X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ede838eb4d96c83963498e28480175c1375d2901..d9307d006e88025e28457290c9997f7c0f7c4fdc:/tests/strings/unicode.cpp diff --git a/tests/strings/unicode.cpp b/tests/strings/unicode.cpp index 5e17bd3a74..8a0574e43d 100644 --- a/tests/strings/unicode.cpp +++ b/tests/strings/unicode.cpp @@ -18,8 +18,118 @@ #endif #ifndef WX_PRECOMP + #include "wx/wx.h" #endif // WX_PRECOMP +#include "wx/encconv.h" + +// ---------------------------------------------------------------------------- +// helper class holding the matching MB and WC strings +// ---------------------------------------------------------------------------- + +struct StringConversionData +{ + // either str or wcs (but not both) may be NULL, this means that the conversion + // to it should fail + StringConversionData(const char *str_, const wchar_t *wcs_, int flags_ = 0) + : str(str_), wcs(wcs_), flags(flags_) + { + } + + const char * const str; + const wchar_t * const wcs; + + enum + { + TEST_BOTH = 0, // test both str -> wcs and wcs -> str + ONLY_MB2WC = 1 // only test str -> wcs conversion + }; + + const int flags; + + // test that the conversion between str and wcs (subject to flags) succeeds + // + // the first argument is the index in the test array and is used solely for + // diagnostics + void Test(size_t n, wxMBConv& conv) const + { + if ( str ) + { + wxWCharBuffer wbuf = conv.cMB2WC(str); + + if ( wcs ) + { + CPPUNIT_ASSERT_MESSAGE + ( + Message(n, "MB2WC failed"), + wbuf.data() + ); + + CPPUNIT_ASSERT_MESSAGE + ( + Message(n, "MB2WC", wbuf, wcs), + wxStrcmp(wbuf, wcs) == 0 + ); + } + else // conversion is supposed to fail + { + CPPUNIT_ASSERT_MESSAGE + ( + Message(n, "MB2WC succeeded"), + !wbuf.data() + ); + } + } + + if ( wcs && !(flags & ONLY_MB2WC) ) + { + wxCharBuffer buf = conv.cWC2MB(wcs); + + if ( str ) + { + CPPUNIT_ASSERT_MESSAGE + ( + Message(n, "WC2MB failed"), + buf.data() + ); + + CPPUNIT_ASSERT_MESSAGE + ( + Message(n, "WC2MB", buf, str), + strcmp(buf, str) == 0 + ); + } + else + { + CPPUNIT_ASSERT_MESSAGE + ( + Message(n, "WC2MB succeeded"), + !buf.data() + ); + } + } + } + +private: + static std::string + Message(size_t n, const wxString& msg) + { + return std::string(wxString::Format("#%lu: %s", (unsigned long)n, msg)); + } + + template + static std::string + Message(size_t n, + const char *func, + const wxCharTypeBuffer& actual, + const T *expected) + { + return Message(n, + wxString::Format("%s returned \"%s\", expected \"%s\"", + func, actual.data(), expected)); + } +}; + // ---------------------------------------------------------------------------- // test class // ---------------------------------------------------------------------------- @@ -32,9 +142,31 @@ public: private: CPPUNIT_TEST_SUITE( UnicodeTestCase ); CPPUNIT_TEST( ToFromAscii ); + CPPUNIT_TEST( ConstructorsWithConversion ); + CPPUNIT_TEST( ConversionFixed ); + CPPUNIT_TEST( ConversionWithNULs ); + CPPUNIT_TEST( ConversionUTF7 ); + CPPUNIT_TEST( ConversionUTF8 ); + CPPUNIT_TEST( ConversionUTF16 ); + CPPUNIT_TEST( ConversionUTF32 ); + CPPUNIT_TEST( IsConvOk ); +#if wxUSE_UNICODE + CPPUNIT_TEST( Iteration ); +#endif CPPUNIT_TEST_SUITE_END(); void ToFromAscii(); + void ConstructorsWithConversion(); + void ConversionFixed(); + void ConversionWithNULs(); + void ConversionUTF7(); + void ConversionUTF8(); + void ConversionUTF16(); + void ConversionUTF32(); + void IsConvOk(); +#if wxUSE_UNICODE + void Iteration(); +#endif DECLARE_NO_COPY_CLASS(UnicodeTestCase) }; @@ -42,7 +174,7 @@ private: // register in the unnamed registry so that these tests are run by default CPPUNIT_TEST_SUITE_REGISTRATION( UnicodeTestCase ); -// also include in it's own registry so that these tests can be run alone +// also include in its own registry so that these tests can be run alone CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( UnicodeTestCase, "UnicodeTestCase" ); UnicodeTestCase::UnicodeTestCase() @@ -63,3 +195,283 @@ void UnicodeTestCase::ToFromAscii() TEST_TO_FROM_ASCII( "additional \" special \t test \\ component \n :-)" ); } +void UnicodeTestCase::ConstructorsWithConversion() +{ + // the string "Déjà" in UTF-8 and wchar_t: + const unsigned char utf8Buf[] = {0x44,0xC3,0xA9,0x6A,0xC3,0xA0,0}; + const unsigned char utf8subBuf[] = {0x44,0xC3,0xA9,0x6A,0}; // just "Déj" + const char *utf8 = (char *)utf8Buf; + const char *utf8sub = (char *)utf8subBuf; + + wxString s1(utf8, wxConvUTF8); + +#if wxUSE_UNICODE + const wchar_t wchar[] = {0x44,0xE9,0x6A,0xE0,0}; + CPPUNIT_ASSERT_EQUAL( wchar, s1 ); + + wxString s2(wchar); + CPPUNIT_ASSERT_EQUAL( wchar, s2 ); + CPPUNIT_ASSERT_EQUAL( wxString::FromUTF8(utf8), s2 ); +#else + CPPUNIT_ASSERT_EQUAL( utf8, s1 ); +#endif + + wxString sub(utf8sub, wxConvUTF8); // "Dej" substring + wxString s3(utf8, wxConvUTF8, 4); + CPPUNIT_ASSERT_EQUAL( sub, s3 ); + +#if wxUSE_UNICODE + wxString s4(wchar, wxConvUTF8, 3); + CPPUNIT_ASSERT_EQUAL( sub, s4 ); + + // conversion should stop with failure at pos 35 + wxString s("\t[pl]open.format.Sformatuj dyskietk\xea=gfloppy %f", wxConvUTF8); + CPPUNIT_ASSERT( s.empty() ); +#endif // wxUSE_UNICODE + + + // test using Unicode strings together with char* strings (this must work + // in ANSI mode as well, of course): + wxString s5("ascii"); + CPPUNIT_ASSERT_EQUAL( "ascii", s5 ); + + s5 += " value"; + + CPPUNIT_ASSERT( strcmp(s5.mb_str(), "ascii value") == 0 ); + CPPUNIT_ASSERT_EQUAL( "ascii value", s5 ); + CPPUNIT_ASSERT( s5 != "SomethingElse" ); +} + +void UnicodeTestCase::ConversionFixed() +{ + size_t len; + +#if wxUSE_UNICODE + wxConvLibc.cWC2MB(L"", 0, &len); +#else // !wxUSE_UNICODE + wxConvLibc.cMB2WC("", 0, &len); +#endif // wxUSE_UNICODE/!wxUSE_UNICODE + + CPPUNIT_ASSERT_EQUAL( 0, len ); + +#if wxUSE_UNICODE + // check that when we convert a fixed number of characters we obtain the + // expected return value + CPPUNIT_ASSERT_EQUAL( 0, wxConvLibc.ToWChar(NULL, 0, "", 0) ); + CPPUNIT_ASSERT_EQUAL( 1, wxConvLibc.ToWChar(NULL, 0, "x", 1) ); + CPPUNIT_ASSERT_EQUAL( 2, wxConvLibc.ToWChar(NULL, 0, "x", 2) ); + CPPUNIT_ASSERT_EQUAL( 2, wxConvLibc.ToWChar(NULL, 0, "xy", 2) ); +#endif // wxUSE_UNICODE +} + +void UnicodeTestCase::ConversionWithNULs() +{ +#if wxUSE_UNICODE + static const size_t lenNulString = 10; + + wxString szTheString(L"The\0String", wxConvLibc, lenNulString); + wxCharBuffer theBuffer = szTheString.mb_str(); + + CPPUNIT_ASSERT( memcmp(theBuffer.data(), "The\0String", + lenNulString + 1) == 0 ); + + wxString szTheString2("The\0String", wxConvLocal, lenNulString); + CPPUNIT_ASSERT_EQUAL( lenNulString, szTheString2.length() ); + CPPUNIT_ASSERT( wxTmemcmp(szTheString2.c_str(), L"The\0String", + lenNulString + 1) == 0 ); +#else // !wxUSE_UNICODE + wxString szTheString("TheString"); + szTheString.insert(3, 1, '\0'); + wxWCharBuffer theBuffer = szTheString.wc_str(wxConvLibc); + + CPPUNIT_ASSERT( memcmp(theBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 ); + + wxString szLocalTheString("TheString"); + szLocalTheString.insert(3, 1, '\0'); + wxWCharBuffer theLocalBuffer = szLocalTheString.wc_str(wxConvLocal); + + CPPUNIT_ASSERT( memcmp(theLocalBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 ); +#endif // wxUSE_UNICODE/!wxUSE_UNICODE +} + +void UnicodeTestCase::ConversionUTF7() +{ + static const StringConversionData utf7data[] = + { + // normal fragments + StringConversionData("+AKM-", L"\xa3"), + StringConversionData("+AOk-t+AOk-", L"\xe9t\xe9"), + + // this one is an alternative valid encoding of the same string + StringConversionData("+AOk-t+AOk", L"\xe9t\xe9", + StringConversionData::ONLY_MB2WC), + + // some special cases + StringConversionData("+-", L"+"), + StringConversionData("+--", L"+-"), + + // the following are invalid UTF-7 sequences + StringConversionData("\xa3", NULL), + StringConversionData("+", NULL), + StringConversionData("+~", NULL), + StringConversionData("a+", NULL), + }; + + for ( size_t n = 0; n < WXSIZEOF(utf7data); n++ ) + { + const StringConversionData& d = utf7data[n]; + + // converting to/from UTF-7 using iconv() currently doesn't work + // because of several problems: + // - GetMBNulLen() doesn't return correct result (iconv converts L'\0' + // to an incomplete and anyhow nonsensical "+AA" string) + // - iconv refuses to convert "+-" (although it converts "+-\n" just + // fine, go figure) + // + // I have no idea how to fix this so just disable the test for now +#if 0 + d.Test(n, wxCSConv("utf-7")); +#endif + d.Test(n, wxConvUTF7); + } +} + +void UnicodeTestCase::ConversionUTF8() +{ + static const StringConversionData utf8data[] = + { +#ifdef wxHAVE_U_ESCAPE + StringConversionData("\xc2\xa3", L"\u00a3"), +#endif + StringConversionData("\xc2", NULL), + }; + + wxCSConv conv(wxT("utf-8")); + for ( size_t n = 0; n < WXSIZEOF(utf8data); n++ ) + { + const StringConversionData& d = utf8data[n]; + d.Test(n, conv); + d.Test(n, wxConvUTF8); + } +} + +void UnicodeTestCase::ConversionUTF16() +{ + static const StringConversionData utf16data[] = + { +#ifdef wxHAVE_U_ESCAPE + StringConversionData( + "\x04\x1f\x04\x40\x04\x38\x04\x32\x04\x35\x04\x42\0\0", + L"\u041f\u0440\u0438\u0432\u0435\u0442"), + StringConversionData( + "\x01\0\0b\x01\0\0a\x01\0\0r\0\0", + L"\u0100b\u0100a\u0100r"), +#endif + StringConversionData("\0f\0o\0o\0\0", L"foo"), + }; + + wxCSConv conv(wxFONTENCODING_UTF16BE); + for ( size_t n = 0; n < WXSIZEOF(utf16data); n++ ) + { + const StringConversionData& d = utf16data[n]; + d.Test(n, conv); + } + + // special case: this string has consecutive NULs inside it which don't + // terminate the string, this exposed a bug in our conversion code which + // got confused in this case + size_t len; + conv.cMB2WC("\x01\0\0B\0C" /* A macron BC */, 6, &len); + CPPUNIT_ASSERT_EQUAL( 3, len ); +} + +void UnicodeTestCase::ConversionUTF32() +{ + static const StringConversionData utf32data[] = + { +#ifdef wxHAVE_U_ESCAPE + StringConversionData( + "\0\0\x04\x1f\0\0\x04\x40\0\0\x04\x38\0\0\x04\x32\0\0\x04\x35\0\0\x04\x42\0\0\0\0", + L"\u041f\u0440\u0438\u0432\u0435\u0442"), +#endif + StringConversionData("\0\0\0f\0\0\0o\0\0\0o\0\0\0\0", L"foo"), + }; + + wxCSConv conv(wxFONTENCODING_UTF32BE); + for ( size_t n = 0; n < WXSIZEOF(utf32data); n++ ) + { + const StringConversionData& d = utf32data[n]; + d.Test(n, conv); + } + + size_t len; + conv.cMB2WC("\0\0\x01\0\0\0\0B\0\0\0C" /* A macron BC */, 12, &len); + CPPUNIT_ASSERT_EQUAL( 3, len ); +} + +void UnicodeTestCase::IsConvOk() +{ + CPPUNIT_ASSERT( wxCSConv(wxFONTENCODING_SYSTEM).IsOk() ); + CPPUNIT_ASSERT( wxCSConv("US-ASCII").IsOk() ); + CPPUNIT_ASSERT( wxCSConv("UTF-8").IsOk() ); + CPPUNIT_ASSERT( !wxCSConv("NoSuchConversion").IsOk() ); + +#ifdef __WINDOWS__ + CPPUNIT_ASSERT( wxCSConv("WINDOWS-437").IsOk() ); +#endif +} + +#if wxUSE_UNICODE +void UnicodeTestCase::Iteration() +{ + // "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 text(wxString::FromUTF8(textUTF8)); + CPPUNIT_ASSERT( wxStrcmp(text.wc_str(), textUTF16) == 0 ); + + // verify the string was decoded correctly: + { + size_t idx = 0; + for ( wxString::const_iterator i = text.begin(); i != text.end(); ++i, ++idx ) + { + CPPUNIT_ASSERT( *i == textUTF16[idx] ); + } + } + + // overwrite the string with something that is shorter in UTF-8: + { + for ( wxString::iterator i = text.begin(); i != text.end(); ++i ) + *i = 'x'; + } + + // restore the original text now: + { + wxString::iterator end1 = text.end(); + wxString::const_iterator end2 = text.end(); + + size_t idx = 0; + for ( wxString::iterator i = text.begin(); i != text.end(); ++i, ++idx ) + { + *i = textUTF16[idx]; + + CPPUNIT_ASSERT( end1 == text.end() ); + CPPUNIT_ASSERT( end2 == text.end() ); + } + + CPPUNIT_ASSERT( end1 == text.end() ); + CPPUNIT_ASSERT( end2 == text.end() ); + } + + // and verify it again: + { + size_t idx = 0; + for ( wxString::const_iterator i = text.begin(); i != text.end(); ++i, ++idx ) + { + CPPUNIT_ASSERT( *i == textUTF16[idx] ); + } + } +} +#endif // wxUSE_UNICODE +