727e8d842f
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60004 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
464 lines
13 KiB
C++
464 lines
13 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/strings/unicode.cpp
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// Purpose: Unicode unit test
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// Author: Vadim Zeitlin, Wlodzimierz ABX Skiba
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// Created: 2004-04-28
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// RCS-ID: $Id$
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// Copyright: (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif // WX_PRECOMP
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// helper class holding the matching MB and WC strings
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//
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// either str or wcs (but not both) may be NULL, this means that the conversion
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// to it should fail
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struct StringConversionData
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{
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StringConversionData(const char *str_, const wchar_t *wcs_, int flags_ = 0)
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: str(str_), wcs(wcs_), flags(flags_)
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{
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}
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const char * const str;
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const wchar_t * const wcs;
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enum
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{
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TEST_BOTH = 0, // test both str -> wcs and wcs -> str
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ONLY_MB2WC = 1 // only test str -> wcs conversion
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};
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const int flags;
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// test that the conversion between str and wcs (subject to flags) succeeds
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//
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// the first argument is the index in the test array and is used solely for
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// diagnostics
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void Test(size_t n, wxMBConv& conv) const
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{
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if ( str )
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{
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wxWCharBuffer wbuf = conv.cMB2WC(str);
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if ( wcs )
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{
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CPPUNIT_ASSERT_MESSAGE
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(
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Message(n, "MB2WC failed"),
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wbuf.data()
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);
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CPPUNIT_ASSERT_MESSAGE
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(
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Message(n, "MB2WC", wbuf, wcs),
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wxStrcmp(wbuf, wcs) == 0
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);
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}
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else // conversion is supposed to fail
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{
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CPPUNIT_ASSERT_MESSAGE
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(
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Message(n, "MB2WC succeeded"),
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!wbuf.data()
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);
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}
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}
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if ( wcs && !(flags & ONLY_MB2WC) )
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{
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wxCharBuffer buf = conv.cWC2MB(wcs);
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if ( str )
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{
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CPPUNIT_ASSERT_MESSAGE
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(
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Message(n, "WC2MB failed"),
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buf.data()
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);
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CPPUNIT_ASSERT_MESSAGE
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(
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Message(n, "WC2MB", buf, str),
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strcmp(buf, str) == 0
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);
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}
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else
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{
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CPPUNIT_ASSERT_MESSAGE
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(
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Message(n, "WC2MB succeeded"),
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!buf.data()
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);
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}
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}
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}
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private:
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static std::string
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Message(size_t n, const wxString& msg)
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{
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return std::string(wxString::Format("#%lu: %s", (unsigned long)n, msg));
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}
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template <typename T>
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static std::string
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Message(size_t n,
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const char *func,
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const wxCharTypeBuffer<T>& actual,
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const T *expected)
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{
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return Message(n,
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wxString::Format("%s returned \"%s\", expected \"%s\"",
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func, actual.data(), expected));
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}
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};
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// ----------------------------------------------------------------------------
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// test class
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// ----------------------------------------------------------------------------
