tools/test/tests.cxx

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  27
  28
  29 // MARKER(update_precomp.py): autogen include statement, do not remove
  30 #include "precompiled_tools.hxx"
  31 // autogenerated file with codegen.pl
  32
  33 #include <testshl/simpleheader.hxx>
  34 #include <rtl/math.hxx>
  35 #include <tools/fract.hxx>
  36
  37 #include <stdio.h>
  38
  39 namespace tools
  40 {
  41
  42 class FractionTest : public CppUnit::TestFixture
  43 {
  44 public:
  45     void setUp()
  46     {
  47     }
  48
  49     void tearDown()
  50     {
  51     }
  52
  53     void testFraction()
  54     {
  55         const Fraction aFract(1082130431,1073741824);
  56         CPPUNIT_ASSERT_MESSAGE( "Fraction #1 not approximately equal to 1.007812499068677",
  57                                 rtl::math::approxEqual((double)aFract,1.007812499068677) );
  58
  59         Fraction aFract2( aFract );
  60         aFract2.ReduceInaccurate(8);
  61         CPPUNIT_ASSERT_MESSAGE( "Fraction #2 not 1",
  62                                 aFract2.GetNumerator() == 1 &&
  63                                 aFract2.GetDenominator() == 1 );
  64
  65         Fraction aFract3( 0x7AAAAAAA, 0x35555555 );
  66         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 cancellation wrong",
  67                                 aFract3.GetNumerator() == 0x7AAAAAAA &&
  68                                 aFract3.GetDenominator() == 0x35555555 );
  69         aFract3.ReduceInaccurate(30);
  70         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 ReduceInaccurate errorneously cut precision",
  71                                 aFract3.GetNumerator() == 0x7AAAAAAA &&
  72                                 aFract3.GetDenominator() == 0x35555555 );
  73
  74         aFract3.ReduceInaccurate(29);
  75         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 29 bits failed",
  76                                 aFract3.GetNumerator() == 0x3D555555 &&
  77                                 aFract3.GetDenominator() == 0x1AAAAAAA );
  78
  79         aFract3.ReduceInaccurate(9);
  80         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 9 bits failed",
  81                                 aFract3.GetNumerator() == 0x0147 &&
  82                                 aFract3.GetDenominator() == 0x008E );
  83
  84         aFract3.ReduceInaccurate(1);
  85         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 1 bit failed",
  86                                 aFract3.GetNumerator() == 2 &&
  87                                 aFract3.GetDenominator() == 1 );
  88
  89         aFract3.ReduceInaccurate(0);
  90         CPPUNIT_ASSERT_MESSAGE( "Fraction #3 reduce to 0 bits failed",
  91                                 aFract3.GetNumerator() == 2 &&
  92                                 aFract3.GetDenominator() == 1 );
  93
  94 #if SAL_TYPES_SIZEOFLONG == 8
  95         Fraction aFract4(0x7AAAAAAAAAAAAAAA, 0x3555555555555555);
  96         CPPUNIT_ASSERT_MESSAGE( "Fraction #4 cancellation wrong",
  97                                 aFract4.GetNumerator() == 0x7AAAAAAAAAAAAAAA &&
  98                                 aFract4.GetDenominator() == 0x3555555555555555 );
  99         aFract4.ReduceInaccurate(62);
 100         CPPUNIT_ASSERT_MESSAGE( "Fraction #4 ReduceInaccurate errorneously cut precision",
 101                                 aFract4.GetNumerator() == 0x7AAAAAAAAAAAAAAA &&
 102                                 aFract4.GetDenominator() == 0x3555555555555555 );
 103
 104         aFract4.ReduceInaccurate(61);
 105         CPPUNIT_ASSERT_MESSAGE( "Fraction #4 ReduceInaccurate reduce to 61 bit failed",
 106                                 aFract4.GetNumerator() == 0x3D55555555555555 &&
 107                                 aFract4.GetDenominator() == 0x1AAAAAAAAAAAAAAA );
 108 #endif
 109     }
 110
 111     CPPUNIT_TEST_SUITE(FractionTest);
 112     CPPUNIT_TEST(testFraction);
 113     CPPUNIT_TEST_SUITE_END();
 114 };
 115
 116 // -----------------------------------------------------------------------------
 117 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(tools::FractionTest, "FractionTest");
 118 } // namespace tools
 119
 120
 121 // -----------------------------------------------------------------------------
 122
 123 // this macro creates an empty function, which will called by the RegisterAllFunctions()
 124 // to let the user the possibility to also register some functions by hand.
 125 NOADDITIONAL;
 126