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(m_anyWxObjectPtr1.As<wxObject*>() == dummyWxObjectPointer);
 185     CPPUNIT_ASSERT(m_anyVoidPtr1.As<void*>() == dummyVoidPointer);
 186
 187     CPPUNIT_ASSERT(m_anySignedLong2 == 15);
 188     CPPUNIT_ASSERT(m_anyStringString2 == wxString("abc"));
 189     CPPUNIT_ASSERT(m_anyStringString2 == "abc");
 190     CPPUNIT_ASSERT(m_anyStringString2 == L"abc");
 191     CPPUNIT_ASSERT(m_anyBool2 == true);
 192     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble2, double),
 193                                  wxANY_AS(m_anyDoubleDouble2, double),
 194                                  FEQ_DELTA);
 195     CPPUNIT_ASSERT_DOUBLES_EQUAL(wxANY_AS(m_anyFloatDouble2, double),
 196                                  TEST_FLOAT_CONST,
 197                                  FEQ_DELTA);
 198     CPPUNIT_ASSERT(m_anyWxObjectPtr2.As<wxObject*>() == dummyWxObjectPointer);
 199     CPPUNIT_ASSERT(m_anyVoidPtr2.As<void*>() == dummyVoidPointer);
 200 }
 201
 202 void wxAnyTestCase::As()
 203 {
 204     //
 205     // Test getting C++ data from wxAny without dynamic conversion
 206     signed char a = wxANY_AS(m_anySignedChar1, signed char);
 207     CPPUNIT_ASSERT(a == (signed int)15);
 208     signed short b = wxANY_AS(m_anySignedShort1, signed short);
 209     CPPUNIT_ASSERT(b == (signed int)15);
 210     signed int c = wxANY_AS(m_anySignedInt1, signed int);
 211     CPPUNIT_ASSERT(c == (signed int)15);
 212     signed long d = wxANY_AS(m_anySignedLong1, signed long);
 213     CPPUNIT_ASSERT(d == (signed int)15);
 214 #ifdef wxLongLong_t
 215     wxLongLong_t e = wxANY_AS(m_anySignedLongLong1, wxLongLong_t);
 216     CPPUNIT_ASSERT(e == (signed int)15);
 217 #endif
 218     unsigned char f = wxANY_AS(m_anyUnsignedChar1, unsigned char);
 219     CPPUNIT_ASSERT(f == (unsigned int)15);
 220     unsigned short g = wxANY_AS(m_anyUnsignedShort1, unsigned short);
 221     CPPUNIT_ASSERT(g == (unsigned int)15);
 222     unsigned int h = wxANY_AS(m_anyUnsignedInt1, unsigned int);
 223     CPPUNIT_ASSERT(h == (unsigned int)15);
 224     unsigned long i = wxANY_AS(m_anyUnsignedLong1, unsigned long);
 225     CPPUNIT_ASSERT(i == (unsigned int)15);
 226 #ifdef wxLongLong_t
 227     wxULongLong_t j = wxANY_AS(m_anyUnsignedLongLong1, wxULongLong_t);
 228     CPPUNIT_ASSERT(j == (unsigned int)15);
 229 #endif
 230     wxString k = wxANY_AS(m_anyStringString1, wxString);
 231     CPPUNIT_ASSERT(k == "abc");
 232     wxString l = wxANY_AS(m_anyCharString1, wxString);
 233     CPPUNIT_ASSERT(l == "abc");
 234     wxString m = wxANY_AS(m_anyWcharString1, wxString);
 235     CPPUNIT_ASSERT(m == "abc");
 236     bool n = wxANY_AS(m_anyBool1, bool);
 237     CPPUNIT_ASSERT(n);
