tests/arrays/arrays.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/arrays/arrays.cpp
   3 // Purpose:     wxArray unit test
   4 // Author:      Vadim Zeitlin, Wlodzimierz ABX Skiba
   5 // Created:     2004-04-01
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
   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/dynarray.h"
  25
  26 // ----------------------------------------------------------------------------
  27 // helpers for testing values and sizes
  28 // ----------------------------------------------------------------------------
  29
  30 #define COMPARE_VALUE( array , index , value ) ( array.Item( index ) == value )
  31
  32 #define COMPARE_2_VALUES( array , p0 , p1 ) \
  33     COMPARE_VALUE( array , 0 , p0 ) && \
  34     COMPARE_VALUE( array , 1 , p1 )
  35
  36 #define COMPARE_3_VALUES( array , p0 , p1 , p2 ) \
  37     COMPARE_2_VALUES( array , p0 , p1 ) && \
  38     COMPARE_VALUE( array , 2 , p2 )
  39
  40 #define COMPARE_4_VALUES( array , p0 , p1 , p2 , p3 ) \
  41     COMPARE_3_VALUES( array , p0 , p1 , p2 ) && \
  42     COMPARE_VALUE( array , 3 , p3 )
  43
  44 #define COMPARE_5_VALUES( array , p0 , p1 , p2 , p3 , p4 ) \
  45     COMPARE_4_VALUES( array , p0 , p1 , p2 , p3 ) && \
  46     COMPARE_VALUE( array , 4 , p4 )
  47
  48 #define COMPARE_6_VALUES( array , p0 , p1 , p2 , p3 , p4 , p5 ) \
  49     COMPARE_5_VALUES( array , p0 , p1 , p2 , p3 , p4 ) && \
  50     COMPARE_VALUE( array , 5 , p5 )
  51
  52 #define COMPARE_7_VALUES( array , p0 , p1 , p2 , p3 , p4 , p5 , p6 ) \
  53     COMPARE_6_VALUES( array , p0 , p1 , p2 , p3 , p4 , p5 ) && \
  54     COMPARE_VALUE( array , 6 , p6 )
  55
  56 #define COMPARE_8_VALUES( array , p0 , p1 , p2 , p3 , p4 , p5 , p6 , p7 ) \
  57     COMPARE_7_VALUES( array , p0 , p1 , p2 , p3 , p4 , p5 , p6 ) && \
  58     COMPARE_VALUE( array , 7 , p7 )
  59
  60 #define COMPARE_9_VALUES( array , p0 , p1 , p2 , p3 , p4 , p5 , p6 , p7 , p8 ) \
  61     COMPARE_8_VALUES( array , p0 , p1 , p2 , p3 , p4 , p5 , p6 , p7 ) && \
  62     COMPARE_VALUE( array , 8 , p8 )
  63
  64 #define COMPARE_10_VALUES( array , p0 , p1 , p2 , p3 , p4 , p5 , p6 , p7 , p8 , p9 ) \
  65     COMPARE_9_VALUES( array , p0 , p1 , p2 , p3 , p4 , p5 , p6 , p7 , p8 ) && \
  66     COMPARE_VALUE( array , 9 , p9 )
  67
  68 #define COMPARE_COUNT( array , n ) \
  69     ( array.GetCount() == n ) && \
  70     ( array.Last() == array.Item( n - 1 ) )
  71
  72 // ----------------------------------------------------------------------------
  73 // helpers for testing wxObjArray
  74 // ----------------------------------------------------------------------------
  75
  76 class Bar
  77 {
  78 public:
  79     Bar(const wxString& name) : m_name(name) { ms_bars++; }
  80     Bar(const Bar& bar) : m_name(bar.m_name) { ms_bars++; }
  81    ~Bar() { ms_bars--; }
  82
  83    static size_t GetNumber() { return ms_bars; }
  84
  85    const wxChar *GetName() const { return m_name; }
  86
  87 private:
  88    wxString m_name;
  89
  90    static size_t ms_bars;
  91 };
  92
  93 size_t Bar::ms_bars = 0;
  94
  95 WX_DECLARE_OBJARRAY(Bar, ArrayBars);
  96 #include "wx/arrimpl.cpp"
  97 WX_DEFINE_OBJARRAY(ArrayBars);
  98
  99 // ----------------------------------------------------------------------------
 100 // helpers for sorting arrays and comparing items
 101 // ----------------------------------------------------------------------------
 102
 103 int wxCMPFUNC_CONV StringLenCompare(const wxString& first,
 104                                     const wxString& second)
 105 {
 106     return first.length() - second.length();
 107 }
 108
