The following raises with NSInternalInconsistencyException when :
1. an NSArrayController filter is in place,
2. controller.clearsFilterPredicateOnInsertion = NO
3. added content object is rejected by the filter.
Is this behaviour by design?
#import “AppDelegate.h"
@interface AppDelegate ()
@property (weak) IBOutlet NSWindow *window;
@end
@implementation AppDelegate
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
NSArrayController *controller = [[NSArrayController alloc]
initWithContent:@[@"foo"].mutableCopy];
controller.filterPredicate = [NSPredicate predicateWithBlock:^BOOL(id
_Nonnull evaluatedObject, NSDictionary<NSString *,id> * _Nullable bindings) {
return [evaluatedObject isKindOfClass:[NSString class]];
}];
controller.clearsFilterPredicateOnInsertion = NO;
[controller addObject:@"bar"];
[controller addObject:@1]; // raises
}
@end
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