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Unified Diff: LayoutTests/http/tests/loading/preload-image-srcset-duplicate.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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Index: LayoutTests/http/tests/loading/preload-image-srcset-duplicate.html
diff --git a/LayoutTests/http/tests/loading/preload-image-srcset-duplicate.html b/LayoutTests/http/tests/loading/preload-image-srcset-duplicate.html
new file mode 100644
index 0000000000000000000000000000000000000000..d4399b81862cfba13434df8db26e1006c92619bd
--- /dev/null
+++ b/LayoutTests/http/tests/loading/preload-image-srcset-duplicate.html
@@ -0,0 +1,31 @@
+<html>
+<head>
+<script src="../resources/js-test-pre.js"></script>
+<script>
+ window.targetScaleFactor = 1;
+</script>
+<script src="../resources/srcset-helper.js"></script>
+<script src="http://127.0.0.1:8000/resources/slow-script.pl?delay=1000"></script>
+</head>
+<body>
+<script>
+ shouldBeFalse("internals.isPreloaded('resources/preload-test.jpg');");
+ shouldBeFalse("internals.isPreloaded('resources/preload-test-duplicate.jpg');");
+ shouldBeTrue("internals.isPreloaded('resources/base-image1.png');");
+ shouldBeFalse("internals.isPreloaded('resources/base-image2.png');");
+ shouldBeFalse("internals.isPreloaded('resources/base-image3.png');");
+ shouldBeFalse("internals.isPreloaded('resources/dup-image1.png');");
+ shouldBeFalse("internals.isPreloaded('resources/dup-image2.png');");
+ shouldBeFalse("internals.isPreloaded('resources/dup-image3.png');");
+ shouldBeTrue("internals.isPreloaded('resources/image2.png');");
+</script>
+<div>This test passes if the fallback image (defined in the src attribute) is not preloaded, the 1x version (defined in srcset) is, and none
+ of the duplicate resources is preloaded.</div>
+<div>The second image is here to make sure isPreloaded is working properly</div>
+<img height="100" width="100" src="resources/preload-test.jpg" src="resources/preload-test-duplicate.jpg"
+srcset="resources/base-image1.png 1x, resources/base-image3.png 3x, resources/base-image2.png 2x"
+srcset="resources/dup-image1.png 1x, resources/dup-image3.png 3x, resources/dup-image2.png 2x">
+<img src="resources/image2.png">
+</body>
+</html>
+

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