add event emitter once test case

angular · Nov 9, 2016 · 4dabc6f · 4dabc6f
1 parent da482b9
commit 4dabc6f
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/test/node/events.spec.ts b/test/node/events.spec.ts
@@ -77,4 +77,11 @@ describe('nodejs EventEmitter', () => {
       expect(emitter.listeners('test').length).toEqual(0);
     });
   });
+  it ('should remove once listener properly', () => {
+    zoneA.run(() => {
+      emitter.once('test', shouldNotRun);
+      emitter.removeListener('test', shouldNotRun);
+      emitter.emit('test');
+    });
+  });
 });