/////////////////////////////////////////////////////////////////////////////// // Name: tests/strings/strings.cpp // Purpose: wxString unit test // Author: Vadim Zeitlin, Wlodzimierz ABX Skiba // Created: 2004-04-19 // RCS-ID: $Id$ // Copyright: (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba /////////////////////////////////////////////////////////////////////////////// // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- #include "testprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #include "wx/wx.h" #endif // WX_PRECOMP // ---------------------------------------------------------------------------- // test class // ---------------------------------------------------------------------------- class StringTestCase : public CppUnit::TestCase { public: StringTestCase(); private: CPPUNIT_TEST_SUITE( StringTestCase ); CPPUNIT_TEST( String ); CPPUNIT_TEST( PChar ); CPPUNIT_TEST( Format ); CPPUNIT_TEST( Constructors ); CPPUNIT_TEST( StaticConstructors ); CPPUNIT_TEST( Extraction ); CPPUNIT_TEST( Trim ); CPPUNIT_TEST( Find ); CPPUNIT_TEST( Replace ); CPPUNIT_TEST( Match ); CPPUNIT_TEST( CaseChanges ); CPPUNIT_TEST( Compare ); CPPUNIT_TEST( CompareNoCase ); CPPUNIT_TEST( Contains ); CPPUNIT_TEST( ToLong ); CPPUNIT_TEST( ToULong ); #ifdef wxLongLong_t CPPUNIT_TEST( ToLongLong ); CPPUNIT_TEST( ToULongLong ); #endif // wxLongLong_t CPPUNIT_TEST( ToDouble ); CPPUNIT_TEST( StringBuf ); CPPUNIT_TEST( UTF8Buf ); CPPUNIT_TEST( CStrDataTernaryOperator ); CPPUNIT_TEST( CStrDataOperators ); CPPUNIT_TEST( CStrDataImplicitConversion ); CPPUNIT_TEST( ExplicitConversion ); CPPUNIT_TEST_SUITE_END(); void String(); void PChar(); void Format(); void Constructors(); void StaticConstructors(); void Extraction(); void Trim(); void Find(); void Replace(); void Match(); void CaseChanges(); void Compare(); void CompareNoCase(); void Contains(); void ToLong(); void ToULong(); #ifdef wxLongLong_t void ToLongLong(); void ToULongLong(); #endif // wxLongLong_t void ToDouble(); void StringBuf(); void UTF8Buf(); void CStrDataTernaryOperator(); void DoCStrDataTernaryOperator(bool cond); void CStrDataOperators(); void CStrDataImplicitConversion(); void ExplicitConversion(); DECLARE_NO_COPY_CLASS(StringTestCase) }; // register in the unnamed registry so that these tests are run by default CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase ); // also include in it's own registry so that these tests can be run alone CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" ); StringTestCase::StringTestCase() { } void StringTestCase::String() { wxString a, b, c; a.reserve (128); b.reserve (128); c.reserve (128); for (int i = 0; i < 2; ++i) { a = _T("Hello"); b = _T(" world"); c = _T("! How'ya doin'?"); a += b; a += c; c = _T("Hello world! What's up?"); CPPUNIT_ASSERT( c != a ); } } void StringTestCase::PChar() { wxChar a [128]; wxChar b [128]; wxChar c [128]; for (int i = 0; i < 2; ++i) { wxStrcpy (a, _T("Hello")); wxStrcpy (b, _T(" world")); wxStrcpy (c, _T("! How'ya doin'?")); wxStrcat (a, b); wxStrcat (a, c); wxStrcpy (c, _T("Hello