wxWidgets/tests/mbconv/convautotest.cpp

309 lines
8.9 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/mbconv/convauto.cpp
// Purpose: wxConvAuto unit test
// Author: Vadim Zeitlin
// Created: 2006-04-04
// Copyright: (c) 2006 Vadim Zeitlin
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#if wxUSE_UNICODE
#include "wx/convauto.h"
#include "wx/mstream.h"
#include "wx/txtstrm.h"
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class ConvAutoTestCase : public CppUnit::TestCase
{
public:
ConvAutoTestCase() { }
private:
CPPUNIT_TEST_SUITE( ConvAutoTestCase );
CPPUNIT_TEST( Init );
CPPUNIT_TEST( Empty );
CPPUNIT_TEST( Encode );
CPPUNIT_TEST( Short );
CPPUNIT_TEST( None );
CPPUNIT_TEST( UTF32LE );
CPPUNIT_TEST( UTF32BE );
CPPUNIT_TEST( UTF16LE );
CPPUNIT_TEST( UTF16BE );
CPPUNIT_TEST( UTF8 );
CPPUNIT_TEST( UTF8NoBom );
CPPUNIT_TEST( Fallback );
CPPUNIT_TEST( FallbackMultibyte );
CPPUNIT_TEST( FallbackShort );
CPPUNIT_TEST( StreamUTF8NoBOM );
CPPUNIT_TEST( StreamUTF8 );
CPPUNIT_TEST( StreamUTF16LE );
CPPUNIT_TEST( StreamUTF16BE );
CPPUNIT_TEST( StreamUTF32LE );
CPPUNIT_TEST( StreamUTF32BE );
CPPUNIT_TEST( StreamFallback );
CPPUNIT_TEST( StreamFallbackMultibyte );
CPPUNIT_TEST_SUITE_END();
// expected converter state, UTF-8 without BOM by default
struct ConvState
{
ConvState( wxBOM bom = wxBOM_None,
wxFontEncoding enc = wxFONTENCODING_UTF8,
bool fallback = false )
: m_bom(bom), m_enc(enc), m_fallback(fallback) {}
void Check(const wxConvAuto& conv) const
{
CPPUNIT_ASSERT( conv.GetBOM() == m_bom );
CPPUNIT_ASSERT( conv.GetEncoding() == m_enc );
CPPUNIT_ASSERT( conv.IsUsingFallbackEncoding() == m_fallback );
CPPUNIT_ASSERT( conv.IsUTF8() == (m_enc == wxFONTENCODING_UTF8) );
}
wxBOM m_bom;
wxFontEncoding m_enc;
bool m_fallback;
};
// real test function: check that converting the src multibyte string to
// wide char using wxConvAuto yields wch as the first result
//
// the length of the string may need to be passed explicitly if it has
// embedded NULs, otherwise it's not necessary
void TestFirstChar(const char *src, wchar_t wch, size_t len = wxNO_LEN,
ConvState st = ConvState(),
wxFontEncoding fe = wxFONTENCODING_DEFAULT);
void Init();
void Empty();
void Encode();
void Short();
void None();
void UTF32LE();
void UTF32BE();
void UTF16LE();
void UTF16BE();
void UTF8();
void UTF8NoBom();
void Fallback();
void FallbackMultibyte();
void FallbackShort();
// test whether two lines of text are converted properly from a stream
void TestTextStream(const char *src,
size_t srclength,
const wxString& line1,
const wxString& line2,
wxFontEncoding fe = wxFONTENCODING_DEFAULT);
void StreamUTF8NoBOM();
void StreamUTF8();
void StreamUTF16LE();
void StreamUTF16BE();
void StreamUTF32LE();
void StreamUTF32BE();
void StreamFallback();
void StreamFallbackMultibyte();
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION(ConvAutoTestCase);
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(ConvAutoTestCase, "ConvAutoTestCase");
// ----------------------------------------------------------------------------
// tests
// ----------------------------------------------------------------------------
void ConvAutoTestCase::TestFirstChar(const char *src, wchar_t wch, size_t len,
ConvState st, wxFontEncoding fe)
{
wxConvAuto conv(fe);
wxWCharBuffer wbuf = conv.cMB2WC(src, len, NULL);
CPPUNIT_ASSERT( wbuf );
CPPUNIT_ASSERT_EQUAL( wch, *wbuf );
st.Check(conv);
}
void ConvAutoTestCase::Init()
{
ConvState(wxBOM_Unknown, wxFONTENCODING_MAX).Check(wxConvAuto());
}
void ConvAutoTestCase::Empty()
{
wxConvAuto conv;
CPPUNIT_ASSERT( !conv.cMB2WC("") );
ConvState(wxBOM_Unknown, wxFONTENCODING_MAX).Check(conv);
}
