tests/testprec.h

   1 #ifndef WX_TESTPREC_INCLUDED
   2 #define WX_TESTPREC_INCLUDED 1
   3
   4 #include "wx/wxprec.h"
   5 #include "wx/stopwatch.h"
   6 #include "wx/evtloop.h"
   7 #include "wx/cppunit.h"
   8
   9 // Custom test macro that is only defined when wxUIActionSimulator is available
  10 // this allows the tests that do not rely on it to run on platforms that don't
  11 // support it.
  12 //
  13 // FIXME: And while OS X does support it, more or less, too many tests
  14 //        currently fail under it so disable all interactive tests there. They
  15 //        should, of course, be reenabled a.s.a.p.
  16 #if wxUSE_UIACTIONSIMULATOR && !defined(__WXOSX__)
  17     #define WXUISIM_TEST(test) CPPUNIT_TEST(test)
  18 #else
  19     #define WXUISIM_TEST(test) (void)0
  20 #endif
  21
  22 // define wxHAVE_U_ESCAPE if the compiler supports \uxxxx character constants
  23 #if (defined(__VISUALC__) && (__VISUALC__ >= 1300)) || \
  24     (defined(__GNUC__) && (__GNUC__ >= 3))
  25     #define wxHAVE_U_ESCAPE
  26
  27     // and disable warning that using them results in with MSVC 8+
  28     #if wxCHECK_VISUALC_VERSION(8)
  29         // universal-character-name encountered in source
  30         #pragma warning(disable:4428)
  31     #endif
  32 #endif
  33
  34 // Define wxUSING_VC_CRT_IO when using MSVC CRT STDIO library as its standard
  35 // functions give different results from glibc ones in several cases (of
  36 // course, any code relying on this is not portable and probably won't work,
  37 // i.e. will result in tests failures, with other platforms/compilers which
  38 // should have checks for them added as well).
  39 //
  40 // Notice that MinGW uses VC CRT by default but may use its own printf()
  41 // implementation if __USE_MINGW_ANSI_STDIO is defined. And finally also notice
  42 // that testing for __USE_MINGW_ANSI_STDIO directly results in a warning with
  43 // -Wundef if it involves an operation with undefined __MINGW_FEATURES__ so
  44 // test for the latter too to avoid it.
  45 #if defined(__VISUALC__) || \
  46     (defined(__MINGW32__) && \
  47      (!defined(__MINGW_FEATURES__) || !__USE_MINGW_ANSI_STDIO))
  48     #define wxUSING_VC_CRT_IO
  49 #endif
  50
  51 // thrown when assert fails in debug build
  52 class TestAssertFailure
  53 {
  54 public:
  55     TestAssertFailure(const wxString& file,
  56                       int line,
  57                       const wxString& func,
  58                       const wxString& cond,
  59                       const wxString& msg)
  60         : m_file(file),
  61           m_line(line),
  62           m_func(func),
  63           m_cond(cond),
  64           m_msg(msg)
  65     {
  66     }
  67
  68     const wxString m_file;
  69     const int m_line;
  70     const wxString m_func;
  71     const wxString m_cond;
  72     const wxString m_msg;
  73
  74     wxDECLARE_NO_ASSIGN_CLASS(TestAssertFailure);
  75 };
  76
  77 // macro to use for the functions which are supposed to fail an assertion
  78 #if wxDEBUG_LEVEL
  79     // some old cppunit versions don't define CPPUNIT_ASSERT_THROW so roll our
  80     // own
  81     #define WX_ASSERT_FAILS_WITH_ASSERT(cond) \
  82         { \
  83             bool throwsAssert = false; \
  84             try { cond ; } \
  85             catch ( const TestAssertFailure& ) { throwsAssert = true; } \
  86             if ( !throwsAssert ) \
  87                 CPPUNIT_FAIL("expected assertion not generated"); \
  88         }
  89 #else
  90     // there are no assertions in this build so we can't do anything (we used
  91     // to check that the condition failed but this didn't work well as in
  92     // normal build with wxDEBUG_LEVEL != 0 we can pass something not
  93     // evaluating to a bool at all but it then would fail to compile in
  94     // wxDEBUG_LEVEL == 0 case, so just don't do anything at all now).
  95     #define WX_ASSERT_FAILS_WITH_ASSERT(cond)
  96 #endif
  97
  98 #define WX_ASSERT_EVENT_OCCURS(eventcounter, count) \
  99 {\
 100     wxStopWatch sw; \
 101     wxEventLoopBase* loop = wxEventLoopBase::GetActive(); \
 102     while(eventcounter.GetCount() < count) \
 103     { \
 104         if(sw.Time() < 100) \
 105             loop->Dispatch(); \
 106         else \
 107         { \
 108             CPPUNIT_FAIL(wxString::Format("timeout reached with %d " \
 109                                           "events received, %d expected", \
 110                                           eventcounter.GetCount(), count).ToStdString()); \
 111             break; \
 112         } \
 113     } \
 114     eventcounter.Clear(); \
 115 }
 116
 117 // these functions can be used to hook into wxApp event processing and are
 118 // currently used by the events propagation test
 119 class WXDLLIMPEXP_FWD_BASE wxEvent;
 120
 121 typedef int (*FilterEventFunc)(wxEvent&);
 122 typedef bool (*ProcessEventFunc)(wxEvent&);
 123
 124 extern void SetFilterEventFunc(FilterEventFunc func);
 125 extern void SetProcessEventFunc(ProcessEventFunc func);
 126
 127 extern bool IsNetworkAvailable();
 128
 129 // Helper class setting the locale to the given one for its lifetime.
 130 class LocaleSetter
 131 {
 132 public:
 133     LocaleSetter(const char *loc) : m_locOld(setlocale(LC_ALL, loc)) { }
 134     ~LocaleSetter() { setlocale(LC_ALL, m_locOld); }
 135
 136 private:
 137     const char * const m_locOld;
 138
 139     wxDECLARE_NO_COPY_CLASS(LocaleSetter);
 140 };
 141
 142 // An even simpler helper for setting the locale to "C" one during its lifetime.
 143 class CLocaleSetter : private LocaleSetter
 144 {
 145 public:
 146     CLocaleSetter() : LocaleSetter("C") { }
 147
 148 private:
 149     wxDECLARE_NO_COPY_CLASS(CLocaleSetter);
 150 };
 151
 152 // Macro that can be used to register the test with the given name in both the
 153 // global unnamed registry so that it is ran by default and a registry with the
 154 // same name as this test to allow running just this test individually.
 155 //
 156 // Notice that the name shouldn't include the "TestCase" suffix, it's added
 157 // automatically by this macro.
 158 //
 159 // Implementation note: CPPUNIT_TEST_SUITE_[NAMED_]REGISTRATION macros can't be
 160 // used here because they both declare the variable with the same name (as the
 161 // "unique" name they generate is based on the line number which is the same
 162 // for both calls inside the macro), so we need to do it manually.
 163 #define wxREGISTER_UNIT_TEST(name) \
 164     static CPPUNIT_NS::AutoRegisterSuite< name##TestCase > \
 165         CPPUNIT_MAKE_UNIQUE_NAME( autoRegisterRegistry__ ); \
 166     static CPPUNIT_NS::AutoRegisterSuite< name##TestCase > \
 167         CPPUNIT_MAKE_UNIQUE_NAME( autoRegisterNamedRegistry__ )(#name "TestCase")
 168
 169 #endif