Source/OCMockTests/OCMockObjectRuntimeTests.m

/*
 *  Copyright (c) 2014-2021 Erik Doernenburg and contributors
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use these files 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.
 */

#import <XCTest/XCTest.h>
#import "OCMock.h"


#pragma mark Helper classes

@interface TestClassWithTypeQualifierMethod : NSObject

- (void)aSpecialMethod:(byref in void *)someArg;

@end

@implementation TestClassWithTypeQualifierMethod

- (void)aSpecialMethod:(byref in __unused void *)someArg
{
}

@end


typedef NSString TypedefString;

@interface TestClassWithTypedefObjectArgument : NSObject

- (NSString *)stringForTypedef:(TypedefString *)string;

@end

@implementation TestClassWithTypedefObjectArgument

- (NSString *)stringForTypedef:(TypedefString *)string
{
    return @"Whatever. Doesn't matter.";
}
@end


@interface TestDelegate : NSObject

- (void)go;

@end

@implementation TestDelegate

- (void)go
{
}

@end

@interface TestClassWithDelegate : NSObject

@property(nonatomic, weak) TestDelegate *delegate;

@end

@implementation TestClassWithDelegate

- (void)run
{
    TestDelegate *delegate = self.delegate;
    [delegate go];
}

@end


@interface NSValueSubclassForTesting : NSValue

@end

@implementation NSValueSubclassForTesting

@end


@interface TestClassWithInitMethod : NSObject
@end

@implementation TestClassWithInitMethod

- (id)initMethodNotCalledJustInit
{
    return [super init];
}

- (id)initMethodWithNestedInit
{
    return [self initMethodNotCalledJustInit];
}

@end


@interface TestClassWithResolveMethods : NSObject
@end

@implementation TestClassWithResolveMethods

+ (BOOL)resolveInstanceMethod:(SEL)sel
{
    return [super resolveInstanceMethod:sel];
}

+ (void)classMethod
{
}

+ (BOOL)resolveClassMethod:(SEL)sel
{
    return [super resolveClassMethod:sel];
}

- (void)instanceMethod __used
{
}

@end

// This class imitates a bit how CALayer functions internally;
// see https://github.com/erikdoe/ocmock/issues/411
@interface TestClassWithResolveMethodsLikeCALayer : TestClassWithResolveMethods
@end

@implementation TestClassWithResolveMethodsLikeCALayer

+ (void)aMethodWithClass:(Class)cls __used
{
}

+ (BOOL)resolveInstanceMethod:(SEL)sel
{
    // resolve must call a class method with self as an argument.
    [self aMethodWithClass:self];
    return NO;
}

@end


@interface TestClassWithCopyImplementations : NSObject <NSCopying, NSMutableCopying>
@end

@implementation TestClassWithCopyImplementations

- (nonnull id)copyWithZone:(nullable NSZone *)zone {
    return [[TestClassWithCopyImplementations allocWithZone:zone] init];
}

- (nonnull id)mutableCopyWithZone:(nullable NSZone *)zone { 
    return [[TestClassWithCopyImplementations allocWithZone:zone] init];
}

@end




#pragma mark Tests for interaction with runtime and foundation conventions

@interface OCMockObjectRuntimeTests : XCTestCase

@end

@implementation OCMockObjectRuntimeTests

- (void)testRespondsToValidSelector
{
    id mock = [OCMockObject mockForClass:[NSString class]];
    XCTAssertTrue([mock respondsToSelector:@selector(lowercaseString)]);
}


- (void)testDoesNotRespondToInvalidSelector
{
    id mock = [OCMockObject mockForClass:[NSString class]];
    // We use a selector that's not implemented by the mock
    XCTAssertFalse([mock respondsToSelector:@selector(arrayWithArray:)]);
}


- (void)testCanStubValueForKeyMethod
{
    id mock = [OCMockObject mockForClass:[NSObject class]];
    [[[mock stub] andReturn:@"SomeValue"] valueForKey:@"SomeKey"];

    id returnValue = [mock valueForKey:@"SomeKey"];

    XCTAssertEqualObjects(@"SomeValue", returnValue, @"Should have returned value that was set up.");
}


- (void)testMockConformsToProtocolImplementedInSuperclass
{
    id mock = [OCMockObject mockForClass:[NSValueSubclassForTesting class]];
    XCTAssertTrue([mock conformsToProtocol:@protocol(NSCopying)]);
}

