page-visibility.https.html (1305B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <script src="/resources/test-only-api.js"></script> 7 <script src="/resources/testdriver.js"></script> 8 <script src="/resources/testdriver-vendor.js"></script> 9 <script src="/page-visibility/resources/window_state_context.js"></script> 10 <script src="resources/battery-status-helpers.js"></script> 11 </head> 12 <body> 13 <script> 14 battery_status_test(async (t, mockBatteryMonitor) => { 15 mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5); 16 const battery = await navigator.getBattery(); 17 18 mockBatteryMonitor.verifyBatteryStatus(battery); 19 20 const fail = () => { throw new Error('unexpected levelchange event'); }; 21 battery.addEventListener('levelchange', fail); 22 23 const {minimize, restore} = window_state_context(t); 24 await minimize(); 25 mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.55); 26 battery.removeEventListener('levelchange', fail); 27 28 const change = 29 new Promise(resolve => battery.addEventListener('levelchange', resolve)); 30 await restore(); 31 mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.6); 32 await change; 33 34 mockBatteryMonitor.verifyBatteryStatus(battery); 35 }, 'battery status events only fire on visible pages'); 36 </script> 37 </body> 38 </html>