 109 #define DEFINE_COMPARE(name, T)                                               \
 110                                                                               \
 111 int wxCMPFUNC_CONV name ## CompareValues(T first, T second)                   \
 112 {                                                                             \
 113     return first - second;                                                    \
 114 }                                                                             \
 115                                                                               \
 116 int wxCMPFUNC_CONV name ## Compare(T* first, T* second)                       \
 117 {                                                                             \
 118     return *first - *second;                                                  \
 119 }                                                                             \
 120                                                                               \
 121 int wxCMPFUNC_CONV name ## RevCompare(T* first, T* second)                    \
 122 {                                                                             \
 123     return *second - *first;                                                  \
 124 }                                                                             \
 125
 126 typedef unsigned short ushort;
 127
 128 DEFINE_COMPARE(UShort, ushort);
 129 DEFINE_COMPARE(Int, int);
 130
 131 WX_DEFINE_ARRAY_SHORT(ushort, wxArrayUShort);
 132 WX_DEFINE_SORTED_ARRAY_SHORT(ushort, wxSortedArrayUShortNoCmp);
 133 WX_DEFINE_SORTED_ARRAY_CMP_SHORT(ushort, UShortCompareValues, wxSortedArrayUShort);
 134 WX_DEFINE_SORTED_ARRAY_CMP_INT(int, IntCompareValues, wxSortedArrayInt);
 135
 136 // ----------------------------------------------------------------------------
 137 // test class
 138 // ----------------------------------------------------------------------------
 139
 140 class ArraysTestCase : public CppUnit::TestCase
 141 {
 142 public:
 143     ArraysTestCase() { }
 144
 145 private:
 146     CPPUNIT_TEST_SUITE( ArraysTestCase );
 147         CPPUNIT_TEST( wxStringArrayTest );
 148         CPPUNIT_TEST( wxObjArrayTest );
 149         CPPUNIT_TEST( wxArrayUShortTest );
 150         CPPUNIT_TEST( wxArrayIntTest );
 151         CPPUNIT_TEST( TestSTL );
 152         CPPUNIT_TEST( Alloc );
 153     CPPUNIT_TEST_SUITE_END();
 154
 155     void wxStringArrayTest();
 156     void wxObjArrayTest();
 157     void wxArrayUShortTest();
 158     void wxArrayIntTest();
 159     void TestSTL();
 160     void Alloc();
 161
 162     DECLARE_NO_COPY_CLASS(ArraysTestCase)
 163 };
 164
 165 // register in the unnamed registry so that these tests are run by default
 166 CPPUNIT_TEST_SUITE_REGISTRATION( ArraysTestCase );
 167
 168 // also include in it's own registry so that these tests can be run alone
 169 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ArraysTestCase, "ArraysTestCase" );
 170
 171 void ArraysTestCase::wxStringArrayTest()
 172 {
 173     wxArrayString a1;
 174     a1.Add(_T("thermit"));
 175     a1.Add(_T("condor"));
 176     a1.Add(_T("lion"), 3);
 177     a1.Add(_T("dog"));
 178     a1.Add(_T("human"));
 179     a1.Add(_T("alligator"));
 180
 181     CPPUNIT_ASSERT( COMPARE_8_VALUES( a1 , _T("thermit") ,
 182                                            _T("condor") ,
 183                                            _T("lion") ,
 184                                            _T("lion") ,
 185                                            _T("lion") ,
 186                                            _T("dog") ,
