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 #include "wx/object.h"
  21
  22 #include <math.h>
  23
  24 // ----------------------------------------------------------------------------
  25 // test class
  26 // ----------------------------------------------------------------------------
  27
  28 class wxAnyTestCase : public CppUnit::TestCase
  29 {
  30 public:
  31     wxAnyTestCase();
  32
  33 private:
  34     CPPUNIT_TEST_SUITE( wxAnyTestCase );
  35         CPPUNIT_TEST( Equality );
  36         CPPUNIT_TEST( As );
  37         CPPUNIT_TEST( GetAs );
  38         CPPUNIT_TEST( Null );
  39         CPPUNIT_TEST( CustomTemplateSpecialization );
  40     CPPUNIT_TEST_SUITE_END();
  41
  42     void Equality();
  43     void As();
  44     void GetAs();
  45     void Null();
  46     void CustomTemplateSpecialization();
  47
  48     wxDateTime m_testDateTime;
  49
  50     wxAny   m_anySignedChar1;
  51     wxAny   m_anySignedShort1;
  52     wxAny   m_anySignedInt1;
  53     wxAny   m_anySignedLong1;
  54     wxAny   m_anySignedLongLong1;
  55     wxAny   m_anyUnsignedChar1;
  56     wxAny   m_anyUnsignedShort1;
  57     wxAny   m_anyUnsignedInt1;
  58     wxAny   m_anyUnsignedLong1;
  59     wxAny   m_anyUnsignedLongLong1;
  60     wxAny   m_anyStringString1;
  61     wxAny   m_anyCharString1;
  62     wxAny   m_anyWcharString1;
  63     wxAny   m_anyBool1;
  64     wxAny   m_anyFloatDouble1;
  65     wxAny   m_anyDoubleDouble1;
  66     wxAny   m_anyWxObjectPtr1;
  67     wxAny   m_anyVoidPtr1;
  68     wxAny   m_anyDateTime1;
  69
  70     wxAny   m_anySignedChar2;
  71     wxAny   m_anySignedShort2;
  72     wxAny   m_anySignedInt2;
  73     wxAny   m_anySignedLong2;
  74     wxAny   m_anySignedLongLong2;
  75     wxAny   m_anyUnsignedChar2;
  76     wxAny   m_anyUnsignedShort2;
  77     wxAny   m_anyUnsignedInt2;
  78     wxAny   m_anyUnsignedLong2;
  79     wxAny   m_anyUnsignedLongLong2;
  80     wxAny   m_anyStringString2;
  81     wxAny   m_anyCharString2;
  82     wxAny   m_anyWcharString2;
  83     wxAny   m_anyBool2;
  84     wxAny   m_anyFloatDouble2;
  85     wxAny   m_anyDoubleDouble2;
  86     wxAny   m_anyWxObjectPtr2;
  87     wxAny   m_anyVoidPtr2;
  88     wxAny   m_anyDateTime2;
  89
  90     DECLARE_NO_COPY_CLASS(wxAnyTestCase)
  91 };
  92
  93 // register in the unnamed registry so that these tests are run by default
  94 CPPUNIT_TEST_SUITE_REGISTRATION( wxAnyTestCase );
  95
  96 // also include in it's own registry so that these tests can be run alone
  97 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( wxAnyTestCase, "wxAnyTestCase" );
  98
  99 // Let's use a number with first digit after decimal dot less than 5,
 100 // so that we don't have to worry about whether conversion from float
 101 // to int truncates or rounds.
