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Diffstat (limited to 'layout/style/test/test_bug401046.html')
| -rw-r--r-- | layout/style/test/test_bug401046.html | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/layout/style/test/test_bug401046.html b/layout/style/test/test_bug401046.html new file mode 100644 index 0000000000..e4492a5ca8 --- /dev/null +++ b/layout/style/test/test_bug401046.html @@ -0,0 +1,82 @@ +<!DOCTYPE HTML> +<html lang="en"> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=401046 +--> +<head> + <title>Test for Bug 401046</title> + <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> + <style type="text/css"> + + #display span { margin-bottom: 1em; } + + </style> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=401046">Mozilla Bug 401046</a> +<p id="display" lang="zh-Hans"> + <span id="s0" style="font-size: 0">汉字</span> + <span id="s4" style="font-size: 4px">汉字</span> + <span id="s12" style="font-size: 12px">汉字</span> + <span id="s28" style="font-size: 28px">汉字</span> +</p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script class="testbody" type="text/javascript"> + +/** Test for Bug 401046 **/ + +SimpleTest.waitForExplicitFinish(); + +var elts = [ + document.getElementById("s0"), + document.getElementById("s4"), + document.getElementById("s12"), + document.getElementById("s28") +]; + +function fs(idx) { + // The computed font size actually *doesn't* currently reflect the + // minimum font size preference, but things in em units do. Not sure + // if this is how it ought to be... + return getComputedStyle(elts[idx], "").marginBottom; +} + +SpecialPowers.pushPrefEnv({'clear': [['font.minimum-size.zh-CN']]}, step1); + +function step1() { + is(fs(0), "0px", "at min font size 0, 0px should compute to 0px"); + is(fs(1), "4px", "at min font size 0, 4px should compute to 4px"); + is(fs(2), "12px", "at min font size 0, 12px should compute to 12px"); + is(fs(3), "28px", "at min font size 0, 28px should compute to 28px"); + + SpecialPowers.pushPrefEnv({'set': [['font.minimum-size.zh-CN', 7]]}, step2); +} + +function step2() { + is(fs(0), "0px", "at min font size 7, 0px should compute to 0px"); + is(fs(1), "7px", "at min font size 7, 4px should compute to 7px"); + is(fs(2), "12px", "at min font size 7, 12px should compute to 12px"); + is(fs(3), "28px", "at min font size 7, 28px should compute to 28px"); + + SpecialPowers.pushPrefEnv({'set': [['font.minimum-size.zh-CN', 18]]}, step3); +} + +function step3() { + is(fs(0), "0px", "at min font size 18, 0px should compute to 0px"); + is(fs(1), "18px", "at min font size 18, 4px should compute to 18px"); + is(fs(2), "18px", "at min font size 18, 12px should compute to 18px"); + is(fs(3), "28px", "at min font size 18, 28px should compute to 28px"); + + SpecialPowers.pushPrefEnv({'clear': [['font.minimum-size.zh-CN']]}, SimpleTest.finish); +} + +</script> +</pre> +</body> +</html> + |