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comparison: services/common/tests/unit/test_observers.js
services/common/tests/unit/test_observers.js
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- 6474c204b198
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| -1:000000000000 | 0:832a600ef4c0 |
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 Components.utils.import("resource://services-common/observers.js"); | |
| 5 | |
| 6 let gSubject = {}; | |
| 7 | |
| 8 function run_test() { | |
| 9 run_next_test(); | |
| 10 } | |
| 11 | |
| 12 add_test(function test_function_observer() { | |
| 13 let foo = false; | |
| 14 | |
| 15 let onFoo = function(subject, data) { | |
| 16 foo = !foo; | |
| 17 do_check_eq(subject, gSubject); | |
| 18 do_check_eq(data, "some data"); | |
| 19 }; | |
| 20 | |
| 21 Observers.add("foo", onFoo); | |
| 22 Observers.notify("foo", gSubject, "some data"); | |
| 23 | |
| 24 // The observer was notified after being added. | |
| 25 do_check_true(foo); | |
| 26 | |
| 27 Observers.remove("foo", onFoo); | |
| 28 Observers.notify("foo"); | |
| 29 | |
| 30 // The observer was not notified after being removed. | |
| 31 do_check_true(foo); | |
| 32 | |
| 33 run_next_test(); | |
| 34 }); | |
| 35 | |
| 36 add_test(function test_method_observer() { | |
| 37 let obj = { | |
| 38 foo: false, | |
| 39 onFoo: function(subject, data) { | |
| 40 this.foo = !this.foo; | |
| 41 do_check_eq(subject, gSubject); | |
| 42 do_check_eq(data, "some data"); | |
| 43 } | |
| 44 }; | |
| 45 | |
| 46 // The observer is notified after being added. | |
| 47 Observers.add("foo", obj.onFoo, obj); | |
| 48 Observers.notify("foo", gSubject, "some data"); | |
| 49 do_check_true(obj.foo); | |
| 50 | |
| 51 // The observer is not notified after being removed. | |
| 52 Observers.remove("foo", obj.onFoo, obj); | |
| 53 Observers.notify("foo"); | |
| 54 do_check_true(obj.foo); | |
| 55 | |
| 56 run_next_test(); | |
| 57 }); | |
| 58 | |
| 59 add_test(function test_object_observer() { | |
| 60 let obj = { | |
| 61 foo: false, | |
| 62 observe: function(subject, topic, data) { | |
| 63 this.foo = !this.foo; | |
| 64 | |
| 65 do_check_eq(subject, gSubject); | |
| 66 do_check_eq(topic, "foo"); | |
| 67 do_check_eq(data, "some data"); | |
| 68 } | |
| 69 }; | |
| 70 | |
| 71 Observers.add("foo", obj); | |
| 72 Observers.notify("foo", gSubject, "some data"); | |
| 73 | |
| 74 // The observer is notified after being added. | |
| 75 do_check_true(obj.foo); | |
| 76 | |
| 77 Observers.remove("foo", obj); | |
| 78 Observers.notify("foo"); | |
| 79 | |
| 80 // The observer is not notified after being removed. | |
| 81 do_check_true(obj.foo); | |
| 82 | |
| 83 run_next_test(); | |
| 84 }); |
