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wx_wherigo/libs/wxWidgets-3.3.1/tests/strings/strings.cpp
2026-02-14 09:47:24 +01:00

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///////////////////////////////////////////////////////////////////////////////
// Name: tests/strings/strings.cpp
// Purpose: wxString unit test
// Author: Vadim Zeitlin, Wlodzimierz ABX Skiba
// Created: 2004-04-19
// Copyright: (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif // WX_PRECOMP
#include "wx/private/localeset.h"
#include <errno.h>
// ----------------------------------------------------------------------------
// tests
// ----------------------------------------------------------------------------
TEST_CASE("StringAssign", "[wxString]")
{
wxString a, b, c;
a.reserve (128);
b.reserve (128);
c.reserve (128);
for (int i = 0; i < 2; ++i)
{
a = wxT("Hello");
b = wxT(" world");
c = wxT("! How'ya doin'?");
a += b;
a += c;
c = wxT("Hello world! What's up?");
CHECK( c != a );
}
}
TEST_CASE("StringPChar", "[wxString]")
{
wxChar a [128];
wxChar b [128];
wxChar c [128];
for (int i = 0; i < 2; ++i)
{
wxStrcpy (a, wxT("Hello"));
wxStrcpy (b, wxT(" world"));
wxStrcpy (c, wxT("! How'ya doin'?"));
wxStrcat (a, b);
wxStrcat (a, c);
wxStrcpy (c, wxT("Hello world! What's up?"));
CHECK( wxStrcmp (c, a) != 0 );
}
}
TEST_CASE("StringFormat", "[wxString]")
{
wxString s1,s2;
s1.Printf(wxT("%03d"), 18);
CHECK( s1 == wxString::Format(wxT("%03d"), 18) );
s2.Printf(wxT("Number 18: %s\n"), s1.c_str());
CHECK( s2 == wxString::Format(wxT("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(wxT('Z'), len);
CHECK( wxString::Format(wxT("%s"), s.c_str()).length() == len );
}
// wxString::Format() should not modify errno
errno = 1234;
wxString::Format("abc %d %d", 1, 1);
CHECK( errno == 1234 );
// Positional parameters tests:
CHECK(wxString::Format(wxT("%2$s %1$s"), wxT("one"), wxT("two")) == "two one");
CHECK(wxString::Format("%1$s %1$s", "hello") == "hello hello");
CHECK(wxString::Format("%4$d %2$s %1$s %2$s %3$d", "hello", "world", 3, 4)
== "4 world hello world 3");
CHECK( wxString::Format("%1$o %1$d %1$x", 20) == "24 20 14" );
}
TEST_CASE("StringFormatUnicode", "[wxString]")
{
// For some completely mysterious reason, the test below sometimes crashes
// when run on GitHub Actions with MSVS 2019 in static debug build (see
// #25056), so skip it in this case.
#if defined(_MSC_VER) && defined(_DEBUG) && !defined(WXUSINGDLL)
#if _MSC_VER >= 1920 && _MSC_VER < 1930
if ( IsAutomaticTest() )
{
WARN("Skipping test in static debug build with MSVS 2019");
return;
}
#endif // MSVS 2019
#endif // _MSC_VER
#ifndef __WINDOWS__
// At least under FreeBSD vsnprintf(), used by wxString::Format(), doesn't
// work with Unicode strings unless a UTF-8 locale is used, so set it.
wxLocaleSetter loc("C.UTF-8");
#endif // !__WINDOWS__
wxString fmt = wxString::FromUTF8("Iestatī");
wxString s = wxString::Format(fmt, 1, 1);
wxString expected(fmt);
expected.Replace("%i", "1");
CHECK( s == expected );
// Repeat exactly the same after creating a wxLocale
// object, and ensure formatting Unicode strings still works.
