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77 lines
2.1 KiB
HTML
77 lines
2.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Test Setting Screen Brightness with Power Management API</title>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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</head>
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<body>
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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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"use strict";
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// Test setting brightness to a value < 0
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function testInvalidBrightness1() {
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try {
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navigator.mozPower.screenBrightness = -1;
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} catch (e) {
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return ok(true, "Invalid brightness level results in exception.");
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}
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ok(false, "Exeception not thrown for invalid brightness level.");
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}
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// Test setting brightness to a value > 1
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function testInvalidBrightness2() {
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try {
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navigator.mozPower.screenBrightness = 2;
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} catch (e) {
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return ok(true, "Invalid brightness level results in exception.");
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}
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ok(false, "Exeception not thrown for invalid brightness level.");
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}
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function testSettingBrightness() {
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var newBright = 0.312;
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navigator.mozPower.screenBrightness = newBright;
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ok(fuzzyEq(newBright, navigator.mozPower.screenBrightness),
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"Set new brightness value.");
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}
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function startTests() {
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testInvalidBrightness1();
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testInvalidBrightness2();
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testSettingBrightness();
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SimpleTest.finish();
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}
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function fuzzyEq(a, b) {
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var epsilon = 0.002;
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return Math.abs(a - b) < epsilon;
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}
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SimpleTest.expectAssertions(0, 9);
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SimpleTest.waitForExplicitFinish();
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if (SpecialPowers.hasPermission("power", document)) {
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// Currently only applicable on FxOS
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if (navigator.userAgent.indexOf("Mobile") != -1 &&
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navigator.appVersion.indexOf("Android") == -1) {
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startTests();
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} else {
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ok(true, "mozPower on Firefox OS only.");
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SimpleTest.finish();
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}
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} else {
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// Add the permission and reload so it's propogated
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SpecialPowers.addPermission("power", true, document);
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window.location.reload();
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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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