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POisMemberOfClass doesn't work as expected with ocunit
 

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    <blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="https://stackoverflow.com/questions/12692854/ismemberofclass-returning-no-when-custom-init">&#39;isMemberOfClass&#39; returning &#39;NO&#39; when custom init</a> </p> </blockquote> <p>I've some trouble with the "isMemberOfClass"-Method.</p> <p>I have a class, that generates and returns objects ("<code>MyObject</code>")</p> <pre><code>// ObjectFactory.h ... -(MyObject*)generateMyObject; ... // ObjectFactory.m ... -(MyObject*)generateMyObject { MyObject *obj = [[MyObject alloc]init]; obj.name = @"Whatever"; // set properties of object return obj; } ... </code></pre> <p>And there's a unittest-class, that calls the <code>generateMyObject</code>-selector and checks the class of the returned object:</p> <pre><code>... ObjectFactory *factory = [[ObjectFactory alloc]init]; MyObject *obj = [factory generateMyObject]; if (![obj isMemeberOfclass:[MyObject class]]) STFail(@"Upps, object of wrong class returned..."); else ... </code></pre> <p>I expect, that the <code>else</code>-part is processed...but the STFail(...) is called instead, but why?</p> <p>Thx for any help! Regards, matrau</p> <p>Ok, here is the original copy&amp;pasted code:</p> <pre><code>//testcase - (void)test001_setCostumeFirstCostume { NSString *xmlString = @"&lt;Bricks.SetCostumeBrick&gt;&lt;costumeData reference=\"../../../../../costumeDataList/Common.CostumeData\"/&gt;&lt;sprite reference=\"../../../../..\"/&gt;&lt;/Bricks.SetCostumeBrick&gt;"; NSError *error; NSData *xmlData = [xmlString dataUsingEncoding:NSASCIIStringEncoding]; GDataXMLDocument *doc = [[GDataXMLDocument alloc] initWithData:xmlData options:0 error:&amp;error]; SetCostumeBrick *newBrick = [self.parser loadSetCostumeBrick:doc.rootElement]; if (![newBrick isMemberOfClass:[SetCostumeBrick class]]) STFail(@"Wrong class-member"); } // "MyObject" @implementation SetCostumeBrick @synthesize indexOfCostumeInArray = _indexOfCostumeInArray; - (void)performOnSprite:(Sprite *)sprite fromScript:(Script*)script { NSLog(@"Performing: %@", self.description); [sprite performSelectorOnMainThread:@selector(changeCostume:) withObject:self.indexOfCostumeInArray waitUntilDone:true]; } - (NSString*)description { return [NSString stringWithFormat:@"SetCostumeBrick (CostumeIndex: %d)", self.indexOfCostumeInArray.intValue]; } @end // superclass of SetCostumeBrick @implementation Brick - (NSString*)description { return @"Brick (NO SPECIFIC DESCRIPTION GIVEN! OVERRIDE THE DESCRIPTION METHOD!"; } //abstract method (!!!) - (void)performOnSprite:(Sprite *)sprite fromScript:(Script*)script { @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:[NSString stringWithFormat:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)] userInfo:nil]; } @end // the "factory" (a xml-parser) - (SetCostumeBrick*)loadSetCostumeBrick:(GDataXMLElement*)gDataSetCostumeBrick { SetCostumeBrick *ret = [[SetCostumeBrick alloc] init]; NSArray *references = [gDataSetCostumeBrick elementsForName:@"costumeData"]; GDataXMLNode *temp = [(GDataXMLElement*)[references objectAtIndex:0]attributeForName:@"reference"]; NSString *referencePath = temp.stringValue; if ([referencePath length] &gt; 2) { if([referencePath hasSuffix:@"]"]) //index found { NSString *indexString = [referencePath substringWithRange:NSMakeRange([referencePath length]-2, 1)]; ret.indexOfCostumeInArray = [NSNumber numberWithInt:indexString.intValue-1]; } else { ret.indexOfCostumeInArray = [NSNumber numberWithInt:0]; } } else { ret.indexOfCostumeInArray = nil; @throw [NSException exceptionWithName:NSInternalInconsistencyException reason:[NSString stringWithFormat:@"Parser error! (#1)"] userInfo:nil]; } NSLog(@"Index: %@, Reference: %@", ret.indexOfCostumeInArray, [references objectAtIndex:0]); return ret; } </code></pre> <p>SOLUTION: </p> <p>Eiko/jrturton gave me a link to the solution - thx: <a href="https://stackoverflow.com/questions/11675256/ismemberofclass-returns-no-when-viewcontroller-is-instantiated-from-uistoryboard">isMemberOfClass returns no when ViewController is instantiated from UIStoryboard</a></p> <p>The problem was, that the classes were included in both targets (app and test bundle)</p> <p>Thank you guys for your help :)</p>
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    1. USmatrau
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    1. COPlease use copy-paste... that code has obvious spelling mistakes in method names.
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    2. COTry debugging and watching obj class.
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    3. COCan you show the `init` method of the `MyObject` class? Does it actually return a `MyObject` or perhaps some subclass instance?
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      1. USMartin R
 

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