void ConvAutoTestCase::Encode()
{
wxConvAuto conv;
wxString str = wxString::FromUTF8("\xd0\x9f\xe3\x81\x82");
wxCharBuffer buf = conv.cWC2MB(str.wc_str());
CPPUNIT_ASSERT( buf );
CPPUNIT_ASSERT_EQUAL( str, wxString::FromUTF8(buf) );
ConvState(wxBOM_Unknown, wxFONTENCODING_UTF8).Check(conv);
}
void ConvAutoTestCase::Short()
{
TestFirstChar("1", wxT('1'));
}
void ConvAutoTestCase::None()
{
TestFirstChar("Hello world", wxT('H'));
}
void ConvAutoTestCase::UTF32LE()
{
TestFirstChar("\xff\xfe\0\0A\0\0\0", wxT('A'), 8, ConvState(wxBOM_UTF32LE, wxFONTENCODING_UTF32LE));
}
void ConvAutoTestCase::UTF32BE()
{
TestFirstChar("\0\0\xfe\xff\0\0\0B", wxT('B'), 8, ConvState(wxBOM_UTF32BE, wxFONTENCODING_UTF32BE));
}
void ConvAutoTestCase::UTF16LE()
{
TestFirstChar("\xff\xfeZ\0", wxT('Z'), 4, ConvState(wxBOM_UTF16LE, wxFONTENCODING_UTF16LE));
}
void ConvAutoTestCase::UTF16BE()
{
TestFirstChar("\xfe\xff\0Y", wxT('Y'), 4, ConvState(wxBOM_UTF16BE, wxFONTENCODING_UTF16BE));
}
void ConvAutoTestCase::UTF8()
{
#ifdef wxHAVE_U_ESCAPE
TestFirstChar("\xef\xbb\xbf\xd0\x9f", L'\u041f', wxNO_LEN, ConvState(wxBOM_UTF8, wxFONTENCODING_UTF8));
#endif
}
void ConvAutoTestCase::UTF8NoBom()
{
#ifdef wxHAVE_U_ESCAPE
TestFirstChar("\xd0\x9f\xe3\x81\x82", L'\u041f', wxNO_LEN, ConvState(wxBOM_None, wxFONTENCODING_UTF8));
#endif
}
void ConvAutoTestCase::Fallback()
{
#ifdef wxHAVE_U_ESCAPE
TestFirstChar("\xbf", L'\u041f', wxNO_LEN,
ConvState(wxBOM_None, wxFONTENCODING_ISO8859_5, true),
wxFONTENCODING_ISO8859_5);
#endif
}
void ConvAutoTestCase::FallbackMultibyte()
{
#ifdef wxHAVE_U_ESCAPE
TestFirstChar("\x84\x50", L'\u041f', wxNO_LEN,
ConvState(wxBOM_None, wxFONTENCODING_CP932, true),
wxFONTENCODING_CP932);
#endif
}
void ConvAutoTestCase::FallbackShort()
{
TestFirstChar("\x61\xc4", 'a', 2,
ConvState(wxBOM_None, wxFONTENCODING_ISO8859_5, true),
wxFONTENCODING_ISO8859_5);
}
void ConvAutoTestCase::TestTextStream(const char *src,
size_t srclength,
const wxString& line1,
const wxString& line2,
wxFontEncoding fe)
{
wxMemoryInputStream instream(src, srclength);
wxTextInputStream text(instream, wxT(" \t"), wxConvAuto(fe));
CPPUNIT_ASSERT_EQUAL( line1, text.ReadLine() );
CPPUNIT_ASSERT_EQUAL( line2, text.ReadLine() );
}
// the first line of the teststring used in the following functions is an
// 'a' followed by a Japanese hiragana A (u+3042).
// The second line is a single Greek beta (u+03B2). There is no blank line
// at the end.
namespace
{
const wxString line1 = wxString::FromUTF8("a\xe3\x81\x82");
const wxString line2 = wxString::FromUTF8("\xce\xb2");
} // anonymous namespace
void ConvAutoTestCase::StreamUTF8NoBOM()
{
TestTextStream("\x61\xE3\x81\x82\x0A\xCE\xB2",
7, line1, line2);
}
void ConvAutoTestCase::StreamUTF8()
{
TestTextStream("\xEF\xBB\xBF\x61\xE3\x81\x82\x0A\xCE\xB2",
10, line1, line2);
}
void ConvAutoTestCase::StreamUTF16LE()
{
TestTextStream("\xFF\xFE\x61\x00\x42\x30\x0A\x00\xB2\x03",
10, line1, line2);
}
void ConvAutoTestCase::StreamUTF16BE()
{
TestTextStream("\xFE\xFF\x00\x61\x30\x42\x00\x0A\x03\xB2",
10, line1, line2);
}
void ConvAutoTestCase::StreamUTF32LE()
{
TestTextStream("\xFF\xFE\0\0\x61\x00\0\0\x42\x30\0\0\x0A"
"\x00\0\0\xB2\x03\0\0",
20, line1, line2);
}
void ConvAutoTestCase::StreamUTF32BE()
{
TestTextStream("\0\0\xFE\xFF\0\0\x00\x61\0\0\x30\x42\0\0\x00\x0A"
"\0\0\x03\xB2",
20, line1, line2);
}
void ConvAutoTestCase::StreamFallback()
{
TestTextStream("\x61\xbf\x0A\xe0",
4, wxString::FromUTF8("a\xd0\x9f"), wxString::FromUTF8("\xd1\x80"),
wxFONTENCODING_ISO8859_5);
}
void ConvAutoTestCase::StreamFallbackMultibyte()
{
TestTextStream("\x61\x82\xa0\x0A\x83\xc0",
6, line1, line2, wxFONTENCODING_CP932);
}
#endif // wxUSE_UNICODE