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Update web-platform-tests to revision 8119bc10583682676a3db9806c82ed4044e88e13

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This commit is contained in:
WPT Sync Bot 2019-07-09 10:22:34 +00:00
parent 56f1e7cbc5
commit 3c256580fa
189 changed files with 4341 additions and 1030 deletions
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30
tests/wpt/web-platform-tests/layout-instability/buffer-layout-shift.html
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@ -1,6 +1,6 @@
<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Layout Instability: query layout shift value via the performance timeline</title>
<title>Layout Instability entries are not available via the performance timeline</title>
<body>
<style>
#myDiv { position: relative; width: 300px; height: 100px; }
@ -13,19 +13,11 @@
<script>
async_test(function (t) {
const startTime = performance.now();
// Modify the position of the div.
document.getElementById('myDiv').style = "top: 60px";
function testBufferedEntry() {
if (performance.getEntriesByType('layoutShift').length === 0) {
t.step_timeout(testBufferedEntry, 0);
return;
}
new PerformanceObserver(list => {
const endTime = performance.now();
assert_equals(performance.getEntriesByType('layoutShift').length, 1);
assert_equals(performance.getEntries().filter(
entry => entry.entryType === 'layoutShift').length, 1);
const entry = performance.getEntriesByType('layoutShift')[0];
assert_equals(entry.entryType, "layoutShift");
assert_equals(list.getEntries().length, 1);
const entry = list.getEntries()[0];
assert_equals(entry.entryType, "layout-shift");
assert_equals(entry.name, "");
assert_greater_than_equal(entry.startTime, startTime)
assert_less_than_equal(entry.startTime, endTime)
@ -36,10 +28,16 @@
// 300 * (100 + 60) * (60 / maxDimension) / viewport size.
assert_equals(entry.value, 300 * (100 + 60) * (60 / maxDimension) /
(document.documentElement.clientWidth * document.documentElement.clientHeight));
// The entry should not be available via getEntries* methods.
assert_equals(performance.getEntriesByType('layout-shift').length, 0, 'getEntriesByType should have no layout-shift entries');
assert_equals(performance.getEntriesByName('', 'layout-shift').length, 0, 'getEntriesByName should have no layout-shift entries');
assert_equals(performance.getEntries().filter(e => e.entryType === 'layout-shift').length, 0, 'getEntries should have no layout-shift entries');
t.done();
}
t.step(testBufferedEntry);
}, 'Layout shift before onload is buffered into the performance timeline.');
}).observe({type: 'layout-shift'});
// Modify the position of the div.
document.getElementById('myDiv').style = "top: 60px";
}, 'Layout shift before onload is not buffered into the performance timeline.');
</script>
</body>