tests/misc/misctests.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/misc/misctests.cpp
   3 // Purpose:     test miscellaneous stuff
   4 // Author:      Peter Most, Vadim Zeitlin
   5 // Created:     2008-07-10
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2008 Peter Most
   8 //              (c) 2009 Vadim Zeitlin
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ----------------------------------------------------------------------------
  12 // headers
  13 // ----------------------------------------------------------------------------
  14
  15 #include "testprec.h"
  16
  17 #ifdef __BORLANDC__
  18     #pragma hdrstop
  19 #endif
  20
  21 #include "wx/defs.h"
  22
  23 // ----------------------------------------------------------------------------
  24 // test class
  25 // ----------------------------------------------------------------------------
  26
  27 class MiscTestCase : public CppUnit::TestCase
  28 {
  29 public:
  30     MiscTestCase() { }
  31
  32 private:
  33     CPPUNIT_TEST_SUITE( MiscTestCase );
  34         CPPUNIT_TEST( Assert );
  35         CPPUNIT_TEST( Delete );
  36     CPPUNIT_TEST_SUITE_END();
  37
  38     void Assert();
  39     void Delete();
  40
  41     DECLARE_NO_COPY_CLASS(MiscTestCase)
  42 };
  43
  44 // register in the unnamed registry so that these tests are run by default
  45 CPPUNIT_TEST_SUITE_REGISTRATION( MiscTestCase );
  46
  47 // also include in it's own registry so that these tests can be run alone
  48 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( MiscTestCase, "MiscTestCase" );
  49
  50 namespace
  51 {
  52
  53 void AssertIfOdd(int n)
  54 {
  55     wxASSERT_MSG( !(n % 2), "parameter must be even" );
  56 }
  57
  58 } // anonymous namespace
  59
  60 void MiscTestCase::Assert()
  61 {
  62     AssertIfOdd(0);
  63     WX_ASSERT_FAILS_WITH_ASSERT(AssertIfOdd(1));
  64
  65     // doesn't fail any more
  66     wxAssertHandler_t oldHandler = wxSetAssertHandler(NULL);
  67     AssertIfOdd(17);
  68     wxSetAssertHandler(oldHandler);
  69 }
  70
  71 void MiscTestCase::Delete()
  72 {
  73     // Allocate some arbitrary memory to get a valid pointer:
  74     long *pointer = new long;
  75     CPPUNIT_ASSERT( pointer != NULL );
  76
  77     // Check that wxDELETE sets the pointer to NULL:
  78     wxDELETE( pointer );
  79     CPPUNIT_ASSERT( pointer == NULL );
  80
  81     // Allocate some arbitrary array to get a valid pointer:
  82     long *array = new long[ 3 ];
  83     CPPUNIT_ASSERT( array != NULL );
  84
  85     // Check that wxDELETEA sets the pointer to NULL:
  86     wxDELETE( array );
  87     CPPUNIT_ASSERT( array == NULL );
  88
  89     // this results in compilation error, as it should
  90 #if 0
  91     struct SomeUnknownStruct *p = NULL;
  92     wxDELETE(p);
  93 #endif
  94 }
  95