1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/base/tests/test_bug394057.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,88 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html lang="en">
1.6 +<!--
1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=394057
1.8 +-->
1.9 +<head>
1.10 + <title>Test for Bug 394057</title>
1.11 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.12 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
1.13 + <style type="text/css">
1.14 +
1.15 + #display { background: yellow; color: black; font-family: serif; }
1.16 +
1.17 + </style>
1.18 +</head>
1.19 +<body>
1.20 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=394057">Mozilla Bug 394057</a>
1.21 +<table id="display"><tr><td>MmMmMm...iiiIIIlll---</td></tr></table>
1.22 +<div id="content" style="display: none">
1.23 +
1.24 +</div>
1.25 +<pre id="test">
1.26 +<script class="testbody" type="text/javascript">
1.27 +
1.28 +/** Test for Bug 394057 **/
1.29 +
1.30 +SimpleTest.waitForExplicitFinish();
1.31 +
1.32 +var tableElement = document.getElementById("display");
1.33 +
1.34 +var CC = SpecialPowers.Cc;
1.35 +var CI = SpecialPowers.Ci;
1.36 +
1.37 +var fe =
1.38 + CC["@mozilla.org/gfx/fontenumerator;1"].createInstance(CI.nsIFontEnumerator);
1.39 +var serifFonts = fe.EnumerateFonts("x-western", "serif", {});
1.40 +var monospaceFonts = fe.EnumerateFonts("x-western", "monospace", {});
1.41 +
1.42 +function table_width_for_font(font) {
1.43 + tableElement.style.fontFamily = '"' + font + '"';
1.44 + var result = tableElement.offsetWidth;
1.45 + tableElement.style.fontFamily = "";
1.46 + return result;
1.47 +}
1.48 +
1.49 +var serifIdx = 0;
1.50 +var monospaceIdx = 0;
1.51 +var monospaceWidth, serifWidth;
1.52 +monospaceWidth = table_width_for_font(monospaceFonts[monospaceIdx]);
1.53 +for (serifIdx in serifFonts) {
1.54 + serifWidth = table_width_for_font(serifFonts[serifIdx]);
1.55 + if (serifWidth != monospaceWidth)
1.56 + break;
1.57 +}
1.58 +if (serifWidth == monospaceWidth) {
1.59 + for (monospaceIdx in monospaceFonts) {
1.60 + monospaceWidth = table_width_for_font(monospaceFonts[monospaceIdx]);
1.61 + if (serifWidth != monospaceWidth)
1.62 + break;
1.63 + }
1.64 +}
1.65 +
1.66 +isnot(serifWidth, monospaceWidth,
1.67 + "can't find serif and monospace fonts of different width");
1.68 +
1.69 +SpecialPowers.pushPrefEnv({'set': [['font.name.serif.x-western', serifFonts[serifIdx]]]}, step2);
1.70 +
1.71 +var serifWidthFromPref;
1.72 +function step2() {
1.73 + serifWidthFromPref = tableElement.offsetWidth;
1.74 + SpecialPowers.pushPrefEnv({'set': [['font.name.serif.x-western', monospaceFonts[monospaceIdx]]]}, step3);
1.75 +}
1.76 +var monospaceWidthFromPref;
1.77 +function step3() {
1.78 + monospaceWidthFromPref = tableElement.offsetWidth;
1.79 +
1.80 + is(serifWidthFromPref, serifWidth,
1.81 + "changing font pref should change width of table (serif)");
1.82 + is(monospaceWidthFromPref, monospaceWidth,
1.83 + "changing font pref should change width of table (monospace)");
1.84 + SimpleTest.finish();
1.85 +}
1.86 +
1.87 +</script>
1.88 +</pre>
1.89 +</body>
1.90 +</html>
1.91 +
