54 lines
1.5 KiB
HTML
54 lines
1.5 KiB
HTML
<html>
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<head>
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<script>jsTestIsAsync = true;</script>
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<script src="../../resources/js-test-pre.js"></script>
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<script>
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description("Test that animated gif in a frame outside viewport does not trigger repaint.");
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function startTrackingRepaints()
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{
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document.body.offsetTop;
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window.internals.startTrackingRepaints();
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window.scrollTo(0,200);
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testRunner.displayAndTrackRepaints();
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setTimeout(testAfterScroll, 200);
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}
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function testAfterScroll()
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{
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repaintRectsAfterScroll = window.internals.repaintRectsAsText();
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window.internals.stopTrackingRepaints();
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shouldBeEqualToString("repaintRectsAfterScroll", "");
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window.internals.startTrackingRepaints();
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window.scrollTo(0,0);
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testRunner.displayAndTrackRepaints();
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setTimeout(testAfterScrollBack, 200);
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}
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function testAfterScrollBack()
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{
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repaintRectsAfterScrollBack = window.internals.repaintRectsAsText();
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window.internals.stopTrackingRepaints();
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shouldNotBeEqualToString("repaintRectsAfterScrollBack", "");
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finishJSTest();
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}
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function start() {
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if (!window.testRunner || !window.internals)
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return;
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var img = new Image();
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img.onload = startTrackingRepaints;
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img.src = "resources/animated.gif";
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}
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</script>
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</head>
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<body onload="start()">
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<iframe srcdoc="<img src=resources/animated.gif>"></iframe>
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<div style="height:1000px"></div>
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<script src="../../resources/js-test-post.js"></script>
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</html>
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