Unified Diff: test/filterNotifier.js
Issue 29977555:
Issue 7202 - Add hasListeners method to EventEmitter (Closed)
Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Add tests
Created Jan. 9, 2019, 5 p.m.
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| Index: test/filterNotifier.js |
| =================================================================== |
| --- a/test/filterNotifier.js |
| +++ b/test/filterNotifier.js |
| @@ -45,16 +45,22 @@ |
| function removeListener(listener) |
| { |
| filterNotifier.off("foo", listener); |
| } |
| function compareListeners(test, testDescription, list) |
| { |
| + test.equal(filterNotifier.hasListeners(), list.length > 0, testDescription); |
| + test.equal(filterNotifier.hasListeners("foo"), list.length > 0, |
| + testDescription); |
| + |
| + test.equal(filterNotifier.hasListeners("bar"), false, testDescription); |
| + |
| let result1 = triggeredListeners = []; |
| filterNotifier.emit("foo", {bar: true}); |
| let result2 = triggeredListeners = []; |
| for (let observer of list) |
| observer({bar: true}); |
| test.deepEqual(result1, result2, testDescription); |