 238     float o = wxANY_AS(m_anyFloatDouble1, float);
 239     CPPUNIT_ASSERT_DOUBLES_EQUAL(o, TEST_FLOAT_CONST, FEQ_DELTA);
 240     double p = wxANY_AS(m_anyDoubleDouble1, double);
 241     CPPUNIT_ASSERT_DOUBLES_EQUAL(p, TEST_FLOAT_CONST, FEQ_DELTA);
 242     wxDateTime q = wxANY_AS(m_anyDateTime1, wxDateTime);
 243     CPPUNIT_ASSERT(q == m_testDateTime);
 244     wxObject* r = wxANY_AS(m_anyWxObjectPtr1, wxObject*);
 245     CPPUNIT_ASSERT(r == dummyWxObjectPointer);
 246     void* s = wxANY_AS(m_anyVoidPtr1, void*);
 247     CPPUNIT_ASSERT(s == dummyVoidPointer);
 248 }
 249
 250 void wxAnyTestCase::Null()
 251 {
 252     wxAny a;
 253     CPPUNIT_ASSERT(a.IsNull());
 254     a = -127;
 255     CPPUNIT_ASSERT(a == -127);
 256     a.MakeNull();
 257     CPPUNIT_ASSERT(a.IsNull());
 258 }
 259
 260 void wxAnyTestCase::GetAs()
 261 {
 262     //
 263     // Test dynamic conversion
 264     bool res;
 265     long l = 0;
 266     unsigned long ul = 0;
 267     wxString s;
 268     // Let's test against float instead of double, since the former
 269     // is not the native underlying type the code converts to, but
 270     // should still work, all the same.
 271     float f = 0.0;
 272     bool b = false;
 273
 274     // Conversions from signed long type
 275     res = m_anySignedLong1.GetAs(&ul);
 276     CPPUNIT_ASSERT(res);
 277     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(15));
 278     res = m_anySignedLong1.GetAs(&s);
 279     CPPUNIT_ASSERT(res);
 280     CPPUNIT_ASSERT(s == "15");
 281     res = m_anySignedLong1.GetAs(&f);
 282     CPPUNIT_ASSERT(res);
 283     CPPUNIT_ASSERT_DOUBLES_EQUAL(f, 15.0, FEQ_DELTA);
 284     res = m_anySignedLong1.GetAs(&b);
 285     CPPUNIT_ASSERT(res);
 286     CPPUNIT_ASSERT(b == true);
 287
 288     // Conversions from unsigned long type
 289     res = m_anyUnsignedLong1.GetAs(&l);
 290     CPPUNIT_ASSERT(res);
 291     CPPUNIT_ASSERT(l == static_cast<signed long>(15));
 292     res = m_anyUnsignedLong1.GetAs(&s);
 293     CPPUNIT_ASSERT(res);
 294     CPPUNIT_ASSERT(s == "15");
 295     res = m_anyUnsignedLong1.GetAs(&f);
 296     CPPUNIT_ASSERT(res);
 297     CPPUNIT_ASSERT_DOUBLES_EQUAL(f, 15.0, FEQ_DELTA);
 298     res = m_anyUnsignedLong1.GetAs(&b);
 299     CPPUNIT_ASSERT(res);
 300     CPPUNIT_ASSERT(b == true);
 301
 302     // Conversions from default "abc" string to other types
 303     // should not work.
 304     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&l));
 305     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&ul));
 306     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&f));
 307     CPPUNIT_ASSERT(!m_anyStringString1.GetAs(&b));
 308
 309     // Let's test some other conversions from string that should work.