 102 const double TEST_FLOAT_CONST = 123.456;
 103
 104 const double FEQ_DELTA = 0.001;
 105
 106 wxObject* dummyWxObjectPointer = reinterpret_cast<wxObject*>(1234);
 107 void* dummyVoidPointer = reinterpret_cast<void*>(1234);
 108
 109
 110 //
 111 // Test both 'creation' methods
 112 wxAnyTestCase::wxAnyTestCase()
 113     : m_anySignedChar1((signed char)15),
 114       m_anySignedShort1((signed short)15),
 115       m_anySignedInt1((signed int)15),
 116       m_anySignedLong1((signed long)15),
 117 #ifdef wxLongLong_t
 118       m_anySignedLongLong1((wxLongLong_t)15),
 119 #endif
 120       m_anyUnsignedChar1((unsigned char)15),
 121       m_anyUnsignedShort1((unsigned short)15),
 122       m_anyUnsignedInt1((unsigned int)15),
 123       m_anyUnsignedLong1((unsigned long)15),
 124 #ifdef wxLongLong_t
 125       m_anyUnsignedLongLong1((wxULongLong_t)15),
 126 #endif
 127       m_anyStringString1(wxString("abc")),
 128       m_anyCharString1("abc"),
 129       m_anyWcharString1(L"abc"),
 130       m_anyBool1(true),
 131       m_anyFloatDouble1((float)TEST_FLOAT_CONST),
 132       m_anyDoubleDouble1((double)TEST_FLOAT_CONST),
 133       m_anyWxObjectPtr1(dummyWxObjectPointer),
 134       m_anyVoidPtr1(dummyVoidPointer),
 135       m_anyDateTime1(wxDateTime::Now())
 136 {
 137     m_testDateTime = wxDateTime::Now();
 138     m_anySignedChar2 = (signed char)15;
 139     m_anySignedShort2 = (signed short)15;
 140     m_anySignedInt2 = (signed int)15;
 141     m_anySignedLong2 = (signed long)15;
 142 #ifdef wxLongLong_t
 143     m_anySignedLongLong2 = (wxLongLong_t)15;
 144 #endif
 145     m_anyUnsignedChar2 = (unsigned char)15;
 146     m_anyUnsignedShort2 = (unsigned short)15;
 147     m_anyUnsignedInt2 = (unsigned int)15;
 148     m_anyUnsignedLong2 = (unsigned long)15;
 149 #ifdef wxLongLong_t
 150     m_anyUnsignedLongLong2 = (wxULongLong_t)15;
 151 #endif
 152     m_anyStringString2 = wxString("abc");
 153     m_anyCharString2 = "abc";
 154     m_anyWcharString2 = L"abc";
 155     m_anyBool2 = true;
 156     m_anyFloatDouble2 = (float)TEST_FLOAT_CONST;
 157     m_anyDoubleDouble2 = (double)TEST_FLOAT_CONST;
 158     m_anyDateTime2 = m_testDateTime;
 159     m_anyWxObjectPtr2 = dummyWxObjectPointer;
 160     m_anyVoidPtr2 = dummyVoidPointer;
 161 }
 162
 163 void wxAnyTestCase::Equality()
 164 {
 165     //
 166     // Currently this should work
 167     CPPUNIT_ASSERT(m_anyUnsignedLong1 == 15L);
 168     CPPUNIT_ASSERT(m_anyUnsignedLong1 != 30L);
 169     CPPUNIT_ASSERT(m_anyUnsignedLong1 == 15UL);
 170     CPPUNIT_ASSERT(m_anyUnsignedLong1 != 30UL);
 171     CPPUNIT_ASSERT(m_anyStringString1 == wxString("abc"));
 172     CPPUNIT_ASSERT(m_anyStringString1 != wxString("ABC"));
 173     CPPUNIT_ASSERT(m_anyStringString1 == "abc");
 174     CPPUNIT_ASSERT(m_anyStringString1 != "ABC");
 175     CPPUNIT_ASSERT(m_anyStringString1 == L"abc");
 176     CPPUNIT_ASSERT(m_anyStringString1 != L"ABC");
 177     CPPUNIT_ASSERT(m_anyBool1 == true);
