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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import <Foundation/Foundation.h>
#import "base/mac/objc_property_releaser.h"
#import "base/mac/scoped_nsautorelease_pool.h"
#include "testing/gtest/include/gtest/gtest.h"
// "When I'm alone, I count myself."
// --Count von Count, http://www.youtube.com/watch?v=FKzszqa9WA4
// The number of CountVonCounts outstanding.
static int ah_ah_ah;
@interface CountVonCount : NSObject<NSCopying>
+ (CountVonCount*)countVonCount;
@end // @interface CountVonCount
@implementation CountVonCount
+ (CountVonCount*)countVonCount {
return [[[CountVonCount alloc] init] autorelease];
}
- (id)init {
++ah_ah_ah;
return [super init];
}
- (void)dealloc {
--ah_ah_ah;
[super dealloc];
}
- (id)copyWithZone:(NSZone*)zone {
return [[CountVonCount allocWithZone:zone] init];
}
@end // @implementation CountVonCount
@interface ObjCPropertyTestBase : NSObject {
@private
CountVonCount* cvcBaseRetain_;
CountVonCount* cvcBaseCopy_;
CountVonCount* cvcBaseAssign_;
CountVonCount* cvcBaseNotProperty_;
base::mac::ObjCPropertyReleaser propertyReleaser_ObjCPropertyTestBase_;
}
@property(retain, nonatomic) CountVonCount* cvcBaseRetain;
@property(copy, nonatomic) CountVonCount* cvcBaseCopy;
@property(assign, nonatomic) CountVonCount* cvcBaseAssign;
- (void)setCvcBaseNotProperty:(CountVonCount*)cvc;
@end // @interface ObjCPropertyTestBase
@implementation ObjCPropertyTestBase
@synthesize cvcBaseRetain = cvcBaseRetain_;
@synthesize cvcBaseCopy = cvcBaseCopy_;
@synthesize cvcBaseAssign = cvcBaseAssign_;
- (id)init {
if ((self = [super init])) {
propertyReleaser_ObjCPropertyTestBase_.Init(
self, [ObjCPropertyTestBase class]);
}
return self;
}
- (void)dealloc {
[cvcBaseNotProperty_ release];
[super dealloc];
}
- (void)setCvcBaseNotProperty:(CountVonCount*)cvc {
if (cvc != cvcBaseNotProperty_) {
[cvcBaseNotProperty_ release];
cvcBaseNotProperty_ = [cvc retain];
}
}
@end // @implementation ObjCPropertyTestBase
@protocol ObjCPropertyTestProtocol
@property(retain, nonatomic) CountVonCount* cvcProtoRetain;
@property(copy, nonatomic) CountVonCount* cvcProtoCopy;
@property(assign, nonatomic) CountVonCount* cvcProtoAssign;
@end // @protocol ObjCPropertyTestProtocol
@interface ObjCPropertyTestDerived
: ObjCPropertyTestBase<ObjCPropertyTestProtocol> {
@private
CountVonCount* cvcDerivedRetain_;
CountVonCount* cvcDerivedCopy_;
CountVonCount* cvcDerivedAssign_;
CountVonCount* cvcDerivedNotProperty_;
CountVonCount* cvcProtoRetain_;
CountVonCount* cvcProtoCopy_;
CountVonCount* cvcProtoAssign_;
base::mac::ObjCPropertyReleaser propertyReleaser_ObjCPropertyTestDerived_;
}
@property(retain, nonatomic) CountVonCount* cvcDerivedRetain;
@property(copy, nonatomic) CountVonCount* cvcDerivedCopy;
@property(assign, nonatomic) CountVonCount* cvcDerivedAssign;
- (void)setCvcDerivedNotProperty:(CountVonCount*)cvc;
@end // @interface ObjCPropertyTestDerived
@implementation ObjCPropertyTestDerived
@synthesize cvcDerivedRetain = cvcDerivedRetain_;
@synthesize cvcDerivedCopy = cvcDerivedCopy_;
@synthesize cvcDerivedAssign = cvcDerivedAssign_;
@synthesize cvcProtoRetain = cvcProtoRetain_;
@synthesize cvcProtoCopy = cvcProtoCopy_;
@synthesize cvcProtoAssign = cvcProtoAssign_;
- (id)init {
if ((self = [super init])) {
propertyReleaser_ObjCPropertyTestDerived_.Init(
self, [ObjCPropertyTestDerived class]);
}
return self;
}
- (void)dealloc {
[cvcDerivedNotProperty_ release];
[super dealloc];
}
- (void)setCvcDerivedNotProperty:(CountVonCount*)cvc {
if (cvc != cvcDerivedNotProperty_) {
[cvcDerivedNotProperty_ release];
cvcDerivedNotProperty_ = [cvc retain];
}
}
@end // @implementation ObjCPropertyTestDerived
namespace {
TEST(ObjCPropertyReleaserTest, SesameStreet) {
ObjCPropertyTestDerived* test_object = [[ObjCPropertyTestDerived alloc] init];
// Assure a clean slate.
EXPECT_EQ(0, ah_ah_ah);
CountVonCount* baseAssign = [[CountVonCount alloc] init];
CountVonCount* derivedAssign = [[CountVonCount alloc] init];
CountVonCount* protoAssign = [[CountVonCount alloc] init];
// Make sure that worked before things get more involved.
EXPECT_EQ(3, ah_ah_ah);
{
base::mac::ScopedNSAutoreleasePool pool;
test_object.cvcBaseRetain = [CountVonCount countVonCount];
test_object.cvcBaseCopy = [CountVonCount countVonCount];
test_object.cvcBaseAssign = baseAssign;
[test_object setCvcBaseNotProperty:[CountVonCount countVonCount]];
// That added 3 objects, plus 1 more that was copied.
EXPECT_EQ(7, ah_ah_ah);
test_object.cvcDerivedRetain = [CountVonCount countVonCount];
test_object.cvcDerivedCopy = [CountVonCount countVonCount];
test_object.cvcDerivedAssign = derivedAssign;
[test_object setCvcDerivedNotProperty:[CountVonCount countVonCount]];
// That added 3 objects, plus 1 more that was copied.
EXPECT_EQ(11, ah_ah_ah);
test_object.cvcProtoRetain = [CountVonCount countVonCount];
test_object.cvcProtoCopy = [CountVonCount countVonCount];
test_object.cvcProtoAssign = protoAssign;
// That added 2 objects, plus 1 more that was copied.
EXPECT_EQ(14, ah_ah_ah);
}
// Now that the autorelease pool has been popped, there should be 12
// CountVonCounts. The ones that were copied to place into the test objects
// will now have been deallocated.
EXPECT_EQ(11, ah_ah_ah);
[test_object release];
// The property releaser should have released all of the CountVonCounts
// associated with properties marked "retain" or "copy". The -dealloc
// methods in each should have released the single non-property objects in
// each. Only the CountVonCounts assigned to the properties marked "assign"
// should remain.
EXPECT_EQ(3, ah_ah_ah);
[baseAssign release];
[derivedAssign release];
[protoAssign release];
// Zero! Zero counts! Ah, ah, ah.
EXPECT_EQ(0, ah_ah_ah);
}
} // namespace
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