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1 /* | 1 /* |
2 * worker-test-harness should be considered a temporary polyfill around | 2 * worker-test-harness should be considered a temporary polyfill around |
3 * testharness.js for supporting Service Worker based tests. It should not be | 3 * testharness.js for supporting Service Worker based tests. It should not be |
4 * necessary once the test harness is able to drive worker based tests natively. | 4 * necessary once the test harness is able to drive worker based tests natively. |
5 * See https://github.com/w3c/testharness.js/pull/82 for status of effort to | 5 * See https://github.com/w3c/testharness.js/pull/82 for status of effort to |
6 * update upstream testharness.js. Once the upstreaming is complete, tests that | 6 * update upstream testharness.js. Once the upstreaming is complete, tests that |
7 * reference worker-test-harness should be updated to directly import | 7 * reference worker-test-harness should be updated to directly import |
8 * testharness.js. | 8 * testharness.js. |
9 */ | 9 */ |
10 | 10 |
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77 // boilerplate for testing with promises. | 77 // boilerplate for testing with promises. |
78 function promise_test(func, name, properties) { | 78 function promise_test(func, name, properties) { |
79 properties = properties || {}; | 79 properties = properties || {}; |
80 var test = async_test(name, properties); | 80 var test = async_test(name, properties); |
81 Promise.resolve(test.step(func, test, test)) | 81 Promise.resolve(test.step(func, test, test)) |
82 .then(function() { test.done(); }) | 82 .then(function() { test.done(); }) |
83 .catch(test.step_func(function(value) { | 83 .catch(test.step_func(function(value) { |
84 throw value; | 84 throw value; |
85 })); | 85 })); |
86 } | 86 } |
| 87 |
| 88 // Returns a promise that fulfills after the provided |promise| is fulfilled. |
| 89 // The |test| succeeds only if |promise| throws an exception matching |code|. |
| 90 // The optional |description| describes the test being performed. |
| 91 // E.g.: |
| 92 // assert_promise_throws( |
| 93 // new Promise(...), // something that should throw an exception. |
| 94 // 'NotFoundError', |
| 95 // 'Should throw NotFoundError.'); |
| 96 function assert_promise_throws(promise, code, description) { |
| 97 return promise.then( |
| 98 function() { |
| 99 throw 'assert_promise_throws: ' + description + ' Promise did now throw.'; |
| 100 }, |
| 101 function(e) { |
| 102 if (code in self) { |
| 103 // If |code| is a JavaScript error exposed in the global object, then |
| 104 // require that the thrown exception be of that type. |
| 105 assert_class_string(e, code, description); |
| 106 } else { |
| 107 assert_throws(code, function() { throw e; }, description); |
| 108 } |
| 109 }); |
| 110 } |
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