LayoutTests/fast/hidpi/image-srcset-same-alternative-for-both-attributes.html - WebKit - Git at Google

 <html>
 <head>
 <script>
     window.targetScaleFactor = 1;
 </script>
 <script src="resources/srcset-helper.js"></script>
 <script src="../../resources/js-test-pre.js"></script>
 <script>
     if (window.testRunner) {
         testRunner.dumpAsText();
     }

     addEventListener("load", function() {
         if (internals)
             shouldBeFalse('internals.isPreloaded("resources/green-200-px-square.png")');
         shouldBeTrue('document.getElementById("foo").clientWidth==100');
     }, false);
 </script>
 </head>

 <body id="body">
     <div>This test passes if this img tag below is a blue square when the scale factor is 1. It ensures that when both source attributes has the same input alternative always the one from srcset is choosen</div>
     <img id="foo" src="resources/green-200-px-square.png" srcset="resources/blue-100-px-square.png 1x">
 </body>
 </html>
	<html>
	<head>
	<script>
	window.targetScaleFactor = 1;
	</script>
	<script src="resources/srcset-helper.js"></script>
	<script src="../../resources/js-test-pre.js"></script>
	<script>
	if (window.testRunner) {
	testRunner.dumpAsText();
	}

	addEventListener("load", function() {
	if (internals)
	shouldBeFalse('internals.isPreloaded("resources/green-200-px-square.png")');
	shouldBeTrue('document.getElementById("foo").clientWidth==100');
	}, false);
	</script>
	</head>

	<body id="body">
	<div>This test passes if this img tag below is a blue square when the scale factor is 1. It ensures that when both source attributes has the same input alternative always the one from srcset is choosen</div>
	<img id="foo" src="resources/green-200-px-square.png" srcset="resources/blue-100-px-square.png 1x">
	</body>
	</html>