darling-objc4/test/taggedNSPointers.m
2020-06-09 21:50:17 -04:00

81 lines
2.4 KiB
Objective-C

// TEST_CFLAGS -framework Foundation
#include "test.h"
#include <objc/runtime.h>
#import <Foundation/Foundation.h>
#if OBJC_HAVE_TAGGED_POINTERS
void testTaggedNumber()
{
NSNumber *taggedNS = [NSNumber numberWithInt: 1234];
CFNumberRef taggedCF = (__bridge CFNumberRef)taggedNS;
int result;
testassert( CFGetTypeID(taggedCF) == CFNumberGetTypeID() );
testassert(_objc_getClassForTag(OBJC_TAG_NSNumber) == [taggedNS class]);
CFNumberGetValue(taggedCF, kCFNumberIntType, &result);
testassert(result == 1234);
testassert(_objc_isTaggedPointer(taggedCF));
testassert(_objc_getTaggedPointerTag(taggedCF) == OBJC_TAG_NSNumber);
testassert(_objc_makeTaggedPointer(_objc_getTaggedPointerTag(taggedCF), _objc_getTaggedPointerValue(taggedCF)) == taggedCF);
// do some generic object-y things to the taggedPointer instance
CFRetain(taggedCF);
CFRelease(taggedCF);
NSMutableDictionary *dict = [NSMutableDictionary dictionary];
[dict setObject: taggedNS forKey: @"fred"];
testassert(taggedNS == [dict objectForKey: @"fred"]);
[dict setObject: @"bob" forKey: taggedNS];
testassert([@"bob" isEqualToString: [dict objectForKey: taggedNS]]);
NSNumber *iM88 = [NSNumber numberWithInt:-88];
NSNumber *i12346 = [NSNumber numberWithInt: 12346];
NSNumber *i12347 = [NSNumber numberWithInt: 12347];
NSArray *anArray = [NSArray arrayWithObjects: iM88, i12346, i12347, nil];
testassert([anArray count] == 3);
testassert([anArray indexOfObject: i12346] == 1);
NSSet *aSet = [NSSet setWithObjects: iM88, i12346, i12347, nil];
testassert([aSet count] == 3);
testassert([aSet containsObject: i12346]);
[taggedNS performSelector: @selector(intValue)];
testassert(![taggedNS isProxy]);
testassert([taggedNS isKindOfClass: [NSNumber class]]);
testassert([taggedNS respondsToSelector: @selector(intValue)]);
(void)[taggedNS description];
}
int main()
{
PUSH_POOL {
testTaggedNumber(); // should be tested by CF... our tests are wrong, wrong, wrong.
} POP_POOL;
succeed(__FILE__);
}
// OBJC_HAVE_TAGGED_POINTERS
#else
// not OBJC_HAVE_TAGGED_POINTERS
// Tagged pointers not supported. Crash if an NSNumber actually
// is a tagged pointer (which means this test is out of date).
int main()
{
PUSH_POOL {
testassert(*(void **)(__bridge void *)[NSNumber numberWithInt:1234]);
} POP_POOL;
succeed(__FILE__);
}
#endif