Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 263 insertions, 0 deletions

diff --git a/o3tl/qa/test-cow_wrapper.cxx b/o3tl/qa/test-cow_wrapper.cxx
new file mode 100644
index 000000000..b5d4936d5
--- /dev/null
+++ b/o3tl/qa/test-cow_wrapper.cxx
@@ -0,0 +1,263 @@
+/* -*- 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 <sal/types.h>
+#include <cppunit/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include "cow_wrapper_clients.hxx"
+
+using namespace ::o3tl;
+using namespace ::o3tltests;
+
+
+class cow_wrapper_test : public CppUnit::TestFixture
+{
+public:
+    template< class T > void test( T& rTestObj1, T& rTestObj2, T& rTestObj3 )
+    {
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 is unique",
+                               rTestObj1.is_unique() );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj2 is unique",
+                               rTestObj2.is_unique() );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj3 is unique",
+                               rTestObj3.is_unique() );
+
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 != rTestObj2",
+                               rTestObj1 != rTestObj2 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj2 != rTestObj3",
+                               rTestObj2 != rTestObj3 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 != rTestObj3",
+                               rTestObj1 != rTestObj3 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 < rTestObj2",
+                               rTestObj1 < rTestObj2 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj2 < rTestObj3",
+                               rTestObj2 < rTestObj3 );
+
+        rTestObj2 = rTestObj1;
+        rTestObj3 = rTestObj1;
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 == rTestObj2",
+                               rTestObj1 == rTestObj2 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 == rTestObj3",
+                               rTestObj1 == rTestObj3 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1.use_count() == 3",
+                               rTestObj1.use_count() == 3 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj2.use_count() == 3",
+                               rTestObj2.use_count() == 3 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj3.use_count() == 3",
+                               rTestObj3.use_count() == 3 );
+
+        rTestObj2.makeUnique();
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 == rTestObj2",
+                               rTestObj1 == rTestObj2 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 == rTestObj3",
+                               rTestObj1 == rTestObj3 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1.use_count() == 2",
+                               rTestObj1.use_count() == 2 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj2.use_count() == 1",
+                               rTestObj2.use_count() == 1 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj2.is_unique()",
+                               rTestObj2.is_unique() );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj3.use_count() == 2",
+                               rTestObj3.use_count() == 2 );
+
+        rTestObj2.swap( rTestObj3 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 == rTestObj2",
+                               rTestObj1 == rTestObj2 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1 == rTestObj3",
+                               rTestObj1 == rTestObj3 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj1.use_count() == 2",
+                               rTestObj1.use_count() == 2 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj2.use_count() == 2",
+                               rTestObj2.use_count() == 2 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj3.use_count() == 1",
+                               rTestObj3.use_count() == 1 );
+        CPPUNIT_ASSERT_MESSAGE("rTestObj3.is_unique()",
+                               rTestObj3.is_unique() );
+    }
+
+    void testCowWrapper()
+    {
+        // setup
+        cow_wrapper_client1 aTestObj1;
+        cow_wrapper_client1 aTestObj2;
+        cow_wrapper_client1 aTestObj3;
+
+        cow_wrapper_client2 aTestObj4;
+        cow_wrapper_client2 aTestObj5;
+        cow_wrapper_client2 aTestObj6;
+
+        cow_wrapper_client3 aTestObj7;
+        cow_wrapper_client3 aTestObj8;
+        cow_wrapper_client3 aTestObj9;
+
+        {
+            aTestObj1 = cow_wrapper_client1( 1 );
+            CPPUNIT_ASSERT_EQUAL(1, aTestObj1.queryUnmodified());
+            aTestObj2.modify( 2 );
+            CPPUNIT_ASSERT_EQUAL(2, aTestObj2.queryUnmodified());
+            aTestObj3.modify( 3 );
+            CPPUNIT_ASSERT_EQUAL(3, aTestObj3.queryUnmodified());
+
+            aTestObj4 = cow_wrapper_client2( 4 );
+            CPPUNIT_ASSERT_EQUAL(4, aTestObj4.queryUnmodified());
+            aTestObj5.modify( 5 );
+            CPPUNIT_ASSERT_EQUAL(5, aTestObj5.queryUnmodified());
+            aTestObj6.modify( 6 );
+            CPPUNIT_ASSERT_EQUAL(6, aTestObj6.queryUnmodified());
+
+            aTestObj7 = cow_wrapper_client3( 7 );
+            CPPUNIT_ASSERT_EQUAL(7, aTestObj7.queryUnmodified());
+            aTestObj8.modify( 8 );
+            CPPUNIT_ASSERT_EQUAL(8, aTestObj8.queryUnmodified());
+            aTestObj9.modify( 9 );
+            CPPUNIT_ASSERT_EQUAL(9, aTestObj9.queryUnmodified());
+        }
+        // all three temporaries are dead now
+
+        // test
+        test( aTestObj1, aTestObj2, aTestObj3 );
+        test( aTestObj4, aTestObj5, aTestObj6 );
+        test( aTestObj7, aTestObj8, aTestObj9 );
+    }
+
+    void testStaticDefault()
+    {
+        cow_wrapper_client4 aTestObj1;
+        cow_wrapper_client4 aTestObj2;
+        cow_wrapper_client4 aTestObj3(4);
