diff options
Diffstat (limited to 'tests/auto/corelib/platform/windows')
3 files changed, 290 insertions, 0 deletions
diff --git a/tests/auto/corelib/platform/windows/CMakeLists.txt b/tests/auto/corelib/platform/windows/CMakeLists.txt new file mode 100644 index 0000000000..24b2a69a0e --- /dev/null +++ b/tests/auto/corelib/platform/windows/CMakeLists.txt @@ -0,0 +1,4 @@ +# Copyright (C) 2023 The Qt Company Ltd. +# SPDX-License-Identifier: BSD-3-Clause + +add_subdirectory(qcomobject) diff --git a/tests/auto/corelib/platform/windows/qcomobject/CMakeLists.txt b/tests/auto/corelib/platform/windows/qcomobject/CMakeLists.txt new file mode 100644 index 0000000000..9cdd6b57bc --- /dev/null +++ b/tests/auto/corelib/platform/windows/qcomobject/CMakeLists.txt @@ -0,0 +1,19 @@ +# Copyright (C) 2023 The Qt Company Ltd. +# SPDX-License-Identifier: BSD-3-Clause + +##################################################################### +## tst_qcomobject Test: +##################################################################### + +if(NOT QT_BUILD_STANDALONE_TESTS AND NOT QT_BUILDING_QT) + cmake_minimum_required(VERSION 3.16) + project(tst_qcomobject LANGUAGES CXX) + find_package(Qt6BuildInternals REQUIRED COMPONENTS STANDALONE_TEST) +endif() + +qt_internal_add_test(tst_qcomobject + SOURCES + tst_qcomobject.cpp + LIBRARIES + Qt::CorePrivate +) diff --git a/tests/auto/corelib/platform/windows/qcomobject/tst_qcomobject.cpp b/tests/auto/corelib/platform/windows/qcomobject/tst_qcomobject.cpp new file mode 100644 index 0000000000..3c609238fc --- /dev/null +++ b/tests/auto/corelib/platform/windows/qcomobject/tst_qcomobject.cpp @@ -0,0 +1,267 @@ +// Copyright (C) 2023 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only + +#include <QTest> + +#ifdef Q_OS_WIN + +# include <private/qcomobject_p.h> + +# include <wrl/client.h> + +using Microsoft::WRL::ComPtr; + +QT_BEGIN_NAMESPACE + +template <typename T, typename... Args> +ComPtr<T> makeComObject(Args &&...args) +{ + ComPtr<T> p; + // Don't use Attach because of MINGW64 bug + // #892 Microsoft::WRL::ComPtr::Attach leaks references + *p.GetAddressOf() = new T(std::forward<Args>(args)...); + return p; +} + +MIDL_INTERFACE("878fab04-7da0-41ea-9c49-058c7fa0d80a") +IIntermediate : public IUnknown{}; + +MIDL_INTERFACE("65a29ce9-191c-4182-9185-06dd70aafc5d") +IDirect : public IIntermediate{}; + +class ComImplementation : public QComObject<IDirect> +{ +}; + +MIDL_INTERFACE("d05397e0-da7f-4055-8563-a5b80f095e6c") +IMultipleA : public IUnknown{}; + +MIDL_INTERFACE("67e298c5-ec5f-4c45-a779-bfba2484e142") +IMultipleB : public IUnknown{}; + +class MultipleComImplementation : public QComObject<IMultipleA, IMultipleB> +{ +}; + +MIDL_INTERFACE("b8278a1b-0c3b-4bbd-99db-1e8a141483fa") +IOther : public IUnknown{}; + +# ifdef __CRT_UUID_DECL +__CRT_UUID_DECL(IIntermediate, 0x878fab04, 0x7da0, 0x41ea, 0x9c, 0x49, 0x05, 0x8c, 0x7f, 0xa0, 0xd8, + 0x0a) +__CRT_UUID_DECL(IDirect, 0x65a29ce9, 0x191c, 0x4182, 0x91, 0x85, 0x06, 0xdd, 0x70, 0xaa, 0xfc, 0x5d) +__CRT_UUID_DECL(IMultipleA, 0xd05397e0, 0xda7f, 0x4055, 0x85, 0x63, 0xa5, 0xb8, 0x0f, 0x09, 0x5e, + 0x6c) +__CRT_UUID_DECL(IMultipleB, 0x67e298c5, 0xec5f, 