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class UnicodeTestCase : public CppUnit::TestCase
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{
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public:
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UnicodeTestCase();
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private:
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CPPUNIT_TEST_SUITE( UnicodeTestCase );
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CPPUNIT_TEST( ToFromAscii );
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CPPUNIT_TEST( ConstructorsWithConversion );
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CPPUNIT_TEST( ConversionEmpty );
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CPPUNIT_TEST( ConversionWithNULs );
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CPPUNIT_TEST( ConversionUTF7 );
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CPPUNIT_TEST( ConversionUTF8 );
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CPPUNIT_TEST( ConversionUTF16 );
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CPPUNIT_TEST( ConversionUTF32 );
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CPPUNIT_TEST( IsConvOk );
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#if wxUSE_UNICODE
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CPPUNIT_TEST( Iteration );
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#endif
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CPPUNIT_TEST_SUITE_END();
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void ToFromAscii();
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void ConstructorsWithConversion();
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void ConversionEmpty();
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void ConversionWithNULs();
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void ConversionUTF7();
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void ConversionUTF8();
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void ConversionUTF16();
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void ConversionUTF32();
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void IsConvOk();
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#if wxUSE_UNICODE
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void Iteration();
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#endif
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DECLARE_NO_COPY_CLASS(UnicodeTestCase)
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};
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// register in the unnamed registry so that these tests are run by default
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CPPUNIT_TEST_SUITE_REGISTRATION( UnicodeTestCase );
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// also include in it's own registry so that these tests can be run alone
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( UnicodeTestCase, "UnicodeTestCase" );
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UnicodeTestCase::UnicodeTestCase()
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{
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}
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void UnicodeTestCase::ToFromAscii()
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{
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#define TEST_TO_FROM_ASCII(txt) \
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{ \
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static const char *msg = txt; \
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wxString s = wxString::FromAscii(msg); \
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CPPUNIT_ASSERT( strcmp( s.ToAscii() , msg ) == 0 ); \
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}
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TEST_TO_FROM_ASCII( "Hello, world!" );
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TEST_TO_FROM_ASCII( "additional \" special \t test \\ component \n :-)" );
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}
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void UnicodeTestCase::ConstructorsWithConversion()
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{
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// the string "D<>j<EFBFBD>" in UTF-8 and wchar_t:
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const unsigned char utf8Buf[] = {0x44,0xC3,0xA9,0x6A,0xC3,0xA0,0};
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const unsigned char utf8subBuf[] = {0x44,0xC3,0xA9,0x6A,0}; // just "D<>j"
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const char *utf8 = (char *)utf8Buf;
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const char *utf8sub = (char *)utf8subBuf;
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wxString s1(utf8, wxConvUTF8);
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#if wxUSE_UNICODE
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const wchar_t wchar[] = {0x44,0xE9,0x6A,0xE0,0};
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CPPUNIT_ASSERT_EQUAL( wchar, s1 );
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wxString s2(wchar);
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CPPUNIT_ASSERT_EQUAL( wchar, s2 );
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CPPUNIT_ASSERT_EQUAL( wxString::FromUTF8(utf8), s2 );
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#else
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CPPUNIT_ASSERT_EQUAL( utf8, s1 );
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#endif
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wxString sub(utf8sub, wxConvUTF8); // "Dej" substring
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wxString s3(utf8, wxConvUTF8, 4);
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CPPUNIT_ASSERT_EQUAL( sub, s3 );
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#if wxUSE_UNICODE
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wxString s4(wchar, wxConvUTF8, 3);
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CPPUNIT_ASSERT_EQUAL( sub, s4 );
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// conversion should stop with failure at pos 35
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wxString s("\t[pl]open.format.Sformatuj dyskietk<74>=gfloppy %f", wxConvUTF8);
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CPPUNIT_ASSERT( s.empty() );
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#endif // wxUSE_UNICODE
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// test using Unicode strings together with char* strings (this must work
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// in ANSI mode as well, of course):
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wxString s5("ascii");
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CPPUNIT_ASSERT_EQUAL( "ascii", s5 );
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s5 += " value";
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CPPUNIT_ASSERT( strcmp(s5.mb_str(), "ascii value") == 0 );
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CPPUNIT_ASSERT_EQUAL( "ascii value", s5 );
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CPPUNIT_ASSERT( s5 != "SomethingElse" );
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}
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void UnicodeTestCase::ConversionEmpty()
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{
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size_t len;
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#if wxUSE_UNICODE
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wxConvLibc.cWC2MB(L"", 0, &len);
