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Add imageSrcset and imageSizes IDL attributes to HTMLLinkElement #14231

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merged 1 commit into from Nov 27, 2018
Merged

Add imageSrcset and imageSizes IDL attributes to HTMLLinkElement #14231

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31 changes: 31 additions & 0 deletions preload/dynamic-adding-preload-imagesrcset.tentative.html
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@@ -0,0 +1,31 @@
<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/preload/resources/preload_helper.js"></script>
<script>
var t = async_test('Makes sure that a dynamically added preload with imagesrcset works');
</script>
<body>
<script>
t.step(function() {
verifyPreloadAndRTSupport();
var link = document.createElement("link");
link.as = "image";
link.rel = "preload";
link.href = "resources/square.png?default";
link.imageSrcset = "resources/square.png?200 200w, resources/square.png?400 400w, resources/square.png?800 800w";
link.imageSizes = "400px";
link.onload = t.step_func(function() {
t.step_timeout(function() {
verifyNumberOfDownloads("resources/square.png?default", 0);
verifyNumberOfDownloads("resources/square.png?200", 0);
verifyNumberOfDownloads("resources/square.png?400", 1);
verifyNumberOfDownloads("resources/square.png?800", 0);
t.done();
}, 0);
});
document.body.appendChild(link);
});
</script>
<script src="resources/dummy.js?pipe=trickle(d5)&dynamic-adding-preload"></script>
</body>