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Diffstat (limited to 'sal/qa/systools/test_comtools.cxx')
| -rw-r--r-- | sal/qa/systools/test_comtools.cxx | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/sal/qa/systools/test_comtools.cxx b/sal/qa/systools/test_comtools.cxx new file mode 100644 index 000000000..073bb79ec --- /dev/null +++ b/sal/qa/systools/test_comtools.cxx @@ -0,0 +1,247 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you 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 . + */ + +#include <cppunit/extensions/HelperMacros.h> +#include <cppunit/plugin/TestPlugIn.h> +#include <systools/win32/comtools.hxx> +#include <shobjidl.h> + +namespace { + +class COMObject : public IUnknown +{ +public: + COMObject() : ref_count_(0) + { + } + + virtual ~COMObject() + { + } + + ULONG __stdcall AddRef() override + { + ref_count_++; + return ref_count_; + } + + ULONG __stdcall Release() override + { + ULONG cnt = --ref_count_; + if (cnt == 0) + delete this; + return cnt; + } + + HRESULT __stdcall QueryInterface(REFIID riid, void** ppv) override + { + if (riid == IID_IUnknown) + { + AddRef(); + *ppv = this; + return S_OK; + } + return E_NOINTERFACE; + } + + ULONG GetRefCount() const + { + return ref_count_; + } + +private: + ULONG ref_count_; +}; + +} + +static sal::systools::COMReference<IUnknown> comObjectSource() +{ + return sal::systools::COMReference<IUnknown>(new COMObject); +} + +static bool comObjectSink(sal::systools::COMReference<IUnknown> r, ULONG expectedRefCountOnReturn) +{ + r = sal::systools::COMReference<IUnknown>(); + COMObject* p = reinterpret_cast<COMObject*>(r.get()); + if (p) + return (p->GetRefCount() == expectedRefCountOnReturn); + else + return (0 == expectedRefCountOnReturn); +} + +static void comObjectSource2(LPVOID* ppv) +{ + COMObject* p = new COMObject; + p->AddRef(); + *ppv = p; +} + +namespace test_comtools +{ + + class test_COMReference : public CppUnit::TestFixture + { + + public: + /// test of COMReference<IUnknown> r; + void default_ctor() + { + sal::systools::COMReference<IUnknown> r; + CPPUNIT_ASSERT_EQUAL_MESSAGE("COMReference should be empty", static_cast<IUnknown *>(nullptr), r.get()); + } + + void test_ctor_manual_AddRef() + { + COMObject* p = new COMObject; + p->AddRef(); + sal::systools::COMReference<IUnknown> r(p, false); + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount()); + } + + void test_copy_ctor() + { + sal::systools::COMReference<IUnknown> r(comObjectSource()); + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount()); + } + + void test_copy_assignment() + { + sal::systools::COMReference<IUnknown> r; + CPPUNIT_ASSERT_EQUAL_MESSAGE("COMReference should be empty", static_cast<IUnknown *>(nullptr), r.get()); + + r = comObjectSource(); + CPPUNIT_ASSERT_MESSAGE("COMReference should be empty", r.get() != nullptr); + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount()); + } + + void test_ref_to_ref_assignment() + { + sal::systools::COMReference<IUnknown> r1 = comObjectSource(); + sal::systools::COMReference<IUnknown> r2 = r1; + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 2 is expected", ULONG(2), reinterpret_cast<COMObject*>(r2.get())->GetRefCount()); + } + + void test_pointer_to_ref_assignment() + { + sal::systools::COMReference<IUnknown> r; + r = new COMObject; + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount()); + } + + void test_pointer_to_ref_assignment2() + { + sal::systools::COMReference<IUnknown> r = comObjectSource(); + r = new COMObject; + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount()); + } + + void test_source_sink() + { + CPPUNIT_ASSERT_MESSAGE("Wrong reference count, 0 is expected", comObjectSink(comObjectSource(), 0)); + } + + void test_address_operator() + { + sal::systools::COMReference<IUnknown> r; + comObjectSource2(reinterpret_cast<LPVOID*>(&r)); + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count, 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount()); + } + + void test_address_operator2() + { + sal::systools::COMReference<IUnknown> r1 = comObjectSource(); + sal::systools::COMReference<IUnknown> r2 = r1; + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 2 is expected", ULONG(2), reinterpret_cast<COMObject*>(r2.get())->GetRefCount()); + comObjectSource2(reinterpret_cast<LPVOID*>(&r1)); + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r1.get())->GetRefCount()); + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r2.get())->GetRefCount()); + } + + void test_clear() + { + sal::systools::COMReference<IUnknown> r = comObjectSource(); + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count 1 is expected", ULONG(1), reinterpret_cast<COMObject*>(r.get())->GetRefCount()); + r.clear(); + CPPUNIT_ASSERT_MESSAGE("Expect reference to be empty", !r.is()); + } + + void test_query_interface() + { + sal::systools::COMReference<IUnknown> r1 = comObjectSource(); + sal::systools::COMReference<IUnknown> r2; + CPPUNIT_ASSERT_NO_THROW_MESSAGE( + "Exception should not have been thrown", + r2 = r1.QueryInterface<IUnknown>(sal::systools::COM_QUERY_THROW)); + CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count, 2 is expected", ULONG(2), + reinterpret_cast<COMObject*>(r2.get())->GetRefCount()); + } + + void test_query_interface_throw() + { + sal::systools::COMReference<IUnknown> r1 = comObjectSource(); + CPPUNIT_ASSERT_THROW_MESSAGE("Exception should have been thrown", + auto r2 = r1.QueryInterface<IPersistFile>(sal::systools::COM_QUERY_THROW), + sal::systools::ComError); + } + + void test_CoCreateInstance() + { + if (FAILED(CoInitialize(nullptr))) + return; + { + // Use scope to destroy the reference before calling CoUninitialize + sal::systools::COMReference<IFileOpenDialog> r; + CPPUNIT_ASSERT_NO_THROW(r.CoCreateInstance(__uuidof(FileOpenDialog))); + // Immediately after CoCreateInstance, refcount must be 1; increasing once gives 2 + CPPUNIT_ASSERT_EQUAL(ULONG(2), r->AddRef()); + r->Release(); + } + CoUninitialize(); + } + + // Change the following lines only, if you add, remove or rename + // member functions of the current class, + // because these macros are need by auto register mechanism. + + CPPUNIT_TEST_SUITE(test_COMReference); + CPPUNIT_TEST(default_ctor); + CPPUNIT_TEST(test_ctor_manual_AddRef); + CPPUNIT_TEST(test_copy_ctor); + CPPUNIT_TEST(test_copy_assignment); + CPPUNIT_TEST(test_ref_to_ref_assignment); + CPPUNIT_TEST(test_pointer_to_ref_assignment); + CPPUNIT_TEST(test_pointer_to_ref_assignment2); + CPPUNIT_TEST(test_source_sink); + CPPUNIT_TEST(test_address_operator); + CPPUNIT_TEST(test_address_operator2); + CPPUNIT_TEST(test_clear); + CPPUNIT_TEST(test_query_interface); + CPPUNIT_TEST(test_query_interface_throw); + CPPUNIT_TEST(test_CoCreateInstance); + CPPUNIT_TEST_SUITE_END(); + }; + +CPPUNIT_TEST_SUITE_REGISTRATION(test_comtools::test_COMReference); + +} // namespace rtl_OUString + +CPPUNIT_PLUGIN_IMPLEMENT(); + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |