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Diffstat (limited to 'gfx/tests/mochitest/test_bug509244.html')
| -rw-r--r-- | gfx/tests/mochitest/test_bug509244.html | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gfx/tests/mochitest/test_bug509244.html b/gfx/tests/mochitest/test_bug509244.html new file mode 100644 index 0000000000..de8753226d --- /dev/null +++ b/gfx/tests/mochitest/test_bug509244.html @@ -0,0 +1,45 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=509244 +--> +<head> + <title>Test for Bug 509244</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=509244">Mozilla Bug 509244</a> +<p id="display">A</p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script type="application/javascript"> + +/** Test for Bug 509244 */ + +function flush() { document.documentElement.offsetHeight; } + +var text = document.getElementById("display"); + +// layout text, caching monospace font +text.style.fontFamily = "monospace"; +flush(); +// relayout text so that monospace font is no longer used (but cached) +text.style.fontFamily = "sans-serif"; +flush(); + +// flush cache +SpecialPowers.Services.obs.notifyObservers(null, "memory-pressure", "heap-minimize"); + +// reuse font that was flushed from cache +text.style.fontFamily = "monospace"; +flush(); + +ok(true, "not crashed"); + +</script> +</pre> +</body> +</html> |