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This excludes dom/, otherwise the file size is too large for phabricator to handle. This is an autogenerated commit to handle scripts loading mochitest harness files, in the simple case where the script src is on the same line as the tag. This was generated with https://bug1544322.bmoattachments.org/attachment.cgi?id=9058170 using the `--part 2` argument. Differential Revision: https://phabricator.services.mozilla.com/D27456 --HG-- extra : moz-landing-system : lando
81 lines
2.3 KiB
HTML
81 lines
2.3 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=478321
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-->
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<head>
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<title>Test for CSS 'rem' unit</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=478321">Mozilla Bug 478321</a>
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<p id="display"></p>
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<p id="display2"></p>
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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 type="application/javascript">
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/** Test for CSS 'rem' unit **/
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function px_to_num(str)
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{
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return Number(String(str).match(/^([\d.]+)px$/)[1]);
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}
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function fs(elt)
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{
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return px_to_num(getComputedStyle(elt, "").fontSize);
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}
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var html = document.documentElement;
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var body = document.body;
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var p = document.getElementById("display");
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var p2 = document.getElementById("display2");
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html.style.font = "initial";
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var defaultFontSize = fs(html);
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// NOTE: This test assumes that the default font size is an
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// integral number of pixels (which is always the case at present).
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// If that ever becomes false, the calls to "is" may need to be replaced by
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// calls to "isapprox" that allows errors of up to some small fraction
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// of a pixel.
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html.style.fontSize = "3rem";
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is(fs(html), 3 * defaultFontSize,
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"3rem on root should triple root's font size");
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body.style.font = "initial";
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is(fs(body), defaultFontSize,
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"initial should produce initial font size");
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body.style.fontSize = "1em";
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is(fs(body), 3 * defaultFontSize, "1em should inherit from parent");
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body.style.fontSize = "200%";
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is(fs(body), 6 * defaultFontSize, "200% should double parent");
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body.style.fontSize = "2rem";
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is(fs(body), 6 * defaultFontSize, "2rem should double root");
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p.style.font = "inherit";
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is(fs(p), 6 * defaultFontSize, "inherit should inherit from parent");
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p2.style.fontSize = "2rem";
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is(fs(p2), 6 * defaultFontSize, "2rem should double root");
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body.style.font = "initial";
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is(fs(p), defaultFontSize, "inherit should inherit from parent");
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is(fs(p2), 6 * defaultFontSize, "2rem should double root");
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body.style.fontSize = "5em";
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html.style.fontSize = "200%";
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is(fs(p), 10 * defaultFontSize, "inherit should inherit from parent");
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is(fs(p2), 4 * defaultFontSize, "2rem should double root");
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// Make things readable again.
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html.style.fontSize = "1em";
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body.style.fontSize = "1em";
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</script>
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</pre>
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</body>
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</html>
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