- (void)testCanMockNSMutableArray
{
    id mock = [OCMockObject niceMockForClass:[NSMutableArray class]];
    id anArray = [[NSMutableArray alloc] init];
#pragma unused(mock, anArray)
}


- (void)testForwardsIsKindOfClass
{
    id mock = [OCMockObject mockForClass:[NSString class]];
    XCTAssertTrue([mock isKindOfClass:[NSString class]], @"Should have pretended to be the mocked class.");
}


- (void)testWorksWithTypeQualifiers
{
    id myMock = [OCMockObject mockForClass:[TestClassWithTypeQualifierMethod class]];

    XCTAssertNoThrow([[myMock expect] aSpecialMethod:"foo"], @"Should not complain about method with type qualifiers.");
    XCTAssertNoThrow([myMock aSpecialMethod:"foo"], @"Should not complain about method with type qualifiers.");
}

- (void)testWorksWithTypedefsToObjects
{
    id myMock = [OCMockObject mockForClass:[TestClassWithTypedefObjectArgument class]];
    [[[myMock stub] andReturn:@"stubbed"] stringForTypedef:[OCMArg any]];
    id actualReturn = [myMock stringForTypedef:@"Some arg that shouldn't matter"];
    XCTAssertEqualObjects(actualReturn, @"stubbed", @"Should have matched invocation.");
}


#if 0 // can't test this with ARC
- (void)testAdjustsRetainCountWhenStubbingMethodsThatCreateObjects
{
    id mock = [OCMockObject mockForClass:[NSString class]];
    NSString *objectToReturn = [NSString stringWithFormat:@"This is not a %@.", @"string constant"];
#pragma clang diagnostic push
#pragma ide diagnostic ignored "NotReleasedValue"
    [[[mock stub] andReturn:objectToReturn] mutableCopy];
#pragma clang diagnostic pop

    NSUInteger retainCountBefore = [objectToReturn retainCount];
    id returnedObject = [mock mutableCopy];
    [returnedObject release]; // the expectation is that we have to call release after a copy
    NSUInteger retainCountAfter = [objectToReturn retainCount];

    XCTAssertEqualObjects(objectToReturn, returnedObject, @"Should have stubbed copy method");
    XCTAssertEqual(retainCountBefore, retainCountAfter, @"Should have incremented retain count in copy stub.");
}
#endif

- (void)testComplainsWhenUnimplementedMethodIsCalled
{
    id mock = [OCMockObject mockForClass:[NSString class]];
    XCTAssertThrowsSpecificNamed([mock performSelector:@selector(sortedArrayHint)], NSException, NSInvalidArgumentException);
}

- (void)testComplainsWhenAttemptIsMadeToStubInitMethod
{
    id mock = [OCMockObject mockForClass:[NSString class]];
    XCTAssertThrows([[[mock stub] init] andReturn:nil]);
}

- (void)testComplainsWhenAttemptIsMadeToStubInitMethodViaMacro
{
    id mock = [OCMockObject mockForClass:[NSString class]];
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-value"
    XCTAssertThrows(OCMStub([mock init]));
#pragma clang diagnostic pop
}


- (void)testMockShouldNotRaiseWhenDescribing
{
    id mock = [OCMockObject mockForClass:[NSObject class]];

    XCTAssertNoThrow(NSLog(@"Testing description handling dummy methods... %@ %@ %@ %@ %@",
            @{@"foo": mock},
            @[mock],
            [NSSet setWithObject:mock],
            [mock description],
            mock),
                    @"asking for the description of a mock shouldn't cause a test to fail.");
}


- (void)testPartialMockShouldNotRaiseWhenDescribing
{
    id mock = [OCMockObject partialMockForObject:[[NSObject alloc] init]];

    XCTAssertNoThrow(NSLog(@"Testing description handling dummy methods... %@ %@ %@ %@ %@",
            @{@"bar": mock},
            @[mock],
            [NSSet setWithObject:mock],
            [mock description],
            mock),
                    @"asking for the description of a mock shouldn't cause a test to fail.");
    [mock stopMocking];
}


- (void)testWeakReferencesShouldStayAround
{
    TestClassWithDelegate *object = [TestClassWithDelegate new];