0x4c45, 0xa7, 0x79, 0xbf, 0xba, 0x24, 0x84, 0xe1, + 0x42) +__CRT_UUID_DECL(IOther, 0xb8278a1b, 0x0c3b, 0x4bbd, 0x99, 0xdb, 0x1e, 0x8a, 0x14, 0x14, 0x83, 0xfa) +# endif + +namespace QtPrivate { + +template <> +struct QComObjectTraits<IDirect> +{ + static constexpr bool isGuidOf(REFIID riid) noexcept + { + return QComObjectTraits<IDirect, IIntermediate>::isGuidOf(riid); + } +}; + +} // namespace QtPrivate +QT_END_NAMESPACE + +class tst_QComObject : public QObject +{ + Q_OBJECT +private slots: + void QueryInterface_returnsConvertedPointer_whenIUnknownIsRequested(); + void QueryInterface_returnsConvertedPointer_whenDirectParentIsRequested(); + void QueryInterface_returnsConvertedPointer_whenDirectIntermediateIsRequested(); + void QueryInterface_returnsConvertedPointer_whenIUnknownOfMultipleParentsIsRequested(); + void QueryInterface_returnsConvertedPointer_whenFirstOfMultipleParentsIsRequested(); + void QueryInterface_returnsConvertedPointer_whenSecondOfMultipleParentsIsRequested(); + void QueryInterface_returnsNullPointer_whenNonParentIsRequested(); + void QueryInterface_returnsNullPointer_whenNullPointerIsPassedForReceivingObject(); + void QueryInterface_incrementsReferenceCount_whenConvertedPointerIsReturned(); + void AddRef_incrementsReferenceCountByOne(); + void Release_decrementsReferenceCountByOne(); +}; + +void tst_QComObject::QueryInterface_returnsConvertedPointer_whenIUnknownIsRequested() +{ + // Arrange + const ComPtr<ComImplementation> implementation = makeComObject<ComImplementation>(); + + ComPtr<IUnknown> unknown; + + // Act + const HRESULT queryResult = implementation->QueryInterface(__uuidof(IUnknown), &unknown); + + // Assert + QCOMPARE(queryResult, S_OK); + QCOMPARE(unknown.Get(), implementation.Get()); +} + +void tst_QComObject::QueryInterface_returnsConvertedPointer_whenDirectParentIsRequested() +{ + // Arrange + const ComPtr<ComImplementation> implementation = makeComObject<ComImplementation>(); + + ComPtr<IDirect> direct; + + // Act + const HRESULT queryResult = implementation->QueryInterface(__uuidof(IDirect), &direct); + + // Assert + QCOMPARE(queryResult, S_OK); + QCOMPARE(direct.Get(), implementation.Get()); +} + +void tst_QComObject::QueryInterface_returnsConvertedPointer_whenDirectIntermediateIsRequested() +{ + // Arrange + const ComPtr<ComImplementation> implementation = makeComObject<ComImplementation>(); + + ComPtr<IIntermediate> intermediate; + + // Act + const HRESULT queryResult = + implementation->QueryInterface(__uuidof(IIntermediate), &intermediate); + + // Assert + QCOMPARE(queryResult, S_OK); + QCOMPARE(intermediate.Get(), implementation.Get()); +} + +void tst_QComObject:: + QueryInterface_returnsConvertedPointer_whenIUnknownOfMultipleParentsIsRequested() +{ + // Arrange + const ComPtr<MultipleComImplementation> implementation = + makeComObject<MultipleComImplementation>(); + + ComPtr<IUnknown> unknown; + + // Act + const HRESULT queryResult = implementation->QueryInterface(__uuidof(IUnknown), &unknown); + + // Assert + QCOMPARE(queryResult, S_OK); + + // Cast MultipleComImplementation to IMultipleA to prevent ambiguity + QCOMPARE(unknown.Get(), static_cast<IMultipleA *>(implementation.Get())); +} + +void tst_QComObject::QueryInterface_returnsConvertedPointer_whenFirstOfMultipleParentsIsRequested() +{ + // Arrange + const ComPtr<MultipleComImplementation> implementation = + makeComObject<MultipleComImplementation>(); + + ComPtr<IMultipleA> multiple; + + // Act + const HRESULT queryResult = implementation->QueryInterface(__uuidof(IMultipleA), &multiple); + + // Assert + QCOMPARE(queryResult, S_OK); + QCOMPARE(multiple.Get(), implementation.Get()); +} + +void tst_QComObject::QueryInterface_returnsConvertedPointer_whenSecondOfMultipleParentsIsRequested() +{ + // Arrange + const ComPtr<MultipleComImplementation> implementation = + makeComObject<MultipleComImplementation>(); + + ComPtr<IMultipleB> multiple; + + // Act + const HRESULT queryResult = implementation->QueryInterface(__uuidof(IMultipleB), &multiple); + + // Assert + QCOMPARE(queryResult, S_OK); + QCOMPARE(multiple.Get(), implementation.Get()); +} + +void tst_QComObject::QueryInterface_returnsNullPointer_whenNonParentIsRequested() +{ + // Arrange + const ComPtr<ComImplementation> implementation = makeComObject<ComImplementation>(); + + ComPtr<IOther> other; + + // Act + const HRESULT queryResult = implementation->QueryInterface(__uuidof(IOther), &other); + + // Assert + QCOMPARE(queryResult, E_NOINTERFACE); + QCOMPARE(other.Get(), nullptr); +} + +void tst_QComObject::QueryInterface_returnsNullPointer_whenNullPointerIsPassedForReceivingObject() +{ + // Arrange + const ComPtr<ComImplementation> implementation = makeComObject<ComImplementation>(); + + // Act + const HRESULT queryResult = implementation->QueryInterface(__uuidof(IUnknown), nullptr); + + // Assert + QCOMPARE(queryResult, E_POINTER); +} + +void tst_QComObject::QueryInterface_incrementsReferenceCount_whenConvertedPointerIsReturned() +{ + // Arrange + const ComPtr<ComImplementation> implementation = makeComObject<ComImplementation>(); + + ComPtr<IUnknown> unknown; + + // Act + implementation->QueryInterface(__uuidof(IUnknown), &unknown); + + // As there's no any way to get the current reference count of an object, just add one more + // reference and assert against cumulative reference count value + const ULONG referenceCount = implementation->AddRef(); + + // Assert + QCOMPARE(referenceCount, 3); +} + +void tst_QComObject::AddRef_incrementsReferenceCountByOne() +{ + // Arrange + const ComPtr<ComImplementation> implementation = makeComObject<ComImplementation>(); + + // Act + const ULONG referenceCount1 = implementation->AddRef(); + const ULONG referenceCount2 = implementation->AddRef(); + + // Assert + QCOMPARE(referenceCount1, 2); + QCOMPARE(referenceCount2, 3); +} + +void tst_QComObject::Release_decrementsReferenceCountByOne() +{ + // Arrange + const ComPtr<ComImplementation> implementation = makeComObject<ComImplementation>(); + + implementation->AddRef(); + implementation->AddRef(); + + // Act + const ULONG referenceCount1 = implementation->Release(); + const ULONG referenceCount2 = implementation->Release(); + + // Assert + QCOMPARE(referenceCount1, 2); + QCOMPARE(referenceCount2, 1); +} + +QTEST_MAIN(tst_QComObject) +# include "tst_qcomobject.moc" + +#endif // Q_OS_WIN |