 187                                            _T("human") ,
 188                                            _T("alligator") ) );
 189     CPPUNIT_ASSERT( COMPARE_COUNT( a1 , 8 ) );
 190
 191     wxArrayString a2(a1);
 192
 193     CPPUNIT_ASSERT( COMPARE_8_VALUES( a2 , _T("thermit") ,
 194                                            _T("condor") ,
 195                                            _T("lion") ,
 196                                            _T("lion") ,
 197                                            _T("lion") ,
 198                                            _T("dog") ,
 199                                            _T("human") ,
 200                                            _T("alligator") ) );
 201     CPPUNIT_ASSERT( COMPARE_COUNT( a2 , 8 ) );
 202
 203     wxSortedArrayString a3(a1);
 204
 205     CPPUNIT_ASSERT( COMPARE_8_VALUES( a3 , _T("alligator") ,
 206                                            _T("condor") ,
 207                                            _T("dog") ,
 208                                            _T("human") ,
 209                                            _T("lion") ,
 210                                            _T("lion") ,
 211                                            _T("lion") ,
 212                                            _T("thermit") ) );
 213     CPPUNIT_ASSERT( COMPARE_COUNT( a3 , 8 ) );
 214
 215     wxSortedArrayString a4;
 216     for (wxArrayString::iterator it = a1.begin(), en = a1.end(); it != en; ++it)
 217         a4.Add(*it);
 218
 219     CPPUNIT_ASSERT( COMPARE_8_VALUES( a4 , _T("alligator") ,
 220                                            _T("condor") ,
 221                                            _T("dog") ,
 222                                            _T("human") ,
 223                                            _T("lion") ,
 224                                            _T("lion") ,
 225                                            _T("lion") ,
 226                                            _T("thermit") ) );
 227     CPPUNIT_ASSERT( COMPARE_COUNT( a4 , 8 ) );
 228
 229     a1.RemoveAt(2,3);
 230
 231     CPPUNIT_ASSERT( COMPARE_5_VALUES( a1 , _T("thermit") ,
 232                                            _T("condor") ,
 233                                            _T("dog") ,
 234                                            _T("human") ,
 235                                            _T("alligator") ) );
 236     CPPUNIT_ASSERT( COMPARE_COUNT( a1 , 5 ) );
 237
 238     a2 = a1;
 239
 240     CPPUNIT_ASSERT( COMPARE_5_VALUES( a2 , _T("thermit") ,
 241                                            _T("condor") ,
 242                                            _T("dog") ,
 243                                            _T("human") ,
 244                                            _T("alligator") ) );
 245     CPPUNIT_ASSERT( COMPARE_COUNT( a2 , 5 ) );
 246
 247     a1.Sort(false);
 248
 249     CPPUNIT_ASSERT( COMPARE_5_VALUES( a1 , _T("alligator") ,
 250                                            _T("condor") ,
 251                                            _T("dog") ,
 252                                            _T("human") ,
 253                                            _T("thermit") ) );
 254     CPPUNIT_ASSERT( COMPARE_COUNT( a1 , 5 ) );
 255
 256     a1.Sort(true);
 257
 258     CPPUNIT_ASSERT( COMPARE_5_VALUES( a1 , _T("thermit") ,
 259                                            _T("human") ,
 260                                            _T("dog") ,
 261                                            _T("condor") ,
 262                                            _T("alligator") ) );
