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Diffstat (limited to '')
-rw-r--r-- | layout/base/tests/test_bug569520.html | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/layout/base/tests/test_bug569520.html b/layout/base/tests/test_bug569520.html new file mode 100644 index 0000000000..50f7d2afc1 --- /dev/null +++ b/layout/base/tests/test_bug569520.html @@ -0,0 +1,67 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=569520 +--> +<head> + <title>Test for Bug 569520</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=569520">Mozilla Bug 569520</a> +<p id="display"></p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script type="application/javascript"> + +/** Test for Bug 569520 **/ +SimpleTest.waitForExplicitFinish(); +SimpleTest.requestFlakyTimeout("untriaged"); + +var start = window.performance.now(); +var firstListenerArg; +var secondListenerArg; +var thirdListenerTime; + +// callback arg is in the same timeline as performance.now() +function thirdListener(t) { + thirdListenerTime = t; + + ok(secondListenerArg >= firstListenerArg, // callback args from consecutive requestAnimationFrame + "Second listener should fire after first listener"); + + ok(thirdListenerTime >= secondListenerArg, + "Third listener should fire after second listener"); + + ok(firstListenerArg >= start, "First listener should fire after start"); + + SimpleTest.finish(); +} + +// callback arg is from requestAnimationFrame and comparable to performance.now() +function secondListener(t) { + secondListenerArg = t; + requestAnimationFrame(thirdListener); +} + +function firstListener(t) { + firstListenerArg = t; + requestAnimationFrame(secondListener); +} + +addLoadEvent(function() { + setTimeout(function() { + requestAnimationFrame(firstListener); + }, 100); + }); + + + + +</script> +</pre> +</body> +</html> |