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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 <sal/types.h>
#include "cppunit/TestAssert.h"
#include "cppunit/TestFixture.h"
#include "cppunit/extensions/HelperMacros.h"
#include <o3tl/heap_ptr.hxx>
using o3tl::heap_ptr;
class Help
{
public:
explicit Help(
int i_n )
: n(i_n) { ++nInstanceCount_; }
~Help() { --nInstanceCount_; }
int Value() const { return n; }
static int InstanceCount_() { return nInstanceCount_; }
private:
int n;
static int nInstanceCount_;
};
int Help::nInstanceCount_ = 0;
class heap_ptr_test : public CppUnit::TestFixture
{
public:
void global()
{
// Construction
heap_ptr<Help>
t_empty;
const heap_ptr<Help>
t0( new Help(7000) );
heap_ptr<Help>
t1( new Help(10) );
heap_ptr<Help>
t2( new Help(20) );
int nHelpCount = 3;
CPPUNIT_ASSERT_MESSAGE("ctor1", ! t_empty.is());
CPPUNIT_ASSERT_MESSAGE("ctor2", t0.is());
CPPUNIT_ASSERT_MESSAGE("ctor3", (*t0).Value() == 7000 );
CPPUNIT_ASSERT_MESSAGE("ctor4", t0->Value() == 7000 );
CPPUNIT_ASSERT_MESSAGE("ctor5", t0.get() == t0.operator->() );
CPPUNIT_ASSERT_MESSAGE("ctor6", t0.get() == &(*t0) );
CPPUNIT_ASSERT_MESSAGE("ctor7", t1.is());
CPPUNIT_ASSERT_MESSAGE("ctor8", (*t1).Value() == 10 );
CPPUNIT_ASSERT_MESSAGE("ctor9", t1->Value() == 10 );
CPPUNIT_ASSERT_MESSAGE("ctor10", t1.get() == t1.operator->() );
CPPUNIT_ASSERT_MESSAGE("ctor11", t1.get() == &(*t1) );
CPPUNIT_ASSERT_MESSAGE("ctor12", t2.operator*().Value() == 20);
CPPUNIT_ASSERT_MESSAGE("ctor13", Help::InstanceCount_() == nHelpCount);
// Operator safe_bool() / bool()
CPPUNIT_ASSERT_MESSAGE("bool1", ! t_empty);
CPPUNIT_ASSERT_MESSAGE("bool2", t0);
CPPUNIT_ASSERT_MESSAGE("bool3", t1.is() == static_cast<bool>(t1));
// Assignment, reset() and release()
// Release
Help * hp = t1.release();
CPPUNIT_ASSERT_MESSAGE("release1", ! t1.is() );
CPPUNIT_ASSERT_MESSAGE("release2", t1.get() == 0 );
CPPUNIT_ASSERT_MESSAGE("release3", t1.operator->() == 0 );
CPPUNIT_ASSERT_MESSAGE("release4", Help::InstanceCount_() == nHelpCount);
// operator=()
t_empty = hp;
CPPUNIT_ASSERT_MESSAGE("assign1", t_empty.is() );
CPPUNIT_ASSERT_MESSAGE("assign2", Help::InstanceCount_() == nHelpCount);
t1 = t_empty.release();
CPPUNIT_ASSERT_MESSAGE("assign3", t1.is() );
CPPUNIT_ASSERT_MESSAGE("assign4", ! t_empty.is() );
CPPUNIT_ASSERT_MESSAGE("assign5", Help::InstanceCount_() == nHelpCount);
// reset()
hp = new Help(30);
++nHelpCount;
t_empty.reset(hp);
CPPUNIT_ASSERT_MESSAGE("reset1", Help::InstanceCount_() == nHelpCount);
CPPUNIT_ASSERT_MESSAGE("reset2", t_empty.is() );
CPPUNIT_ASSERT_MESSAGE("reset3", t_empty.get() == hp );
// Ignore second assignment
t_empty = hp;
CPPUNIT_ASSERT_MESSAGE("selfassign1", Help::InstanceCount_() == nHelpCount);
CPPUNIT_ASSERT_MESSAGE("selfassign2", t_empty.is() );
CPPUNIT_ASSERT_MESSAGE("selfassign3", t_empty.get() == hp );
t_empty.reset(0);
hp = 0;
--nHelpCount;
CPPUNIT_ASSERT_MESSAGE("reset4", ! t_empty.is() );
CPPUNIT_ASSERT_MESSAGE("reset5", Help::InstanceCount_() == nHelpCount);
// swap
t1.swap(t2);
CPPUNIT_ASSERT_MESSAGE("swap1", t1->Value() == 20 );
CPPUNIT_ASSERT_MESSAGE("swap2", t2->Value() == 10 );
CPPUNIT_ASSERT_MESSAGE("swap3", Help::InstanceCount_() == nHelpCount);
o3tl::swap(t1,t2);
CPPUNIT_ASSERT_MESSAGE("swap4", t1->Value() == 10 );
CPPUNIT_ASSERT_MESSAGE("swap5", t2->Value() == 20 );
CPPUNIT_ASSERT_MESSAGE("swap6", Help::InstanceCount_() == nHelpCount);
// RAII
{
heap_ptr<Help>
t_raii( new Help(55) );
CPPUNIT_ASSERT_MESSAGE("raii1", Help::InstanceCount_() == nHelpCount + 1);
}
CPPUNIT_ASSERT_MESSAGE("raii2", Help::InstanceCount_() == nHelpCount);
}
// These macros are needed by auto register mechanism.
CPPUNIT_TEST_SUITE(heap_ptr_test);
CPPUNIT_TEST(global);
CPPUNIT_TEST_SUITE_END();
}; // class heap_ptr_test
// -----------------------------------------------------------------------------
CPPUNIT_TEST_SUITE_REGISTRATION(heap_ptr_test);
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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