    TestDelegate *delegate = [TestDelegate new];
    object.delegate = delegate;
    XCTAssertNotNil(object.delegate, @"Should have delegate");

    id mockDelegate = OCMPartialMock(delegate);
    XCTAssertNotNil(object.delegate, @"Should still have delegate");

    [object run];

    OCMVerify([mockDelegate go]);
    XCTAssertNotNil(object.delegate, @"Should still have delegate");
}


- (void)testDynamicSubclassesShouldBeDisposed
{
    int numClassesBefore = objc_getClassList(NULL, 0);

    id mock = [OCMockObject mockForClass:[TestDelegate class]];
    [mock stopMocking];

    int numClassesAfter = objc_getClassList(NULL, 0);
    XCTAssertEqual(numClassesBefore, numClassesAfter, @"Should have disposed dynamically generated classes.");
}


- (void)testClassesWithResolveMethodsCanBeMocked
{
    // If this test fails it will crash due to recursion.
    __unused id mock = OCMClassMock([TestClassWithResolveMethods class]);
}

- (void)testWithClassesWithResolveMethodSimilarToCALayer
{
    // If this test fails it will crash.
    TestClassWithResolveMethodsLikeCALayer *object = [[TestClassWithResolveMethodsLikeCALayer alloc] init];
    __unused id mock = OCMPartialMock(object);
}


#pragma mark verify mocks work properly when mocking init

- (void)testPartialMockNestedInitReturnsCorrectSelfAndDoesntLeak
{
    __weak id controlRefForMock;
    __weak id controlRefForRealObject;
    @autoreleasepool
    {
        TestClassWithInitMethod *realObject = [TestClassWithInitMethod alloc];
        controlRefForRealObject = realObject;
        id mock = [OCMockObject partialMockForObject:realObject];
        controlRefForMock = mock;

        // Intentionally comparing pointers in all assertions below.

        XCTAssertEqual(mock, [mock initMethodNotCalledJustInit]);
        XCTAssertEqual(realObject, [realObject initMethodNotCalledJustInit], @"No Stub, so realObject should be returned");

        __unused id value = [[[mock stub] andReturn:mock] initMethodNotCalledJustInit];

        XCTAssertEqual(mock, [mock initMethodWithNestedInit]);
        XCTAssertEqual(mock, [realObject initMethodWithNestedInit], @"Stubbed, so mock should be returned");
    }
    XCTAssertNil(controlRefForMock, @"Mock should not be leaked.");
    XCTAssertNil(controlRefForRealObject, @"Real object should not be leaked.");
}

- (void)testPartialMockNestedInitReturnsCorrectSelfAndDoesntLeakWithMacro
{
    __weak id controlRefForMock;
    __weak id controlRefForRealObject;
    @autoreleasepool
    {
        TestClassWithInitMethod *realObject = [TestClassWithInitMethod alloc];
        controlRefForRealObject = realObject;
        id mock = [OCMockObject partialMockForObject:realObject];
        controlRefForMock = mock;

        // Intentionally comparing pointers in all assertions below.

        XCTAssertEqual(mock, [mock initMethodNotCalledJustInit]);
        XCTAssertEqual(realObject, [realObject initMethodNotCalledJustInit], @"No Stub, so realObject should be returned");

        OCMStub([mock initMethodNotCalledJustInit]).andReturn(mock);

        XCTAssertEqual(mock, [mock initMethodWithNestedInit]);
        XCTAssertEqual(mock, [realObject initMethodWithNestedInit], @"Stubbed, so mock should be returned");
    }
    XCTAssertNil(controlRefForMock, @"Mock should not be leaked.");
    XCTAssertNil(controlRefForRealObject, @"Real object should not be leaked.");
}

- (void)testInitStubReturningDifferentObjectDoesntLeak
{
    __weak id controlRefForMock;
    __weak id controlRefForRealObject;
    @autoreleasepool
    {
        TestClassWithInitMethod *realObject = [[TestClassWithInitMethod alloc] init];
        controlRefForRealObject = realObject;
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        controlRefForMock = mock;
        __unused id value = [[[mock stub] andReturn:realObject] initMethodNotCalledJustInit];
        XCTAssertEqualObjects(realObject, [mock initMethodNotCalledJustInit], @"Mock should return stubbed object.");
    }
    XCTAssertNil(controlRefForMock, @"Mock should not be leaked.");
    XCTAssertNil(controlRefForRealObject, @"Real object should not be leaked.");
}