world! What's up?")); CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 ); } } void StringTestCase::Format() { wxString s1,s2; s1.Printf(_T("%03d"), 18); CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) ); s2.Printf(_T("Number 18: %s\n"), s1.c_str()); CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) ); static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 }; for ( size_t n = 0; n < WXSIZEOF(lengths); n++ ) { const size_t len = lengths[n]; wxString s(_T('Z'), len); CPPUNIT_ASSERT_EQUAL( len, wxString::Format(_T("%s"), s.c_str()).length()); } } void StringTestCase::Constructors() { WX_ASSERT_STR_EQUAL( "", wxString('Z', 0) ); WX_ASSERT_STR_EQUAL( "Z", wxString('Z') ); WX_ASSERT_STR_EQUAL( "ZZZZ", wxString('Z', 4) ); WX_ASSERT_STR_EQUAL( "Hell", wxString("Hello", 4) ); WX_ASSERT_STR_EQUAL( "Hello", wxString("Hello", 5) ); #if wxUSE_UNICODE WX_ASSERT_STR_EQUAL( L"", wxString(L'Z', 0) ); WX_ASSERT_STR_EQUAL( L"Z", wxString(L'Z') ); WX_ASSERT_STR_EQUAL( L"ZZZZ", wxString(L'Z', 4) ); WX_ASSERT_STR_EQUAL( L"Hell", wxString(L"Hello", 4) ); WX_ASSERT_STR_EQUAL( L"Hello", wxString(L"Hello", 5) ); #endif // wxUSE_UNICODE static const char *s = "?really!"; const char *start = wxStrchr(s, 'r'); const char *end = wxStrchr(s, '!'); WX_ASSERT_STR_EQUAL( "really", wxString(start, end) ); // test if creating string from NULL C pointer works: WX_ASSERT_STR_EQUAL( "", wxString((const char *)NULL) ); } void StringTestCase::StaticConstructors() { WX_ASSERT_STR_EQUAL( "", wxString::FromAscii("") ); WX_ASSERT_STR_EQUAL( "", wxString::FromAscii("Hello", 0) ); WX_ASSERT_STR_EQUAL( "Hell", wxString::FromAscii("Hello", 4) ); WX_ASSERT_STR_EQUAL( "Hello", wxString::FromAscii("Hello", 5) ); WX_ASSERT_STR_EQUAL( "Hello", wxString::FromAscii("Hello") ); // FIXME: this doesn't work currently but should! //WX_ASSERT_SIZET_EQUAL( 1, wxString::FromAscii("", 1).length() ); WX_ASSERT_STR_EQUAL( "", wxString::FromUTF8("") ); WX_ASSERT_STR_EQUAL( "", wxString::FromUTF8("Hello", 0) ); WX_ASSERT_STR_EQUAL( "Hell", wxString::FromUTF8("Hello", 4) ); WX_ASSERT_STR_EQUAL( "Hello", wxString::FromUTF8("Hello", 5) ); WX_ASSERT_STR_EQUAL( "Hello", wxString::FromUTF8("Hello") ); //WX_ASSERT_SIZET_EQUAL( 1, wxString::FromUTF8("", 1).length() ); } void StringTestCase::Extraction() { wxString s(_T("Hello, world!")); CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 ); CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 ); CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 ); CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 ); CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 ); CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 ); CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 ); #if wxUSE_UNICODE static const char *germanUTF8 = "Oberfl\303\244che"; wxString strUnicode(wxString::FromUTF8(germanUTF8)); CPPUNIT_ASSERT( strUnicode.Mid(0, 10) == strUnicode ); CPPUNIT_ASSERT( strUnicode.Mid(7, 2) == "ch" ); #endif // wxUSE_UNICODE wxString rest; #define TEST_STARTS_WITH(prefix, correct_rest, result) \ CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest)); \ if ( result ) \ WX_ASSERT_STR_EQUAL(correct_rest, rest) TEST_STARTS_WITH( _T("Hello"), _T(", world!"), true ); TEST_STARTS_WITH( _T("Hello, "), _T("world!"), true ); TEST_STARTS_WITH( _T("Hello, world!"), _T(""), true ); TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""), false ); TEST_STARTS_WITH( _T(""), _T("Hello, world!"), true ); TEST_STARTS_WITH( _T("Goodbye"), _T(""), false ); TEST_STARTS_WITH( _T("Hi"), _T(""), false ); #undef TEST_STARTS_WITH rest = "Hello world"; CPPUNIT_ASSERT( rest.StartsWith("Hello ", &rest) ); WX_ASSERT_STR_EQUAL("world", rest); #define TEST_ENDS_WITH(suffix, correct_rest, result) \ CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest)); \ if ( result ) \ WX_ASSERT_STR_EQUAL(correct_rest, rest) TEST_ENDS_WITH( _T(""), _T("Hello, world!"), true ); TEST_ENDS_WITH( _T("!"), _T("Hello, world"), true ); TEST_ENDS_WITH( _T(", world!"), _T("Hello"), true ); TEST_ENDS_WITH( _T("ello, world!"), _T("H"), true ); TEST_ENDS_WITH( _T("Hello, world!"), _T(""), true ); TEST_ENDS_WITH( _T("very long string"), _T(""), false ); TEST_ENDS_WITH( _T("?"), _T(""), false ); TEST_ENDS_WITH( _T("Hello, world"), _T(""), false ); TEST_ENDS_WITH( _T("Gello, world!"), _T(""), false ); #undef TEST_ENDS_WITH } void StringTestCase::Trim() { #define TEST_TRIM( str , dir , result ) \ CPPUNIT_ASSERT( wxString(str).Trim(dir) == result ) TEST_TRIM( _T(" Test "), true, _T(" Test") ); TEST_TRIM( _T(" "), true, _T("") ); TEST_TRIM( _T(" "), true, _T("") ); TEST_TRIM( _T(""), true, _T("") ); TEST_TRIM( _T(" Test "), false, _T("Test ") ); TEST_TRIM( _T(" "), false, _T("") ); TEST_TRIM( _T(" "), false, _T("") ); TEST_TRIM( _T(""), false, _T("") ); #undef TEST_TRIM } void StringTestCase::Find() { #define TEST_FIND( str , start , result ) \ CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result ); TEST_FIND( _T("Well, hello world"), 0, 1 ); TEST_FIND( _T("Well, hello world"), 6, 7 ); TEST_FIND( _T("Well, hello world"), 9, wxString::npos ); #undef TEST_FIND } void StringTestCase::Replace() { #define TEST_REPLACE( original , pos , len , replacement , result ) \ { \ wxString s = original; \ s.replace( pos , len , replacement ); \ WX_ASSERT_STR_EQUAL( result, s ); \ } TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"), _T("012-BWORD-XYZ") ); TEST_REPLACE( _T("increase"), 0, 2, _T("de"), _T("decrease") ); TEST_REPLACE( _T("wxWindow"), 8, 0, _T("s"), _T("wxWindows") ); TEST_REPLACE( _T("foobar"), 3, 0, _T("-"), _T("foo-bar") ); TEST_REPLACE( _T("barfoo"), 0, 6, _T("foobar"), _T("foobar") ); #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \ { \ wxString s(o,olen); \ s.replace( pos , len , replacement ); \ CPPUNIT_ASSERT( s == wxString(r,rlen) ); \ } TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"), _T("null\0dhar"), 9 ); #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \ { \ wxString s(o,olen); \ s.Replace( olds, news, all ); \ CPPUNIT_ASSERT( s == wxString(r,rlen) ); \ } TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true, _T("null\0dehar"), 10 ); TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true, _T("null\0char"), 9 ); #undef TEST_WXREPLACE #undef TEST_NULLCHARREPLACE #undef TEST_REPLACE } void StringTestCase::Match() { #define TEST_MATCH( s1 , s2 , result ) \ CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result ) TEST_MATCH( _T("foobar"), _T("foo*"), true ); TEST_MATCH( _T("foobar"), _T("*oo*"), true ); TEST_MATCH( _T("foobar"), _T("*bar"), true ); TEST_MATCH( _T("foobar"), _T("??????"), true ); TEST_MATCH( _T("foobar"), _T("f??b*"), true ); TEST_MATCH( _T("foobar"), _T("f?b*"), false ); TEST_MATCH( _T("foobar"), _T("*goo*"), false ); TEST_MATCH( _T("foobar"), _T("*foo"), false ); TEST_MATCH( _T("foobarfoo"), _T("*foo"), true ); TEST_MATCH( _T(""), _T("*"), true ); TEST_MATCH( _T(""), _T("?"), false ); #undef TEST_MATCH } void StringTestCase::CaseChanges() { wxString s1(_T("Hello!")); wxString s1u(s1); wxString s1l(s1); s1u.MakeUpper(); s1l.MakeLower(); wxString s2u, s2l; s2u.MakeUpper(); s2l.MakeLower(); CPPUNIT_ASSERT( s1u == _T("HELLO!") ); CPPUNIT_ASSERT( s1l == _T("hello!") ); CPPUNIT_ASSERT( s2u == wxEmptyString ); CPPUNIT_ASSERT( s2l == wxEmptyString ); } void StringTestCase::Compare() { wxString s1 = wxT("AHH"); wxString eq = wxT("AHH"); wxString neq1 = wxT("HAH"); wxString neq2 = wxT("AH"); wxString neq3 = wxT("AHHH"); wxString neq4 = wxT("AhH"); CPPUNIT_ASSERT( s1 == eq ); CPPUNIT_ASSERT( s1 != neq1 ); CPPUNIT_ASSERT( s1 != neq2 ); CPPUNIT_ASSERT( s1 != neq3 ); CPPUNIT_ASSERT( s1 != neq4 ); CPPUNIT_ASSERT( s1 == wxT("AHH") ); CPPUNIT_ASSERT( s1 != wxT("no") ); CPPUNIT_ASSERT( s1 < wxT("AZ") ); CPPUNIT_ASSERT( s1 <= wxT("AZ") ); CPPUNIT_ASSERT( s1 <= wxT("AHH") ); CPPUNIT_ASSERT( s1 > wxT("AA") ); CPPUNIT_ASSERT( s1 >= wxT("AA") ); CPPUNIT_ASSERT( s1 >= wxT("AHH") ); // test comparison with C strings in Unicode build (must work in ANSI as // well, of course): CPPUNIT_ASSERT( s1 == "AHH" ); CPPUNIT_ASSERT( s1 != "no" ); CPPUNIT_ASSERT( s1 < "AZ" ); CPPUNIT_ASSERT( s1 <= "AZ" ); CPPUNIT_ASSERT( s1 <= "AHH" ); CPPUNIT_ASSERT( s1 > "AA" ); CPPUNIT_ASSERT( s1 >= "AA" ); CPPUNIT_ASSERT( s1 >= "AHH" ); // wxString _s1 = wxT("A\0HH"); // wxString _eq = wxT("A\0HH"); // wxString _neq1 = wxT("H\0AH"); // wxString _neq2 = wxT("A\0H"); // wxString _neq3 = wxT("A\0HHH"); // wxString _neq4 = wxT("A\0hH"); s1.insert(1,1,'\0'); eq.insert(1,1,'\0'); neq1.insert(1,1,'\0'); neq2.insert(1,1,'\0'); neq3.insert(1,1,'\0'); neq4.insert(1,1,'\0'); CPPUNIT_ASSERT( s1 == eq ); CPPUNIT_ASSERT( s1 != neq1 ); CPPUNIT_ASSERT( s1 != neq2 ); CPPUNIT_ASSERT( s1 != neq3 ); CPPUNIT_ASSERT( s1 != neq4 ); } void StringTestCase::CompareNoCase() { wxString s1 = wxT("AHH"); wxString eq = wxT("AHH"); wxString eq2 = wxT("AhH"); wxString eq3 = wxT("ahh"); wxString neq = wxT("HAH"); wxString neq2 = wxT("AH"); wxString neq3 = wxT("AHHH"); #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0) #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0) CPPUNIT_CNCEQ_ASSERT( s1, eq ); CPPUNIT_CNCEQ_ASSERT( s1, eq2 ); CPPUNIT_CNCEQ_ASSERT( s1, eq3 ); CPPUNIT_CNCNEQ_ASSERT( s1, neq ); CPPUNIT_CNCNEQ_ASSERT( s1, neq2 ); CPPUNIT_CNCNEQ_ASSERT( s1, neq3 ); // wxString _s1 = wxT("A\0HH"); // wxString _eq = wxT("A\0HH"); // wxString _eq2 = wxT("A\0hH"); // wxString _eq3 = wxT("a\0hh"); // wxString _neq = wxT("H\0AH"); // wxString _neq2 = wxT("A\0H"); // wxString _neq3 = wxT("A\0HHH"); s1.insert(1,1,'\0'); eq.insert(1,1,'\0'); eq2.insert(1,1,'\0'); eq3.insert(1,1,'\0'); neq.insert(1,1,'\0'); neq2.insert(1,1,'\0'); neq3.insert(1,1,'\0'); CPPUNIT_CNCEQ_ASSERT( s1, eq ); CPPUNIT_CNCEQ_ASSERT( s1, eq2 ); CPPUNIT_CNCEQ_ASSERT( s1, eq3 ); CPPUNIT_CNCNEQ_ASSERT( s1, neq ); CPPUNIT_CNCNEQ_ASSERT( s1, neq2 ); CPPUNIT_CNCNEQ_ASSERT( s1, neq3 ); } void StringTestCase::Contains() { static const struct ContainsData { const wxChar *hay; const wxChar *needle; bool contains; } containsData[] = { { _T(""), _T(""), true }, { _T(""), _T("foo"), false }, { _T("foo"), _T(""), true }, { _T("foo"), _T("f"), true }, { _T("foo"), _T("o"), true }, { _T("foo"), _T("oo"), true }, { _T("foo"), _T("ooo"), false }, { _T("foo"), _T("oooo"), false }, { _T("foo"), _T("fooo"), false }, }; for ( size_t n = 0; n < WXSIZEOF(containsData); n++ ) { const ContainsData& cd = containsData[n]; CPPUNIT_ASSERT_EQUAL( cd.contains, wxString(cd.hay).Contains(cd.needle) ); } } // flags used in ToLongData.flags enum { Number_Ok = 0, Number_Invalid = 1, Number_Unsigned = 2, // if not specified, works for signed conversion Number_Signed = 4, // if not specified, works for unsigned Number_LongLong = 8, // only for long long tests Number_Long = 16, // only for long tests }; static const struct ToLongData { const wxChar *str; #ifdef wxLongLong_t wxLongLong_t value; #else long value; #endif // wxLongLong_t int flags; long LValue() const { return value; } unsigned long ULValue() const { return value; } #ifdef wxLongLong_t wxLongLong_t LLValue() const { return value; } wxULongLong_t ULLValue() const { return (wxULongLong_t)value; } #endif // wxLongLong_t bool IsOk() const { return !(flags & Number_Invalid); } } longData[] = { { _T("1"), 1, Number_Ok }, { _T("0"), 0, Number_Ok }, { _T("a"), 0, Number_Invalid }, { _T("12345"), 12345, Number_Ok }, { _T("--1"), 0, Number_Invalid }, { _T("-1"), -1, Number_Signed | Number_Long }, // this is surprizing but consistent with strtoul() behaviour { _T("-1"), ULONG_MAX, Number_Unsigned | Number_Long }, // this must overflow, even with 64 bit long { _T("922337203685477580711"), 0, Number_Invalid }, #ifdef wxLongLong_t { _T("2147483648"), wxLL(2147483648), Number_LongLong }, { _T("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed }, { _T("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong | Number_Unsigned }, #endif // wxLongLong_t }; void StringTestCase::ToLong() { long l; for ( size_t n = 0; n < WXSIZEOF(longData); n++ ) { const ToLongData& ld = longData[n]; if ( ld.flags & (Number_LongLong | Number_Unsigned) ) continue; CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLong(&l) ); if ( ld.IsOk() ) CPPUNIT_ASSERT_EQUAL( ld.LValue(), l ); } } void StringTestCase::ToULong() { unsigned long ul; for ( size_t n = 0; n < WXSIZEOF(longData); n++ ) { const ToLongData& ld = longData[n]; if ( ld.flags & (Number_LongLong | Number_Signed) ) continue; CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULong(&ul) ); if ( ld.IsOk() ) CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul ); } } #ifdef wxLongLong_t void StringTestCase::ToLongLong() { wxLongLong_t l; for ( size_t n = 0; n < WXSIZEOF(longData); n++ ) { const ToLongData& ld = longData[n]; if ( ld.flags & (Number_Long | Number_Unsigned) ) continue; CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLongLong(&l) ); if ( ld.IsOk() ) CPPUNIT_ASSERT_EQUAL( ld.LLValue(), l ); } } void StringTestCase::ToULongLong() { wxULongLong_t ul; for ( size_t n = 0; n < WXSIZEOF(longData); n++ ) { const ToLongData& ld = longData[n]; if ( ld.flags & (Number_Long | Number_Signed) ) continue; CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULongLong(&ul) ); if ( ld.IsOk() ) CPPUNIT_ASSERT_EQUAL( ld.ULLValue(), ul ); } } #endif // wxLongLong_t void StringTestCase::ToDouble() { double d; static const struct ToDoubleData { const wxChar *str; double value; bool ok; } doubleData[] = { { _T("1"), 1, true }, { _T("1.23"), 1.23, true }, { _T(".1"), .1, true }, { _T("1."), 1, true }, { _T("1.."), 0, false }, { _T("0"), 0, true }, { _T("a"), 0, false }, { _T("12345"), 12345, true }, { _T("-1"), -1, true }, { _T("--1"), 0, false }, }; // we need to use decimal point, not comma or whatever is its value for the // current locale wxSetlocale(LC_ALL, "C"); size_t n; for ( n = 0; n < WXSIZEOF(doubleData); n++ ) { const ToDoubleData& ld = doubleData[n]; CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) ); if ( ld.ok ) CPPUNIT_ASSERT_EQUAL( ld.value, d ); } } void StringTestCase::StringBuf() { // check that buffer can be used to write into the string wxString s; wxStrcpy(wxStringBuffer(s, 10), _T("foo")); WX_ASSERT_SIZET_EQUAL(3, s.length()); CPPUNIT_ASSERT(_T('f') == s[0u]); CPPUNIT_ASSERT(_T('o') == s[1]); CPPUNIT_ASSERT(_T('o') == s[2]); { // also check that the buffer initially contains the original string // contents wxStringBuffer buf(s, 10); CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] ); CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] ); CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] ); CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] ); } { wxStringBufferLength buf(s, 10); CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] ); CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] ); CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] ); CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] ); // and check that it can be used to write only the specified number of // characters to the string wxStrcpy(buf, _T("barrbaz")); buf.SetLength(4); } WX_ASSERT_SIZET_EQUAL(4, s.length()); CPPUNIT_ASSERT(_T('b') == s[0u]); CPPUNIT_ASSERT(_T('a') == s[1]); CPPUNIT_ASSERT(_T('r') == s[2]); CPPUNIT_ASSERT(_T('r') == s[3]); // check that creating buffer of length smaller than string works, i.e. at // least doesn't crash (it would if we naively copied the entire original // string