fixed changing to stopped state after no continuos playback url is given

Author: Onur Guengoeren

OrigamiEngine/ORGMEngine.m

@@ -191,8 +191,10 @@ - (void)observeValueForKeyPath:(NSString *)keyPath
         });
     } else if ([keyPath isEqualToString:@"endOfInput"]) {
         NSURL *nextUrl = [_delegate engineExpectsNextUrl:self];
-        if (!nextUrl)
+        if (!nextUrl) {
+            [self setCurrentState:ORGMEngineStateStopped];
             return;
+        }
 
         dispatch_async(dispatch_get_main_queue(), ^{
             [self setNextUrl:nextUrl withDataFlush:NO];

OrigamiEngineTests/EngineTests.m

@@ -78,4 +78,14 @@ - (void)testEngineDelegateShouldRequestNextTrackFromDelegate {
     STAssertTrue(_tester.trackRequested, nil);
 }
 
+- (void)testEngineShouldChangeStateToStoppedIfNoNextTrackIsGiven {
+    NSDate *loopUntil = [NSDate dateWithTimeIntervalSinceNow:3.0];
+    while ([loopUntil timeIntervalSinceNow] > 0) {
+        [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
+                                 beforeDate:loopUntil];
+    }
+    STAssertTrue(_engine.currentState, ORGMEngineStateStopped);
+}
+
+
 @end