpt/web-platform-tests/fetch/sec-metadata/redirect/multiple-redirect-https-downgrade-upgrade.tentative.sub.html

@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<html>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/fetch/sec-metadata/resources/helper.js></script>
+<script src=/fetch/sec-metadata/resources/redirectTestHelper.sub.js></script>
+<script src=/common/security-features/resources/common.js></script>
+<script src=/common/utils.js></script>
+<style>
+  @font-face {
+    font-family: myDowngradeUpgradeFont;
+    src: url(https://{{host}}:{{ports[https][0]}}/fetch/api/resources/redirect.py?location=http%3A%2F%2F{{host}}%3A{{ports[http][0]}}%2Ffetch%2Fapi%2Fresources%2Fredirect.py%3Flocation%3Dhttps%253A%252F%252F{{host}}%253A{{ports[https][0]}}%252Ffetch%252Fsec-metadata%252Fresources%252Frecord-header.py%253Ffile%253Dfont-https-downgrade-upgrade);
+  }
+  #fontTest {
+    font-family: myDowngradeUpgradeFont;
+  }
+</style>
+<body>
+    <div id="fontTest">Downgraded then upgraded font</div>
+    <script>
+  let nonce = token();
+  let expected = { "dest": "", "site": "same-site", "user": "", "mode": "" };
+
+  // Validate various scenarios handle a request that redirects from https => http
+  // correctly and avoids disclosure of any Sec- headers.
+  RunCommonRedirectTests("Https downgrade-upgrade", MultipleRedirectTo, expected);
+
+  document.fonts.ready.then(function () {
+    promise_test(t => {
+      return new Promise((resolve, reject) => {
+        let key = "font-https-downgrade-upgrade";
+        fetch("/fetch/sec-metadata/resources/record-header.py?retrieve=true&file=" + key)
+          .then(response => response.text())
+          .then(text => assert_header_equals(text, expected))
+          .then(_ => resolve())
+          .catch(e => reject(e));
+      });
+    }, "Https downgrade-upgrade font => No headers");
+  });
+
+  promise_test(() =>
+    requestViaImage(secureRedirectURL + encodeURIComponent(insecureRedirectURL + encodeURIComponent("https://{{host}}:{{ports[https][0]}}/common/security-features/subresource/image.py")))
+      .then(result => {
+         headers = result.headers;
+         got = {
+           "dest": headers["sec-fetch-dest"],
+           "mode": headers["sec-fetch-mode"],
+           "site": headers["sec-fetch-site"],
+           "user": headers["sec-fetch-user"]
+         };
+         assert_header_equals(got, {
+           // Note that we're using `undefined` here, as opposed to "" elsewhere because of the way
+           // that `image.py` encodes data.
+           "dest": undefined,
+           "site": "same-site",
+           "user": undefined,
+           "mode": undefined,
+         });
+  }), "Https downgrade-upgrade image => No headers");
+</script>
+<script src="https://{{host}}:{{ports[https][0]}}/fetch/api/resources/redirect.py?location=http%3A%2F%2F{{host}}%3A{{ports[http][0]}}%2Ffetch%2Fapi%2Fresources%2Fredirect.py%3Flocation%3Dhttps%253A%252F%252F{{host}}%253A{{ports[https][0]}}%252Ffetch%252Fsec-metadata%252Fresources%252Fecho-as-script.py"></script>
+<script>
+  test(t => {
+    t.add_cleanup(_ => { header = null; });
+    assert_header_equals(header, expected);
+  }, "Https downgrade-upgrade script => No headers");
+</script>
+</body>

tests/wpt/web-platform-tests/fetch/sec-metadata/redirect/redirect-http-upgrade.tentative.sub.html

