зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
4.3 KiB
HTML
142 строки
4.3 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=819930
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 819930</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script src="/tests/SimpleTest/WindowSnapshot.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<style>
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@media braille {
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body {
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background-color: rgb(255, 255, 0);
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}
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}
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@media embossed {
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body {
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background-color: rgb(210, 180, 140);
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}
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}
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@media handheld {
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body {
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background-color: rgb(0, 255, 0);
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}
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}
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@media print {
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body {
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background-color: rgb(0, 255, 255);
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}
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}
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@media projection {
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body {
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background-color: rgb(30, 144, 255);
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}
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}
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@media screen {
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body {
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background-color: green;
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}
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}
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@media speech {
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body {
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background-color: rgb(192, 192, 192);
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}
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}
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@media tty {
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body {
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background-color: rgb(255, 192, 203);
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}
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}
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@media tv {
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body {
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background-color: rgb(75, 0, 130);
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}
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}
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</style>
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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=819930">Mozilla Bug 819930</a>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test">
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<script type="application/javascript">
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let tests = [{name: 'braille', value: 'rgb(255, 255, 0)'},
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{name: 'embossed', value: 'rgb(210, 180, 140)'},
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{name: 'handheld', value: 'rgb(0, 255, 0)'},
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{name: 'print', value: 'rgb(0, 255, 255)'},
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{name: 'projection', value: 'rgb(30, 144, 255)'},
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{name: 'speech', value: 'rgb(192, 192, 192)'},
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{name: 'tty', value: 'rgb(255, 192, 203)'},
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{name: 'tv', value: 'rgb(75, 0, 130)'}];
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let originalColor = 'rgb(0, 128, 0)';
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let body = document.body;
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let getColor = function() {
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return window.getComputedStyle(body)
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.getPropertyValue('background-color');
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};
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tests.forEach(function(test) {
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// Emulate the given media
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SpecialPowers.emulateMedium(window, test.name);
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is(getColor(), test.value, 'emulating ' + test.name + ' produced ' +
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'correct rendering');
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// Do the @media screen rules get applied after ending the emulation?
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SpecialPowers.stopEmulatingMedium(window);
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is(getColor(), originalColor, 'Ending ' + test.name +
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' emulation restores style for original medium');
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// CSS media types are case-insensitive; we should be too.
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SpecialPowers.emulateMedium(window, test.name.toUpperCase());
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is(getColor(), test.value,
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test.name + ' emulation is case-insensitive');
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SpecialPowers.stopEmulatingMedium(window);
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});
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// Emulating screen should produce the same rendering as when there is
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// no emulation in effect
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SpecialPowers.emulateMedium(window, 'screen');
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is(getColor(), originalColor,
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'Emulating screen produces original rendering');
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SpecialPowers.stopEmulatingMedium(window);
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// Screen should be case-insensitive too
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SpecialPowers.emulateMedium(window, 'SCREEN');
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is(getColor(), originalColor, 'screen emulation is case-insensitive');
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SpecialPowers.stopEmulatingMedium(window);
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// An invalid parameter shouldn't fail. Given the CSS rules above,
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// an invalid parameter should result in a different rendering from any
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// produced thus far
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try {
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SpecialPowers.emulateMedium(window, 'clay');
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let invalid = getColor();
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tests.push({name: 'screen', value: 'green'});
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tests.forEach(function(test) {
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isnot(invalid, test.value, 'Emulating invalid type differs from ' +
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test.name);
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});
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} catch (e) {
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ok(false, 'Supplying invalid type to emulateMedium shouldn\'t throw');
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}
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SpecialPowers.stopEmulatingMedium(window);
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</script>
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</pre>
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</body>
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</html>
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