зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
4.2 KiB
HTML
122 строки
4.2 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=473400
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-->
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<head>
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<title>Test for Bug 473400</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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</head>
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<body onload="run()">
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=473400">Mozilla Bug 473400</a>
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<iframe id="subdoc" src="about:blank"></iframe>
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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="application/javascript; version=1.7">
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/** Test for Bug 473400 **/
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SimpleTest.waitForExplicitFinish();
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function run() {
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var subdoc = document.getElementById("subdoc").contentDocument;
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var subwin = document.getElementById("subdoc").contentWindow;
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var style = subdoc.createElement("style");
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style.setAttribute("type", "text/css");
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subdoc.getElementsByTagName("head")[0].appendChild(style);
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var sheet = style.sheet;
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var iframe_style = document.getElementById("subdoc").style;
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// Create a style rule and an element now based on the given media
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// query "q", and return the computed style that should be passed to
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// query_applies to see if that query currently applies.
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var n = 0;
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function make_query(q) {
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var i = ++n;
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sheet.insertRule("@media " + q + " { #e" + i + " { text-decoration: underline; } }", sheet.cssRules.length);
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var e = subdoc.createElement("div");
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e.id = "e" + i;
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subdoc.body.appendChild(e);
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var cs = subdoc.defaultView.getComputedStyle(e, "");
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cs._originalQueryText = q;
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return cs;
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}
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function query_applies(cs) {
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return cs.getPropertyValue("text-decoration") == "underline";
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}
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function should_apply(cs) {
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ok(query_applies(cs), cs._originalQueryText + " should apply");
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}
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function should_not_apply(cs) {
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ok(!query_applies(cs), cs._originalQueryText + " should not apply");
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}
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var content_div = document.getElementById("content");
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content_div.style.font = "initial";
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var em_size =
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getComputedStyle(content_div, "").fontSize.match(/^(\d+)px$/)[1];
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let width_val = 317; // pick two not-too-round numbers
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let height_val = 228;
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iframe_style.width = width_val + "px";
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iframe_style.height = height_val + "px";
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var wh_queries = [
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make_query("all and (min-width: " +
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(Math.ceil(width_val/em_size) + 1) + "em)"),
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make_query("all and (min-width: " +
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(Math.floor(width_val/em_size) - 1) + "em)"),
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make_query("all and (max-width: " +
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(Math.ceil(width_val/em_size) + 1) + "em)"),
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make_query("all and (max-width: " +
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(Math.floor(width_val/em_size) - 1) + "em)"),
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make_query("all and (min-width: " +
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(Math.ceil(width_val/(em_size*2)) + 1) + "em)"),
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make_query("all and (min-width: " +
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(Math.floor(width_val/(em_size*2)) - 1) + "em)"),
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make_query("all and (max-width: " +
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(Math.ceil(width_val/(em_size*2)) + 1) + "em)"),
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make_query("all and (max-width: " +
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(Math.floor(width_val/(em_size*2)) - 1) + "em)")
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];
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is(wh_queries[0].fontSize, em_size + "px", "text zoom is 1.0");
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should_not_apply(wh_queries[0]);
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should_apply(wh_queries[1]);
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should_apply(wh_queries[2]);
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should_not_apply(wh_queries[3]);
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SpecialPowers.setTextZoom(subwin, 2.0);
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isnot(wh_queries[0].fontSize, em_size + "px", "text zoom is not 1.0");
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should_not_apply(wh_queries[4]);
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should_apply(wh_queries[5]);
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should_apply(wh_queries[6]);
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should_not_apply(wh_queries[7]);
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SpecialPowers.setTextZoom(subwin, 1.0);
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is(wh_queries[0].fontSize, em_size + "px", "text zoom is 1.0");
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is(subwin.innerHeight, 228, "full zoom is 1.0");
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should_not_apply(wh_queries[0]);
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should_apply(wh_queries[1]);
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should_apply(wh_queries[2]);
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should_not_apply(wh_queries[3]);
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SpecialPowers.setFullZoom(subwin, 2.0);
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isnot(subwin.innerHeight, 228, "full zoom is not 1.0");
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should_not_apply(wh_queries[4]);
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should_apply(wh_queries[5]);
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should_apply(wh_queries[6]);
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should_not_apply(wh_queries[7]);
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SpecialPowers.setFullZoom(subwin, 1.0);
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is(subwin.innerHeight, 228, "full zoom is 1.0");
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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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