tests/any/anytest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/any/anytest.cpp
   3 // Purpose:     Test the wxAny classes
   4 // Author:      Jaakko Salli
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) the wxWidgets team
   7 // Licence:     wxWindows licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 #include "testprec.h"
  11
  12 #ifdef __BORLANDC__
  13 #   pragma hdrstop
  14 #endif
  15
  16 #if wxUSE_ANY
  17
  18 #include "wx/any.h"
  19 #include "wx/datetime.h"
  20
  21 #include <math.h>
  22
  23 // ----------------------------------------------------------------------------
  24 // test class
  25 // ----------------------------------------------------------------------------
  26
  27 class wxAnyTestCase : public CppUnit::TestCase
  28 {
  29 public:
  30     wxAnyTestCase();
  31
  32 private:
  33     CPPUNIT_TEST_SUITE( wxAnyTestCase );
  34         CPPUNIT_TEST( Equality );
  35         CPPUNIT_TEST( As );
  36         CPPUNIT_TEST( GetAs );
  37         CPPUNIT_TEST( Null );
  38         CPPUNIT_TEST( CustomTemplateSpecialization );
  39     CPPUNIT_TEST_SUITE_END();
  40
  41     void Equality();
  42     void As();
  43     void GetAs();
  44     void Null();
  45     void CustomTemplateSpecialization();
  46
  47     wxDateTime m_testDateTime;
  48
  49     wxAny   m_anySignedChar1;
  50     wxAny   m_anySignedShort1;
  51     wxAny   m_anySignedInt1;
  52     wxAny   m_anySignedLong1;
  53     wxAny   m_anySignedLongLong1;
  54     wxAny   m_anyUnsignedChar1;
  55     wxAny   m_anyUnsignedShort1;
  56     wxAny   m_anyUnsignedInt1;
  57     wxAny   m_anyUnsignedLong1;
  58     wxAny   m_anyUnsignedLongLong1;
  59     wxAny   m_anyStringString1;
  60     wxAny   m_anyCharString1;
  61     wxAny   m_anyWcharString1;
  62     wxAny   m_anyBool1;
  63     wxAny   m_anyFloatDouble1;
  64     wxAny   m_anyDoubleDouble1;
  65     wxAny   m_anyWxObjectPtr1;
  66     wxAny   m_anyVoidPtr1;
  67     wxAny   m_anyDateTime1;
  68
  69     wxAny   m_anySignedChar2;
  70     wxAny   m_anySignedShort2;
  71     wxAny   m_anySignedInt2;
  72     wxAny   m_anySignedLong2;
  73     wxAny   m_anySignedLongLong2;
  74     wxAny   m_anyUnsignedChar2;
  75     wxAny   m_anyUnsignedShort2;
  76     wxAny   m_anyUnsignedInt2;
  77     wxAny   m_anyUnsignedLong2;
  78     wxAny   m_anyUnsignedLongLong2;
  79     wxAny   m_anyStringString2;
  80     wxAny   m_anyCharString2;
  81     wxAny   m_anyWcharString2;
  82     wxAny   m_anyBool2;
  83     wxAny   m_anyFloatDouble2;
  84     wxAny   m_anyDoubleDouble2;
  85     wxAny   m_anyWxObjectPtr2;
  86     wxAny   m_anyVoidPtr2;
  87     wxAny   m_anyDateTime2;
  88
  89     DECLARE_NO_COPY_CLASS(wxAnyTestCase)
  90 };
  91
  92 // register in the unnamed registry so that these tests are run by default
  93 CPPUNIT_TEST_SUITE_REGISTRATION( wxAnyTestCase );
  94
  95 // also include in it's own registry so that these tests can be run alone
  96 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( wxAnyTestCase, "wxAnyTestCase" );
  97
  98 // Let's use a number with first digit after decimal dot less than 5,
  99 // so that we don't have to worry about whether conversion from float
 100 // to int truncates or rounds.