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#else // !wxUSE_UNICODE
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wxConvLibc.cMB2WC("", 0, &len);
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#endif // wxUSE_UNICODE/!wxUSE_UNICODE
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CPPUNIT_ASSERT_EQUAL( 0, len );
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}
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void UnicodeTestCase::ConversionWithNULs()
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{
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#if wxUSE_UNICODE
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static const size_t lenNulString = 10;
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wxString szTheString(L"The\0String", wxConvLibc, lenNulString);
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wxCharBuffer theBuffer = szTheString.mb_str();
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CPPUNIT_ASSERT( memcmp(theBuffer.data(), "The\0String",
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lenNulString + 1) == 0 );
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wxString szTheString2("The\0String", wxConvLocal, lenNulString);
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CPPUNIT_ASSERT_EQUAL( lenNulString, szTheString2.length() );
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CPPUNIT_ASSERT( wxTmemcmp(szTheString2.c_str(), L"The\0String",
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lenNulString + 1) == 0 );
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#else // !wxUSE_UNICODE
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wxString szTheString("TheString");
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szTheString.insert(3, 1, '\0');
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wxWCharBuffer theBuffer = szTheString.wc_str(wxConvLibc);
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CPPUNIT_ASSERT( memcmp(theBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
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wxString szLocalTheString("TheString");
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szLocalTheString.insert(3, 1, '\0');
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wxWCharBuffer theLocalBuffer = szLocalTheString.wc_str(wxConvLocal);
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CPPUNIT_ASSERT( memcmp(theLocalBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
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#endif // wxUSE_UNICODE/!wxUSE_UNICODE
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}
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void UnicodeTestCase::ConversionUTF7()
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{
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static const StringConversionData utf7data[] =
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{
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// normal fragments
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StringConversionData("+AKM-", L"\xa3"),
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StringConversionData("+AOk-t+AOk-", L"\xe9t\xe9"),
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// this one is an alternative valid encoding of the same string
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StringConversionData("+AOk-t+AOk", L"\xe9t\xe9",
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StringConversionData::ONLY_MB2WC),
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// some special cases
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StringConversionData("+-", L"+"),
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StringConversionData("+--", L"+-"),
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// the following are invalid UTF-7 sequences
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StringConversionData("\xa3", NULL),
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StringConversionData("+", NULL),
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StringConversionData("+~", NULL),
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StringConversionData("a+", NULL),
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};
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for ( size_t n = 0; n < WXSIZEOF(utf7data); n++ )
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{
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const StringConversionData& d = utf7data[n];
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// converting to/from UTF-7 using iconv() currently doesn't work
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// because of several problems:
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// - GetMBNulLen() doesn't return correct result (iconv converts L'\0'
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// to an incomplete and anyhow nonsensical "+AA" string)
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// - iconv refuses to convert "+-" (although it converts "+-\n" just
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// fine, go figure)
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//
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// I have no idea how to fix this so just disable the test for now
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#if 0
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d.Test(n, wxCSConv("utf-7"));
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#endif
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d.Test(n, wxConvUTF7);
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}
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}
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void UnicodeTestCase::ConversionUTF8()
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{
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static const StringConversionData utf8data[] =
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{
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#ifdef wxHAVE_U_ESCAPE
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StringConversionData("\xc2\xa3", L"\u00a3"),
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#endif
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StringConversionData("\xc2", NULL),
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};
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wxCSConv conv(_T("utf-8"));
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for ( size_t n = 0; n < WXSIZEOF(utf8data); n++ )
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{
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const StringConversionData& d = utf8data[n];
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d.Test(n, conv);
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d.Test(n, wxConvUTF8);
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}
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}
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void UnicodeTestCase::ConversionUTF16()
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{
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static const StringConversionData utf16data[] =
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{
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#ifdef wxHAVE_U_ESCAPE
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StringConversionData(
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"\x04\x1f\x04\x40\x04\x38\x04\x32\x04\x35\x04\x42\0\0",
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L"\u041f\u0440\u0438\u0432\u0435\u0442"),
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StringConversionData(
