office-gobmx/o3tl/qa/test-vector_pool.cxx
2012-06-27 19:13:11 +01:00

89 lines
3.1 KiB
C++

/* -*- 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/vector_pool.hxx>
using namespace ::o3tl;
class vector_pool_test : public CppUnit::TestFixture
{
public:
void testPoolBasics()
{
vector_pool<int> aPool;
std::ptrdiff_t nIdx1 = aPool.alloc();
std::ptrdiff_t nIdx2 = aPool.alloc();
std::ptrdiff_t nIdx3 = aPool.alloc();
CPPUNIT_ASSERT_MESSAGE("allocator idx order 1", nIdx1 < nIdx2 );
CPPUNIT_ASSERT_MESSAGE("allocator idx order 2", nIdx2 < nIdx3 );
aPool.free(nIdx2);
aPool.free(nIdx3);
nIdx2 = aPool.alloc();
nIdx3 = aPool.alloc();
CPPUNIT_ASSERT_MESSAGE("allocator idx order 1 after fragmentation", nIdx1 < nIdx3 );
CPPUNIT_ASSERT_MESSAGE("allocator idx order 2 after fragmentation", nIdx3 < nIdx2 );
}
void testPoolValueSemantics()
{
vector_pool<int> aPool;
std::ptrdiff_t nIdx1 = aPool.store(0);
CPPUNIT_ASSERT_MESSAGE("allocator value semantics 1", aPool.get(nIdx1) == 0 );
std::ptrdiff_t nIdx2 = aPool.store(1);
CPPUNIT_ASSERT_MESSAGE("allocator value semantics 2", aPool.get(nIdx2) == 1 );
std::ptrdiff_t nIdx3 = aPool.store(2);
CPPUNIT_ASSERT_MESSAGE("allocator value semantics 3", aPool.get(nIdx3) == 2 );
aPool.free(nIdx2);
aPool.free(nIdx3);
nIdx2 = aPool.store(1);
CPPUNIT_ASSERT_MESSAGE("allocator value semantics 2 after fragmentation", aPool.get(nIdx2) == 1 );
nIdx3 = aPool.store(2);
CPPUNIT_ASSERT_MESSAGE("allocator value semantics 3 after fragmentation", aPool.get(nIdx3) == 2 );
}
// 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(vector_pool_test);
CPPUNIT_TEST(testPoolBasics);
CPPUNIT_TEST(testPoolValueSemantics);
CPPUNIT_TEST_SUITE_END();
};
// -----------------------------------------------------------------------------
CPPUNIT_TEST_SUITE_REGISTRATION(vector_pool_test);
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */