497 lines
15 KiB
C++
497 lines
15 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: tests/strings/unicode.cpp
|
|
// Purpose: Unicode unit test
|
|
// Author: Vadim Zeitlin, Wlodzimierz ABX Skiba
|
|
// Created: 2004-04-28
|
|
// 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
|
|
|
|
#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 <typename T>
|
|
static std::string
|
|
Message(size_t n,
|
|
const char *func,
|
|
const wxCharTypeBuffer<T>& actual,
|
|
const T *expected)
|
|
{
|
|
return Message(n,
|
|
wxString::Format("%s returned \"%s\", expected \"%s\"",
|
|
func, actual.data(), expected));
|
|
}
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// test class
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class UnicodeTestCase : public CppUnit::TestCase
|
|
{
|
|
public:
|
|
UnicodeTestCase();
|
|
|
|
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)
|
|
};
|
|
|
|
// register in the unnamed registry so that these tests are run by default
|
|
CPPUNIT_TEST_SUITE_REGISTRATION( UnicodeTestCase );
|
|
|
|
// also include in its own registry so that these tests can be run alone
|
|
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( UnicodeTestCase, "UnicodeTestCase" );
|
|
|
|
UnicodeTestCase::UnicodeTestCase()
|
|
{
|
|
}
|
|
|
|
void UnicodeTestCase::ToFromAscii()
|
|
{
|
|
|
|
#define TEST_TO_FROM_ASCII(txt) \
|
|
{ \
|
|
static const char *msg = txt; \
|
|
wxString s = wxString::FromAscii(msg); \
|
|
CPPUNIT_ASSERT( strcmp( s.ToAscii() , msg ) == 0 ); \
|
|
}
|
|
|
|
TEST_TO_FROM_ASCII( "Hello, world!" );
|
|
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(wxConvLibc);
|
|
|
|
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) == 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
|
|
|
|
const char *null4buff = "\0\0\0\0";
|
|
wxString null4str(null4buff, 4);
|
|
CPPUNIT_ASSERT_EQUAL( 4, null4str.length() );
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static const char* const u25a6 = "\xe2\x96\xa6";
|
|
wxMBConvUTF8 c(wxMBConvUTF8::MAP_INVALID_UTF8_TO_OCTAL);
|
|
CPPUNIT_ASSERT_EQUAL( 2, c.ToWChar(NULL, 0, u25a6, wxNO_LEN) );
|
|
CPPUNIT_ASSERT_EQUAL( 0, c.ToWChar(NULL, 0, u25a6, 0) );
|
|
CPPUNIT_ASSERT_EQUAL( 1, c.ToWChar(NULL, 0, u25a6, 3) );
|
|
CPPUNIT_ASSERT_EQUAL( 2, c.ToWChar(NULL, 0, u25a6, 4) );
|
|
}
|
|
|
|
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 );
|
|
|
|
// When using UTF-16 internally (i.e. MSW), we don't have any surrogate
|
|
// support, so the length of the string below is 2, not 1.
|
|
#if SIZEOF_WCHAR_T == 4
|
|
// Another one: verify that the length of the resulting string is computed
|
|
// correctly when there is a surrogate in the input.
|
|
wxMBConvUTF16BE().cMB2WC("\xd8\x03\xdc\x01\0" /* OLD TURKIC LETTER YENISEI A */, wxNO_LEN, &len);
|
|
CPPUNIT_ASSERT_EQUAL( 1, len );
|
|
#endif // UTF-32 internal representation
|
|
}
|
|
|
|
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
|
|
|