wxLocale l(wxLANGUAGE_DEFAULT);
wxString s2 = wxString::Format(fmt, 1, 1);
wxString expected2(fmt);
expected2.Replace("%i", "1");
CHECK( s2 == expected2 );
}
TEST_CASE("StringConstructors", "[wxString]")
{
CHECK( wxString('Z', 0) == "" );
CHECK( wxString('Z') == "Z" );
CHECK( wxString('Z', 4) == "ZZZZ" );
CHECK( wxString("Hello", 4) == "Hell" );
CHECK( wxString("Hello", 5) == "Hello" );
CHECK( wxString(L'Z', 0) == L"" );
CHECK( wxString(L'Z') == L"Z" );
CHECK( wxString(L'Z', 4) == L"ZZZZ" );
CHECK( wxString(L"Hello", 4) == L"Hell" );
CHECK( wxString(L"Hello", 5) == L"Hello" );
CHECK( wxString(wxString(), 17).length() == 0 );
#if wxUSE_UNICODE_UTF8
// This string has 3 characters (<h>, <e'> and <l>), not 4 when using UTF-8
// locale!
if ( wxConvLibc.IsUTF8() )
{
wxString s3("h\xc3\xa9llo", 4);
CHECK( s3.length() == 3 );
CHECK( (char)s3[2] == 'l' );
}
#endif // wxUSE_UNICODE_UTF8
static const char *s = "?really!";
const char *start = wxStrchr(s, 'r');
const char *end = wxStrchr(s, '!');
CHECK( wxString(start, end) == "really" );
// test if creating string from null C pointer works:
CHECK( wxString((const char *)nullptr) == "" );
}
TEST_CASE("StringStaticConstructors", "[wxString]")
{
CHECK( wxString::FromAscii("") == "" );
CHECK( wxString::FromAscii("Hello", 0) == "" );
CHECK( wxString::FromAscii("Hello", 4) == "Hell" );
CHECK( wxString::FromAscii("Hello", 5) == "Hello" );
CHECK( wxString::FromAscii("Hello") == "Hello" );
// FIXME: this doesn't work currently but should!
//CHECK( wxString::FromAscii("", 1).length() == 1 );
CHECK( wxString::FromUTF8("") == "" );
CHECK( wxString::FromUTF8("Hello", 0) == "" );
CHECK( wxString::FromUTF8("Hello", 4) == "Hell" );
CHECK( wxString::FromUTF8("Hello", 5) == "Hello" );
CHECK( wxString::FromUTF8("Hello") == "Hello" );
CHECK( wxString::FromUTF8("h\xc3\xa9llo", 3).length() == 2 );
//CHECK( wxString::FromUTF8("", 1).length() == 1 );
}
TEST_CASE("StringExtraction", "[wxString]")
{
wxString s(wxT("Hello, world!"));
CHECK( wxStrcmp( s.c_str() , wxT("Hello, world!") ) == 0 );
CHECK( wxStrcmp( s.Left(5).c_str() , wxT("Hello") ) == 0 );
CHECK( wxStrcmp( s.Right(6).c_str() , wxT("world!") ) == 0 );
CHECK( wxStrcmp( s(3, 5).c_str() , wxT("lo, w") ) == 0 );
CHECK( wxStrcmp( s.Mid(3).c_str() , wxT("lo, world!") ) == 0 );
CHECK( wxStrcmp( s.substr(3, 5).c_str() , wxT("lo, w") ) == 0 );
CHECK( wxStrcmp( s.substr(3).c_str() , wxT("lo, world!") ) == 0 );
wxString strUnicode(wxString::FromUTF8("Oberfläche"));
CHECK( strUnicode.Mid(0, 10) == strUnicode );
CHECK( strUnicode.Mid(7, 2) == "ch" );
wxString rest;
#define TEST_STARTS_WITH(prefix, correct_rest, result) \
CHECK(s.StartsWith(prefix, &rest) == result); \
if ( result ) \
CHECK(rest == correct_rest)
TEST_STARTS_WITH( wxT("Hello"), wxT(", world!"), true );
TEST_STARTS_WITH( wxT("Hello, "), wxT("world!"), true );
TEST_STARTS_WITH( wxT("Hello, world!"), wxT(""), true );
TEST_STARTS_WITH( wxT("Hello, world!!!"), wxT(""), false );
TEST_STARTS_WITH( wxT(""), wxT("Hello, world!"), true );
