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improve spec compliance of update the image data

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This commit is contained in:
Gregory Terzian 2017-03-31 17:43:45 +08:00
parent f05491166f
commit 71b0c10164
6 changed files with 401 additions and 118 deletions
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16
tests/wpt/web-platform-tests/html/semantics/embedded-content/the-img-element/img.complete.html
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@ -33,16 +33,22 @@
var t = async_test("async src complete test");
t.step(function(){
document.getElementById("imgTestTag3").src = '3.jpg?nocache=' + Math.random();
var loaded = false;
document.getElementById("imgTestTag3").onload = t.step_func_done(function(){
assert_false(loaded);
loaded = true;
assert_true(document.getElementById("imgTestTag3").complete);
var currentSrc = document.getElementById("imgTestTag3").currentSrc
assert_equals(new URL(window.location.origin + "/" + currentSrc).pathname, "/3.jpg");
}, "Only one onload, despite setting the src twice");
document.getElementById("imgTestTag3").src = 'test' + Math.random();
//test if img.complete is set to false if src is changed
assert_false(document.getElementById("imgTestTag3").complete, "src changed, should be set to false")
//change src again, should make only one request as per 'await stable state'
document.getElementById("imgTestTag3").src = '3.jpg?nocache=' + Math.random();
});
document.getElementById("imgTestTag3").onload = t.step_func(function(){
assert_true(document.getElementById("imgTestTag3").complete);
t.done();
});
// https://html.spec.whatwg.org/multipage/multipage/embedded-content-1.html#update-the-image-data
// says to "await a stable state" before fetching so we use a separate <script>