Reference counting helpers - Progress, tests
* Assignment copy/move operators * Boolean conversion / ! operator * Content access
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3 changed files with 419 additions and 12 deletions
tests
233
tests/ref-count.cc
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233
tests/ref-count.cc
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#include <ebcl/RefCount.hh>
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#include <cppunit/extensions/HelperMacros.h>
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using namespace ebcl;
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class RefCountTest : public CppUnit::TestFixture
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{
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CPPUNIT_TEST_SUITE( RefCountTest );
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CPPUNIT_TEST( testStackInstance );
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CPPUNIT_TEST( testEmpty );
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CPPUNIT_TEST( testConstruct );
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CPPUNIT_TEST( testCopyCons );
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CPPUNIT_TEST( testCopyAss );
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CPPUNIT_TEST( testMoveCons );
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CPPUNIT_TEST( testMoveAss );
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CPPUNIT_TEST_SUITE_END( );
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public:
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void setUp( ) override;
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void testStackInstance( );
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void testEmpty( );
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void testConstruct( );
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void testCopyCons( );
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void testCopyAss( );
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void testMoveCons( );
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void testMoveAss( );
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};
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CPPUNIT_TEST_SUITE_REGISTRATION( RefCountTest );
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/*----------------------------------------------------------------------------*/
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namespace {
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#define M_MKTESTDECL_( CLS , ATOMIC ) \
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class T_ ##CLS : public T_ReferenceCountedClass< ATOMIC > \
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{ \
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public: \
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static uint32_t cNew; \
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static uint32_t cDel; \
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T_ ##CLS( ) noexcept { cNew ++; } \
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~T_ ##CLS( ) noexcept { cDel ++; } \
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}; \
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uint32_t T_ ##CLS::cNew = 0; \
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uint32_t T_ ##CLS::cDel = 0; \
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using P_ ##CLS = T_RcPtr< T_ ##CLS >
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M_MKTESTDECL_( Atomic , true );
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M_MKTESTDECL_( Simple , false );
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class T_Child : public T_Simple { };
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using P_Child = T_RcPtr< T_Child >;
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} // namespace
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/*----------------------------------------------------------------------------*/
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void RefCountTest::setUp( )
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{
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T_Atomic::cNew = T_Atomic::cDel = 0;
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T_Simple::cNew = T_Simple::cDel = 0;
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}
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/*----------------------------------------------------------------------------*/
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void RefCountTest::testStackInstance( )
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{
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{
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T_Atomic t1;
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T_Simple t2;
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cNew );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cNew );
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CPPUNIT_ASSERT_EQUAL( 0u , t1.getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 0u , t2.getReferenceCount( ) );
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}
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cDel );
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}
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/*----------------------------------------------------------------------------*/
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void RefCountTest::testEmpty( )
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{
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{
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P_Atomic p1;
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P_Simple p2;
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CPPUNIT_ASSERT_EQUAL( 0u , T_Atomic::cNew );
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CPPUNIT_ASSERT_EQUAL( 0u , T_Simple::cNew );
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CPPUNIT_ASSERT_EQUAL( false , bool{ p1 } );
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CPPUNIT_ASSERT_EQUAL( false , bool{ p2 } );
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CPPUNIT_ASSERT_EQUAL( true , !p1 );
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CPPUNIT_ASSERT_EQUAL( true , !p2 );
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CPPUNIT_ASSERT_EQUAL( (T_Atomic*) nullptr , p1.get( ) );
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CPPUNIT_ASSERT_EQUAL( (T_Simple*) nullptr , p2.get( ) );
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CPPUNIT_ASSERT_EQUAL( (T_Atomic*) nullptr , (T_Atomic*) p1 );
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CPPUNIT_ASSERT_EQUAL( (T_Simple*) nullptr , (T_Simple*) p2 );
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}
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CPPUNIT_ASSERT_EQUAL( 0u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 0u , T_Simple::cDel );
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}
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void RefCountTest::testConstruct( )
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{
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{
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P_Atomic p1{ P_Atomic::New( ) };
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P_Simple p2{ P_Simple::New( ) };
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cNew );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cNew );
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CPPUNIT_ASSERT_EQUAL( true , bool{ p1 } );
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CPPUNIT_ASSERT_EQUAL( true , bool{ p2 } );
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CPPUNIT_ASSERT_EQUAL( false , !p1 );
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CPPUNIT_ASSERT_EQUAL( false , !p2 );
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CPPUNIT_ASSERT( (T_Atomic*) nullptr != p1.get( ) );
