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Editorial Team
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Asked: 2026-05-26T15:25:12+00:00

I am having trouble testing equality on the Views that are set up in

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I am having trouble testing equality on the Views that are set up in my project.

This is a long post, please bear with me. I have 3 separate views set up as part of the same XIB.

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Each view is connected to File Owner (UIViewController) via an IBOutlet
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The owner itself is a UIViewController

@interface PuzzleViewController : UIViewController {

Inside the FileOwner views are declared as:

IBOutlet Puzzle1 *p1;
IBOutlet Puzzle2 *p2;
IBOutlet Puzzle3 *p3;

@property (nonatomic, retain) IBOutlet Puzzle1 *p1;
@property (nonatomic, retain) IBOutlet Puzzle2 *p2;
@property (nonatomic, retain) IBOutlet Puzzle3 *p3;

Additionally i have

UIView *currentPuzzleView;
@property (nonatomic, retain) UIView *currentPuzzleView;

In .m file, upon initialization, i declare current view to be p1

[self setCurrentPuzzleView:p1];

Later, i would like to check if current view is in fact p1. This comparison fails.

if ([[self currentPuzzleView]  isEqual:p1]) {

Additionally this fails as well

if ([self currentPuzzleView]  == p1) {

Why is this?

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1 Answer

  1. Editorial Team

    Because you are using different classes for the equality test (UIView and Puzzle1). Your currentPuzzleView should be a pointer to one of those three classes Puzzle1 Puzzle2 Puzzle3. If you definitely need to use three different classes for those puzzle views, try adding tags to them and change

    @property (nonatomic, retain) UIView *currentPuzzleView;

    to

    int currentPuzzleViewTag;

    set it to 1 upon viewDidLoad: and change the tag to appropriate when different views are selected.

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