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"\x01\0\0b\x01\0\0a\x01\0\0r\0\0",
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L"\u0100b\u0100a\u0100r"),
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#endif
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StringConversionData("\0f\0o\0o\0\0", L"foo"),
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};
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wxCSConv conv(wxFONTENCODING_UTF16BE);
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for ( size_t n = 0; n < WXSIZEOF(utf16data); n++ )
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{
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const StringConversionData& d = utf16data[n];
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d.Test(n, conv);
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}
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// special case: this string has consecutive NULs inside it which don't
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// terminate the string, this exposed a bug in our conversion code which
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// got confused in this case
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size_t len;
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conv.cMB2WC("\x01\0\0B\0C" /* A macron BC */, 6, &len);
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CPPUNIT_ASSERT_EQUAL( 3, len );
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}
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void UnicodeTestCase::ConversionUTF32()
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{
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static const StringConversionData utf32data[] =
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{
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#ifdef wxHAVE_U_ESCAPE
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StringConversionData(
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"\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",
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L"\u041f\u0440\u0438\u0432\u0435\u0442"),
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#endif
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StringConversionData("\0\0\0f\0\0\0o\0\0\0o\0\0\0\0", L"foo"),
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};
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wxCSConv conv(wxFONTENCODING_UTF32BE);
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for ( size_t n = 0; n < WXSIZEOF(utf32data); n++ )
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{
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const StringConversionData& d = utf32data[n];
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d.Test(n, conv);
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}
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size_t len;
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conv.cMB2WC("\0\0\x01\0\0\0\0B\0\0\0C" /* A macron BC */, 12, &len);
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CPPUNIT_ASSERT_EQUAL( 3, len );
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}
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void UnicodeTestCase::IsConvOk()
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{
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CPPUNIT_ASSERT( wxCSConv(wxFONTENCODING_SYSTEM).IsOk() );
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CPPUNIT_ASSERT( wxCSConv("US-ASCII").IsOk() );
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CPPUNIT_ASSERT( wxCSConv("UTF-8").IsOk() );
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CPPUNIT_ASSERT( !wxCSConv("NoSuchConversion").IsOk() );
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#ifdef __WINDOWS__
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CPPUNIT_ASSERT( wxCSConv("WINDOWS-437").IsOk() );
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#endif
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}
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#if wxUSE_UNICODE
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void UnicodeTestCase::Iteration()
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{
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// "czech" in Czech ("cestina"):
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static const char *textUTF8 = "\304\215e\305\241tina";
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static const wchar_t textUTF16[] = {0x10D, 0x65, 0x161, 0x74, 0x69, 0x6E, 0x61, 0};
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wxString text(wxString::FromUTF8(textUTF8));
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CPPUNIT_ASSERT( wxStrcmp(text.wc_str(), textUTF16) == 0 );
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// verify the string was decoded correctly:
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{
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size_t idx = 0;
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for ( wxString::const_iterator i = text.begin(); i != text.end(); ++i, ++idx )
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{
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CPPUNIT_ASSERT( *i == textUTF16[idx] );
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}
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}
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// overwrite the string with something that is shorter in UTF-8:
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{
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for ( wxString::iterator i = text.begin(); i != text.end(); ++i )
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*i = 'x';
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}
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// restore the original text now:
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{
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wxString::iterator end1 = text.end();
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wxString::const_iterator end2 = text.end();
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size_t idx = 0;
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for ( wxString::iterator i = text.begin(); i != text.end(); ++i, ++idx )
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{
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*i = textUTF16[idx];
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CPPUNIT_ASSERT( end1 == text.end() );
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CPPUNIT_ASSERT( end2 == text.end() );
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}
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CPPUNIT_ASSERT( end1 == text.end() );
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CPPUNIT_ASSERT( end2 == text.end() );
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}
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// and verify it again:
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{
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size_t idx = 0;
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for ( wxString::const_iterator i = text.begin(); i != text.end(); ++i, ++idx )
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{
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CPPUNIT_ASSERT( *i == textUTF16[idx] );
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}
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}
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}
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#endif // wxUSE_UNICODE
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