third_party/WebKit/LayoutTests/battery-status/page-visibility.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script src="../resources/js-test.js"></script>
   5 <script>
   6 description("Test with page visibility.");
   7
   8 if (!window.testRunner)
   9     debug('This test cannot be run without the TestRunner');
  10
  11 // Clean-up any unused battery manager objects from previous tests.
  12 gc();
  13 jsTestIsAsync = true;
  14 testRunner.waitUntilDone();
  15
  16 var mockBatteryInfo;
  17 function setAndFireMockBatteryInfo(charging, chargingTime, dischargingTime, level) {
  18     mockBatteryInfo = { charging: charging,
  19                         chargingTime: chargingTime,
  20                         dischargingTime: dischargingTime,
  21                         level: level };
  22     testRunner.didChangeBatteryStatus(charging, chargingTime, dischargingTime, level);
  23 }
  24
  25 // compare obtained battery values with the mock values
  26 function checkBatteryInfo(batteryManager) {
  27     batteryInfo = batteryManager;
  28     shouldBeDefined("batteryInfo");
  29     shouldBeDefined("mockBatteryInfo");
  30     shouldBe('batteryInfo.charging', 'mockBatteryInfo.charging');
  31     shouldBe('batteryInfo.chargingTime', 'mockBatteryInfo.chargingTime');
  32     shouldBe('batteryInfo.dischargingTime', 'mockBatteryInfo.dischargingTime');
  33     shouldBe('batteryInfo.level', 'mockBatteryInfo.level');
  34 }
  35
  36 function batteryStatusFailure() {
  37     testFailed('failed to successfully resolve the promise');
  38     setTimeout(cleanupAndFinish, 0);
  39 }
  40
  41 var battery;
  42 function batteryStatusSuccess(batteryManager) {
  43     battery = batteryManager;
  44     checkBatteryInfo(battery);
  45     battery.addEventListener('levelchange', failAndFinish);
  46     testRunner.setPageVisibility("hidden");
  47     debug("page is hidden");
  48     setTimeout(fireNextMockBatteryInfo, 0);
  49 }
  50
  51 function fireNextMockBatteryInfo() {
  52     setAndFireMockBatteryInfo(false, 10, 20, 0.55);
  53     testWithVisiblePage();
  54 }
  55
  56 function testWithVisiblePage() {
  57     battery.removeEventListener('levelchange', failAndFinish);
  58     battery.addEventListener('levelchange', onLevelChange);
  59     testRunner.setPageVisibility("visible");
  60     debug("page is visible");
  61     setAndFireMockBatteryInfo(false, 10, 20, 0.6);
  62 }
  63
  64 function onLevelChange() {
  65     checkBatteryInfo(battery);
  66     battery.removeEventListener('levelchange', onLevelChange);
  67     setTimeout(finishJSTest, 0);
  68 }
  69
  70 function failAndFinish() {
  71     testFailed('received event while the page was hidden');
  72     setTimeout(finishJSTest, 0);
  73 }
  74
  75 debug("page is visible");
  76 navigator.getBattery().then(batteryStatusSuccess, batteryStatusFailure);
  77 setAndFireMockBatteryInfo(false, 10, 20, 0.5);
  78 </script>
  79 </body>
  80 </html>