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canFireEvent: returns false if event.sourceStates is nil #19

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merged 1 commit into from Jun 29, 2015
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canFireEvent: returns false if event.sourceStates is nil #19

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2 changes: 1 addition & 1 deletion Code/TKStateMachine.m
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Expand Up @@ -196,7 +196,7 @@ - (BOOL)canFireEvent:(id)eventOrEventName
if (! [eventOrEventName isKindOfClass:[TKEvent class]] && ![eventOrEventName isKindOfClass:[NSString class]]) [NSException raise:NSInvalidArgumentException format:@"Expected a `TKEvent` object or `NSString` object specifying the name of an event, instead got a `%@` (%@)", [eventOrEventName class], eventOrEventName];
TKEvent *event = [eventOrEventName isKindOfClass:[TKEvent class]] ? eventOrEventName : [self eventNamed:eventOrEventName];
if (! event) [NSException raise:NSInvalidArgumentException format:@"Cannot find an Event named '%@'", eventOrEventName];
return [event.sourceStates containsObject:self.currentState];
return event.sourceStates == nil || [event.sourceStates containsObject:self.currentState];
}

- (BOOL)fireEvent:(id)eventOrEventName userInfo:(NSDictionary *)userInfo error:(NSError *__autoreleasing *)error
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