2012-10-26 21:04:20 +04:00
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=804970
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-->
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<head>
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<title>Test for dynamic changes to CSS 'vh', 'vw', 'vmin', and 'vmax' units</title>
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2019-04-16 06:50:44 +03:00
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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2012-10-26 21:04:20 +04:00
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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=804970">Mozilla Bug 804970</a>
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<iframe id="iframe" src="viewport_units_iframe.html"></iframe>
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<pre id="test">
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<script type="application/javascript">
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/** Test for CSS vh/vw/vmin/vmax units **/
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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 width(elt)
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{
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return px_to_num(elt.ownerDocument.defaultView.getComputedStyle(elt).width);
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}
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SimpleTest.waitForExplicitFinish();
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function run() {
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var iframe = document.getElementById("iframe");
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var idoc = iframe.contentDocument;
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var vh = idoc.getElementById("vh");
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var vw = idoc.getElementById("vw");
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var vmin = idoc.getElementById("vmin");
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var vmax = idoc.getElementById("vmax");
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iframe.style.width = "100px";
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iframe.style.height = "250px";
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is(width(vh), 250, "vh should be 250px");
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is(width(vw), 100, "vw should be 100px");
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is(width(vmin), 100, "vmin should be 100px");
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is(width(vmax), 250, "vmax should be 250px");
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iframe.style.width = "300px";
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is(width(vh), 250, "vh should be 250px");
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is(width(vw), 300, "vw should be 300px");
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is(width(vmin), 250, "vmin should be 250px");
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is(width(vmax), 300, "vmax should be 300px");
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iframe.style.height = "200px";
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is(width(vh), 200, "vh should be 200px");
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is(width(vw), 300, "vw should be 300px");
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is(width(vmin), 200, "vmin should be 200px");
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is(width(vmax), 300, "vmax should be 300px");
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SimpleTest.finish();
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}
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window.addEventListener("load", run);
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</script>
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</pre>
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</body>
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</html>
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