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-rw-r--r--sal/qa/systools/test_comtools.cxx239
1 files changed, 239 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..694a4a665
--- /dev/null
+++ b/sal/qa/systools/test_comtools.cxx
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+/* -*- 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>
+
+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()
+ {
+ try
+ {
+ sal::systools::COMReference<IUnknown> r1 = comObjectSource();
+ sal::systools::COMReference<IUnknown> r2 = r1.QueryInterface<IUnknown>(IID_IUnknown);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE("Wrong reference count, 2 is expected", ULONG(2), reinterpret_cast<COMObject*>(r2.get())->GetRefCount());
+ }
+ catch(const sal::systools::ComError&)
+ {
+ CPPUNIT_ASSERT_MESSAGE("Exception should not have been thrown", false);
+ }
+ }
+
+ void test_query_interface_throw()
+ {
+ try
+ {
+ sal::systools::COMReference<IUnknown> r1 = comObjectSource();
+ sal::systools::COMReference<IPersistFile> r2 = r1.QueryInterface<IPersistFile>(IID_IPersistFile);
+ }
+ catch(const sal::systools::ComError&)
+ {
+ return;
+ }
+ CPPUNIT_ASSERT_MESSAGE("Exception should have been thrown", false);
+ }
+
+ // 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_SUITE_END();
+ };
+
+CPPUNIT_TEST_SUITE_REGISTRATION(test_comtools::test_COMReference);
+
+} // namespace rtl_OUString
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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