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CPPUNIT_ASSERT( (T_Simple*) nullptr != p2.get( ) );
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CPPUNIT_ASSERT( (T_Atomic*) nullptr != (T_Atomic*) p1 );
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CPPUNIT_ASSERT( (T_Simple*) nullptr != (T_Simple*) p2 );
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CPPUNIT_ASSERT_EQUAL( 1u , p1->getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 1u , p2->getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 1u , (*p1).getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 1u , (*p2).getReferenceCount( ) );
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}
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cDel );
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}
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/*----------------------------------------------------------------------------*/
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void RefCountTest::testCopyCons( )
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{
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{
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P_Atomic p1{ P_Atomic::New( ) };
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P_Simple p2{ P_Simple::New( ) };
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{
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P_Atomic c1{ p1 };
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P_Simple c2{ p2 };
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cNew );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cNew );
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CPPUNIT_ASSERT( c1 );
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CPPUNIT_ASSERT( c2 );
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CPPUNIT_ASSERT( p1.get( ) == c1.get( ) );
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CPPUNIT_ASSERT( p2.get( ) == c2.get( ) );
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CPPUNIT_ASSERT_EQUAL( 2u , p1->getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 2u , p2->getReferenceCount( ) );
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}
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CPPUNIT_ASSERT_EQUAL( 0u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 0u , T_Simple::cDel );
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CPPUNIT_ASSERT_EQUAL( 1u , p1->getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 1u , p2->getReferenceCount( ) );
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}
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cDel );
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}
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void RefCountTest::testCopyAss( )
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{
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{
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P_Atomic p1{ P_Atomic::New( ) };
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P_Simple p2{ P_Simple::New( ) };
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{
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P_Atomic c1;
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P_Simple c2;
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CPPUNIT_ASSERT( !c1 );
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CPPUNIT_ASSERT( !c2 );
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c1 = p1;
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c2 = p2;
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cNew );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cNew );
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CPPUNIT_ASSERT( c1 );
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CPPUNIT_ASSERT( c2 );
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CPPUNIT_ASSERT( p1.get( ) == c1.get( ) );
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CPPUNIT_ASSERT( p2.get( ) == c2.get( ) );
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CPPUNIT_ASSERT_EQUAL( 2u , p1->getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 2u , p2->getReferenceCount( ) );
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}
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CPPUNIT_ASSERT_EQUAL( 0u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 0u , T_Simple::cDel );
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CPPUNIT_ASSERT_EQUAL( 1u , p1->getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 1u , p2->getReferenceCount( ) );
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}
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cDel );
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}
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void RefCountTest::testMoveCons( )
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{
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P_Atomic p1{ P_Atomic::New( ) };
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P_Simple p2{ P_Simple::New( ) };
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{
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P_Atomic c1{ std::move( p1 ) };
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P_Simple c2{ std::move( p2 ) };
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cNew );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cNew );
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CPPUNIT_ASSERT_EQUAL( 0u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 0u , T_Simple::cDel );
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CPPUNIT_ASSERT( c1 );
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CPPUNIT_ASSERT( c2 );
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CPPUNIT_ASSERT( !p1 );
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CPPUNIT_ASSERT( !p2 );
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CPPUNIT_ASSERT_EQUAL( 1u , c1->getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 1u , c2->getReferenceCount( ) );
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}
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cDel );
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}
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void RefCountTest::testMoveAss( )
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{
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P_Atomic p1{ P_Atomic::New( ) };
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P_Simple p2{ P_Simple::New( ) };
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{
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P_Atomic c1;
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P_Simple c2;
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CPPUNIT_ASSERT( !c1 );
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CPPUNIT_ASSERT( !c2 );
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c1 = std::move( p1 );
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c2 = std::move( p2 );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cNew );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cNew );
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CPPUNIT_ASSERT_EQUAL( 0u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 0u , T_Simple::cDel );
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CPPUNIT_ASSERT( c1 );
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CPPUNIT_ASSERT( c2 );
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CPPUNIT_ASSERT( !p1 );
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CPPUNIT_ASSERT( !p2 );
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CPPUNIT_ASSERT_EQUAL( 1u , c1->getReferenceCount( ) );
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CPPUNIT_ASSERT_EQUAL( 1u , c2->getReferenceCount( ) );
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}
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CPPUNIT_ASSERT_EQUAL( 1u , T_Atomic::cDel );
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CPPUNIT_ASSERT_EQUAL( 1u , T_Simple::cDel );
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}
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