TEST_STARTS_WITH( wxT("Goodbye"), wxT(""), false );
TEST_STARTS_WITH( wxT("Hi"), wxT(""), false );
#undef TEST_STARTS_WITH
rest = "Hello world";
CHECK( rest.StartsWith("Hello ", &rest) );
CHECK( rest == "world" );
#define TEST_ENDS_WITH(suffix, correct_rest, result) \
CHECK(s.EndsWith(suffix, &rest) == result); \
if ( result ) \
CHECK(rest == correct_rest)
TEST_ENDS_WITH( wxT(""), wxT("Hello, world!"), true );
TEST_ENDS_WITH( wxT("!"), wxT("Hello, world"), true );
TEST_ENDS_WITH( wxT(", world!"), wxT("Hello"), true );
TEST_ENDS_WITH( wxT("ello, world!"), wxT("H"), true );
TEST_ENDS_WITH( wxT("Hello, world!"), wxT(""), true );
TEST_ENDS_WITH( wxT("very long string"), wxT(""), false );
TEST_ENDS_WITH( wxT("?"), wxT(""), false );
TEST_ENDS_WITH( wxT("Hello, world"), wxT(""), false );
TEST_ENDS_WITH( wxT("Gello, world!"), wxT(""), false );
#undef TEST_ENDS_WITH
}
TEST_CASE("StringTrim", "[wxString]")
{
#define TEST_TRIM( str , dir , result ) \
CHECK( wxString(str).Trim(dir) == result )
TEST_TRIM( wxT(" Test "), true, wxT(" Test") );
TEST_TRIM( wxT(" "), true, wxT("") );
TEST_TRIM( wxT(" "), true, wxT("") );
TEST_TRIM( wxT(""), true, wxT("") );
TEST_TRIM( wxT(" Test "), false, wxT("Test ") );
TEST_TRIM( wxT(" "), false, wxT("") );
TEST_TRIM( wxT(" "), false, wxT("") );
TEST_TRIM( wxT(""), false, wxT("") );
#undef TEST_TRIM
}
TEST_CASE("StringFind", "[wxString]")
{
#define TEST_FIND( str , start , result ) \
CHECK( wxString(str).find(wxT("ell"), start) == result );
TEST_FIND( wxT("Well, hello world"), 0, 1 );
TEST_FIND( wxT("Well, hello world"), 6, 7 );
TEST_FIND( wxT("Well, hello world"), 9, wxString::npos );
#undef TEST_FIND
}
TEST_CASE("StringReplace", "[wxString]")
{
#define TEST_REPLACE( original , pos , len , replacement , result ) \
{ \
wxString s = original; \
s.replace( pos , len , replacement ); \
CHECK( s == result ); \
}
TEST_REPLACE( wxT("012-AWORD-XYZ"), 4, 5, wxT("BWORD"), wxT("012-BWORD-XYZ") );
TEST_REPLACE( wxT("increase"), 0, 2, wxT("de"), wxT("decrease") );
TEST_REPLACE( wxT("wxWindow"), 8, 0, wxT("s"), wxT("wxWindows") );
TEST_REPLACE( wxT("foobar"), 3, 0, wxT("-"), wxT("foo-bar") );
TEST_REPLACE( wxT("barfoo"), 0, 6, wxT("foobar"), wxT("foobar") );
#define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
{ \
wxString s(o,olen); \
s.replace( pos , len , replacement ); \
CHECK( s == wxString(r, rlen) ); \
}
TEST_NULLCHARREPLACE( wxT("null\0char"), 9, 5, 1, wxT("d"),
wxT("null\0dhar"), 9 );
#define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
{ \
wxString s(o,olen); \
s.Replace( olds, news, all ); \
CHECK( s == wxString(r, rlen) ); \
}
TEST_WXREPLACE( wxT("null\0char"), 9, wxT("c"), wxT("de"), true,
wxT("null\0dehar"), 10 );
TEST_WXREPLACE( wxT("null\0dehar"), 10, wxT("de"), wxT("c"), true,
wxT("null\0char"), 9 );
TEST_WXREPLACE( "life", 4, "f", "", false, "lie", 3 );
TEST_WXREPLACE( "life", 4, "f", "", true, "lie", 3 );
TEST_WXREPLACE( "life", 4, "fe", "ve", true, "live", 4 );
