Add wxOVERRIDE to test files

And cleanup some tailing spaces and tabs.

tests/misc/dynamiclib.cpp

@@ -77,7 +77,7 @@ void DynamicLibraryTestCase::Load()
 
     typedef int (wxSTDCALL *wxStrlenType)(const char *);
     wxStrlenType pfnStrlen = (wxStrlenType)lib.GetSymbol(FUNC_NAME);
-    
+
     wxString errMsg = wxString::Format("ERROR: function '%s' wasn't found in '%s'.\n",
                                        FUNC_NAME, LIB_NAME);
     CPPUNIT_ASSERT_MESSAGE( errMsg.ToStdString(), pfnStrlen );

tests/misc/environ.cpp

@@ -68,7 +68,7 @@ void EnvTestCase::GetSet()
 void EnvTestCase::Path()
 {
     wxString contents;
-    
+
     CPPUNIT_ASSERT(wxGetEnv(wxT("PATH"), &contents));
     CPPUNIT_ASSERT(!contents.empty());
 }

tests/misc/pathlist.cpp

@@ -28,7 +28,7 @@ TEST_CASE("wxPathList::FindValidPath", "[file][path]")
 
     wxPathList pathlist;
     pathlist.AddEnvList(wxT("PATH"));
-    
+
     wxString path = pathlist.FindValidPath(CMD_IN_PATH);
     INFO( CMD_IN_PATH " not found in " << wxGetenv("PATH") );
     CHECK( !path.empty() );

tests/misc/selstoretest.cpp

@@ -27,13 +27,13 @@ class SelStoreTestCase : public CppUnit::TestCase
 public:
     SelStoreTestCase() { m_store = NULL; }
 
-    virtual void setUp()
+    virtual void setUp() wxOVERRIDE
     {
         m_store = new wxSelectionStore;
         m_store->SetItemCount(NUM_ITEMS);
     }
 
-    virtual void tearDown()
+    virtual void tearDown() wxOVERRIDE
     {
         delete m_store;
         m_store = NULL;

tests/misc/settings.cpp

@@ -42,7 +42,7 @@ private:
 
     void GetColour();
     void GetFont();
-    
+
     // not really wxSystemSettings stuff but still nice to test:
     void GlobalColours();
     void GlobalFonts();
@@ -67,7 +67,7 @@ void SettingsTestCase::GetColour()
 
 void SettingsTestCase::GetFont()
 {
-    const wxSystemFont ids[] = 
+    const wxSystemFont ids[] =
     {
         wxSYS_OEM_FIXED_FONT,
         wxSYS_ANSI_FIXED_FONT,