/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* 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
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* ownership . The ASF licenses this file to you under the Apache
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*/
#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_EQUAL_MESSAGE("allocator value semantics 1" , 0 , aPool.get(nIdx1) );
std::ptrdiff_t nIdx2 = aPool.store(1 );
CPPUNIT_ASSERT_EQUAL_MESSAGE("allocator value semantics 2" , 1 , aPool.get(nIdx2) );
std::ptrdiff_t nIdx3 = aPool.store(2 );
CPPUNIT_ASSERT_EQUAL_MESSAGE("allocator value semantics 3" , 2 , aPool.get(nIdx3) );
aPool.free(nIdx2);
aPool.free(nIdx3);
nIdx2 = aPool.store(1 );
CPPUNIT_ASSERT_EQUAL_MESSAGE("allocator value semantics 2 after fragmentation" , 1 , aPool.get(nIdx2) );
nIdx3 = aPool.store(2 );
CPPUNIT_ASSERT_EQUAL_MESSAGE("allocator value semantics 3 after fragmentation" , 2 , aPool.get(nIdx3) );
}
// 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: */
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(vorverarbeitet am 2026-09-29)
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