1/* 2 * Copyright (c) 2009 Apple Inc. All rights reserved. 3 * 4 * @APPLE_APACHE_LICENSE_HEADER_START@ 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 * @APPLE_APACHE_LICENSE_HEADER_END@ 19 */ 20#import <Foundation/Foundation.h> 21#import <objc/objc-auto.h> 22 23// CONFIG open GC -C99 runtime: objc_assign_global_error 24 25// store thread local and global objects into global variable 26 27@interface TestObject : NSObject { 28@public 29 id string; 30 bool isGlobal; 31} 32- (void)makeGlobal; 33@end 34 35TestObject *target; 36 37TestObject *global; 38int localDidFinalize = 0; 39int globalDidFinalize = 0; 40int Errors; 41 42@implementation TestObject 43 44- (void)finalize { 45 if (isGlobal) { 46 static int counter = 0; 47 if (counter++ == 0) { 48 target = self; 49 globalDidFinalize = 1; 50 } 51 } 52 else { 53 static int counter = 0; 54 if (counter++ == 0) { 55 target = self; 56 localDidFinalize = 1; 57 } 58 } 59 [super finalize]; 60} 61- (void)makeGlobal { 62 [[NSGarbageCollector defaultCollector] disableCollectorForPointer:self]; 63 [[NSGarbageCollector defaultCollector] enableCollectorForPointer:self]; 64 isGlobal = true; 65} 66@end 67 68#define LOCALOBJECTS 0 69 70int main(int argc, char *argv[]) { 71 global = [[TestObject alloc] init]; 72 73#if LOCALOBJECTS 74 for (int i = 0; i < 101; ++i) [[TestObject alloc] init]; 75 [[NSGarbageCollector defaultCollector] collectIfNeeded]; 76 if (localDidFinalize == 0) { 77 printf("%s: Whoops, no locals were finalized!!\n", argv[0]); 78 ++Errors; 79 } 80 81#else 82 for (int i = 0; i < 101; ++i) [[[TestObject alloc] init] makeGlobal]; 83 [[NSGarbageCollector defaultCollector] collectExhaustively]; 84 if (globalDidFinalize == 0) { 85 printf("%s: Whoops, no globals were finalized!!\n", argv[0]); 86 ++Errors; 87 } 88#endif 89 90 if (Errors == 0) { 91 printf("%s: Success!\n", argv[0]); 92 } 93 return Errors; 94 95} 96 97