TEST_WXREPLACE( "xx", 2, "x", "yy", true, "yyyy", 4 );
TEST_WXREPLACE( "xxx", 3, "xx", "z", true, "zx", 2 );
#undef TEST_WXREPLACE
#undef TEST_NULLCHARREPLACE
#undef TEST_REPLACE
}
TEST_CASE("StringMatch", "[wxString]")
{
#define TEST_MATCH( s1 , s2 , result ) \
CHECK( wxString(s1).Matches(s2) == result )
TEST_MATCH( "foobar", "foo*", true );
TEST_MATCH( "foobar", "*oo*", true );
TEST_MATCH( "foobar", "*bar", true );
TEST_MATCH( "foobar", "??????", true );
TEST_MATCH( "foobar", "f??b*", true );
TEST_MATCH( "foobar", "f?b*", false );
TEST_MATCH( "foobar", "*goo*", false );
TEST_MATCH( "foobar", "*foo", false );
TEST_MATCH( "foobarfoo", "*foo", true );
TEST_MATCH( "", "*", true );
TEST_MATCH( "", "?", false );
#undef TEST_MATCH
}
TEST_CASE("StringCaseChanges", "[wxString]")
{
wxString s1(wxT("Hello!"));
wxString s1u(s1);
wxString s1l(s1);
s1u.MakeUpper();
s1l.MakeLower();
CHECK( s1u == wxT("HELLO!") );
CHECK( s1l == wxT("hello!") );
wxString s2u, s2l;
s2u.MakeUpper();
s2l.MakeLower();
CHECK( s2u == "" );
CHECK( s2l == "" );
wxString s3("good bye");
CHECK( s3.Capitalize() == "Good bye" );
s3.MakeCapitalized();
CHECK( s3 == "Good bye" );
CHECK( wxString("ABC").Capitalize() == "Abc" );
CHECK( wxString().Capitalize() == "" );
}
TEST_CASE("StringCompare", "[wxString]")
{
wxString s1 = wxT("AHH");
wxString eq = wxT("AHH");
wxString neq1 = wxT("HAH");
wxString neq2 = wxT("AH");
wxString neq3 = wxT("AHHH");
wxString neq4 = wxT("AhH");
CHECK( s1 == eq );
CHECK( s1 != neq1 );
CHECK( s1 != neq2 );
CHECK( s1 != neq3 );
CHECK( s1 != neq4 );
CHECK( s1 == wxT("AHH") );
CHECK( s1 != wxT("no") );
CHECK( s1 < wxT("AZ") );
CHECK( s1 <= wxT("AZ") );
CHECK( s1 <= wxT("AHH") );
CHECK( s1 > wxT("AA") );
CHECK( s1 >= wxT("AA") );
CHECK( s1 >= wxT("AHH") );
// test comparison with C strings in Unicode build (must work in ANSI as
// well, of course):
CHECK( s1 == "AHH" );
CHECK( s1 != "no" );
CHECK( s1 < "AZ" );
CHECK( s1 <= "AZ" );
CHECK( s1 <= "AHH" );
CHECK( s1 > "AA" );
CHECK( s1 >= "AA" );
CHECK( 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');
CHECK( s1 == eq );
CHECK( s1 != neq1 );
CHECK( s1 != neq2 );
CHECK( s1 != neq3 );
CHECK( s1 != neq4 );
CHECK( wxString("\n").Cmp(" ") < 0 );
CHECK( wxString("'").Cmp("!") > 0 );
CHECK( wxString("!").Cmp("z") < 0 );
}
TEST_CASE("StringCompareNoCase", "[wxString]")
{
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 CHECK_EQ_NO_CASE(s1, s2) CHECK( s1.CmpNoCase(s2) == 0)
#define CHECK_NEQ_NO_CASE(s1, s2) CHECK( s1.CmpNoCase(s2) != 0)
CHECK_EQ_NO_CASE( s1, eq );
CHECK_EQ_NO_CASE( s1, eq2 );
CHECK_EQ_NO_CASE( s1, eq3 );
CHECK_NEQ_NO_CASE( s1, neq );
CHECK_NEQ_NO_CASE( s1, neq2 );
CHECK_NEQ_NO_CASE( 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');
CHECK_EQ_NO_CASE( s1, eq );
CHECK_EQ_NO_CASE( s1, eq2 );
CHECK_EQ_NO_CASE( s1, eq3 );
CHECK_NEQ_NO_CASE( s1, neq );
CHECK_NEQ_NO_CASE( s1, neq2 );
CHECK_NEQ_NO_CASE( s1, neq3 );
CHECK( wxString("\n").CmpNoCase(" ") < 0 );
CHECK( wxString("'").CmpNoCase("!") > 0);
CHECK( wxString("!").Cmp("Z") < 0 );