contents in the buffer) *wxStringBuffer(s, 1) = '!'; } void StringTestCase::UTF8Buf() { #if wxUSE_UNICODE // "czech" in Czech ("cestina"): static const char *textUTF8 = "\304\215e\305\241tina"; static const wchar_t textUTF16[] = {0x10D, 0x65, 0x161, 0x74, 0x69, 0x6E, 0x61, 0}; wxString s; wxStrcpy(wxUTF8StringBuffer(s, 9), textUTF8); CPPUNIT_ASSERT(s == textUTF16); { wxUTF8StringBufferLength buf(s, 20); wxStrcpy(buf, textUTF8); buf.SetLength(5); } CPPUNIT_ASSERT(s == wxString(textUTF16, 0, 3)); #endif // wxUSE_UNICODE } void StringTestCase::CStrDataTernaryOperator() { DoCStrDataTernaryOperator(true); DoCStrDataTernaryOperator(false); } template bool CheckStr(const wxString& expected, T s) { return expected == wxString(s); } void StringTestCase::DoCStrDataTernaryOperator(bool cond) { // test compilation of wxCStrData when used with operator?: (the asserts // are not very important, we're testing if the code compiles at all): wxString s("foo"); const wchar_t *wcStr = L"foo"; CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : wcStr)) ); CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : L"foo")) ); CPPUNIT_ASSERT( CheckStr(s, (cond ? wcStr : s.c_str())) ); CPPUNIT_ASSERT( CheckStr(s, (cond ? L"foo" : s.c_str())) ); const char *mbStr = "foo"; CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : mbStr)) ); CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : "foo")) ); CPPUNIT_ASSERT( CheckStr(s, (cond ? mbStr : s.c_str())) ); CPPUNIT_ASSERT( CheckStr(s, (cond ? "foo" : s.c_str())) ); wxString empty(""); CPPUNIT_ASSERT( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) ); CPPUNIT_ASSERT( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) ); } void StringTestCase::CStrDataOperators() { wxString s("hello"); CPPUNIT_ASSERT( s.c_str()[0] == 'h' ); CPPUNIT_ASSERT( s.c_str()[1] == 'e' ); CPPUNIT_ASSERT( s.c_str()[5] == '\0' ); CPPUNIT_ASSERT( *s.c_str() == 'h' ); CPPUNIT_ASSERT( *(s.c_str() + 2) == 'l' ); CPPUNIT_ASSERT( *(s.c_str() + 5) == '\0' ); } bool CheckStrChar(const wxString& expected, char *s) { return CheckStr(expected, s); } bool CheckStrWChar(const wxString& expected, wchar_t *s) { return CheckStr(expected, s); } bool CheckStrConstChar(const wxString& expected, const char *s) { return CheckStr(expected, s); } bool CheckStrConstWChar(const wxString& expected, const wchar_t *s) { return CheckStr(expected, s); } void StringTestCase::CStrDataImplicitConversion() { wxString s("foo"); CPPUNIT_ASSERT( CheckStrConstWChar(s, s.c_str()) ); CPPUNIT_ASSERT( CheckStrConstChar(s, s.c_str()) ); // implicit conversion of wxString is not available in STL build #if !wxUSE_STL CPPUNIT_ASSERT( CheckStrConstWChar(s, s) ); CPPUNIT_ASSERT( CheckStrConstChar(s, s) ); #endif } void StringTestCase::ExplicitConversion() { wxString s("foo"); CPPUNIT_ASSERT( CheckStr(s, s.mb_str()) ); CPPUNIT_ASSERT( CheckStrConstChar(s, s.mb_str()) ); CPPUNIT_ASSERT( CheckStrChar(s, s.char_str()) ); CPPUNIT_ASSERT( CheckStr(s, s.wc_str()) ); CPPUNIT_ASSERT( CheckStrConstWChar(s, s.wc_str()) ); CPPUNIT_ASSERT( CheckStrWChar(s, s.wchar_str()) ); }