 178     CPPUNIT_ASSERT(m_anyBool1 != false);
 179     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble1, double),
 180                                  wxANY_AS(m_anyDoubleDouble1, double),
 181                                  FEQ_DELTA);
 182     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble1, double),
 183                                  TEST_FLOAT_CONST,
 184                                  FEQ_DELTA);
 185     CPPUNIT_ASSERT(wxANY_AS(m_anyWxObjectPtr1, wxObject*)
 186                         == dummyWxObjectPointer);
 187     CPPUNIT_ASSERT(wxANY_AS(m_anyVoidPtr1, void*) == dummyVoidPointer);
 188
 189     CPPUNIT_ASSERT(m_anySignedLong2 == 15);
 190     CPPUNIT_ASSERT(m_anyStringString2 == wxString("abc"));
 191     CPPUNIT_ASSERT(m_anyStringString2 == "abc");
 192     CPPUNIT_ASSERT(m_anyStringString2 == L"abc");
 193     CPPUNIT_ASSERT(m_anyBool2 == true);
 194     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble2, double),
 195                                  wxANY_AS(m_anyDoubleDouble2, double),
 196                                  FEQ_DELTA);
 197     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble2, double),
 198                                  TEST_FLOAT_CONST,
 199                                  FEQ_DELTA);
 200     CPPUNIT_ASSERT(wxANY_AS(m_anyWxObjectPtr2, wxObject*)
 201                         == dummyWxObjectPointer);
 202     CPPUNIT_ASSERT(wxANY_AS(m_anyVoidPtr2, void*) == dummyVoidPointer);
 203 }
 204
 205 void wxAnyTestCase::As()
 206 {
 207     //
 208     // Test getting C++ data from wxAny without dynamic conversion
 209     signed char a = wxANY_AS(m_anySignedChar1, signed char);
 210     CPPUNIT_ASSERT(a == (signed int)15);
 211     signed short b = wxANY_AS(m_anySignedShort1, signed short);
 212     CPPUNIT_ASSERT(b == (signed int)15);
 213     signed int c = wxANY_AS(m_anySignedInt1, signed int);
 214     CPPUNIT_ASSERT(c == (signed int)15);
 215     signed long d = wxANY_AS(m_anySignedLong1, signed long);
 216     CPPUNIT_ASSERT(d == (signed int)15);
 217 #ifdef wxLongLong_t
 218     wxLongLong_t e = wxANY_AS(m_anySignedLongLong1, wxLongLong_t);
 219     CPPUNIT_ASSERT(e == (signed int)15);
 220 #endif
 221     unsigned char f = wxANY_AS(m_anyUnsignedChar1, unsigned char);
 222     CPPUNIT_ASSERT(f == (unsigned int)15);
 223     unsigned short g = wxANY_AS(m_anyUnsignedShort1, unsigned short);
 224     CPPUNIT_ASSERT(g == (unsigned int)15);
 225     unsigned int h = wxANY_AS(m_anyUnsignedInt1, unsigned int);
 226     CPPUNIT_ASSERT(h == (unsigned int)15);
 227     unsigned long i = wxANY_AS(m_anyUnsignedLong1, unsigned long);
 228     CPPUNIT_ASSERT(i == (unsigned int)15);
 229 #ifdef wxLongLong_t
 230     wxULongLong_t j = wxANY_AS(m_anyUnsignedLongLong1, wxULongLong_t);
 231     CPPUNIT_ASSERT(j == (unsigned int)15);
 232 #endif
 233     wxString k = wxANY_AS(m_anyStringString1, wxString);
 234     CPPUNIT_ASSERT(k == "abc");
 235     wxString l = wxANY_AS(m_anyCharString1, wxString);
