Tools/TestWebKitAPI/Tests/WTF/ns/RetainPtr.mm

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#include "config.h"

#include <wtf/RetainPtr.h>

namespace TestWebKitAPI {

TEST(RetainPtr, AdoptNS)
{
    RetainPtr<NSObject> foo = adoptNS([[NSObject alloc] init]);

    EXPECT_EQ(1, CFGetRetainCount(foo.get()));
}

TEST(RetainPtr, MoveAssignmentFromSameType)
{
    NSString *string = @"foo";
    RetainPtr<NSString> ptr;

    // This should invoke RetainPtr's move assignment operator.
    // FIXME: This doesn't actually test that we moved the value. We should use a mock
    // NSObject that logs -retain and -release calls.
    ptr = RetainPtr<NSString>(string);

    EXPECT_EQ(string, ptr);

    ptr = 0;
    RetainPtr<NSString> temp = string;

    // This should invoke RetainPtr's move assignment operator.
    ptr = WTFMove(temp);

    EXPECT_EQ(string, ptr);
    EXPECT_EQ((NSString *)0, temp);
}

TEST(RetainPtr, MoveAssignmentFromSimilarType)
{
    NSMutableString *string = [NSMutableString stringWithUTF8String:"foo"];
    RetainPtr<NSString> ptr;

    // This should invoke RetainPtr's move assignment operator.
    // FIXME: This doesn't actually test that we moved the value. We should use a mock
    // NSObject that logs -retain and -release calls.
    ptr = RetainPtr<NSMutableString>(string);

    EXPECT_EQ(string, ptr);

    ptr = 0;
    RetainPtr<NSMutableString> temp = string;

    // This should invoke RetainPtr's move assignment operator.
    ptr = WTFMove(temp);

    EXPECT_EQ(string, ptr);
    EXPECT_EQ((NSString *)0, temp);
}

TEST(RetainPtr, ConstructionFromSameType)
{
    NSString *string = @"foo";

    // This should invoke RetainPtr's move constructor.
    // FIXME: This doesn't actually test that we moved the value. We should use a mock
    // NSObject that logs -retain and -release calls.
    RetainPtr<NSString> ptr = RetainPtr<NSString>(string);

    EXPECT_EQ(string, ptr);

    RetainPtr<NSString> temp = string;

    // This should invoke RetainPtr's move constructor.
    RetainPtr<NSString> ptr2(WTFMove(temp));

    EXPECT_EQ(string, ptr2);
    EXPECT_EQ((NSString *)0, temp);
}

TEST(RetainPtr, ConstructionFromSimilarType)
{
    NSMutableString *string = [NSMutableString stringWithUTF8String:"foo"];

    // This should invoke RetainPtr's move constructor.
    // FIXME: This doesn't actually test that we moved the value. We should use a mock
    // NSObject that logs -retain and -release calls.
    RetainPtr<NSString> ptr = RetainPtr<NSMutableString>(string);

    EXPECT_EQ(string, ptr);

    RetainPtr<NSMutableString> temp = string;

    // This should invoke RetainPtr's move constructor.
    RetainPtr<NSString> ptr2(WTFMove(temp));

    EXPECT_EQ(string, ptr2);
    EXPECT_EQ((NSString *)0, temp);
}

} // namespace TestWebKitAPI