}
TEST_CASE("StringContains", "[wxString]")
{
static const struct ContainsData
{
const wxChar *hay;
const wxChar *needle;
bool contains;
} containsData[] =
{
{ wxT(""), wxT(""), true },
{ wxT(""), wxT("foo"), false },
{ wxT("foo"), wxT(""), true },
{ wxT("foo"), wxT("f"), true },
{ wxT("foo"), wxT("o"), true },
{ wxT("foo"), wxT("oo"), true },
{ wxT("foo"), wxT("ooo"), false },
{ wxT("foo"), wxT("oooo"), false },
{ wxT("foo"), wxT("fooo"), false },
};
for ( size_t n = 0; n < WXSIZEOF(containsData); n++ )
{
const ContainsData& cd = containsData[n];
CHECK( wxString(cd.hay).Contains(cd.needle) == cd.contains );
}
}
// 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
Number_Int = 32 // only for int tests
};
wxGCC_WARNING_SUPPRESS(missing-field-initializers)
static const struct ToIntData
{
const wxChar *str;
wxLongLong_t value;
int flags;
int base;
int IValue() const { return value; }
unsigned int UIValue() const { return value; }
bool IsOk() const { return !(flags & Number_Invalid); }
} intData[] =
{
{ wxT("1"), 1, Number_Ok },
{ wxT("0"), 0, Number_Ok },
{ wxT("a"), 0, Number_Invalid },
{ wxT("12345"), 12345, Number_Ok },
{ wxT("--1"), 0, Number_Invalid },
{ wxT("-1"), -1, Number_Signed | Number_Int },
{ wxT("-1"), (wxLongLong_t)UINT_MAX, Number_Unsigned | Number_Int | Number_Invalid },
{ wxT("2147483647"), (wxLongLong_t)INT_MAX, Number_Int | Number_Signed },
{ wxT("2147483648"), (wxLongLong_t)INT_MAX, Number_Int | Number_Signed | Number_Invalid },
{ wxT("-2147483648"), (wxLongLong_t)INT_MIN, Number_Int | Number_Signed },
{ wxT("-2147483649"), (wxLongLong_t)INT_MIN, Number_Int | Number_Signed | Number_Invalid },
{ wxT("4294967295"), (wxLongLong_t)UINT_MAX, Number_Int | Number_Unsigned },
{ wxT("4294967296"), (wxLongLong_t)UINT_MAX, Number_Int | Number_Unsigned | Number_Invalid },
};
static const struct ToLongData
{
const wxChar *str;
wxLongLong_t value;
int flags;
int base;
long LValue() const { return value; }
unsigned long ULValue() const { return value; }
wxLongLong_t LLValue() const { return value; }
wxULongLong_t ULLValue() const { return (wxULongLong_t)value; }
bool IsOk() const { return !(flags & Number_Invalid); }
} longData[] =
{
{ wxT("1"), 1, Number_Ok },
{ wxT("0"), 0, Number_Ok },
{ wxT("a"), 0, Number_Invalid },
{ wxT("12345"), 12345, Number_Ok },
{ wxT("--1"), 0, Number_Invalid },
{ wxT("-1"), -1, Number_Signed | Number_Long },
// this is surprising but consistent with strtoul() behaviour
{ wxT("-1"), (wxLongLong_t)ULONG_MAX, Number_Unsigned | Number_Long },
// a couple of edge cases
{ wxT(" +1"), 1, Number_Ok },
{ wxT(" -1"), (wxLongLong_t)ULONG_MAX, Number_Unsigned | Number_Long },
// this must overflow, even with 64 bit long
{ wxT("922337203685477580711"), 0, Number_Invalid },
{ wxT("2147483648"), wxLL(2147483648), Number_LongLong },
{ wxT("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
{ wxT("9223372036854775808"),
(wxLongLong_t)wxULL(9223372036854775808),
Number_LongLong | Number_Unsigned },
// Base tests.