 236     CPPUNIT_ASSERT(l == "abc");
 237     wxString m = wxANY_AS(m_anyWcharString1, wxString);
 238     CPPUNIT_ASSERT(m == "abc");
 239     bool n = wxANY_AS(m_anyBool1, bool);
 240     CPPUNIT_ASSERT(n);
 241     float o = wxANY_AS(m_anyFloatDouble1, float);
 242     CPPUNIT_ASSERT_DOUBLES_EQUAL(o, TEST_FLOAT_CONST, FEQ_DELTA);
 243     double p = wxANY_AS(m_anyDoubleDouble1, double);
 244     CPPUNIT_ASSERT_DOUBLES_EQUAL(p, TEST_FLOAT_CONST, FEQ_DELTA);
 245     wxDateTime q = wxANY_AS(m_anyDateTime1, wxDateTime);
 246     CPPUNIT_ASSERT(q == m_testDateTime);
 247     wxObject* r = wxANY_AS(m_anyWxObjectPtr1, wxObject*);
 248     CPPUNIT_ASSERT(r == dummyWxObjectPointer);
 249     void* s = wxANY_AS(m_anyVoidPtr1, void*);
 250     CPPUNIT_ASSERT(s == dummyVoidPointer);
 251 }
 252
 253 void wxAnyTestCase::Null()
 254 {
 255     wxAny a;
 256     CPPUNIT_ASSERT(a.IsNull());
 257     a = -127;
 258     CPPUNIT_ASSERT(a == -127);
 259     a.MakeNull();
 260     CPPUNIT_ASSERT(a.IsNull());
 261 }
 262
 263 void wxAnyTestCase::GetAs()
 264 {
 265     //
 266     // Test dynamic conversion
 267     bool res;
 268     long l = 0;
 269     unsigned long ul = 0;
 270     wxString s;
 271     // Let's test against float instead of double, since the former
 272     // is not the native underlying type the code converts to, but
 273     // should still work, all the same.
 274     float f = 0.0;
 275     bool b = false;
 276
 277     // Conversions from signed long type
 278     res = m_anySignedLong1.GetAs(&ul);
 279     CPPUNIT_ASSERT(res);
 280     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(15));
 281     res = m_anySignedLong1.GetAs(&s);
 282     CPPUNIT_ASSERT(res);
 283     CPPUNIT_ASSERT(s == "15");
 284     res = m_anySignedLong1.GetAs(&f);
 285     CPPUNIT_ASSERT(res);
 286     CPPUNIT_ASSERT_DOUBLES_EQUAL(f, 15.0, FEQ_DELTA);
 287     res = m_anySignedLong1.GetAs(&b);
 288     CPPUNIT_ASSERT(res);
 289     CPPUNIT_ASSERT(b == true);
 290
 291     // Conversions from unsigned long type
 292     res = m_anyUnsignedLong1.GetAs(&l);
 293     CPPUNIT_ASSERT(res);
 294     CPPUNIT_ASSERT(l == static_cast<signed long>(15));
 295     res = m_anyUnsignedLong1.GetAs(&s);
 296     CPPUNIT_ASSERT(res);
 297     CPPUNIT_ASSERT(s == "15");
 298     res = m_anyUnsignedLong1.GetAs(&f);
 299     CPPUNIT_ASSERT(res);
 300     CPPUNIT_ASSERT_DOUBLES_EQUAL(f, 15.0, FEQ_DELTA);
 301     res = m_anyUnsignedLong1.GetAs(&b);
 302     CPPUNIT_ASSERT(res);
 303     CPPUNIT_ASSERT(b == true);
 304
 305     // Conversions from default "abc" string to other types
 306     // should not work.
 307     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&l));
 308     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&ul));
 309     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&f));
 310     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&b));
 311
 312     // Let's test some other conversions from string that should work.
