tests/strings/numformatter.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/strings/numformat.cpp
   3 // Purpose:     wxNumberFormatter unit test
   4 // Author:      Vadim Zeitlin
   5 // Created:     2011-01-15
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #include "wx/numformatter.h"
  21 #include "wx/intl.h"
  22
  23 // ----------------------------------------------------------------------------
  24 // test class
  25 // ----------------------------------------------------------------------------
  26
  27 class NumFormatterTestCase : public CppUnit::TestCase
  28 {
  29 public:
  30     NumFormatterTestCase()
  31     {
  32         // We need to use a locale with known decimal point and which uses the
  33         // thousands separator for the tests to make sense.
  34         wxLanguage lang;
  35         if ( wxLocale::IsAvailable(wxLANGUAGE_ENGLISH_US) )
  36             lang = wxLANGUAGE_ENGLISH_US;
  37         else if ( wxLocale::IsAvailable(wxLANGUAGE_ENGLISH_UK) )
  38             lang = wxLANGUAGE_ENGLISH_UK;
  39         else
  40         {
  41             m_locale = NULL;
  42             return;
  43         }
  44
  45         m_locale = new wxLocale(lang, wxLOCALE_DONT_LOAD_DEFAULT);
  46     }
  47
  48     virtual ~NumFormatterTestCase()
  49     {
  50         delete m_locale;
  51     }
  52
  53 private:
  54     CPPUNIT_TEST_SUITE( NumFormatterTestCase );
  55         CPPUNIT_TEST( LongToString );
  56         CPPUNIT_TEST( DoubleToString );
  57         CPPUNIT_TEST( NoTrailingZeroes );
  58         CPPUNIT_TEST( LongFromString );
  59         CPPUNIT_TEST( DoubleFromString );
  60     CPPUNIT_TEST_SUITE_END();
  61
  62     void LongToString();
  63     void DoubleToString();
  64     void NoTrailingZeroes();
  65     void LongFromString();
  66     void DoubleFromString();
  67
  68     wxLocale *m_locale;
  69
  70     wxDECLARE_NO_COPY_CLASS(NumFormatterTestCase);
  71 };
  72
  73 // register in the unnamed registry so that these tests are run by default
  74 CPPUNIT_TEST_SUITE_REGISTRATION( NumFormatterTestCase );
  75
  76 // also include in it's own registry so that these tests can be run alone
  77 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( NumFormatterTestCase, "NumFormatterTestCase" );
  78
  79 // ----------------------------------------------------------------------------
  80 // tests themselves
  81 // ----------------------------------------------------------------------------
  82
  83 void NumFormatterTestCase::LongToString()
  84 {
  85     if ( !m_locale )
  86         return;
  87
  88     CPPUNIT_ASSERT_EQUAL(          "1", wxNumberFormatter::ToString(         1));
  89     CPPUNIT_ASSERT_EQUAL(         "12", wxNumberFormatter::ToString(        12));
  90     CPPUNIT_ASSERT_EQUAL(        "123", wxNumberFormatter::ToString(       123));
  91     CPPUNIT_ASSERT_EQUAL(      "1,234", wxNumberFormatter::ToString(      1234));
  92     CPPUNIT_ASSERT_EQUAL(     "12,345", wxNumberFormatter::ToString(     12345));
  93     CPPUNIT_ASSERT_EQUAL(    "123,456", wxNumberFormatter::ToString(    123456));
  94     CPPUNIT_ASSERT_EQUAL(  "1,234,567", wxNumberFormatter::ToString(   1234567));
  95     CPPUNIT_ASSERT_EQUAL( "12,345,678", wxNumberFormatter::ToString(  12345678));
  96     CPPUNIT_ASSERT_EQUAL("123,456,789", wxNumberFormatter::ToString( 123456789));
  97 }
  98
  99 void NumFormatterTestCase::DoubleToString()
 100 {
 101     if ( !m_locale )
 102         return;
 103
 104     CPPUNIT_ASSERT_EQUAL("1.0", wxNumberFormatter::ToString(1., 1));
 105     CPPUNIT_ASSERT_EQUAL("0.123456", wxNumberFormatter::ToString(0.123456, 6));
 106     CPPUNIT_ASSERT_EQUAL("1.234567", wxNumberFormatter::ToString(1.234567, 6));
 107     CPPUNIT_ASSERT_EQUAL("12.34567", wxNumberFormatter::ToString(12.34567, 5));
 108     CPPUNIT_ASSERT_EQUAL("123.4567", wxNumberFormatter::ToString(123.4567, 4));
 109     CPPUNIT_ASSERT_EQUAL("1,234.56", wxNumberFormatter::ToString(1234.56, 2));
 110     CPPUNIT_ASSERT_EQUAL("12,345.6", wxNumberFormatter::ToString(12345.6, 1));
 111     CPPUNIT_ASSERT_EQUAL("12,345.6", wxNumberFormatter::ToString(12345.6, 1));
 112     CPPUNIT_ASSERT_EQUAL("123,456,789.0",