@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/fetch/sec-metadata/resources/helper.js></script>
+<script src=/fetch/sec-metadata/resources/redirectTestHelper.sub.js></script>
+<script src=/common/security-features/resources/common.js></script>
+<script src=/common/utils.js></script>
+<style>
+  @font-face {
+    font-family: myUpgradedFont;
+    src: url(http://{{host}}:{{ports[http][0]}}/fetch/api/resources/redirect.py?location=https%3A%2F%2F{{host}}%3A{{ports[https][0]}}%2Ffetch%2Fsec-metadata%2Fresources%2Frecord-header.py%3Ffile%3Dfont-https-upgrade);
+  }
+  #fontTest {
+    font-family: myUpgradedFont;
+  }
+</style>
+<body>
+    <div id="fontTest">Upgraded font</div>
+    <script>
+  let nonce = token();
+  let expected = { "dest": "", "site": "same-site", "user": "", "mode": "" };
+
+  // Validate various scenarios handle a request that redirects from http => https correctly and add the proper Sec- headers.
+  RunCommonRedirectTests("Http upgrade", upgradeRedirectTo, expected);
+
+  document.fonts.ready.then(function () {
+    promise_test(t => {
+      return new Promise((resolve, reject) => {
+        let key = "font-https-upgrade";
+        fetch("/fetch/sec-metadata/resources/record-header.py?retrieve=true&file=" + key)
+          .then(response => response.text())
+          .then(text => assert_header_equals(text, expected))
+          .then(_ => resolve())
+          .catch(e => reject(e));
+      });
+    }, "Http upgrade font => No headers");
+  });
+
+  promise_test(() =>
+    requestViaImage(insecureRedirectURL + encodeURIComponent("https://{{host}}:{{ports[https][0]}}/common/security-features/subresource/image.py"))
+      .then(result => {
+         headers = result.headers;
+         got = {
+           "dest": headers["sec-fetch-dest"],
+           "mode": headers["sec-fetch-mode"],
+           "site": headers["sec-fetch-site"],
+           "user": headers["sec-fetch-user"]
+         };
+         assert_header_equals(got, {
+           // Note that we're using `undefined` here, as opposed to "" elsewhere because of the way
+           // that `image.py` encodes data.
+           "dest": undefined,
+           "site": "same-site",
+           "user": undefined,
+           "mode": undefined,
+         });
+  }), "Http upgrade image => No headers");
+</script>
+<script src="http://{{host}}:{{ports[http][0]}}/fetch/api/resources/redirect.py?location=https%3A%2F%2F{{host}}%3A{{ports[https][0]}}%2Ffetch%2Fsec-metadata%2Fresources%2Fecho-as-script.py"></script>
+<script>
+  test(t => {
+    t.add_cleanup(_ => { header = null; });
+    assert_header_equals(header, expected);
+  }, "Http upgrade script => No headers");
+</script>
+</body>

tests/wpt/web-platform-tests/fetch/sec-metadata/redirect/redirect-https-downgrade.tentative.sub.html

@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<html>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/fetch/sec-metadata/resources/helper.js></script>
+<script src=/fetch/sec-metadata/resources/redirectTestHelper.sub.js></script>
+<script src=/common/security-features/resources/common.js></script>
+<script src=/common/utils.js></script>
+<style>
+  @font-face {
+    font-family: myDowngradedFont;
+    src: url(https://{{host}}:{{ports[https][0]}}/fetch/api/resources/redirect.py?location=http%3A%2F%2F{{host}}%3A{{ports[http][0]}}%2Ffetch%2Fsec-metadata%2Fresources%2Frecord-header.py%3Ffile%3Dfont-https-downgrade);
+  }
+  #fontTest {
+    font-family: myDowngradedFont;
+  }
+</style>
+<body>
+  <div id="fontTest">Downgraded font</div>
+  <script>
+  let nonce = token();
+  let expected = { "dest": "", "site": "", "user": "", "mode": "" };
+
+  // Validate various scenarios handle a request that redirects from https => http correctly and avoids disclosure of any Sec- headers.
+  RunCommonRedirectTests("Https downgrade", downgradeRedirectTo, expected);
+
+  document.fonts.ready.then(function () {
+    promise_test(t => {
+      return new Promise((resolve, reject) => {
+        let key = "font-https-downgrade";
+        fetch("/fetch/sec-metadata/resources/record-header.py?retrieve=true&file=" + key)
+          .then(response => response.text())
+          .then(text => assert_header_equals(text, expected))
+          .then(_ => resolve())
+          .catch(e => reject(e));
+      });
+    }, "Https downgrade font => No headers");
+  });
+
+  promise_test(() =>
+    requestViaImage(secureRedirectURL + encodeURIComponent("http://{{host}}:{{ports[http][0]}}/common/security-features/subresource/image.py"))
+      .then(result => {
+         headers = result.headers;
+         got = {
+           "dest": headers["sec-fetch-dest"],
+           "mode": headers["sec-fetch-mode"],
+           "site": headers["sec-fetch-site"],
+           "user": headers["sec-fetch-user"]
+         };
+         assert_header_equals(got, {
+           // Note that we're using `undefined` here, as opposed to "" elsewhere because of the way
+           // that `image.py` encodes data.
+           "dest": undefined,
+           "site": undefined,
+           "user": undefined,
+           "mode": undefined,
+         });
+  }), "Https downgrade image => No headers");
+</script>
+
+<script src="https://{{host}}:{{ports[https][0]}}/fetch/api/resources/redirect.py?location=http%3A%2F%2F{{host}}%3A{{ports[http][0]}}%2Ffetch%2Fsec-metadata%2Fresources%2Fecho-as-script.py"></script>
+<script>
+  test(t => {
+    t.add_cleanup(_ => { header = null; });
+    assert_header_equals(header, expected);
+  }, "Https downgrade script => No headers");
+</script>
+</body>

