ideadapt · May 22, 2016 21:44 · May 22, 2016 · May 22, 2016 · May 22, 2016
diff --git a/jasmine-done-callback-behaviour.js b/jasmine-done-callback-behaviour.js
@@ -0,0 +1,59 @@
+describe('experiments with done', ()=>{
+
+	describe('- correct usage -', ()=>{
+
+		it('should fail because of async expect failure, and failure is assigned to correct spec', (done)=>{
+			new Promise(function(res, rej){
+				setTimeout(res, 1000)
+			}).then(()=>{
+				expect(1).toEqual(11)
+			}).catch().then(done)
+		})
+
+		it('should wait for async done call', (done)=>{
+			new Promise(function(res, rej){
+				setTimeout(res, 1000)
+			}).then(()=>{
+				expect(4).toEqual(4)
+				done()
+			})
+		})
+
+		it('should wait for async done call, but fails meanwhile', (done)=>{
+			new Promise(function(res, rej){
+				setTimeout(res, 1000)
+			}).then(()=>{
+				expect(4).toEqual(44)
+				done()
+			})
+		})
+
+		it('should wait for async done call, which is at the end of the promise chain', (done)=>{
+			new Promise(function(res, rej){
+				setTimeout(res, 1000)
+			}).then(()=>{
+				expect(1).toEqual(1)
+			}).catch().then(done)
+		})
+	})
+
+	describe('- incorrect usage -', ()=>{
+
+		it('should fail because of async expect failure, but wont since done not used', ()=>{
+			new Promise(function(res, rej){
+				// this expect throws an error, which jasmine is handling while already processing a succeeding spec.
+				// hence the error will be assigned to that wrong spec.
+				setTimeout(res, 1000)
+			}).then(()=>{
+				expect(2).toEqual(22)
+			})
+		})
+
+		it('should fail with failed expect from previous spec', (done)=>{
+			// most likely the failed expectation from previous spec will be detected and reported here.
+			new Promise(function(res, rej){
+				setTimeout(res, 1000)
+			}).then(done)
+		})
+	})
+})