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comparison: toolkit/mozapps/extensions/test/xpcshell/test_XPIcancel.js
toolkit/mozapps/extensions/test/xpcshell/test_XPIcancel.js
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ | |
| 3 */ | |
| 4 | |
| 5 // Test the cancellable doing/done/cancelAll API in XPIProvider | |
| 6 | |
| 7 let scope = Components.utils.import("resource://gre/modules/addons/XPIProvider.jsm"); | |
| 8 let XPIProvider = scope.XPIProvider; | |
| 9 | |
| 10 function run_test() { | |
| 11 // Check that cancelling with nothing in progress doesn't blow up | |
| 12 XPIProvider.cancelAll(); | |
| 13 | |
| 14 // Check that a basic object gets cancelled | |
| 15 let getsCancelled = { | |
| 16 isCancelled: false, | |
| 17 cancel: function () { | |
| 18 if (this.isCancelled) | |
| 19 do_throw("Already cancelled"); | |
| 20 this.isCancelled = true; | |
| 21 } | |
| 22 }; | |
| 23 XPIProvider.doing(getsCancelled); | |
| 24 XPIProvider.cancelAll(); | |
| 25 do_check_true(getsCancelled.isCancelled); | |
| 26 | |
| 27 // Check that if we complete a cancellable, it doesn't get cancelled | |
| 28 let doesntGetCancelled = { | |
| 29 cancel: () => do_throw("This should not have been cancelled") | |
| 30 }; | |
| 31 XPIProvider.doing(doesntGetCancelled); | |
| 32 do_check_true(XPIProvider.done(doesntGetCancelled)); | |
| 33 XPIProvider.cancelAll(); | |
| 34 | |
| 35 // A cancellable that adds a cancellable | |
| 36 getsCancelled.isCancelled = false; | |
| 37 let addsAnother = { | |
| 38 isCancelled: false, | |
| 39 cancel: function () { | |
| 40 if (this.isCancelled) | |
| 41 do_throw("Already cancelled"); | |
| 42 this.isCancelled = true; | |
| 43 XPIProvider.doing(getsCancelled); | |
| 44 } | |
| 45 } | |
| 46 XPIProvider.doing(addsAnother); | |
| 47 XPIProvider.cancelAll(); | |
| 48 do_check_true(addsAnother.isCancelled); | |
| 49 do_check_true(getsCancelled.isCancelled); | |
| 50 | |
| 51 // A cancellable that removes another. This assumes that Set() iterates in the | |
| 52 // order that members were added | |
| 53 let removesAnother = { | |
| 54 isCancelled: false, | |
| 55 cancel: function () { | |
| 56 if (this.isCancelled) | |
| 57 do_throw("Already cancelled"); | |
| 58 this.isCancelled = true; | |
| 59 XPIProvider.done(doesntGetCancelled); | |
| 60 } | |
| 61 } | |
| 62 XPIProvider.doing(removesAnother); | |
| 63 XPIProvider.doing(doesntGetCancelled); | |
| 64 XPIProvider.cancelAll(); | |
| 65 do_check_true(removesAnother.isCancelled); | |
| 66 } |