tests/wpt/web-platform-tests/fetch/sec-metadata/resources/redirectTestHelper.sub.js

@@ -0,0 +1,181 @@
+function createVideoElement() {
+  let el = document.createElement('video');
+  el.src = "/media/movie_5.mp4";
+  el.setAttribute("controls", "");
+  el.setAttribute("crossorigin", "");
+  return el;
+}
+
+function createTrack() {
+  let el = document.createElement("track");
+  el.setAttribute("default", "");
+  el.setAttribute("kind", "captions");
+  el.setAttribute("srclang", "en");
+  return el;
+}
+
+let secureRedirectURL = "https://{{host}}:{{ports[https][0]}}/fetch/api/resources/redirect.py?location=";
+let insecureRedirectURL = "http://{{host}}:{{ports[http][0]}}/fetch/api/resources/redirect.py?location=";
+let secureTestURL = "https://{{host}}:{{ports[https][0]}}/fetch/sec-metadata/";
+let insecureTestURL = "http://{{host}}:{{ports[http][0]}}/fetch/sec-metadata/";
+
+// Helper to craft an URL that will go from HTTPS => HTTP => HTTPS to
+// simulate us downgrading then upgrading again during the same redirect chain.
+function MultipleRedirectTo(partialPath) {
+  let finalURL = insecureRedirectURL + encodeURIComponent(secureTestURL + partialPath);
+  return insecureRedirectURL + encodeURIComponent(finalURL);
+}
+
+// Helper to craft an URL that will go from HTTP => HTTPS to simulate upgrading a
+// given request.
+function upgradeRedirectTo(partialPath) {
+  return insecureRedirectURL + encodeURIComponent(secureTestURL + partialPath);
+}
+
+// Helper to craft an URL that will go from HTTPS => HTTP to simulate downgrading a
+// given request.
+function downgradeRedirectTo(partialPath) {
+  return secureRedirectURL + encodeURIComponent(insecureTestURL + partialPath);
+}
+
+// Helper to run common redirect test cases that don't require special setup on
+// the test page itself.
+function RunCommonRedirectTests(testNamePrefix, urlHelperMethod, expectedResults) {
+  async_test(t => {
+    let i = document.createElement('iframe');
+    i.src = urlHelperMethod("resources/post-to-owner.py");
+    window.addEventListener('message', t.step_func(e => {
+      if (e.source != i.contentWindow) {
+        return;
+      }
+
+      assert_header_equals(e.data, expectedResults);
+      t.done();
+    }));
+
+    document.body.appendChild(i);
+  }, testNamePrefix + " iframe => No headers");
+
+  async_test(t => {
+    let testWindow = window.open(urlHelperMethod("resources/post-to-owner.py"));
+    t.add_cleanup(_ => testWindow.close());
+    window.addEventListener('message', t.step_func(e => {
+      if (e.source != testWindow) {
+        return;
+      }
+
+      assert_header_equals(e.data, expectedResults);
+      t.done();
+    }));
+  }, testNamePrefix + " top level navigation => No headers");
+
+  promise_test(t => {
+    return new Promise((resolve, reject) => {
+      let key = "embed-redirect-redirect" + nonce;
+
+      let e = document.createElement('embed');
+      e.src = urlHelperMethod("resources/record-header.py?file=" + key);
+      e.onload = e => {
+        fetch("/fetch/sec-metadata/resources/record-header.py?retrieve=true&file=" + key)
+          .then(response => response.text())
+          .then(text => assert_header_equals(text, expectedResults))
+          .then(_ => resolve())
+          .catch(e => reject(e));
+        };
+
+      document.body.appendChild(e);
+    });
+  }, testNamePrefix + " embed => No headers");
+
+  promise_test(t => {
+    let key = "fetch-redirect" + nonce;
+    return fetch(urlHelperMethod("resources/echo-as-json.py?" + key))
+      .then(r => r.json())
+      .then(j => {assert_header_equals(j, expectedResults);});
+  }, testNamePrefix + " fetch() api => No headers");
+
+  promise_test(t => {