 313     wxAny anyString;
 314
 315     anyString = "15";
 316     res = anyString.GetAs(&l);
 317     CPPUNIT_ASSERT(res);
 318     CPPUNIT_ASSERT(l == static_cast<signed long>(15));
 319     res = anyString.GetAs(&ul);
 320     CPPUNIT_ASSERT(res);
 321     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(15));
 322     res = anyString.GetAs(&f);
 323     CPPUNIT_ASSERT(res);
 324     CPPUNIT_ASSERT_DOUBLES_EQUAL(f, 15.0, FEQ_DELTA);
 325     anyString = "TRUE";
 326     res = anyString.GetAs(&b);
 327     CPPUNIT_ASSERT(res);
 328     CPPUNIT_ASSERT(b == true);
 329     anyString = "0";
 330     res = anyString.GetAs(&b);
 331     CPPUNIT_ASSERT(res);
 332     CPPUNIT_ASSERT(b == false);
 333
 334     // Conversions from bool type
 335     res = m_anyBool1.GetAs(&l);
 336     CPPUNIT_ASSERT(res);
 337     CPPUNIT_ASSERT(l == static_cast<signed long>(1));
 338     res = m_anyBool1.GetAs(&ul);
 339     CPPUNIT_ASSERT(res);
 340     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(1));
 341     res = m_anyBool1.GetAs(&s);
 342     CPPUNIT_ASSERT(res);
 343     CPPUNIT_ASSERT(s == "true");
 344     CPPUNIT_ASSERT(!m_anyBool1.GetAs(&f));
 345
 346     // Conversions from floating point type
 347     res = m_anyDoubleDouble1.GetAs(&l);
 348     CPPUNIT_ASSERT(res);
 349     CPPUNIT_ASSERT(l == static_cast<signed long>(123));
 350     res = m_anyDoubleDouble1.GetAs(&ul);
 351     CPPUNIT_ASSERT(res);
 352     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(123));
 353     res = m_anyDoubleDouble1.GetAs(&s);
 354     CPPUNIT_ASSERT(res);
 355     double d2;
 356     res = s.ToDouble(&d2);
 357     CPPUNIT_ASSERT(res);
 358     CPPUNIT_ASSERT_DOUBLES_EQUAL(d2, TEST_FLOAT_CONST, FEQ_DELTA);
 359 }
 360
 361 //
 362 // Test user data type specialization of wxAnyValueTypeImpl
 363 //
 364
 365 class MyClass
 366 {
 367 public:
 368     MyClass( int someValue = 32768 )
 369     {
 370         m_someValue = someValue;
 371     }
 372
 373     wxString ToString()
 374     {
 375         return wxString::Format("%i", m_someValue);
 376     }
 377
 378 private:
 379     int     m_someValue;
 380 };
 381
 382
 383 template<>
 384 class wxAnyValueTypeImpl<MyClass> :
 385     public wxAnyValueTypeImplBase<MyClass>
 386 {
 387     WX_DECLARE_ANY_VALUE_TYPE(wxAnyValueTypeImpl<MyClass>)
 388 public:
 389     wxAnyValueTypeImpl() :
 390         wxAnyValueTypeImplBase<MyClass>() { }
 391     virtual ~wxAnyValueTypeImpl() { }
 392
 393     virtual bool ConvertValue(const wxAnyValueBuffer& src,
 394                               wxAnyValueType* dstType,
 395                               wxAnyValueBuffer& dst) const
 396     {
 397         MyClass value = GetValue(src);
 398
 399         if ( wxANY_VALUE_TYPE_CHECK_TYPE(dstType, wxString) )
 400         {
 401             wxString s = value.ToString();
 402             wxAnyValueTypeImpl<wxString>::SetValue(s, dst);
 403         }
 404         else
 405             return false;
 406
 407         return true;
 408     }
 409 };
 410
 411 //
 412 // Following must be placed somewhere in your source code
 413 WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<MyClass>)
 414
 415 void wxAnyTestCase::CustomTemplateSpecialization()
 416 {
 417     // Do only a minimal CheckType() test, as dynamic type conversion already
 418     // uses it a lot.
 419     bool res;
 420     MyClass myObject;
 421     wxAny any = myObject;
 422
 423     CPPUNIT_ASSERT( wxANY_CHECK_TYPE(any, MyClass) );
 424     MyClass myObject2 = wxANY_AS(any, MyClass);
 425     wxUnusedVar(myObject2);
 426
 427     wxString str;
 428     res = any.GetAs(&str);
 429     CPPUNIT_ASSERT(res);
 430     CPPUNIT_ASSERT_EQUAL(str, myObject.ToString());
 431 }
 432
 433 #endif // wxUSE_ANY
 434