// autogenerated file with codegen.pl

#include "preextstl.h"
#include "cppunit/TestAssert.h"
#include "cppunit/TestFixture.h"
#include "cppunit/extensions/HelperMacros.h"
#include "postextstl.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);