- (void)testInitStubReturningDifferentObjectDoesntLeakWithMacro
{
    __weak id controlRefForMock;
    __weak id controlRefForRealObject;
    @autoreleasepool
    {
        TestClassWithInitMethod *realObject = [[TestClassWithInitMethod alloc] init];
        controlRefForRealObject = realObject;
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        controlRefForMock = mock;
        OCMStub([mock initMethodNotCalledJustInit]).andReturn(realObject);
        XCTAssertEqualObjects(realObject, [mock initMethodNotCalledJustInit], @"Mock should return stubbed object.");
    }
    XCTAssertNil(controlRefForMock, @"Mock should not be leaked.");
    XCTAssertNil(controlRefForRealObject, @"Real object should not be leaked.");
}

- (void)testInitStubWithNoReturnValueSetDoesntLeak
{
    __weak id controlRef;
    @autoreleasepool
    {
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        controlRef = mock;
        __unused id value = [[mock stub] initMethodNotCalledJustInit];
    }
    XCTAssertNil(controlRef, @"Mock should not be leaked.");
}

- (void)testInitStubWithNoReturnValueSetDoesntLeakWithMacro
{
    __weak id controlRef;
    @autoreleasepool
    {
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        controlRef = mock;
        OCMStub([mock initMethodNotCalledJustInit]);
    }
    XCTAssertNil(controlRef, @"Mock should not be leaked.");
}

- (void)testInitStubWithNoReturnValueSetThrowsWhenCalled
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    __unused id value = [[mock stub] initMethodNotCalledJustInit];
    XCTAssertThrowsSpecificNamed([mock initMethodNotCalledJustInit], NSException, NSInvalidArgumentException);
}

- (void)testInitStubWithNoReturnValueSetThrowsWhenCalledWithMacro
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    OCMStub([mock initMethodNotCalledJustInit]);
    XCTAssertThrowsSpecificNamed([mock initMethodNotCalledJustInit], NSException, NSInvalidArgumentException);
}

- (void)testInitAndDoDoesntLeakOrCrash
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        TestClassWithInitMethod *obj = OCMClassMock([TestClassWithInitMethod class]);
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        OCMStub([mock initMethodNotCalledJustInit]).andDo(^(NSInvocation *invocation) {
            [invocation setReturnValue:(void *)&obj];
        });
        id local = [mock initMethodNotCalledJustInit];
        XCTAssertEqual(local, obj);
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testInitAndDoChangeTargetDoesntLeakOrCrash
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        TestClassWithInitMethod *obj = [TestClassWithInitMethod alloc];
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        OCMStub([mock initMethodNotCalledJustInit]).andDo(^(NSInvocation *invocation) {
            [invocation setTarget:obj];
            [invocation invoke];
        });
        id local = [mock initMethodNotCalledJustInit];
        XCTAssertEqual(local, obj);
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testInitAndForwardToRealObjectDoesntLeak
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        id obj = [[TestClassWithInitMethod alloc] init];
        id mock = OCMPartialMock(obj);
        OCMStub([mock initMethodNotCalledJustInit]).andForwardToRealObject();
        id local = [mock initMethodNotCalledJustInit];
        XCTAssertEqual(local, obj);
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}


- (void)testAllocAndDoDoesntLeakOrCrash
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        TestClassWithInitMethod *obj = [[TestClassWithInitMethod alloc] init];
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        OCMStub([mock alloc]).andDo(^(NSInvocation *invocation) {
            [invocation setReturnValue:(void *)&obj];
        });
        id local = [TestClassWithInitMethod alloc];
        XCTAssertEqual(local, obj);
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testAllocAndForwardToRealObjectDoesntLeak
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        OCMStub([mock alloc]).andForwardToRealObject();
        id local = [TestClassWithInitMethod alloc];
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testAllocStubWithNoReturnValueSetThrowsWhenCalled
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    __unused id value = [[mock stub] alloc];
    XCTAssertThrowsSpecificNamed([mock alloc], NSException, NSInvalidArgumentException);
}

- (void)testAllocStubWithNoReturnValueSetThrowsWhenCalledWithMacro
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    OCMStub([mock alloc]);
    XCTAssertThrowsSpecificNamed([mock alloc], NSException, NSInvalidArgumentException);
}

- (void)testNewAndDoDoesntLeakOrCrash
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        TestClassWithInitMethod *obj = [[TestClassWithInitMethod alloc] init];
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        OCMStub([mock new]).andDo(^(NSInvocation *invocation) {
            [invocation setReturnValue:(void *)&obj];
        });
        id local = [TestClassWithInitMethod new];
        XCTAssertEqual(local, obj);
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testNewAndForwardToRealObjectDoesntLeak
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        OCMStub([mock new]).andForwardToRealObject();
        id local = [TestClassWithInitMethod new];
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testNewStubWithNoReturnValueSetThrowsWhenCalled
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    __unused id value = [[mock stub] new];
    XCTAssertThrowsSpecificNamed([mock new], NSException, NSInvalidArgumentException);
}

- (void)testNewStubWithNoReturnValueSetThrowsWhenCalledWithMacro
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    OCMStub([mock new]);
    XCTAssertThrowsSpecificNamed([mock new], NSException, NSInvalidArgumentException);
}

- (void)testMutableCopyAndDoDoesntLeakOrCrash
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        TestClassWithInitMethod *obj = [[TestClassWithInitMethod alloc] init];
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        OCMStub([mock mutableCopy]).andDo(^(NSInvocation *invocation) {
            [invocation setReturnValue:(void *)&obj];
        });
        id local = [mock mutableCopy];
        XCTAssertEqual(local, obj);
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testMutableCopyAndForwardToRealObjectDoesntLeak
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        id obj = [[TestClassWithCopyImplementations alloc] init];
        id mock = OCMPartialMock(obj);
        OCMStub([mock mutableCopy]).andForwardToRealObject();
        id local = [obj mutableCopy];
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testMutableCopyStubWithNoReturnValueSetThrowsWhenCalled
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    __unused id value = [[mock stub] mutableCopy];
    XCTAssertThrowsSpecificNamed([mock mutableCopy], NSException, NSInvalidArgumentException);
}

- (void)testMutableCopyStubWithNoReturnValueSetThrowsWhenCalledWithMacro
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    OCMStub([mock mutableCopy]);
    XCTAssertThrowsSpecificNamed([mock mutableCopy], NSException, NSInvalidArgumentException);
}

- (void)testCopyAndDoDoesntLeakOrCrash
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        TestClassWithInitMethod *obj = [[TestClassWithInitMethod alloc] init];
        id mock = OCMClassMock([TestClassWithInitMethod class]);
        OCMStub([mock copy]).andDo(^(NSInvocation *invocation) {
            [invocation setReturnValue:(void *)&obj];
        });
        id local = [mock copy];
        XCTAssertEqual(local, obj);
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testCopyAndForwardToRealObjectDoesntLeak
{
    __weak id weakObj;
    __weak id weakMock;
    @autoreleasepool
    {
        id obj = [[TestClassWithCopyImplementations alloc] init];
        id mock = OCMPartialMock(obj);
        OCMStub([mock copy]).andForwardToRealObject();
        id local = [obj copy];
        weakObj = local;
        weakMock = mock;
        XCTAssertNotNil(weakObj);
        XCTAssertNotNil(weakMock);
    }
    XCTAssertNil(weakObj, @"obj should not be leaked.");
    XCTAssertNil(weakMock, @"mock should not be leaked.");
}

- (void)testCopyStubWithNoReturnValueSetThrowsWhenCalled
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    __unused id value = [[mock stub] copy];
    XCTAssertThrowsSpecificNamed([mock copy], NSException, NSInvalidArgumentException);
}

- (void)testCopyStubWithNoReturnValueSetThrowsWhenCalledWithMacro
{
    id mock = OCMClassMock([TestClassWithInitMethod class]);
    OCMStub([mock copy]);
    XCTAssertThrowsSpecificNamed([mock copy], NSException, NSInvalidArgumentException);
}

// TODO: Verify intent of this test added in #391
//- (void)testInitStubWithRejectMacro {
//  id mock = OCMClassMock([TestClassWithInitMethod class]);
//  OCMReject([mock initMethodNotCalledJustInit]);
//}

@end