main/o3tl/qa/test-cow_wrapper.cxx

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// autogenerated file with codegen.pl

#include "preextstl.h"
#include "gtest/gtest.h"
#include "postextstl.h"

#include "cow_wrapper_clients.hxx"

using namespace ::o3tl;
using namespace ::o3tltests;


class cow_wrapper_test : public ::testing::Test
{
public:
    template< class T > void test( T& rTestObj1, T& rTestObj2, T& rTestObj3 )
    {
        ASSERT_TRUE(rTestObj1.is_unique() ) << "rTestObj1 is unique";
        ASSERT_TRUE(rTestObj2.is_unique() ) << "rTestObj2 is unique";
        ASSERT_TRUE(rTestObj3.is_unique() ) << "rTestObj3 is unique";

        ASSERT_TRUE(rTestObj1 != rTestObj2 ) << "rTestObj1 != rTestObj2";
        ASSERT_TRUE(rTestObj2 != rTestObj3 ) << "rTestObj2 != rTestObj3";
        ASSERT_TRUE(rTestObj1 != rTestObj3 ) << "rTestObj1 != rTestObj3";
        ASSERT_TRUE(rTestObj1 < rTestObj2 ) << "rTestObj1 < rTestObj2";
        ASSERT_TRUE(rTestObj2 < rTestObj3 ) << "rTestObj2 < rTestObj3";

        rTestObj2 = rTestObj1;
        rTestObj3 = rTestObj1;
        ASSERT_TRUE(rTestObj1 == rTestObj2 ) << "rTestObj1 == rTestObj2";
        ASSERT_TRUE(rTestObj1 == rTestObj3 ) << "rTestObj1 == rTestObj3";
        ASSERT_TRUE(rTestObj1.use_count() == 3 ) << "rTestObj1.use_count() == 3";
        ASSERT_TRUE(rTestObj2.use_count() == 3 ) << "rTestObj2.use_count() == 3";
        ASSERT_TRUE(rTestObj3.use_count() == 3 ) << "rTestObj3.use_count() == 3";

        rTestObj2.makeUnique();
        ASSERT_TRUE(rTestObj1 == rTestObj2 ) << "rTestObj1 == rTestObj2";
        ASSERT_TRUE(rTestObj1 == rTestObj3 ) << "rTestObj1 == rTestObj3";
        ASSERT_TRUE(rTestObj1.use_count() == 2 ) << "rTestObj1.use_count() == 2";
        ASSERT_TRUE(rTestObj2.use_count() == 1 ) << "rTestObj2.use_count() == 1";
        ASSERT_TRUE(rTestObj2.is_unique() ) << "rTestObj2.is_unique()";
        ASSERT_TRUE(rTestObj3.use_count() == 2 ) << "rTestObj3.use_count() == 2";

        rTestObj2.swap( rTestObj3 );
        ASSERT_TRUE(rTestObj1 == rTestObj2 ) << "rTestObj1 == rTestObj2";
        ASSERT_TRUE(rTestObj1 == rTestObj3 ) << "rTestObj1 == rTestObj3";
        ASSERT_TRUE(rTestObj1.use_count() == 2 ) << "rTestObj1.use_count() == 2";
        ASSERT_TRUE(rTestObj2.use_count() == 2 ) << "rTestObj2.use_count() == 2";
        ASSERT_TRUE(rTestObj3.use_count() == 1 ) << "rTestObj3.use_count() == 1";
        ASSERT_TRUE(rTestObj3.is_unique() ) << "rTestObj3.is_unique()";
    }
};

TEST_F(cow_wrapper_test, testCowWrapper)
{
    // setup
    cow_wrapper_client1 aTestObj1;
    cow_wrapper_client1 aTestObj2;
    cow_wrapper_client1 aTestObj3;

    cow_wrapper_client2 aTestObj4;
    cow_wrapper_client2 aTestObj5;
    cow_wrapper_client2 aTestObj6;

    cow_wrapper_client3 aTestObj7;
    cow_wrapper_client3 aTestObj8;
    cow_wrapper_client3 aTestObj9;

    {
        aTestObj1 = cow_wrapper_client1( 1 );
        aTestObj2.modify( 2 );
        aTestObj3.modify( 3 );

        aTestObj4 = cow_wrapper_client2( 4 );
        aTestObj5.modify( 5 );
        aTestObj6.modify( 6 );

        aTestObj7 = cow_wrapper_client3( 7 );
        aTestObj8.modify( 8 );
        aTestObj9.modify( 9 );
    }
    // all three temporaries are dead now

    // test
    test( aTestObj1, aTestObj2, aTestObj3 );
    test( aTestObj4, aTestObj5, aTestObj6 );
    test( aTestObj7, aTestObj8, aTestObj9 );
}