+    return new Promise((resolve, reject) => {
+      let key = "object-https-redirect" + nonce;
+      let e = document.createElement('object');
+      e.data = urlHelperMethod("resources/record-header.py?file=" + key);
+      e.onload = e => {
+      fetch("/fetch/sec-metadata/resources/record-header.py?retrieve=true&file=" + key)
+        .then(response => response.text())
+        .then(text => assert_header_equals(text, expectedResults))
+        .then(_ => resolve())
+        .catch(e => reject(e));
+      };
+      document.body.appendChild(e);
+    });
+  }, testNamePrefix + " object => No headers");
+
+  if (document.createElement('link').relList.supports('prefetch')) {
+    async_test(t => {
+      let key = "prefetch" + nonce;
+      let e = document.createElement('link');
+      e.rel = "prefetch";
+      e.href = urlHelperMethod("resources/record-header.py?file=" + key) + "&simple=true";
+      e.onload = t.step_func(e => {
+        fetch("/fetch/sec-metadata/resources/record-header.py?retrieve=true&file=" + key)
+          .then(t.step_func(response => response.text()))
+          .then(t.step_func_done(text => assert_header_equals(text, expectedResults)))
+          .catch(t.unreached_func("Fetching and verifying the results should succeed."));
+      });
+      e.onerror = t.unreached_func();
+      document.head.appendChild(e);
+    }, testNamePrefix + " prefetch => No headers");
+  }
+
+  if (document.createElement('link').relList.supports('preload')) {
+    async_test(t => {
+      let key = "preload" + nonce;
+      let e = document.createElement('link');
+      e.rel = "preload";
+      e.href = urlHelperMethod("resources/record-header.py?file=" + key);
+      e.setAttribute("as", "track");
+      e.onload = e.onerror = t.step_func_done(e => {
+        fetch("/fetch/sec-metadata/resources/record-header.py?retrieve=true&file=" + key)
+          .then(t.step_func(response => response.text()))
+          .then(t.step_func(text => assert_header_equals(text, expectedResults)))
+          .then(t.step_func_done(_ => resolve()))
+          .catch(t.unreached_func());
+      });
+      document.head.appendChild(e);
+    }, testNamePrefix + " preload => No headers");
+  }
+
+  promise_test(t => {
+    return new Promise((resolve, reject) => {
+      let key = "style-https-redirect" + nonce;
+      let e = document.createElement('link');
+      e.rel = "stylesheet";
+      e.href = urlHelperMethod("resources/record-header.py?file=" + key);
+      e.onload = e => {
+        fetch("/fetch/sec-metadata/resources/record-header.py?retrieve=true&file=" + key)
+          .then(response => response.text())
+          .then(text => assert_header_equals(text, expectedResults))
+          .then(_ => resolve())
+          .catch(e => reject(e));
+      };
+      document.body.appendChild(e);
+    });
+  }, testNamePrefix + " stylesheet => No headers");
+
+  promise_test(t => {
+    return new Promise((resolve, reject) => {
+      let key = "track-https-redirect" + nonce;
+      let video = createVideoElement();
+      let el = createTrack();
+      el.src = urlHelperMethod("resources/record-header.py?file=" + key);
+      el.onload = t.step_func(_ => {
+        fetch("/fetch/sec-metadata/resources/record-header.py?retrieve=true&file=" + key)
+          .then(response => response.text())
+          .then(text => assert_header_equals(text, expectedResults))
+          .then(_ => resolve());
+      });
+      video.appendChild(el);
+      document.body.appendChild(video);
+    });
+  }, testNamePrefix + " track => No headers");
+}

tests/wpt/web-platform-tests/html/browsers/browsing-the-web/history-traversal/api-availability.html

