1 /////////////////////////////////////////////////////////////////////////////// 2 // Name: tests/misc/dynamiclib.cpp 3 // Purpose: Test wxDynamicLibrary 4 // Author: Francesco Montorsi (extracted from console sample) 5 // Created: 2010-06-13 6 // Copyright: (c) 2010 wxWidgets team 7 /////////////////////////////////////////////////////////////////////////////// 8 9 // ---------------------------------------------------------------------------- 10 // headers 11 // ---------------------------------------------------------------------------- 12 13 #include "testprec.h" 14 15 #include "wx/dynlib.h" 16 17 #ifdef __UNIX__ 18 #include "wx/filename.h" 19 #include "wx/log.h" 20 #endif 21 22 // ---------------------------------------------------------------------------- 23 // test class 24 // ---------------------------------------------------------------------------- 25 26 class DynamicLibraryTestCase : public CppUnit::TestCase 27 { 28 public: DynamicLibraryTestCase()29 DynamicLibraryTestCase() { } 30 31 private: 32 CPPUNIT_TEST_SUITE( DynamicLibraryTestCase ); 33 CPPUNIT_TEST( Load ); 34 CPPUNIT_TEST_SUITE_END(); 35 36 void Load(); 37 38 wxDECLARE_NO_COPY_CLASS(DynamicLibraryTestCase); 39 }; 40 41 // register in the unnamed registry so that these tests are run by default 42 CPPUNIT_TEST_SUITE_REGISTRATION( DynamicLibraryTestCase ); 43 44 // also include in its own registry so that these tests can be run alone 45 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( DynamicLibraryTestCase, "DynamicLibraryTestCase" ); 46 Load()47void DynamicLibraryTestCase::Load() 48 { 49 #if defined(__WINDOWS__) 50 static const wxChar *LIB_NAME = wxT("kernel32.dll"); 51 static const wxChar *FUNC_NAME = wxT("lstrlenA"); 52 #elif defined(__UNIX__) 53 #ifdef __DARWIN__ 54 static const wxChar *LIB_NAME = wxT("/usr/lib/libc.dylib"); 55 #else 56 // weird: using just libc.so does *not* work! 57 static const wxChar *LIB_NAME = wxT("/lib/libc.so.6"); 58 #endif 59 static const wxChar *FUNC_NAME = wxT("strlen"); 60 61 if ( !wxFileName::Exists(LIB_NAME) ) 62 { 63 wxLogWarning("Shared library \"%s\" doesn't exist, " 64 "skipping DynamicLibraryTestCase::Load() test."); 65 return; 66 } 67 #else 68 #error "don't know how to test wxDllLoader on this platform" 69 #endif 70 71 wxDynamicLibrary lib(LIB_NAME); 72 CPPUNIT_ASSERT( lib.IsLoaded() ); 73 74 typedef int (wxSTDCALL *wxStrlenType)(const char *); 75 wxStrlenType pfnStrlen = (wxStrlenType)lib.GetSymbol(FUNC_NAME); 76 77 wxString errMsg = wxString::Format("ERROR: function '%s' wasn't found in '%s'.\n", 78 FUNC_NAME, LIB_NAME); 79 CPPUNIT_ASSERT_MESSAGE( errMsg.ToStdString(), (pfnStrlen != NULL) ); 80 81 // Call the function dynamically loaded 82 CPPUNIT_ASSERT( pfnStrlen("foo") == 3 ); 83 84 #ifdef __WINDOWS__ 85 static const wxChar *FUNC_NAME_AW = wxT("lstrlen"); 86 87 typedef int (wxSTDCALL *wxStrlenTypeAorW)(const wxChar *); 88 wxStrlenTypeAorW 89 pfnStrlenAorW = (wxStrlenTypeAorW)lib.GetSymbolAorW(FUNC_NAME_AW); 90 91 wxString errMsg2 = wxString::Format("ERROR: function '%s' wasn't found in '%s'.\n", 92 FUNC_NAME_AW, LIB_NAME); 93 CPPUNIT_ASSERT_MESSAGE( errMsg2.ToStdString(), (pfnStrlenAorW != NULL) ); 94 95 CPPUNIT_ASSERT( pfnStrlenAorW(wxT("foobar")) == 6 ); 96 #endif // __WINDOWS__ 97 } 98