 263     CPPUNIT_ASSERT( COMPARE_COUNT( a1 , 5 ) );
 264
 265     a1.Sort(&StringLenCompare);
 266
 267     CPPUNIT_ASSERT( COMPARE_5_VALUES( a1 , _T("dog") ,
 268                                            _T("human") ,
 269                                            _T("condor") ,
 270                                            _T("thermit") ,
 271                                            _T("alligator") ) );
 272     CPPUNIT_ASSERT( COMPARE_COUNT( a1 , 5 ) );
 273     CPPUNIT_ASSERT( a1.Index( _T("dog") ) == 0 );
 274     CPPUNIT_ASSERT( a1.Index( _T("human") ) == 1 );
 275     CPPUNIT_ASSERT( a1.Index( _T("humann") ) == wxNOT_FOUND );
 276     CPPUNIT_ASSERT( a1.Index( _T("condor") ) == 2 );
 277     CPPUNIT_ASSERT( a1.Index( _T("thermit") ) == 3 );
 278     CPPUNIT_ASSERT( a1.Index( _T("alligator") ) == 4 );
 279
 280     wxArrayString a5;
 281
 282     CPPUNIT_ASSERT( a5.Add( _T("x"), 1 ) == 0 );
 283     CPPUNIT_ASSERT( a5.Add( _T("a"), 3 ) == 1 );
 284
 285     CPPUNIT_ASSERT( COMPARE_4_VALUES( a5, _T("x") ,
 286                                           _T("a") ,
 287                                           _T("a") ,
 288                                           _T("a") ) );
 289 }
 290
 291 void ArraysTestCase::wxObjArrayTest()
 292 {
 293     {
 294         ArrayBars bars;
 295         Bar bar(_T("first bar in general, second bar in array (two copies!)"));
 296
 297         CPPUNIT_ASSERT( bars.GetCount() == 0 );
 298         CPPUNIT_ASSERT( Bar::GetNumber() == 1 );
 299
 300         bars.Add(new Bar(_T("first bar in array")));
 301         bars.Add(bar,2);
 302
 303         CPPUNIT_ASSERT( bars.GetCount() == 3 );
 304         CPPUNIT_ASSERT( Bar::GetNumber() == 4 );
 305
 306         bars.RemoveAt(1, bars.GetCount() - 1);
 307
 308         CPPUNIT_ASSERT( bars.GetCount() == 1 );
 309         CPPUNIT_ASSERT( Bar::GetNumber() == 2 );
 310
 311         bars.Empty();
 312
 313         CPPUNIT_ASSERT( bars.GetCount() == 0 );
 314         CPPUNIT_ASSERT( Bar::GetNumber() == 1 );
 315     }
 316     CPPUNIT_ASSERT( Bar::GetNumber() == 0 );
 317 }
 318
 319 #define TestArrayOf(name)                                                     \
 320                                                                               \
 321 void ArraysTestCase::wxArray ## name ## Test()                                \
 322 {                                                                             \
 323     wxArray##name a;                                                          \
 324     a.Add(1);                                                                 \
 325     a.Add(17,2);                                                              \
 326     a.Add(5,3);                                                               \
 327     a.Add(3,4);                                                               \
 328                                                                               \
 329     CPPUNIT_ASSERT( COMPARE_10_VALUES(a,1,17,17,5,5,5,3,3,3,3) );             \
 330     CPPUNIT_ASSERT( COMPARE_COUNT( a , 10 ) );                                \
 331                                                                               \
 332     a.Sort(name ## Compare);                                                  \
 333                                                                               \
 334     CPPUNIT_ASSERT( COMPARE_10_VALUES(a,1,3,3,3,3,5,5,5,17,17) );             \
 335     CPPUNIT_ASSERT( COMPARE_COUNT( a , 10 ) );                                \
 336                                                                               \
 337     a.Sort(name ## RevCompare);                                               \
