test_battery_discharging.html (1107B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <title>Test for Battery API</title> 5 <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> 6 <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/> 7 </head> 8 <body> 9 <p id="display"></p> 10 <div id="content" style="display: none"> 11 </div> 12 <pre id="test"> 13 <script type="application/javascript"> 14 15 "use strict"; 16 17 SimpleTest.waitForExplicitFinish(); 18 19 /** Test for Battery API */ 20 navigator.getBattery().then(function(battery) { 21 ok(battery.level >= 0.0 && battery.level <= 1.0, "Battery level " + battery.level + " should be in the range [0.0, 1.0]"); 22 23 SpecialPowers.pushPrefEnv({"set": [["dom.battery.test.discharging", true]]}, function() { 24 is(battery.charging, false, "Battery should be discharging"); 25 is(battery.chargingTime, Infinity, "Battery chargingTime should be Infinity when discharging"); 26 ok(battery.dischargingTime > 0, "Battery dischargingTime " + battery.dischargingTime + " should be positive when discharging"); 27 28 SimpleTest.finish(); 29 }); 30 }); 31 32 </script> 33 </pre> 34 </body> 35 </html>