 101 const double TEST_FLOAT_CONST = 123.456;
 102
 103 const double FEQ_DELTA = 0.001;
 104
 105 wxObject* dummyWxObjectPointer = reinterpret_cast<wxObject*>(1234);
 106 void* dummyVoidPointer = reinterpret_cast<void*>(1234);
 107
 108
 109 //
 110 // Test both 'creation' methods
 111 wxAnyTestCase::wxAnyTestCase()
 112     : m_anySignedChar1((signed char)15),
 113       m_anySignedShort1((signed short)15),
 114       m_anySignedInt1((signed int)15),
 115       m_anySignedLong1((signed long)15),
 116 #ifdef wxLongLong_t
 117       m_anySignedLongLong1((wxLongLong_t)15),
 118 #endif
 119       m_anyUnsignedChar1((unsigned char)15),
 120       m_anyUnsignedShort1((unsigned short)15),
 121       m_anyUnsignedInt1((unsigned int)15),
 122       m_anyUnsignedLong1((unsigned long)15),
 123 #ifdef wxLongLong_t
 124       m_anyUnsignedLongLong1((wxULongLong_t)15),
 125 #endif
 126       m_anyStringString1(wxString("abc")),
 127       m_anyCharString1("abc"),
 128       m_anyWcharString1(L"abc"),
 129       m_anyBool1(true),
 130       m_anyFloatDouble1((float)TEST_FLOAT_CONST),
 131       m_anyDoubleDouble1((double)TEST_FLOAT_CONST),
 132       m_anyWxObjectPtr1(dummyWxObjectPointer),
 133       m_anyVoidPtr1(dummyVoidPointer),
 134       m_anyDateTime1(wxDateTime::Now())
 135 {
 136     m_testDateTime = wxDateTime::Now();
 137     m_anySignedChar2 = (signed char)15;
 138     m_anySignedShort2 = (signed short)15;
 139     m_anySignedInt2 = (signed int)15;
 140     m_anySignedLong2 = (signed long)15;
 141 #ifdef wxLongLong_t
 142     m_anySignedLongLong2 = (wxLongLong_t)15;
 143 #endif
 144     m_anyUnsignedChar2 = (unsigned char)15;
 145     m_anyUnsignedShort2 = (unsigned short)15;
 146     m_anyUnsignedInt2 = (unsigned int)15;
 147     m_anyUnsignedLong2 = (unsigned long)15;
 148 #ifdef wxLongLong_t
 149     m_anyUnsignedLongLong2 = (wxULongLong_t)15;
 150 #endif
 151     m_anyStringString2 = wxString("abc");
 152     m_anyCharString2 = "abc";
 153     m_anyWcharString2 = L"abc";
 154     m_anyBool2 = true;
 155     m_anyFloatDouble2 = (float)TEST_FLOAT_CONST;
 156     m_anyDoubleDouble2 = (double)TEST_FLOAT_CONST;
 157     m_anyDateTime2 = m_testDateTime;
 158     m_anyWxObjectPtr2 = dummyWxObjectPointer;
 159     m_anyVoidPtr2 = dummyVoidPointer;
 160 }
 161
 162 void wxAnyTestCase::Equality()
 163 {
 164     //
 165     // Currently this should work
 166     CPPUNIT_ASSERT(m_anyUnsignedLong1 == 15L);
 167     CPPUNIT_ASSERT(m_anyUnsignedLong1 != 30L);
 168     CPPUNIT_ASSERT(m_anyUnsignedLong1 == 15UL);
 169     CPPUNIT_ASSERT(m_anyUnsignedLong1 != 30UL);
 170     CPPUNIT_ASSERT(m_anyStringString1 == wxString("abc"));
 171     CPPUNIT_ASSERT(m_anyStringString1 != wxString("ABC"));
 172     CPPUNIT_ASSERT(m_anyStringString1 == "abc");
 173     CPPUNIT_ASSERT(m_anyStringString1 != "ABC");
 174     CPPUNIT_ASSERT(m_anyStringString1 == L"abc");
 175     CPPUNIT_ASSERT(m_anyStringString1 != L"ABC");
 176     CPPUNIT_ASSERT(m_anyBool1 == true);
