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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /layout/base/tests/test_bug394057.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/base/tests/test_bug394057.html')
| -rw-r--r-- | layout/base/tests/test_bug394057.html | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/layout/base/tests/test_bug394057.html b/layout/base/tests/test_bug394057.html new file mode 100644 index 0000000000..7cadd40753 --- /dev/null +++ b/layout/base/tests/test_bug394057.html @@ -0,0 +1,88 @@ +<!DOCTYPE HTML> +<html lang="en"> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=394057 +--> +<head> + <title>Test for Bug 394057</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> + <style type="text/css"> + + #display { background: yellow; color: black; font-family: serif; } + + </style> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=394057">Mozilla Bug 394057</a> +<table id="display"><tr><td>MmMmMm...iiiIIIlll---</td></tr></table> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script class="testbody" type="text/javascript"> + +/** Test for Bug 394057 **/ + +SimpleTest.waitForExplicitFinish(); + +var tableElement = document.getElementById("display"); + +var CC = SpecialPowers.Cc; +var CI = SpecialPowers.Ci; + +var fe = + CC["@mozilla.org/gfx/fontenumerator;1"].createInstance(CI.nsIFontEnumerator); +var serifFonts = fe.EnumerateFonts("x-western", "serif"); +var monospaceFonts = fe.EnumerateFonts("x-western", "monospace"); + +function table_width_for_font(font) { + tableElement.style.fontFamily = '"' + font + '"'; + var result = tableElement.offsetWidth; + tableElement.style.fontFamily = ""; + return result; +} + +var serifIdx = 0; +var monospaceIdx = 0; +var monospaceWidth, serifWidth; +monospaceWidth = table_width_for_font(monospaceFonts[monospaceIdx]); +for (serifIdx in serifFonts) { + serifWidth = table_width_for_font(serifFonts[serifIdx]); + if (serifWidth != monospaceWidth) + break; +} +if (serifWidth == monospaceWidth) { + for (monospaceIdx in monospaceFonts) { + monospaceWidth = table_width_for_font(monospaceFonts[monospaceIdx]); + if (serifWidth != monospaceWidth) + break; + } +} + +isnot(serifWidth, monospaceWidth, + "can't find serif and monospace fonts of different width"); + +SpecialPowers.pushPrefEnv({'set': [['font.name.serif.x-western', serifFonts[serifIdx]]]}).then(step2); + +var serifWidthFromPref; +function step2() { + serifWidthFromPref = tableElement.offsetWidth; + SpecialPowers.pushPrefEnv({'set': [['font.name.serif.x-western', monospaceFonts[monospaceIdx]]]}).then(step3); +} +var monospaceWidthFromPref; +function step3() { + monospaceWidthFromPref = tableElement.offsetWidth; + + is(serifWidthFromPref, serifWidth, + "changing font pref should change width of table (serif)"); + is(monospaceWidthFromPref, monospaceWidth, + "changing font pref should change width of table (monospace)"); + SimpleTest.finish(); +} + +</script> +</pre> +</body> +</html> + |