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wxWidgets/tests/strings/strings.cpp
Vadim Zeitlin db419f1f32 added test for Get/UngetWriteBuf() 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43686 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2006-11-27 15:03:24 +00:00

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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( 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( WriteBuf );
CPPUNIT_TEST_SUITE_END();
void String();
void PChar();
void Format();
void Constructors();
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 WriteBuf();
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()
{
#define TEST_CTOR(args, res) \
{ \
wxString s args ; \
CPPUNIT_ASSERT( s == res ); \
}
TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
TEST_CTOR((_T("Hello"), 4), _T("Hell"));
TEST_CTOR((_T("Hello"), 5), _T("Hello"));
static const wxChar *s = _T("?really!");
const wxChar *start = wxStrchr(s, _T('r'));
const wxChar *end = wxStrchr(s, _T('!'));
TEST_CTOR((start, end), _T("really"));
}
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 );
wxString rest;
#define TEST_STARTS_WITH(prefix, correct_rest, result) \
CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest)); \
if ( result ) \
CPPUNIT_ASSERT_EQUAL(wxString(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
#define TEST_ENDS_WITH(suffix, correct_rest, result) \
CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest)); \
if ( result ) \
CPPUNIT_ASSERT_EQUAL(wxString(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( s == result ); \
}
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 );
#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();
wxString s2u, s2l;
s2u.MakeUpper();
s2l.MakeLower();
CPPUNIT_ASSERT( s1u == _T("HELLO!") );
CPPUNIT_ASSERT( s1l == _T("hello!") );
CPPUNIT_ASSERT( s2u == wxEmptyString );
CPPUNIT_ASSERT( s2l == wxEmptyString );
#if !wxUSE_UNICODE
wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
if ( locRu.IsOk() )
{
// try upper casing 8bit strings
const wchar_t capital_ya[] = { 0x42f, 0 },
small_ya[] = { 0x44f, 0 };
wxString sUpper(wxConvLibc.cWC2MB(capital_ya)),
sLower(wxConvLibc.cWC2MB(small_ya));
CPPUNIT_ASSERT( sUpper.Lower() == sLower );
CPPUNIT_ASSERT( sLower.Upper() == sUpper );
}
#endif // !wxUSE_UNICODE
}
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 );
// 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, _T("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::WriteBuf()
{
wxString s;
wxStrcpy(wxStringBuffer(s, 10), _T("foo"));
CPPUNIT_ASSERT_EQUAL(_T('f'), s[0u]);
CPPUNIT_ASSERT_EQUAL(_T('o'), s[1]);
CPPUNIT_ASSERT_EQUAL(_T('o'), s[2]);
CPPUNIT_ASSERT_EQUAL(3u, s.length());
{
wxChar *p = s.GetWriteBuf(10);
wxStrcpy(p, _T("barrbaz"));
s.UngetWriteBuf(4);
CPPUNIT_ASSERT_EQUAL(_T('b'), s[0u]);
CPPUNIT_ASSERT_EQUAL(_T('a'), s[1]);
CPPUNIT_ASSERT_EQUAL(_T('r'), s[2]);
CPPUNIT_ASSERT_EQUAL(_T('r'), s[3]);
CPPUNIT_ASSERT_EQUAL(4u, s.length());
CPPUNIT_ASSERT_EQUAL( 0, wxStrcmp(_T("barr"), s) );
}
}
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