 177     CPPUNIT_ASSERT(m_anyBool1 != false);
 178     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble1, double),
 179                                  wxANY_AS(m_anyDoubleDouble1, double),
 180                                  FEQ_DELTA);
 181     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble1, double),
 182                                  TEST_FLOAT_CONST,
 183                                  FEQ_DELTA);
 184     CPPUNIT_ASSERT(wxANY_AS(m_anyWxObjectPtr1, wxObject*)
 185                         == dummyWxObjectPointer);
 186     CPPUNIT_ASSERT(wxANY_AS(m_anyVoidPtr1, void*) == dummyVoidPointer);
 187
 188     CPPUNIT_ASSERT(m_anySignedLong2 == 15);
 189     CPPUNIT_ASSERT(m_anyStringString2 == wxString("abc"));
 190     CPPUNIT_ASSERT(m_anyStringString2 == "abc");
 191     CPPUNIT_ASSERT(m_anyStringString2 == L"abc");
 192     CPPUNIT_ASSERT(m_anyBool2 == true);
 193     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble2, double),
 194                                  wxANY_AS(m_anyDoubleDouble2, double),
 195                                  FEQ_DELTA);
 196     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble2, double),
 197                                  TEST_FLOAT_CONST,
 198                                  FEQ_DELTA);
 199     CPPUNIT_ASSERT(wxANY_AS(m_anyWxObjectPtr2, wxObject*)
 200                         == dummyWxObjectPointer);
 201     CPPUNIT_ASSERT(wxANY_AS(m_anyVoidPtr2, void*) == dummyVoidPointer);
 202 }
 203
 204 void wxAnyTestCase::As()
 205 {
 206     //
 207     // Test getting C++ data from wxAny without dynamic conversion
 208     signed char a = wxANY_AS(m_anySignedChar1, signed char);
 209     CPPUNIT_ASSERT(a == (signed int)15);
 210     signed short b = wxANY_AS(m_anySignedShort1, signed short);
 211     CPPUNIT_ASSERT(b == (signed int)15);
 212     signed int c = wxANY_AS(m_anySignedInt1, signed int);
 213     CPPUNIT_ASSERT(c == (signed int)15);
 214     signed long d = wxANY_AS(m_anySignedLong1, signed long);
 215     CPPUNIT_ASSERT(d == (signed int)15);
 216 #ifdef wxLongLong_t
 217     wxLongLong_t e = wxANY_AS(m_anySignedLongLong1, wxLongLong_t);
 218     CPPUNIT_ASSERT(e == (signed int)15);
 219 #endif
 220     unsigned char f = wxANY_AS(m_anyUnsignedChar1, unsigned char);
 221     CPPUNIT_ASSERT(f == (unsigned int)15);
 222     unsigned short g = wxANY_AS(m_anyUnsignedShort1, unsigned short);
 223     CPPUNIT_ASSERT(g == (unsigned int)15);
 224     unsigned int h = wxANY_AS(m_anyUnsignedInt1, unsigned int);
 225     CPPUNIT_ASSERT(h == (unsigned int)15);
 226     unsigned long i = wxANY_AS(m_anyUnsignedLong1, unsigned long);
 227     CPPUNIT_ASSERT(i == (unsigned int)15);
 228 #ifdef wxLongLong_t
 229     wxULongLong_t j = wxANY_AS(m_anyUnsignedLongLong1, wxULongLong_t);
 230     CPPUNIT_ASSERT(j == (unsigned int)15);
 231 #endif
 232     wxString k = wxANY_AS(m_anyStringString1, wxString);
 233     CPPUNIT_ASSERT(k == "abc");
 234     wxString l = wxANY_AS(m_anyCharString1, wxString);
