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wxWidgets/tests/strings/strings.cpp

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///////////////////////////////////////////////////////////////////////////////
// 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( IndexedAccess );
CPPUNIT_TEST( BeforeAndAfter );
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();
void IndexedAccess();
void BeforeAndAfter();
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()
{
CPPUNIT_ASSERT_EQUAL( "", wxString('Z', 0) );
CPPUNIT_ASSERT_EQUAL( "Z", wxString('Z') );
CPPUNIT_ASSERT_EQUAL( "ZZZZ", wxString('Z', 4) );
CPPUNIT_ASSERT_EQUAL( "Hell", wxString("Hello", 4) );
CPPUNIT_ASSERT_EQUAL( "Hello", wxString("Hello", 5) );
#if wxUSE_UNICODE
CPPUNIT_ASSERT_EQUAL( L"", wxString(L'Z', 0) );
CPPUNIT_ASSERT_EQUAL( L"Z", wxString(L'Z') );
CPPUNIT_ASSERT_EQUAL( L"ZZZZ", wxString(L'Z', 4) );
CPPUNIT_ASSERT_EQUAL( L"Hell", wxString(L"Hello", 4) );
CPPUNIT_ASSERT_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, '!');
CPPUNIT_ASSERT_EQUAL( "really", wxString(start, end) );
// test if creating string from NULL C pointer works:
CPPUNIT_ASSERT_EQUAL( "", wxString((const char *)NULL) );
}
void StringTestCase::StaticConstructors()
{
CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("") );
CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("Hello", 0) );
CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromAscii("Hello", 4) );
CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello", 5) );
CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello") );
// FIXME: this doesn't work currently but should!
//CPPUNIT_ASSERT_EQUAL( 1, wxString::FromAscii("", 1).length() );
CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("") );
CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("Hello", 0) );
CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromUTF8("Hello", 4) );
CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello", 5) );
CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello") );
//CPPUNIT_ASSERT_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 ) \
CPPUNIT_ASSERT_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) );
CPPUNIT_ASSERT_EQUAL("world", rest);
#define TEST_ENDS_WITH(suffix, correct_rest, result) \
CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest)); \
if ( result ) \
CPPUNIT_ASSERT_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 ); \
CPPUNIT_ASSERT_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 );
TEST_WXREPLACE( "life", 4, "f", "", false, "lie", 3 );
#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();
CPPUNIT_ASSERT_EQUAL( _T("HELLO!"), s1u );
CPPUNIT_ASSERT_EQUAL( _T("hello!"), s1l );
wxString s2u, s2l;
s2u.MakeUpper();
s2l.MakeLower();
CPPUNIT_ASSERT_EQUAL( "", s2u );
CPPUNIT_ASSERT_EQUAL( "", s2l );
wxString s3("good bye");
CPPUNIT_ASSERT_EQUAL( "Good bye", s3.Capitalize() );
s3.MakeCapitalized();
CPPUNIT_ASSERT_EQUAL( "Good bye", s3 );
CPPUNIT_ASSERT_EQUAL( "Abc", wxString("ABC").Capitalize() );
CPPUNIT_ASSERT_EQUAL( "", wxString().Capitalize() );
}
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"));
CPPUNIT_ASSERT_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);
}
CPPUNIT_ASSERT_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<typename T> 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()) );
}
void StringTestCase::IndexedAccess()
{
wxString s("bar");
CPPUNIT_ASSERT_EQUAL( 'r', s[2] );
// this tests for a possible bug in UTF-8 based wxString implementation:
// the 3rd character of the underlying byte string is going to change, but
// the 3rd character of wxString should remain the same
s[0] = L'\u00e9';
CPPUNIT_ASSERT_EQUAL( 'r', s[2] );
}
void StringTestCase::BeforeAndAfter()
{
const wxString s(L"letter=\u00e9;\u00e7a=l\u00e0");
CPPUNIT_ASSERT_EQUAL( "letter", s.BeforeFirst('=') );
CPPUNIT_ASSERT_EQUAL( s, s.BeforeFirst('!') );
CPPUNIT_ASSERT_EQUAL( L"letter=\u00e9", s.BeforeFirst(';') );
CPPUNIT_ASSERT_EQUAL( L"letter=\u00e9;\u00e7a", s.BeforeLast('=') );
CPPUNIT_ASSERT_EQUAL( "", s.BeforeLast('!') );
CPPUNIT_ASSERT_EQUAL( L"letter=\u00e9", s.BeforeLast(';') );
CPPUNIT_ASSERT_EQUAL( L"\u00e9;\u00e7a=l\u00e0", s.AfterFirst('=') );
CPPUNIT_ASSERT_EQUAL( "", s.AfterFirst('!') );
CPPUNIT_ASSERT_EQUAL( L"\u00e7a=l\u00e0", s.AfterFirst(';') );
CPPUNIT_ASSERT_EQUAL( L"l\u00e0", s.AfterLast('=') );
CPPUNIT_ASSERT_EQUAL( s, s.AfterLast('!') );
CPPUNIT_ASSERT_EQUAL( L"\u00e7a=l\u00e0", s.AfterLast(';') );
}
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