xref: /aoo42x/main/tools/test/tests.cxx (revision cdf0e10c)

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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_tools.hxx"
// autogenerated file with codegen.pl

#include <testshl/simpleheader.hxx>
#include <rtl/math.hxx>
#include <tools/fract.hxx>

#include <stdio.h>

namespace tools
{

class FractionTest : public CppUnit::TestFixture
{
public:
    void setUp()
    {
    }

    void tearDown()
    {
    }

    void testFraction()
    {
        const Fraction aFract(1082130431,1073741824);
        CPPUNIT_ASSERT_MESSAGE( "Fraction #1 not approximately equal to 1.007812499068677",
                                rtl::math::approxEqual((double)aFract,1.007812499068677) );

        Fraction aFract2( aFract );
        aFract2.ReduceInaccurate(8);
        CPPUNIT_ASSERT_MESSAGE( "Fraction #2 not 1",
                                aFract2.GetNumerator() == 1 &&
                                aFract2.GetDenominator() == 1 );

        Fraction aFract3( 0x7AAAAAAA, 0x35555555 );
        CPPUNIT_ASSERT_MESSAGE( "Fraction #3 cancellation wrong",
                                aFract3.GetNumerator() == 0x7AAAAAAA &&
                                aFract3.GetDenominator() == 0x35555555 );
        aFract3.ReduceInaccurate(30);
        CPPUNIT_ASSERT_MESSAGE( "Fraction #3 ReduceInaccurate errorneously cut precision",
                                aFract3.GetNumerator() == 0x7AAAAAAA &&
                                aFract3.GetDenominator() == 0x35555555 );

        aFract3.ReduceInaccurate(29);
        CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 29 bits failed",
                                aFract3.GetNumerator() == 0x3D555555 &&
                                aFract3.GetDenominator() == 0x1AAAAAAA );

        aFract3.ReduceInaccurate(9);
        CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 9 bits failed",
                                aFract3.GetNumerator() == 0x0147 &&
                                aFract3.GetDenominator() == 0x008E );

        aFract3.ReduceInaccurate(1);
        CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 1 bit failed",
                                aFract3.GetNumerator() == 2 &&
                                aFract3.GetDenominator() == 1 );

        aFract3.ReduceInaccurate(0);
        CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 0 bits failed",
                                aFract3.GetNumerator() == 2 &&
                                aFract3.GetDenominator() == 1 );

#if SAL_TYPES_SIZEOFLONG == 8
		Fraction aFract4(0x7AAAAAAAAAAAAAAA, 0x3555555555555555);
		CPPUNIT_ASSERT_MESSAGE( "Fraction #4 cancellation wrong",
						        aFract4.GetNumerator() == 0x7AAAAAAAAAAAAAAA &&
								aFract4.GetDenominator() == 0x3555555555555555 );
		aFract4.ReduceInaccurate(62);
		CPPUNIT_ASSERT_MESSAGE( "Fraction #4 ReduceInaccurate errorneously cut precision",
								aFract4.GetNumerator() == 0x7AAAAAAAAAAAAAAA &&
								aFract4.GetDenominator() == 0x3555555555555555 );

		aFract4.ReduceInaccurate(61);
		CPPUNIT_ASSERT_MESSAGE( "Fraction #4 ReduceInaccurate reduce to 61 bit failed",
								aFract4.GetNumerator() == 0x3D55555555555555 &&
								aFract4.GetDenominator() == 0x1AAAAAAAAAAAAAAA );
#endif
	}

    CPPUNIT_TEST_SUITE(FractionTest);
    CPPUNIT_TEST(testFraction);
    CPPUNIT_TEST_SUITE_END();
};

// -----------------------------------------------------------------------------
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(tools::FractionTest, "FractionTest");
} // namespace tools


// -----------------------------------------------------------------------------

// this macro creates an empty function, which will called by the RegisterAllFunctions()
// to let the user the possibility to also register some functions by hand.
NOADDITIONAL;