{ wxT("010"), 10, Number_Ok, 10 },
{ wxT("010"), 8, Number_Ok, 0 },
{ wxT("010"), 8, Number_Ok, 8 },
{ wxT("010"), 16, Number_Ok, 16 },
{ wxT("0010"), 10, Number_Ok, 10 },
{ wxT("0010"), 8, Number_Ok, 0 },
{ wxT("0010"), 8, Number_Ok, 8 },
{ wxT("0010"), 16, Number_Ok, 16 },
{ wxT("0x11"), 0, Number_Invalid, 10 },
{ wxT("0x11"), 17, Number_Ok, 0 },
{ wxT("0x11"), 0, Number_Invalid, 8 },
{ wxT("0x11"), 17, Number_Ok, 16 },
{
#if SIZEOF_LONG == 4
wxT("0xffffffff"),
#elif SIZEOF_LONG == 8
wxT("0xffffffffffffffff"),
#else
#error "Unknown sizeof(long)"
#endif
(wxLongLong_t)ULONG_MAX, Number_Unsigned, 0
},
};
wxGCC_WARNING_RESTORE(missing-field-initializers)
TEST_CASE("StringToInt", "[wxString]")
{
int i;
for (size_t n = 0; n < WXSIZEOF(intData); n++)
{
const ToIntData &id = intData[n];
if (id.flags & (Number_Unsigned))
continue;
CHECK(id.IsOk() == wxString(id.str).ToInt(&i, id.base));
if (id.IsOk())
CHECK( i == id.IValue() );
}
// special case: check that the output is not modified if the parsing
// failed completely
i = 17;
CHECK(!wxString("foo").ToInt(&i));
CHECK( i == 17 );
// also check that it is modified if we did parse something successfully in
// the beginning of the string
CHECK(!wxString("9 cats").ToInt(&i));
CHECK( i == 9 );
}
TEST_CASE("StringToUInt", "[wxString]")
{
unsigned int i;
for (size_t n = 0; n < WXSIZEOF(intData); n++)
{
const ToIntData &id = intData[n];
if (id.flags & (Number_Signed))
continue;
CHECK(id.IsOk() == wxString(id.str).ToUInt(&i, id.base));
if (id.IsOk())
CHECK( i == id.UIValue() );
}
// special case: check that the output is not modified if the parsing
// failed completely
i = 17;
CHECK(!wxString("foo").ToUInt(&i));
CHECK( i == 17 );
// also check that it is modified if we did parse something successfully in
// the beginning of the string
CHECK(!wxString("9 cats").ToUInt(&i));
CHECK( i == 9 );
}
TEST_CASE("StringToLong", "[wxString]")
{
long l;
for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
{
const ToLongData& ld = longData[n];
if ( ld.flags & (Number_LongLong | Number_Unsigned) )
continue;
INFO("Checking test case #" << (n + 1) << ": "
"\"" << wxString{ld.str} << "\" "
"(flags=" << ld.flags << ", base=" << ld.base << ")");
// NOTE: unless you're using some exotic locale, ToCLong and ToLong
// should behave the same for our test data set:
CHECK( ld.IsOk() == wxString(ld.str).ToCLong(&l, ld.base) );
if ( ld.IsOk() )
CHECK( l == ld.LValue() );
CHECK( ld.IsOk() == wxString(ld.str).ToLong(&l, ld.base) );
if ( ld.IsOk() )
CHECK( l == ld.LValue() );
}
// special case: check that the output is not modified if the parsing
// failed completely
l = 17;
CHECK( !wxString("foo").ToLong(&l) );
CHECK( l == 17 );
// also check that it is modified if we did parse something successfully in
// the beginning of the string
CHECK( !wxString("9 cats").ToLong(&l) );
CHECK( l == 9 );
}
TEST_CASE("StringToULong", "[wxString]")
{
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;
INFO("Checking test case #" << (n + 1) << ": "
"\"" << wxString{ld.str} << "\" "
"(flags=" << ld.flags << ", base=" << ld.base << ")");
// NOTE: unless you're using some exotic locale, ToCLong and ToLong
// should behave the same for our test data set:
CHECK( ld.IsOk() == wxString(ld.str).ToCULong(&ul, ld.base) );
if ( ld.IsOk() )
CHECK( ul == ld.ULValue() );