 113                          wxNumberFormatter::ToString(123456789., 1));
 114     CPPUNIT_ASSERT_EQUAL("123,456,789.012",
 115                          wxNumberFormatter::ToString(123456789.012, 3));
 116 }
 117
 118 void NumFormatterTestCase::NoTrailingZeroes()
 119 {
 120     WX_ASSERT_FAILS_WITH_ASSERT
 121     (
 122         wxNumberFormatter::ToString(123L, wxNumberFormatter::Style_NoTrailingZeroes)
 123     );
 124
 125     if ( !m_locale )
 126         return;
 127
 128     CPPUNIT_ASSERT_EQUAL
 129     (
 130         "123.000",
 131         wxNumberFormatter::ToString(123., 3)
 132     );
 133
 134     CPPUNIT_ASSERT_EQUAL
 135     (
 136         "123",
 137         wxNumberFormatter::ToString(123., 3, wxNumberFormatter::Style_NoTrailingZeroes)
 138     );
 139
 140     CPPUNIT_ASSERT_EQUAL
 141     (
 142         "123",
 143         wxNumberFormatter::ToString(123., 9, wxNumberFormatter::Style_NoTrailingZeroes)
 144     );
 145
 146     CPPUNIT_ASSERT_EQUAL
 147     (
 148         "123.456",
 149         wxNumberFormatter::ToString(123.456, 3, wxNumberFormatter::Style_NoTrailingZeroes)
 150     );
 151
 152     CPPUNIT_ASSERT_EQUAL
 153     (
 154         "123.456000000",
 155         wxNumberFormatter::ToString(123.456, 9)
 156     );
 157
 158     CPPUNIT_ASSERT_EQUAL
 159     (
 160         "123.456",
 161         wxNumberFormatter::ToString(123.456, 9, wxNumberFormatter::Style_NoTrailingZeroes)
 162     );
 163 }
 164
 165 void NumFormatterTestCase::LongFromString()
 166 {
 167     if ( !m_locale )
 168         return;
 169
 170     WX_ASSERT_FAILS_WITH_ASSERT
 171     (
 172         wxNumberFormatter::FromString("123", static_cast<long *>(0))
 173     );
 174
 175     long l;
 176     CPPUNIT_ASSERT( !wxNumberFormatter::FromString("", &l) );
 177     CPPUNIT_ASSERT( !wxNumberFormatter::FromString("foo", &l) );
 178     CPPUNIT_ASSERT( !wxNumberFormatter::FromString("1.234", &l) );
 179
 180     CPPUNIT_ASSERT( wxNumberFormatter::FromString("123", &l) );
 181     CPPUNIT_ASSERT_EQUAL( 123, l );
 182
 183     CPPUNIT_ASSERT( wxNumberFormatter::FromString("1234", &l) );
 184     CPPUNIT_ASSERT_EQUAL( 1234, l );
 185
 186     CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234", &l) );
 187     CPPUNIT_ASSERT_EQUAL( 1234, l );
 188
 189     CPPUNIT_ASSERT( wxNumberFormatter::FromString("12,345", &l) );
 190     CPPUNIT_ASSERT_EQUAL( 12345, l );
 191
 192     CPPUNIT_ASSERT( wxNumberFormatter::FromString("123,456", &l) );
 193     CPPUNIT_ASSERT_EQUAL( 123456, l );
 194
 195     CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234,567", &l) );
 196     CPPUNIT_ASSERT_EQUAL( 1234567, l );
 197 }
 198
 199 void NumFormatterTestCase::DoubleFromString()
 200 {
 201     if ( !m_locale )
 202         return;
 203
 204     WX_ASSERT_FAILS_WITH_ASSERT
 205     (
 206         wxNumberFormatter::FromString("123", static_cast<double *>(0))
 207     );
 208
 209     double d;
 210     CPPUNIT_ASSERT( !wxNumberFormatter::FromString("", &d) );
 211     CPPUNIT_ASSERT( !wxNumberFormatter::FromString("bar", &d) );
 212
 213     CPPUNIT_ASSERT( wxNumberFormatter::FromString("123", &d) );
 214     CPPUNIT_ASSERT_EQUAL( 123., d );
 215
 216     CPPUNIT_ASSERT( wxNumberFormatter::FromString("123.456789012", &d) );
 217     CPPUNIT_ASSERT_EQUAL( 123.456789012, d );
 218
 219     CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234.56789012", &d) );
 220     CPPUNIT_ASSERT_EQUAL( 1234.56789012, d );
 221
 222     CPPUNIT_ASSERT( wxNumberFormatter::FromString("12,345.6789012", &d) );
 223     CPPUNIT_ASSERT_EQUAL( 12345.6789012, d );
 224
 225     CPPUNIT_ASSERT( wxNumberFormatter::FromString("123,456.789012", &d) );
 226     CPPUNIT_ASSERT_EQUAL( 123456.789012, d );
 227
 228     CPPUNIT_ASSERT( wxNumberFormatter::FromString("1,234,567.89012", &d) );
 229     CPPUNIT_ASSERT_EQUAL( 1234567.89012, d );
 230
 231     CPPUNIT_ASSERT( wxNumberFormatter::FromString("12,345,678.9012", &d) );
 232     CPPUNIT_ASSERT_EQUAL( 12345678.9012, d );
 233
 234     CPPUNIT_ASSERT( wxNumberFormatter::FromString("123,456,789.012", &d) );
 235     CPPUNIT_ASSERT_EQUAL( 123456789.012, d );
 236
 237     CPPUNIT_ASSERT( wxNumberFormatter::FromString("123456789.012", &d) );
 238     CPPUNIT_ASSERT_EQUAL( 123456789.012, d );
 239 }