зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
3.1 KiB
HTML
91 строка
3.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1121643
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-->
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<head>
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<title>Test for Bug 1121643</title>
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<script 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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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1121643">Mozilla Bug 1121643</a>
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<span id="mono" style="font-family: monospace; font-size: 64px;">M</span>
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<span id="sans" style="font-family: sans-serif; font-size: 64px;">M</span>
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<span id="serif" style="font-family: serif; font-size: 64px;">M</span>
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<div id="content" style="display: none">
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</div>
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<script class="testbody" type="application/javascript">
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/** Test for Bug 1121643 **/
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const InspectorUtils = SpecialPowers.InspectorUtils;
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// Given an element id, returns the first font face name encountered.
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let fontUsed = id => {
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let element = document.getElementById(id),
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range = document.createRange();
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range.selectNode(element);
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return InspectorUtils.getUsedFontFaces(range)[0].CSSFamilyName;
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};
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// A map of the default mono, sans and serif fonts, obtained when
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// whitelisting is disabled.
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const fonts = { mono: fontUsed("mono"),
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sans: fontUsed("sans"),
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serif: fontUsed("serif") };
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let hack = 0;
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// Set the font whitelist to contain none, some, or all of the
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// default mono, sans, and serif fonts. Check that the rendering
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// of our three test elements uses only fonts present in the
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// whitelist.
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let testFontWhitelist = async function(useMono, useSans, useSerif) {
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let whitelist = [];
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if (useMono) {
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whitelist.push(fonts.mono);
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}
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if (useSans) {
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whitelist.push(fonts.sans);
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}
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if (useSerif) {
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whitelist.push(fonts.serif);
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}
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await SpecialPowers.pushPrefEnv({"set": [["font.system.whitelist",
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whitelist.join(", ")]]});
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await new Promise(SimpleTest.executeSoon);
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await SpecialPowers.setIntPref("font.fixme.hack", hack++);
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await new Promise(SimpleTest.executeSoon);
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// If whitelist is empty, then whitelisting is considered disabled
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// and all fonts are allowed.
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info("font whitelist: " + JSON.stringify(whitelist));
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let whitelistEmpty = whitelist.length === 0;
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is(useMono || whitelistEmpty, fontUsed("mono") === fonts.mono,
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"Correct mono whitelisting state; got " + fontUsed("mono") + ", requested " + fonts.mono);
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is(useSans || whitelistEmpty, fontUsed("sans") === fonts.sans,
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"Correct sans whitelisting state; got " + fontUsed("sans") + ", requested " + fonts.sans);
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is(useSerif || whitelistEmpty, fontUsed("serif") === fonts.serif,
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"Correct serif whitelisting state; got " + fontUsed("serif") + ", requested " + fonts.serif);
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};
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// Run tests to confirm that only whitelisting fonts are present in a
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// rendered page. Try turning mono, sans, and serif off and on in
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// every combination.
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add_task(async function() {
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for (let useMono of [false, true]) {
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for (let useSans of [false, true]) {
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for (let useSerif of [false, true]) {
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await testFontWhitelist(useMono, useSans, useSerif);
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}
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}
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}
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});
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</script>
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</body>
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</html>
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