dom/power/test/test_power_set_screen_brightness.html

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 <!DOCTYPE HTML>
michael@0 2 <html>
michael@0 3 <head>
michael@0 4 <meta charset="utf-8">
michael@0 5 <title>Test Setting Screen Brightness with Power Management API</title>
michael@0 6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
michael@0 7 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
michael@0 8 </head>
michael@0 9 <body>
michael@0 10 <p id="display"></p>
michael@0 11 <div id="content" style="display: none"></div>
michael@0 12 <pre id="test">
michael@0 13 <script type="application/javascript">
michael@0 14
michael@0 15 "use strict";
michael@0 16
michael@0 17 // Test setting brightness to a value < 0
michael@0 18 function testInvalidBrightness1() {
michael@0 19 try {
michael@0 20 navigator.mozPower.screenBrightness = -1;
michael@0 21 } catch (e) {
michael@0 22 return ok(true, "Invalid brightness level results in exception.");
michael@0 23 }
michael@0 24 ok(false, "Exeception not thrown for invalid brightness level.");
michael@0 25 }
michael@0 26
michael@0 27 // Test setting brightness to a value > 1
michael@0 28 function testInvalidBrightness2() {
michael@0 29 try {
michael@0 30 navigator.mozPower.screenBrightness = 2;
michael@0 31 } catch (e) {
michael@0 32 return ok(true, "Invalid brightness level results in exception.");
michael@0 33 }
michael@0 34 ok(false, "Exeception not thrown for invalid brightness level.");
michael@0 35 }
michael@0 36
michael@0 37 function testSettingBrightness() {
michael@0 38 var newBright = 0.312;
michael@0 39 navigator.mozPower.screenBrightness = newBright;
michael@0 40 ok(fuzzyEq(newBright, navigator.mozPower.screenBrightness),
michael@0 41 "Set new brightness value.");
michael@0 42 }
michael@0 43
michael@0 44 function startTests() {
michael@0 45 testInvalidBrightness1();
michael@0 46 testInvalidBrightness2();
michael@0 47 testSettingBrightness();
michael@0 48
michael@0 49 SimpleTest.finish();
michael@0 50 }
michael@0 51
michael@0 52 function fuzzyEq(a, b) {
michael@0 53 var epsilon = 0.002;
michael@0 54 return Math.abs(a - b) < epsilon;
michael@0 55 }
michael@0 56
michael@0 57 SimpleTest.expectAssertions(0, 9);
michael@0 58 SimpleTest.waitForExplicitFinish();
michael@0 59 if (SpecialPowers.hasPermission("power", document)) {
michael@0 60 // Currently only applicable on FxOS
michael@0 61 if (navigator.userAgent.indexOf("Mobile") != -1 &&
michael@0 62 navigator.appVersion.indexOf("Android") == -1) {
michael@0 63 startTests();
michael@0 64 } else {
michael@0 65 ok(true, "mozPower on Firefox OS only.");
michael@0 66 SimpleTest.finish();
michael@0 67 }
michael@0 68 } else {
michael@0 69 // Add the permission and reload so it's propogated
michael@0 70 SpecialPowers.addPermission("power", true, document);
michael@0 71 window.location.reload();
michael@0 72 }
michael@0 73 </script>
michael@0 74 </pre>
michael@0 75 </body>
michael@0 76 </html>

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