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comparison: dom/browser-element/mochitest/priority/test_HighPriorityDowngrade2.html
dom/browser-element/mochitest/priority/test_HighPriorityDowngrade2.html
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| -1:000000000000 | 0:114e02b759b3 |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <!-- | |
| 4 Test that high-priority processes downgrade the CPU priority of regular | |
| 5 processes. | |
| 6 | |
| 7 This is just like test_HighPriorityDowngrade, except instead of waiting for the | |
| 8 high-priority process's wake lock to expire, we kill the process by removing | |
| 9 its iframe from the DOM. | |
| 10 --> | |
| 11 <head> | |
| 12 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 13 <script type="application/javascript" src="../browserElementTestHelpers.js"></script> | |
| 14 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> | |
| 15 </head> | |
| 16 <body> | |
| 17 | |
| 18 <script type="application/javascript;version=1.7"> | |
| 19 "use strict"; | |
| 20 | |
| 21 SimpleTest.waitForExplicitFinish(); | |
| 22 browserElementTestHelpers.setEnabledPref(true); | |
| 23 browserElementTestHelpers.addPermission(); | |
| 24 browserElementTestHelpers.enableProcessPriorityManager(); | |
| 25 SpecialPowers.addPermission("embed-apps", true, document); | |
| 26 | |
| 27 function runTest() { | |
| 28 var iframe = document.createElement('iframe'); | |
| 29 iframe.setAttribute('mozbrowser', true); | |
| 30 | |
| 31 iframe.src = browserElementTestHelpers.emptyPage1; | |
| 32 | |
| 33 var highPriorityIframe = null; | |
| 34 var childID = null; | |
| 35 | |
| 36 expectProcessCreated().then(function(chid) { | |
| 37 childID = chid; | |
| 38 return expectPriorityChange(childID, 'FOREGROUND', 'CPU_NORMAL'); | |
| 39 }).then(function() { | |
| 40 // Create a new, high-priority iframe. | |
| 41 highPriorityIframe = document.createElement('iframe'); | |
| 42 highPriorityIframe.setAttribute('mozbrowser', true); | |
| 43 highPriorityIframe.setAttribute('expecting-system-message', true); | |
| 44 highPriorityIframe.setAttribute('mozapptype', 'critical'); | |
| 45 highPriorityIframe.setAttribute('mozapp', 'http://example.org/manifest.webapp'); | |
| 46 highPriorityIframe.src = browserElementTestHelpers.emptyPage2; | |
| 47 | |
| 48 var p = Promise.all( | |
| 49 [expectPriorityChange(childID, 'FOREGROUND', 'CPU_LOW'), | |
| 50 expectMozbrowserEvent(highPriorityIframe, 'loadend')] | |
| 51 ); | |
| 52 | |
| 53 document.body.appendChild(highPriorityIframe); | |
| 54 | |
| 55 return p; | |
| 56 }).then(function() { | |
| 57 // Killing the high-priority iframe should cause our CPU priority to go back | |
| 58 // up to regular. | |
| 59 var p = expectPriorityChange(childID, 'FOREGROUND', 'CPU_NORMAL'); | |
| 60 document.body.removeChild(highPriorityIframe); | |
| 61 return p; | |
| 62 }).then(SimpleTest.finish); | |
| 63 | |
| 64 document.body.appendChild(iframe); | |
| 65 } | |
| 66 | |
| 67 addEventListener('testready', function() { | |
| 68 // Cause the CPU wake lock taken on behalf of the high-priority process never | |
| 69 // to time out during this test. | |
| 70 SpecialPowers.pushPrefEnv( | |
| 71 {set: [["dom.ipc.systemMessageCPULockTimeoutSec", 1000]]}, | |
| 72 runTest); | |
| 73 }); | |
| 74 | |
| 75 </script> | |
| 76 </body> | |
| 77 </html> |
