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-NSMutableIndexSet shiftIndexesStartingAtIndex:by: weirdness
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-NSMutableIndexSet shiftIndexesStartingAtIndex:by: weirdness


  • Subject: -NSMutableIndexSet shiftIndexesStartingAtIndex:by: weirdness
  • From: steven Hooley <email@hidden>
  • Date: Thu, 17 Sep 2009 14:23:17 +0100

- shiftIndexesStartingAtIndex:by: and
-containsIndexesInRange:NSMakeRange: don't seem to play nicely
together..
 Is this expected?

NSMutableIndexSet *someIndexes = [NSMutableIndexSet indexSet];
[someIndexes addIndex:0];
[someIndexes addIndex:2];
[someIndexes shiftIndexesStartingAtIndex:2 by:-1];

BOOL result1 = [someIndexes containsIndex:0];
BOOL result2 = [someIndexes containsIndex:1];
BOOL result3 = [someIndexes containsIndexesInRange:NSMakeRange(0,2)];

NSLog(@"%@ %@ %@", (result1 ? @"YES" : @"NO"), (result2 ? @"YES" :
@"NO"), (result3 ? @"YES" : @"NO") );

-- 2009-09-17 14:21:25.789 otest[19356:10b] YES YES NO

thanks
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