 235     CPPUNIT_ASSERT(l == "abc");
 236     wxString m = wxANY_AS(m_anyWcharString1, wxString);
 237     CPPUNIT_ASSERT(m == "abc");
 238     bool n = wxANY_AS(m_anyBool1, bool);
 239     CPPUNIT_ASSERT(n);
 240     float o = wxANY_AS(m_anyFloatDouble1, float);
 241     CPPUNIT_ASSERT_DOUBLES_EQUAL(o, TEST_FLOAT_CONST, FEQ_DELTA);
 242     double p = wxANY_AS(m_anyDoubleDouble1, double);
 243     CPPUNIT_ASSERT_DOUBLES_EQUAL(p, TEST_FLOAT_CONST, FEQ_DELTA);
 244     wxDateTime q = wxANY_AS(m_anyDateTime1, wxDateTime);
 245     CPPUNIT_ASSERT(q == m_testDateTime);
 246     wxObject* r = wxANY_AS(m_anyWxObjectPtr1, wxObject*);
 247     CPPUNIT_ASSERT(r == dummyWxObjectPointer);
 248     void* s = wxANY_AS(m_anyVoidPtr1, void*);
 249     CPPUNIT_ASSERT(s == dummyVoidPointer);
 250 }
 251
 252 void wxAnyTestCase::Null()
 253 {
 254     wxAny a;
 255     CPPUNIT_ASSERT(a.IsNull());
 256     a = -127;
 257     CPPUNIT_ASSERT(a == -127);
 258     a.MakeNull();
 259     CPPUNIT_ASSERT(a.IsNull());
 260 }
 261
 262 void wxAnyTestCase::GetAs()
 263 {
 264     //
 265     // Test dynamic conversion
 266     bool res;
 267     long l = 0;
 268     unsigned long ul = 0;
 269     wxString s;
 270     // Let's test against float instead of double, since the former
 271     // is not the native underlying type the code converts to, but
 272     // should still work, all the same.
 273     float f = 0.0;
 274     bool b = false;
 275
 276     // Conversions from signed long type
 277     res = m_anySignedLong1.GetAs(&ul);
 278     CPPUNIT_ASSERT(res);
 279     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(15));
 280     res = m_anySignedLong1.GetAs(&s);
 281     CPPUNIT_ASSERT(res);
 282     CPPUNIT_ASSERT(s == "15");
 283     res = m_anySignedLong1.GetAs(&f);
 284     CPPUNIT_ASSERT(res);
 285     CPPUNIT_ASSERT_DOUBLES_EQUAL(f, 15.0, FEQ_DELTA);
 286     res = m_anySignedLong1.GetAs(&b);
 287     CPPUNIT_ASSERT(res);
 288     CPPUNIT_ASSERT(b == true);
 289
 290     // Conversions from unsigned long type
 291     res = m_anyUnsignedLong1.GetAs(&l);
 292     CPPUNIT_ASSERT(res);
 293     CPPUNIT_ASSERT(l == static_cast<signed long>(15));
 294     res = m_anyUnsignedLong1.GetAs(&s);
 295     CPPUNIT_ASSERT(res);
 296     CPPUNIT_ASSERT(s == "15");
 297     res = m_anyUnsignedLong1.GetAs(&f);
 298     CPPUNIT_ASSERT(res);
 299     CPPUNIT_ASSERT_DOUBLES_EQUAL(f, 15.0, FEQ_DELTA);
 300     res = m_anyUnsignedLong1.GetAs(&b);
 301     CPPUNIT_ASSERT(res);
 302     CPPUNIT_ASSERT(b == true);
 303
 304     // Conversions from default "abc" string to other types
 305     // should not work.
 306     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&l));
 307     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&ul));
 308     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&f));
 309     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&b));
 310
 311     // Let's test some other conversions from string that should work.