@@ -0,0 +1,22 @@
+<!doctype html>
+<title>API availability following history traversal</title>
+<meta charset=utf-8>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<p>Test requires popup blocker disabled</p>
+<div id=log></div>
+<script>
+var t = async_test();
+var hasNavigated = false;
+var child;
+t.step(function() {
+  child = window.open("resources/api-availability-1.html");
+  t.add_cleanup(function() {
+    child.close();
+  });
+});
+navigate = t.step_func(function() {
+  hasNavigated = true;
+  child.location = child.location.href.replace("api-availability-1.html", "api-availability-2.html");
+});
+</script>

tests/wpt/web-platform-tests/html/browsers/browsing-the-web/history-traversal/resources/api-availability-1.html

@@ -0,0 +1,31 @@
+<!doctype html>
+<title>API availability following history traversal - 1</title>
+<script>
+var controller = opener;
+var t = controller.t;
+var assert_not_equals = controller.assert_not_equals;
+
+t.step(function() {
+  // If this document is discarded as a result of navigation, then this script
+  // will be executed a second time. The semantics this test intends to verify
+  // cannot be observed under these conditions, the discarding is not itself a
+  // violation. Silently pass the test in that case.
+  if (controller.hasNavigated) {
+    t.done();
+    return;
+  }
+
+  t.step_timeout(function() {
+    assert_not_equals(window.history, null, 'history');
+    assert_not_equals(window.localStorage, null, 'localStorage');
+    assert_not_equals(window.location, null, 'location');
+    assert_not_equals(window.navigator, null, 'navigator');
+    assert_not_equals(window.opener, null, 'opener');
+    assert_not_equals(window.sessionStorage, null, 'sessionStorage');
+
+    t.done();
+  }, 1000);
+
+  controller.navigate();
+});
+</script>

tests/wpt/web-platform-tests/html/browsers/browsing-the-web/history-traversal/resources/api-availability-2.html

@@ -0,0 +1,3 @@
+<!doctype html>
+<title>API availability following history traversal - 2</title>
+<body onload="history.back()"></body>

tests/wpt/web-platform-tests/html/browsers/history/the-location-interface/location_hash.html

@@ -23,6 +23,8 @@
       var frameWin = document.getElementById("srcdoc-iframe").contentWindow;
       assert_equals(frameWin.location.href, "about:srcdoc");
       assert_equals(frameWin.scrollY, 0, "Should not have scrolled yet");
+      frameWin.location.hash = "";
+      assert_equals(frameWin.location.href, "about:srcdoc#", "Setting an empty hash should result in an empty fragment, not no fragment.");
       frameWin.location.hash = "test";
       assert_equals(frameWin.location.href, "about:srcdoc#test");
       assert_true(frameWin.scrollY > frameWin.innerHeight,

tests/wpt/web-platform-tests/html/cross-origin-opener/common.sub.js

@@ -0,0 +1,28 @@
+const SAME_ORIGIN = {origin: get_host_info().HTTP_ORIGIN, name: "SAME_ORIGIN"};
+const SAME_SITE = {origin: get_host_info().HTTP_REMOTE_ORIGIN, name: "SAME_SITE"};
+const CROSS_ORIGIN = {origin: get_host_info().HTTP_NOTSAMESITE_ORIGIN, name: "CROSS_ORIGIN"}
+
+function coop_test(t, host, coop, channelName, hasOpener) {
+  let bc = new BroadcastChannel(channelName);
+  bc.onmessage = t.step_func_done((event) => {
+    let payload = event.data;
+    assert_equals(payload.name, hasOpener ? channelName : "");
+    assert_equals(payload.opener, hasOpener);
+  });
+
+  let w = window.open(`${host.origin}/html/cross-origin-opener/resources/coop_window.py?path=window.sub.html&coop=${escape(coop)}&channel=${channelName}`, channelName);
+
+  // w will be closed by its postback iframe. When out of process,
+  // window.close() does not work.
+  t.add_cleanup(() => w.close());
+}
+
+function run_coop_tests(mainTest, testArray) {
+  for (let test of tests) {
+   async_test(t => {
+    coop_test(t, test[0], test[1],
+              `${mainTest}_to_${test[0].name}_${test[1].replace(/ /g,"-")}`,
+              test[2]);
+  }, `${mainTest} document opening popup to ${test[0].origin} with COOP: "${test[1]}"`);
+ }
+}