+
+        CPPUNIT_ASSERT_MESSAGE("aTestObj1.is_default()",
+                               aTestObj1.is_default() );
+        CPPUNIT_ASSERT_MESSAGE("aTestObj2.is_default()",
+                               aTestObj2.is_default() );
+        CPPUNIT_ASSERT_MESSAGE("!aTestObj3.is_default()",
+                               !aTestObj3.is_default() );
+        aTestObj1 = aTestObj2;
+        CPPUNIT_ASSERT_MESSAGE("aTestObj1.is_default() #2",
+                               aTestObj1.is_default() );
+        CPPUNIT_ASSERT_MESSAGE("aTestObj2.is_default() #2",
+                               aTestObj2.is_default() );
+        aTestObj1 = aTestObj3;
+        CPPUNIT_ASSERT_MESSAGE("!aTestObj1.is_default()",
+                               !aTestObj1.is_default() );
+    }
+
+    void testRefCounting()
+    {
+        // add scope to ensure appropriate number of calls to
+        // the reference counting policy have been made
+        {
+            // if any incrementing/decrementing occurs a failure
+            // will occur
+            cow_wrapper_client5 aTestObj1(1);
+            cow_wrapper_client5 aTestObj2( std::move( aTestObj1 ) );
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj2.use_count()",
+                                         static_cast<sal_uInt32>(1), aTestObj2.use_count() );
+
+            // the following should increment
+            BogusRefCountPolicy::s_bShouldIncrement = true;
+            cow_wrapper_client5 aTestObj3( aTestObj2 );
+            CPPUNIT_ASSERT_MESSAGE("s_bShouldIncrement == 0",
+                                   !BogusRefCountPolicy::s_bShouldIncrement );
+
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj3.use_count()",
+                                         static_cast<sal_uInt32>(2), aTestObj3.use_count() );
+            {
+                cow_wrapper_client5 aTestObj4;
+                // the following should decrement the lvalue and then increment the rvalue
+                BogusRefCountPolicy::s_bShouldIncrement = true;
+                BogusRefCountPolicy::s_bShouldDecrement = true;
+                aTestObj4 = aTestObj2;
+                CPPUNIT_ASSERT_MESSAGE("s_bShouldIncrement == 0",
+                                       !BogusRefCountPolicy::s_bShouldIncrement );
+                CPPUNIT_ASSERT_MESSAGE("s_bShouldDecrement == 0",
+                                       !BogusRefCountPolicy::s_bShouldDecrement );
+
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj2.use_count()",
+                                             static_cast<sal_uInt32>(3), aTestObj2.use_count() );
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj3.use_count()",
+                                             static_cast<sal_uInt32>(3), aTestObj3.use_count() );
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj4.use_count()",
+                                             static_cast<sal_uInt32>(3), aTestObj4.use_count() );
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj2 == aTestObj3",
+                                             aTestObj3, aTestObj2 );
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj3 == aTestObj4",
+                                             aTestObj4, aTestObj3 );
+                CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj2 == aTestObj4",
+                                             aTestObj4, aTestObj2 );
+
+                // only decrement the lvalue before assignment
+                BogusRefCountPolicy::s_bShouldDecrement = true;
+                aTestObj4 = cow_wrapper_client5( 4 );
+                CPPUNIT_ASSERT_MESSAGE("s_bShouldIncrement == 0",
+                                       !BogusRefCountPolicy::s_bShouldIncrement );
+
+                // only one call should be made to the ref counting policy's
+                // decrementing function at the end of the scope
+                BogusRefCountPolicy::s_bShouldDecrement = true;
+            }
+            CPPUNIT_ASSERT_MESSAGE("s_bShouldDecrement == 0",
+                                   !BogusRefCountPolicy::s_bShouldDecrement );
+
+            // self assignment
+            // aTestObj2 is defunct afterwards, one decrement happens
+            BogusRefCountPolicy::s_bShouldDecrement = true;
+            aTestObj3 = std::move( aTestObj2 );
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj2.use_count()",
+                                         static_cast<sal_uInt32>(0), aTestObj2.use_count() ); // NOLINT(bugprone-use-after-move)
+            CPPUNIT_ASSERT_EQUAL_MESSAGE("aTestObj3.use_count()",
+                                         static_cast<sal_uInt32>(1), aTestObj3.use_count() );
+
+            cow_wrapper_client5 aTestObj5;
+
+            // only decrement the lvalue before assignment
+            BogusRefCountPolicy::s_bShouldDecrement = true;
+            aTestObj3 = std::move( aTestObj5 );
+            CPPUNIT_ASSERT_MESSAGE("s_bShouldDecrement == 0",
+                                   !BogusRefCountPolicy::s_bShouldDecrement);
+
+            // one call should be made to the ref-counting policy's
+            // decrementing function at the end of the scope. Only
+            // aTestObj3 still holds a valid instance
+            BogusRefCountPolicy::s_nEndOfScope = 1;
+        }
+        CPPUNIT_ASSERT_EQUAL_MESSAGE("s_EndOfScope",
+                                     static_cast<sal_uInt32>(0), BogusRefCountPolicy::s_nEndOfScope );
+    }
+
+    // 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(cow_wrapper_test);
+    CPPUNIT_TEST(testCowWrapper);
+    CPPUNIT_TEST(testStaticDefault);
+    CPPUNIT_TEST(testRefCounting);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+
+CPPUNIT_TEST_SUITE_REGISTRATION(cow_wrapper_test);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */