CollectionChecking.m [plain text]
/*
* Copyright (c) 2011 Apple Inc. All rights reserved.
*
* @APPLE_APACHE_LICENSE_HEADER_START@
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @APPLE_APACHE_LICENSE_HEADER_END@
*/
//
// CollectionChecking.m
// Copyright (c) 2010-2011 Apple Inc. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "BlackBoxTest.h"
@interface CollectionCheckingBlock : BlackBoxTest
{
__strong void *_testBlock;
BOOL _gotCallback;
}
@end
@interface SubzoneBlockCollectionCheck : CollectionCheckingBlock
@end
@interface LargeBlockCollectionCheck : CollectionCheckingBlock
@end
@implementation CollectionCheckingBlock
+ (BOOL)isConcreteTestCase
{
return self != [CollectionCheckingBlock class];
}
- (__strong void *)allocateBlock
{
}
- (void)testFinished
{
_testBlock = nil;
auto_zone_disable_collection_checking([self auto_zone]);
[super testFinished];
}
- (void)processOutputLine:(NSString *)line
{
if ([line rangeOfString:@"was not collected"].location != NSNotFound) {
} else {
[super processOutputLine:line];
}
}
- (void)outputComplete
{
if (_gotCallback) {
[self passed];
} else {
[self fail:@"collection checking did not call callback with block"];
}
[super outputComplete];
}
- (id)callback
{
return nil;
}
- (void)performTest
{
_testBlock = [self allocateBlock];
malloc_zone_enable_discharge_checking([self auto_zone]);
malloc_zone_discharge([self auto_zone], _testBlock);
//auto_zone_enumerate_uncollected([self auto_zone], NULL);
malloc_zone_enumerate_discharged_pointers([self auto_zone], ^(void *block, void *info){
if (block == _testBlock) {
_gotCallback = YES;
}
});
[self testFinished];
}
@end
@implementation SubzoneBlockCollectionCheck
- (__strong void *)allocateBlock
{
return NSAllocateObject([NSObject class], 0, NULL);
}
@end
@implementation LargeBlockCollectionCheck
- (__strong void *)allocateBlock
{
return NSAllocateObject([NSObject class], 1024*1024, NULL);
}
@end