CHECK( ld.IsOk() == wxString(ld.str).ToULong(&ul, ld.base) );
if ( ld.IsOk() )
CHECK( ul == ld.ULValue() );
}
}
TEST_CASE("StringToLongLong", "[wxString]")
{
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;
CHECK( ld.IsOk() == wxString(ld.str).ToLongLong(&l, ld.base) );
if ( ld.IsOk() )
CHECK( l == ld.LLValue() );
}
}
TEST_CASE("StringToULongLong", "[wxString]")
{
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;
CHECK( ld.IsOk() == wxString(ld.str).ToULongLong(&ul, ld.base) );
if ( ld.IsOk() )
CHECK( ul == ld.ULLValue() );
}
}
TEST_CASE("StringToDouble", "[wxString]")
{
double d = 0.0;
static const struct ToDoubleData
{
const wxChar *str;
double value;
bool ok;
} doubleData[] =
{
{ wxT("1"), 1, true },
{ wxT("1.23"), 1.23, true },
{ wxT(".1"), .1, true },
{ wxT("1."), 1, true },
{ wxT("1.."), 0, false },
{ wxT("0"), 0, true },
{ wxT("a"), 0, false },
{ wxT("12345"), 12345, true },
{ wxT("-1"), -1, true },
{ wxT("--1"), 0, false },
{ wxT("-3E-5"), -3E-5, true },
{ wxT("-3E-abcde5"), 0, false },
{ wxT(" 1"), 1, true },
{ wxT(" .1"), .1, true },
{ wxT(" -1.2"), -1.2, true },
// printf can output + in a valid double/float string
{ wxT("+1"), 1, true },
{ wxT("+.1"), 0.1, true },
{ wxT("++1"), 0, false },
{ wxT("0X1.BC70A3D70A3D7p+6"), 111.11, true },
};
// test ToCDouble() first:
size_t n;
for ( n = 0; n < WXSIZEOF(doubleData); n++ )
{
const ToDoubleData& ld = doubleData[n];
CHECK( wxString(ld.str).ToCDouble(&d) == ld.ok );
if ( ld.ok )
CHECK( d == ld.value );
}
CHECK( wxString("inf").ToCDouble(&d) );
CHECK( std::isinf(d) );
CHECK( wxString("INFINITY").ToCDouble(&d) );
CHECK( std::isinf(d) );
CHECK( wxString("nan").ToCDouble(&d) );
CHECK( std::isnan(d) );
CHECK( wxString("NAN").ToCDouble(&d) );
CHECK( std::isnan(d) );
// test ToDouble() now:
// NOTE: for the test to be reliable, we need to set the locale explicitly
// so that we know the decimal point character to use
if (!wxLocale::IsAvailable(wxLANGUAGE_FRENCH))
return; // you should have french support installed to continue this test!
wxLocale locale;
// don't load default catalog, it may be unavailable:
CHECK( locale.Init(wxLANGUAGE_FRENCH, wxLOCALE_DONT_LOAD_DEFAULT) );
static const struct ToDoubleData doubleData2[] =
{
{ wxT("1"), 1, true },
{ wxT("1,23"), 1.23, true },
{ wxT(",1"), .1, true },
{ wxT("1,"), 1, true },
{ wxT("1,,"), 0, false },
{ wxT("0"), 0, true },
{ wxT("a"), 0, false },
{ wxT("12345"), 12345, true },
{ wxT("-1"), -1, true },
{ wxT("--1"), 0, false },
{ wxT("-3E-5"), -3E-5, true },
{ wxT("-3E-abcde5"), 0, false },
{ wxT(" 1"), 1, true },
{ wxT(" ,1"), .1, true },
// printf can output + in a valid double/float string
{ wxT("+1"), 1, true },
{ wxT("+,1"), 0.1, true },
{ wxT("++1"), 0, false },
{ wxT("0X1,BC70A3D70A3D7P+6"), 111.11, true },
};
for ( n = 0; n < WXSIZEOF(doubleData2); n++ )
{
const ToDoubleData& ld = doubleData2[n];
CHECK( wxString(ld.str).ToDouble(&d) == ld.ok );
if ( ld.ok )
CHECK( d == ld.value );
}
CHECK( wxString("inf").ToDouble(&d) );
CHECK( std::isinf(d) );
CHECK( wxString("INFINITY").ToDouble(&d) );
CHECK( std::isinf(d) );
CHECK( wxString("nan").ToDouble(&d) );
CHECK( std::isnan(d) );
CHECK( wxString("NAN").ToDouble(&d) );
CHECK( std::isnan(d) );
}
TEST_CASE("StringFromDouble", "[wxString]")
{
static const struct FromDoubleTestData
{
double value;
