| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/test-only-api.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <script src="/page-visibility/resources/window_state_context.js"></script> |
| <script src="resources/battery-status-helpers.js"></script> |
| </head> |
| <body> |
| <script> |
| battery_status_test(async (t, mockBatteryMonitor) => { |
| mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.5); |
| const battery = await navigator.getBattery(); |
| |
| mockBatteryMonitor.verifyBatteryStatus(battery); |
| |
| const fail = () => { throw new Error('unexpected levelchange event'); }; |
| battery.addEventListener('levelchange', fail); |
| |
| const {minimize, restore} = window_state_context(t); |
| await minimize(); |
| mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.55); |
| battery.removeEventListener('levelchange', fail); |
| |
| const change = |
| new Promise(resolve => battery.addEventListener('levelchange', resolve)); |
| await restore(); |
| mockBatteryMonitor.setBatteryStatus(false, 10, 20, 0.6); |
| await change; |
| |
| mockBatteryMonitor.verifyBatteryStatus(battery); |
| }, 'battery status events only fire on visible pages'); |
| </script> |
| </body> |
| </html> |