 310     wxAny anyString;
 311
 312     anyString = "15";
 313     res = anyString.GetAs(&l);
 314     CPPUNIT_ASSERT(res);
 315     CPPUNIT_ASSERT(l == static_cast<signed long>(15));
 316     res = anyString.GetAs(&ul);
 317     CPPUNIT_ASSERT(res);
 318     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(15));
 319     res = anyString.GetAs(&f);
 320     CPPUNIT_ASSERT(res);
 321     CPPUNIT_ASSERT_DOUBLES_EQUAL(f, 15.0, FEQ_DELTA);
 322     anyString = "TRUE";
 323     res = anyString.GetAs(&b);
 324     CPPUNIT_ASSERT(res);
 325     CPPUNIT_ASSERT(b == true);
 326     anyString = "0";
 327     res = anyString.GetAs(&b);
 328     CPPUNIT_ASSERT(res);
 329     CPPUNIT_ASSERT(b == false);
 330
 331     // Conversions from bool type
 332     res = m_anyBool1.GetAs(&l);
 333     CPPUNIT_ASSERT(res);
 334     CPPUNIT_ASSERT(l == static_cast<signed long>(1));
 335     res = m_anyBool1.GetAs(&ul);
 336     CPPUNIT_ASSERT(res);
 337     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(1));
 338     res = m_anyBool1.GetAs(&s);
 339     CPPUNIT_ASSERT(res);
 340     CPPUNIT_ASSERT(s == "true");
 341     CPPUNIT_ASSERT(!m_anyBool1.GetAs(&f));
 342
 343     // Conversions from floating point type
 344     res = m_anyDoubleDouble1.GetAs(&l);
 345     CPPUNIT_ASSERT(res);
 346     CPPUNIT_ASSERT(l == static_cast<signed long>(123));
 347     res = m_anyDoubleDouble1.GetAs(&ul);
 348     CPPUNIT_ASSERT(res);
 349     CPPUNIT_ASSERT_EQUAL(ul, static_cast<unsigned long>(123));
 350     res = m_anyDoubleDouble1.GetAs(&s);
 351     CPPUNIT_ASSERT(res);
 352     double d2;
 353     res = s.ToDouble(&d2);
 354     CPPUNIT_ASSERT(res);
 355     CPPUNIT_ASSERT_DOUBLES_EQUAL(d2, TEST_FLOAT_CONST, FEQ_DELTA);
 356 }
 357
 358 //
 359 // Test user data type specialization of wxAnyValueTypeImpl
 360 //
 361
 362 class MyClass
 363 {
 364 public:
 365     MyClass( int someValue = 32768 )
 366     {
 367         m_someValue = someValue;
 368     }
 369
 370     wxString ToString()
 371     {
 372         return wxString::Format("%i", m_someValue);
 373     }
 374
 375 private:
 376     int     m_someValue;
 377 };
 378
 379
 380 template<>
 381 class wxAnyValueTypeImpl<MyClass> :
 382     public wxAnyValueTypeImplBase<MyClass>
 383 {
 384     WX_DECLARE_ANY_VALUE_TYPE(wxAnyValueTypeImpl<MyClass>)
 385 public:
 386     wxAnyValueTypeImpl() :
 387         wxAnyValueTypeImplBase<MyClass>() { }
 388     virtual ~wxAnyValueTypeImpl() { }
 389
 390     virtual bool ConvertValue(const wxAnyValueBuffer& src,
 391                               wxAnyValueType* dstType,
 392                               wxAnyValueBuffer& dst) const
 393     {
 394         MyClass value = GetValue(src);
 395
 396         if ( wxANY_VALUE_TYPE_CHECK_TYPE(dstType, wxString) )
 397         {
 398             wxString s = value.ToString();
 399             wxAnyValueTypeImpl<wxString>::SetValue(s, dst);
 400         }
 401         else
 402             return false;
 403
 404         return true;
 405     }
 406 };
 407
 408 //
 409 // Following must be placed somewhere in your source code
 410 WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<MyClass>)
 411
 412 void wxAnyTestCase::CustomTemplateSpecialization()
 413 {
 414     // Do only a minimal CheckType() test, as dynamic type conversion already
 415     // uses it a lot.
 416     bool res;
 417     MyClass myObject;
 418     wxAny any = myObject;
 419
 420     CPPUNIT_ASSERT( wxANY_CHECK_TYPE(any, MyClass) );
 421     MyClass myObject2 = wxANY_AS(any, MyClass);
 422     wxUnusedVar(myObject2);
 423
 424     wxString str;
 425     res = any.GetAs(&str);
 426     CPPUNIT_ASSERT(res);
 427     CPPUNIT_ASSERT_EQUAL(str, myObject.ToString());
 428 }
 429
 430 #endif // wxUSE_ANY
 431