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 // just some classes using wxRTTI for wxStaticCast() test
  24 #include "wx/tarstrm.h"
  25 #include "wx/zipstrm.h"
  26
  27 // ----------------------------------------------------------------------------
  28 // test class
  29 // ----------------------------------------------------------------------------
  30
  31 class MiscTestCase : public CppUnit::TestCase
  32 {
  33 public:
  34     MiscTestCase() { }
  35
  36 private:
  37     CPPUNIT_TEST_SUITE( MiscTestCase );
  38         CPPUNIT_TEST( Assert );
  39         CPPUNIT_TEST( Delete );
  40         CPPUNIT_TEST( StaticCast );
  41     CPPUNIT_TEST_SUITE_END();
  42
  43     void Assert();
  44     void Delete();
  45     void StaticCast();
  46
  47     DECLARE_NO_COPY_CLASS(MiscTestCase)
  48 };
  49
  50 // register in the unnamed registry so that these tests are run by default
  51 CPPUNIT_TEST_SUITE_REGISTRATION( MiscTestCase );
  52
  53 // also include in it's own registry so that these tests can be run alone
  54 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( MiscTestCase, "MiscTestCase" );
  55
  56 namespace
  57 {
  58
  59 void AssertIfOdd(int n)
  60 {
  61     wxASSERT_MSG( !(n % 2), "parameter must be even" );
  62 }
  63
  64 } // anonymous namespace
  65
  66 void MiscTestCase::Assert()
  67 {
  68     AssertIfOdd(0);
  69     WX_ASSERT_FAILS_WITH_ASSERT(AssertIfOdd(1));
  70
  71     // doesn't fail any more
  72     wxAssertHandler_t oldHandler = wxSetAssertHandler(NULL);
  73     AssertIfOdd(17);
  74     wxSetAssertHandler(oldHandler);
  75 }
  76
  77 void MiscTestCase::Delete()
  78 {
  79     // Allocate some arbitrary memory to get a valid pointer:
  80     long *pointer = new long;
  81     CPPUNIT_ASSERT( pointer != NULL );
  82
  83     // Check that wxDELETE sets the pointer to NULL:
  84     wxDELETE( pointer );
  85     CPPUNIT_ASSERT( pointer == NULL );
  86
  87     // Allocate some arbitrary array to get a valid pointer:
  88     long *array = new long[ 3 ];
  89     CPPUNIT_ASSERT( array != NULL );
  90
  91     // Check that wxDELETEA sets the pointer to NULL:
  92     wxDELETE( array );
  93     CPPUNIT_ASSERT( array == NULL );
  94
  95     // this results in compilation error, as it should
  96 #if 0
  97     struct SomeUnknownStruct *p = NULL;
  98     wxDELETE(p);
  99 #endif
 100 }
 101
 102 void MiscTestCase::StaticCast()
 103 {
 104     wxTarEntry tarEntry;
 105     CPPUNIT_ASSERT( wxStaticCast(&tarEntry, wxArchiveEntry) );
 106
 107     wxArchiveEntry *entry = &tarEntry;
 108     CPPUNIT_ASSERT( wxStaticCast(entry, wxTarEntry) );
 109
 110     wxZipEntry zipEntry;
 111     entry = &zipEntry;
 112     CPPUNIT_ASSERT( wxStaticCast(entry, wxZipEntry) );
 113
 114     WX_ASSERT_FAILS_WITH_ASSERT( wxStaticCast(entry, wxTarEntry) );
 115     WX_ASSERT_FAILS_WITH_ASSERT( wxStaticCast(&zipEntry, wxTarEntry) );
 116 }
 117