tests/vectors/vectors.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/vectors/vectors.cpp
   3 // Purpose:     wxVector<T> unit test
   4 // Author:      Vaclav Slavik
   5 // Created:     2007-07-07
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2007 Vaclav Slavik
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/wx.h"
  22 #endif // WX_PRECOMP
  23
  24 #include "wx/vector.h"
  25
  26 // --------------------------------------------------------------------------
  27 // test class
  28 // --------------------------------------------------------------------------
  29
  30 class VectorsTestCase : public CppUnit::TestCase
  31 {
  32 public:
  33     VectorsTestCase() {}
  34
  35 private:
  36     CPPUNIT_TEST_SUITE( VectorsTestCase );
  37         CPPUNIT_TEST( PushPopTest );
  38         CPPUNIT_TEST( Insert );
  39         CPPUNIT_TEST( Erase );
  40         CPPUNIT_TEST( Iterators );
  41     CPPUNIT_TEST_SUITE_END();
  42
  43     void PushPopTest();
  44     void Insert();
  45     void Erase();
  46     void Iterators();
  47
  48     DECLARE_NO_COPY_CLASS(VectorsTestCase)
  49 };
  50
  51 // register in the unnamed registry so that these tests are run by default
  52 CPPUNIT_TEST_SUITE_REGISTRATION( VectorsTestCase );
  53
  54 // also include in it's own registry so that these tests can be run alone
  55 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( VectorsTestCase, "VectorsTestCase" );
  56
  57 void VectorsTestCase::PushPopTest()
  58 {
  59     wxVector<int> v;
  60
  61     CPPUNIT_ASSERT( v.size() == 0 );
  62     v.push_back(1);
  63     CPPUNIT_ASSERT( v.size() == 1 );
  64     v.push_back(2);
  65     CPPUNIT_ASSERT( v.size() == 2 );
  66     v.push_back(42);
  67     CPPUNIT_ASSERT( v.size() == 3 );
  68
  69     CPPUNIT_ASSERT( v[0] == 1 );
  70     CPPUNIT_ASSERT( v[1] == 2 );
  71     CPPUNIT_ASSERT( v[2] == 42 );
  72
  73     v.pop_back();
  74     CPPUNIT_ASSERT( v.size() == 2 );
  75     CPPUNIT_ASSERT( v[0] == 1 );
  76     CPPUNIT_ASSERT( v[1] == 2 );
  77
  78     v.pop_back();
  79     CPPUNIT_ASSERT( v.size() == 1 );
  80     CPPUNIT_ASSERT( v[0] == 1 );
  81
  82     v.pop_back();
  83     CPPUNIT_ASSERT( v.size() == 0 );
  84     CPPUNIT_ASSERT( v.empty() );
  85
  86     wxVector<char> vEmpty;
  87 }
  88
  89 void VectorsTestCase::Insert()
  90 {
  91     wxVector<char> v;
  92
  93     v.insert(v.end(), 'a');
  94     CPPUNIT_ASSERT( v.size() == 1 );
  95     CPPUNIT_ASSERT( v[0] == 'a' );
  96
  97     v.insert(v.end(), 'b');
  98     CPPUNIT_ASSERT( v.size() == 2 );
  99     CPPUNIT_ASSERT( v[0] == 'a' );
 100     CPPUNIT_ASSERT( v[1] == 'b' );
 101
 102     v.insert(v.begin(), '0');
 103     CPPUNIT_ASSERT( v.size() == 3 );
 104     CPPUNIT_ASSERT( v[0] == '0' );
 105     CPPUNIT_ASSERT( v[1] == 'a' );
 106     CPPUNIT_ASSERT( v[2] == 'b' );
 107
 108     v.insert(v.begin() + 2, 'X');
 109     CPPUNIT_ASSERT( v.size() == 4 );
 110     CPPUNIT_ASSERT( v[0] == '0' );
 111     CPPUNIT_ASSERT( v[1] == 'a' );
 112     CPPUNIT_ASSERT( v[2] == 'X' );
 113     CPPUNIT_ASSERT( v[3] == 'b' );
 114 }
 115
 116 void VectorsTestCase::Erase()
 117 {
 118     wxVector<int> v;
 119
 120     v.push_back(1);
 121     v.push_back(2);
 122     v.push_back(3);
 123     v.push_back(4);
 124     CPPUNIT_ASSERT( v.size() == 4 );
 125
 126     v.erase(v.begin(), v.end()-1);
 127     CPPUNIT_ASSERT( v.size() == 1 );
 128     CPPUNIT_ASSERT( v[0] == 4 );
 129
 130     v.clear();
 131     v.push_back(1);
 132     v.push_back(2);
 133     v.push_back(3);
 134     v.push_back(4);
 135     CPPUNIT_ASSERT( v.size() == 4 );
 136
 137     v.erase(v.begin());
 138     CPPUNIT_ASSERT( v.size() == 3 );
 139     CPPUNIT_ASSERT( v[0] == 2 );
 140     CPPUNIT_ASSERT( v[1] == 3 );
 141     CPPUNIT_ASSERT( v[2] == 4 );
 142 }
 143
 144 void VectorsTestCase::Iterators()
 145 {
 146     wxVector<int> v;
 147     v.push_back(1);
 148     v.push_back(2);
 149     v.push_back(3);
 150     v.push_back(4);
 151
 152     int value = 1;
 153     for ( wxVector<int>::iterator i = v.begin(); i != v.end(); ++i, ++value )
 154     {
 155         CPPUNIT_ASSERT_EQUAL( value, *i );
 156     }
 157 }