LayoutTests/fast/hidpi/image-srcset-change-dynamically-from-js-2x.html - Issue 23861003: Enable srcset support in HTMLImageElement

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Side by Side Diff: LayoutTests/fast/hidpi/image-srcset-change-dynamically-from-js-2x.html

Issue 23861003: Enable srcset support in HTMLImageElement (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Fixed a flaky test Created 7 years, 3 months ago

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	1 <html>

	2 <head>

	3 <script src="resources/srcset-helper.js"></script>

	4 <script src="../js/resources/js-test-pre.js"></script>

	5 <script>

	6 if (window.testRunner) {

	7 testRunner.dumpAsText();

	8 }

	9

	10 function updateSrc() {

	11 var img = document.getElementById("foo");

	12 // srcset must be set first, otherwise 'src' is loaded as well

	13 img.srcset = "resources/green-200-px-square.png 2x";

	14 img.src = "resources/blue-100-px-square.png"

	15 }

	16

	17 addEventListener("DOMContentLoaded", function() {

	18 updateSrc();

	19 }, false);

	20 addEventListener("load", function() {

	21 if (internals)

	22 shouldBeFalse('internals.isPreloaded("resources/blue-100-px-square.p ng")');

	23 shouldBeTrue('document.getElementById("foo").clientWidth==200');

	24 }, false);

	25 </script>

	26 </head>

	27

	28 <body id="body">

	29 <div>This test passes if this img tag below is a green square when the scale factor is 2.

	30 It ensures that attributes can be changed dynamically from javascript, and that only the correct resource is loaded.</div>

	31 <img id="foo">

	32 </body>

	33 </html>

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