2008-02-08 11:52:46 -08:00
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<!DOCTYPE HTML>
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<html lang="en">
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=394057
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-->
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<head>
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<title>Test for Bug 394057</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<style type="text/css">
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#display { background: yellow; color: black; font-family: serif; }
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</style>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=394057">Mozilla Bug 394057</a>
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<table id="display"><tr><td>MmMmMm...iiiIIIlll---</td></tr></table>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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/** Test for Bug 394057 **/
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SimpleTest.waitForExplicitFinish();
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var tableElement = document.getElementById("display");
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2013-09-04 09:02:34 -07:00
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var CC = SpecialPowers.Cc;
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var CI = SpecialPowers.Ci;
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2008-02-08 11:52:46 -08:00
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var fe =
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CC["@mozilla.org/gfx/fontenumerator;1"].createInstance(CI.nsIFontEnumerator);
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var serifFonts = fe.EnumerateFonts("x-western", "serif", {});
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var monospaceFonts = fe.EnumerateFonts("x-western", "monospace", {});
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function table_width_for_font(font) {
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tableElement.style.fontFamily = '"' + font + '"';
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var result = tableElement.offsetWidth;
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tableElement.style.fontFamily = "";
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return result;
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}
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var serifIdx = 0;
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var monospaceIdx = 0;
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var monospaceWidth, serifWidth;
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monospaceWidth = table_width_for_font(monospaceFonts[monospaceIdx]);
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for (serifIdx in serifFonts) {
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serifWidth = table_width_for_font(serifFonts[serifIdx]);
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if (serifWidth != monospaceWidth)
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break;
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}
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if (serifWidth == monospaceWidth) {
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for (monospaceIdx in monospaceFonts) {
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monospaceWidth = table_width_for_font(monospaceFonts[monospaceIdx]);
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if (serifWidth != monospaceWidth)
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break;
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}
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}
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isnot(serifWidth, monospaceWidth,
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"can't find serif and monospace fonts of different width");
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2013-09-11 04:52:42 -07:00
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SpecialPowers.pushPrefEnv({'set': [['font.name.serif.x-western', serifFonts[serifIdx]]]}, step2);
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2008-02-08 11:52:46 -08:00
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var serifWidthFromPref;
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function step2() {
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serifWidthFromPref = tableElement.offsetWidth;
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2013-09-11 04:52:42 -07:00
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SpecialPowers.pushPrefEnv({'set': [['font.name.serif.x-western', monospaceFonts[monospaceIdx]]]}, step3);
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2008-02-08 11:52:46 -08:00
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}
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var monospaceWidthFromPref;
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function step3() {
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monospaceWidthFromPref = tableElement.offsetWidth;
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is(serifWidthFromPref, serifWidth,
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"changing font pref should change width of table (serif)");
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is(monospaceWidthFromPref, monospaceWidth,
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"changing font pref should change width of table (monospace)");
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SimpleTest.finish();
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}
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</script>
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</pre>
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</body>
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</html>
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