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Add exceptions to "initWithObjects: count:" #1

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Jun 17, 2019
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14 changes: 14 additions & 0 deletions NSSet.m
Original file line number Diff line number Diff line change
Expand Up @@ -269,6 +269,20 @@ - (id)initWithCapacity:(NSUInteger)capacity

- (id)initWithObjects:(const id [])objects count:(NSUInteger)cnt
{
if (objects == nil && cnt != 0) {
[NSException raise:NSInvalidArgumentException
format:(NSString *)CFSTR("The object array is nil while the count is not zero")];
}

// This probably isn't the most efficent way to error check, but I can't think of a better way to implement this.
for (int i = 0; i < cnt; i++) {
id value = objects[i];
if (value == nil) {
[NSException raise:NSInvalidArgumentException
format:[(NSString *)CFStringCreateWithFormat(NULL,NULL,CFSTR("The object at objects[%d] is nil."),i) autorelease]];
}
}

if (self == mutablePlaceholder)
{
CFMutableSetRef set = CFSetCreateMutable(kCFAllocatorDefault, cnt, &sNSCFSetCallBacks);
Expand Down