tools/test/tests.cxx

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  30
  31
  32 // MARKER(update_precomp.py): autogen include statement, do not remove
  33 #include "precompiled_tools.hxx"
  34 // autogenerated file with codegen.pl
  35
  36 #include <cppunit/simpleheader.hxx>
  37 #include <rtl/math.hxx>
  38 #include <tools/fract.hxx>
  39
  40 #include <stdio.h>
  41
  42 namespace tools
  43 {
  44
  45 class FractionTest : public CppUnit::TestFixture
  46 {
  47 public:
  48     void setUp()
  49     {
  50     }
  51
  52     void tearDown()
  53     {
  54     }
  55
  56     void testFraction()
  57     {
  58         const Fraction aFract(1082130431,1073741824);
  59         CPPUNIT_ASSERT_MESSAGE( "Fraction #1 not approximately equal to 1.007812499068677",
  60                                 rtl::math::approxEqual((double)aFract,1.007812499068677) );
  61
  62         Fraction aFract2( aFract );
  63         aFract2.ReduceInaccurate(8);
  64         CPPUNIT_ASSERT_MESSAGE( "Fraction #2 not 1",
  65                                 aFract2.GetNumerator() == 1 &&
  66                                 aFract2.GetDenominator() == 1 );
  67
  68         Fraction aFract3( 0x7AAAAAAA, 0x35555555 );
  69         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 cancellation wrong",
  70                                 aFract3.GetNumerator() == 0x7AAAAAAA &&
  71                                 aFract3.GetDenominator() == 0x35555555 );
  72         aFract3.ReduceInaccurate(30);
  73         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 ReduceInaccurate errorneously cut precision",
  74                                 aFract3.GetNumerator() == 0x7AAAAAAA &&
  75                                 aFract3.GetDenominator() == 0x35555555 );
  76
  77         aFract3.ReduceInaccurate(29);
  78         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 29 bits failed",
  79                                 aFract3.GetNumerator() == 0x3D555555 &&
  80                                 aFract3.GetDenominator() == 0x1AAAAAAA );
  81
  82         aFract3.ReduceInaccurate(9);
  83         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 9 bits failed",
  84                                 aFract3.GetNumerator() == 0x0147 &&
  85                                 aFract3.GetDenominator() == 0x008E );
  86
  87         aFract3.ReduceInaccurate(1);
  88         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 1 bit failed",
  89                                 aFract3.GetNumerator() == 2 &&
  90                                 aFract3.GetDenominator() == 1 );
  91
  92         aFract3.ReduceInaccurate(0);
  93         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 0 bits failed",
  94                                 aFract3.GetNumerator() == 2 &&
  95                                 aFract3.GetDenominator() == 1 );
  96
  97 #if SAL_TYPES_SIZEOFLONG == 8
  98         Fraction aFract4(0x7AAAAAAAAAAAAAAA, 0x3555555555555555);
  99         CPPUNIT_ASSERT_MESSAGE( "Fraction #4 cancellation wrong",
 100                                 aFract4.GetNumerator() == 0x7AAAAAAAAAAAAAAA &&
 101                                 aFract4.GetDenominator() == 0x3555555555555555 );
 102         aFract4.ReduceInaccurate(62);
 103         CPPUNIT_ASSERT_MESSAGE( "Fraction #4 ReduceInaccurate errorneously cut precision",
 104                                 aFract4.GetNumerator() == 0x7AAAAAAAAAAAAAAA &&
 105                                 aFract4.GetDenominator() == 0x3555555555555555 );
 106
 107         aFract4.ReduceInaccurate(61);
 108         CPPUNIT_ASSERT_MESSAGE( "Fraction #4 ReduceInaccurate reduce to 61 bit failed",
 109                                 aFract4.GetNumerator() == 0x3D55555555555555 &&
 110                                 aFract4.GetDenominator() == 0x1AAAAAAAAAAAAAAA );
 111 #endif
 112     }
 113
 114     CPPUNIT_TEST_SUITE(FractionTest);
 115     CPPUNIT_TEST(testFraction);
 116     CPPUNIT_TEST_SUITE_END();
 117 };
 118
 119 // -----------------------------------------------------------------------------
 120 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(tools::FractionTest, "FractionTest");
 121 } // namespace tools
 122
 123
 124 // -----------------------------------------------------------------------------
 125
 126 // this macro creates an empty function, which will called by the RegisterAllFunctions()
 127 // to let the user the possibility to also register some functions by hand.
 128 NOADDITIONAL;
 129