 312     wxAny anyString;
 313
 314     anyString = "15";
 315     res = anyString.GetAs(&l);
 316     CPPUNIT_ASSERT(res);
 317     CPPUNIT_ASSERT(l == static_cast<signed long>(15));
 318     res = anyString.GetAs(&ul);
 319     CPPUNIT_ASSERT(res);
 320     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(15));
 321     res = anyString.GetAs(&f);
 322     CPPUNIT_ASSERT(res);
 323     CPPUNIT_ASSERT_DOUBLES_EQUAL(f, 15.0, FEQ_DELTA);
 324     anyString = "TRUE";
 325     res = anyString.GetAs(&b);
 326     CPPUNIT_ASSERT(res);
 327     CPPUNIT_ASSERT(b == true);
 328     anyString = "0";
 329     res = anyString.GetAs(&b);
 330     CPPUNIT_ASSERT(res);
 331     CPPUNIT_ASSERT(b == false);
 332
 333     // Conversions from bool type
 334     res = m_anyBool1.GetAs(&l);
 335     CPPUNIT_ASSERT(res);
 336     CPPUNIT_ASSERT(l == static_cast<signed long>(1));
 337     res = m_anyBool1.GetAs(&ul);
 338     CPPUNIT_ASSERT(res);
 339     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(1));
 340     res = m_anyBool1.GetAs(&s);
 341     CPPUNIT_ASSERT(res);
 342     CPPUNIT_ASSERT(s == "true");
 343     CPPUNIT_ASSERT(!m_anyBool1.GetAs(&f));
 344
 345     // Conversions from floating point type
 346     res = m_anyDoubleDouble1.GetAs(&l);
 347     CPPUNIT_ASSERT(res);
 348     CPPUNIT_ASSERT(l == static_cast<signed long>(123));
 349     res = m_anyDoubleDouble1.GetAs(&ul);
 350     CPPUNIT_ASSERT(res);
 351     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(123));
 352     res = m_anyDoubleDouble1.GetAs(&s);
 353     CPPUNIT_ASSERT(res);
 354     double d2;
 355     res = s.ToDouble(&d2);
 356     CPPUNIT_ASSERT(res);
 357     CPPUNIT_ASSERT_DOUBLES_EQUAL(d2, TEST_FLOAT_CONST, FEQ_DELTA);
 358 }
 359
 360 //
 361 // Test user data type specialization of wxAnyValueTypeImpl
 362 //
 363
 364 class MyClass
 365 {
 366 public:
 367     MyClass( int someValue = 32768 )
 368     {
 369         m_someValue = someValue;
 370     }
 371
 372     wxString ToString()
 373     {
 374         return wxString::Format("%i", m_someValue);
 375     }
 376
 377 private:
 378     int     m_someValue;
 379 };
 380
 381
 382 template<>
 383 class wxAnyValueTypeImpl<MyClass> :
 384     public wxAnyValueTypeImplBase<MyClass>
 385 {
 386     WX_DECLARE_ANY_VALUE_TYPE(wxAnyValueTypeImpl<MyClass>)
 387 public:
 388     wxAnyValueTypeImpl() :
 389         wxAnyValueTypeImplBase<MyClass>() { }
 390     virtual ~wxAnyValueTypeImpl() { }
 391
 392     virtual bool ConvertValue(const wxAnyValueBuffer& src,
 393                               wxAnyValueType* dstType,
 394                               wxAnyValueBuffer& dst) const
 395     {
 396         MyClass value = GetValue(src);
 397
 398         if ( wxANY_VALUE_TYPE_CHECK_TYPE(dstType, wxString) )
 399         {
 400             wxString s = value.ToString();
 401             wxAnyValueTypeImpl<wxString>::SetValue(s, dst);
 402         }
 403         else
 404             return false;
 405
 406         return true;
 407     }
 408 };
 409
 410 //
 411 // Following must be placed somewhere in your source code
 412 WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<MyClass>)
 413
 414 void wxAnyTestCase::CustomTemplateSpecialization()
 415 {
 416     // Do only a minimal CheckType() test, as dynamic type conversion already
 417     // uses it a lot.
 418     bool res;
 419     MyClass myObject;
 420     wxAny any = myObject;
 421
 422     CPPUNIT_ASSERT( wxANY_CHECK_TYPE(any, MyClass) );
 423     MyClass myObject2 = wxANY_AS(any, MyClass);
 424     wxUnusedVar(myObject2);
 425
 426     wxString str;
 427     res = any.GetAs(&str);
 428     CPPUNIT_ASSERT(res);
 429     CPPUNIT_ASSERT_EQUAL(str, myObject.ToString());
 430 }
 431
 432 #endif // wxUSE_ANY
 433