 338                                                                               \
 339     CPPUNIT_ASSERT( COMPARE_10_VALUES(a,17,17,5,5,5,3,3,3,3,1) );             \
 340     CPPUNIT_ASSERT( COMPARE_COUNT( a , 10 ) );                                \
 341                                                                               \
 342     wxSortedArray##name b;                                                    \
 343                                                                               \
 344     b.Add(1);                                                                 \
 345     b.Add(17);                                                                \
 346     b.Add(5);                                                                 \
 347     b.Add(3);                                                                 \
 348                                                                               \
 349     CPPUNIT_ASSERT( COMPARE_4_VALUES(b,1,3,5,17) );                           \
 350     CPPUNIT_ASSERT( COMPARE_COUNT( b , 4 ) );                                 \
 351     CPPUNIT_ASSERT( b.Index( 0 ) == wxNOT_FOUND );                            \
 352     CPPUNIT_ASSERT( b.Index( 1 ) == 0 );                                      \
 353     CPPUNIT_ASSERT( b.Index( 3 ) == 1 );                                      \
 354     CPPUNIT_ASSERT( b.Index( 4 ) == wxNOT_FOUND );                            \
 355     CPPUNIT_ASSERT( b.Index( 5 ) == 2 );                                      \
 356     CPPUNIT_ASSERT( b.Index( 6 ) == wxNOT_FOUND );                            \
 357     CPPUNIT_ASSERT( b.Index( 17 ) == 3 );                                     \
 358 }
 359
 360 TestArrayOf(UShort);
 361
 362 TestArrayOf(Int);
 363
 364 void ArraysTestCase::Alloc()
 365 {
 366     wxArrayInt a;
 367     a.Add(17);
 368     a.Add(9);
 369     CPPUNIT_ASSERT_EQUAL( 2u, a.GetCount() );
 370
 371     a.Alloc(1000);
 372
 373     CPPUNIT_ASSERT_EQUAL( 2u, a.GetCount() );
 374     CPPUNIT_ASSERT_EQUAL( 17, a[0] );
 375     CPPUNIT_ASSERT_EQUAL( 9, a[1] );
 376 }
 377
 378 void ArraysTestCase::TestSTL()
 379 {
 380     wxArrayInt list1;
 381     wxArrayInt::iterator it, en;
 382     wxArrayInt::reverse_iterator rit, ren;
 383     int i;
 384     static const int COUNT = 5;
 385
 386     for ( i = 0; i < COUNT; ++i )
 387         list1.push_back(i);
 388
 389     CPPUNIT_ASSERT( list1.capacity() >= (size_t)COUNT );
 390     CPPUNIT_ASSERT_EQUAL( (size_t)COUNT, list1.size() );
 391
 392     for ( it = list1.begin(), en = list1.end(), i = 0;
 393           it != en; ++it, ++i )
 394     {
 395         CPPUNIT_ASSERT( *it == i );
 396     }
 397
 398     CPPUNIT_ASSERT_EQUAL( COUNT, i );
 399
 400     for ( rit = list1.rbegin(), ren = list1.rend(), i = COUNT;
 401           rit != ren; ++rit, --i )
 402     {
 403         CPPUNIT_ASSERT( *rit == i-1 );
 404     }
 405
 406     CPPUNIT_ASSERT_EQUAL( 0, i );
 407
 408     CPPUNIT_ASSERT( *list1.rbegin() == *(list1.end()-1) &&
 409                     *list1.begin() == *(list1.rend()-1) );
 410
 411     it = list1.begin()+1;
 412     rit = list1.rbegin()+1;
 413     CPPUNIT_ASSERT( *list1.begin() == *(it-1) &&
 414                     *list1.rbegin() == *(rit-1) );
 415
 416     CPPUNIT_ASSERT( ( list1.front() == 0 ) && ( list1.back() == COUNT - 1 ) );
 417
 418     list1.erase(list1.begin());
 419     list1.erase(list1.end()-1);
 420
 421     for ( it = list1.begin(), en = list1.end(), i = 1;
 422           it != en; ++it, ++i )
 423     {
 424         CPPUNIT_ASSERT( *it == i );
 425     }
 426 }