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Unified Diff: LayoutTests/paint/invalidation/animated-gif-offscreen.html

Issue 1026823002: [S.P.] Don't draw frames of animated images that are offscreen (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 9 months ago
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Index: LayoutTests/paint/invalidation/animated-gif-offscreen.html
diff --git a/LayoutTests/paint/invalidation/animated-gif-offscreen.html b/LayoutTests/paint/invalidation/animated-gif-offscreen.html
new file mode 100644
index 0000000000000000000000000000000000000000..46d1a56e87e0b460e70757308dbce34be8ffeba6
--- /dev/null
+++ b/LayoutTests/paint/invalidation/animated-gif-offscreen.html
@@ -0,0 +1,33 @@
+<!doctype HTML>
+<body>
+<div style="height: 2000px; width: 2000px;">
+<img id="targetImage">
+</div>
+<script src="../../fast/repaint/resources/text-based-repaint.js"></script>
+<script>
+window.testIsAsync = true;
+
+// The image should not show a repaint if offscreen if Slimming Paint is on.
+// Otherwise it should, during this 200ms waiting period.
+
+function myfunc() {
+ testRunner.displayAsyncThen(finishRepaintTest);
+}
+
+function targetImageOnload() {
+ window.scrollTo(0, 1000); // Put the image offscreen.
+ testRunner.displayAsyncThen(function() {
+ setTimeout(myfunc, 400); // The initial red frame of the GIF has a 100ms duration
+ });
+}
+
+function repaintTest() {
+ targetImage.onload = targetImageOnload;
+ targetImage.src="../../fast/backgrounds/resources/red-green-animated.gif";
+}
+
+runRepaintTest();
+
+</script>
+
+</script>
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