int prec;
const char *str;
} testData[] =
{
{ 1.23, -1, "1.23" },
#if defined(wxDEFAULT_MANTISSA_SIZE_3)
{ -3e-10, -1, "-3e-010" },
#else
{ -3e-10, -1, "-3e-10" },
#endif
{ -0.45678, -1, "-0.45678" },
{ 1.2345678, 0, "1" },
{ 1.2345678, 1, "1.2" },
{ 1.2345678, 2, "1.23" },
{ 1.2345678, 3, "1.235" },
};
for ( unsigned n = 0; n < WXSIZEOF(testData); n++ )
{
const FromDoubleTestData& td = testData[n];
CHECK( wxString::FromCDouble(td.value, td.prec) == td.str );
}
if ( !wxLocale::IsAvailable(wxLANGUAGE_FRENCH) )
return;
wxLocale locale;
CHECK( locale.Init(wxLANGUAGE_FRENCH, wxLOCALE_DONT_LOAD_DEFAULT) );
for ( unsigned m = 0; m < WXSIZEOF(testData); m++ )
{
const FromDoubleTestData& td = testData[m];
wxString str(td.str);
str.Replace(".", ",");
CHECK( wxString::FromDouble(td.value, td.prec) == str );
}
}
TEST_CASE("StringStringBuf", "[wxString]")
{
// check that buffer can be used to write into the string
wxString s;
wxStrcpy(wxStringBuffer(s, 10), wxT("foo"));
CHECK( s.length() == 3 );
CHECK(wxT('f') == s[0u]);
CHECK(wxT('o') == s[1]);
CHECK(wxT('o') == s[2]);
{
// also check that the buffer initially contains the original string
// contents
wxStringBuffer buf(s, 10);
CHECK( buf[0] == wxT('f') );
CHECK( buf[1] == wxT('o') );
CHECK( buf[2] == wxT('o') );
CHECK( buf[3] == wxT('\0') );
}
{
wxStringBufferLength buf(s, 10);
CHECK( buf[0] == wxT('f') );
CHECK( buf[1] == wxT('o') );
CHECK( buf[2] == wxT('o') );
CHECK( buf[3] == wxT('\0') );
// and check that it can be used to write only the specified number of
// characters to the string
wxStrcpy(buf, wxT("barrbaz"));
buf.SetLength(4);
}
CHECK( s.length() == 4 );
CHECK(wxT('b') == s[0u]);
CHECK(wxT('a') == s[1]);
CHECK(wxT('r') == s[2]);
CHECK(wxT('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) = '!';
}
TEST_CASE("StringUTF8Buf", "[wxString]")
{
// "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);
CHECK(s == textUTF16);
{
wxUTF8StringBufferLength buf(s, 20);
wxStrcpy(buf, textUTF8);
buf.SetLength(5);
}
CHECK(s == wxString(textUTF16, 0, 3));
}
template<typename T> bool CheckStr(const wxString& expected, T s)
{
return expected == wxString(s);
}
void 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");
// Using literal strings in ternary operator below results in these
// warnings, but they're unavoidable if we want such code to continue to
// compile at all, as it used to in pre-3.0 versions, so just suppress them.
wxGCC_WARNING_SUPPRESS(write-strings)
wxCLANG_WARNING_SUPPRESS(c++11-compat-deprecated-writable-strings)
const wchar_t *wcStr = L"foo";
CHECK( CheckStr(s, (cond ? s.c_str() : wcStr)) );
CHECK( CheckStr(s, (cond ? s.c_str() : L"foo")) );
CHECK( CheckStr(s, (cond ? wcStr : s.c_str())) );
CHECK( CheckStr(s, (cond ? L"foo" : s.c_str())) );
const char *mbStr = "foo";
CHECK( CheckStr(s, (cond ? s.c_str() : mbStr)) );
CHECK( CheckStr(s, (cond ? s.c_str() : "foo")) );
CHECK( CheckStr(s, (cond ? mbStr : s.c_str())) );
CHECK( CheckStr(s, (cond ? "foo" : s.c_str())) );
wxGCC_WARNING_RESTORE(write-strings)
wxCLANG_WARNING_RESTORE(c++11-compat-deprecated-writable-strings)
wxString empty("");
CHECK( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) );
CHECK( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) );
}
TEST_CASE("StringCStrDataTernaryOperator", "[wxString]")
{
DoCStrDataTernaryOperator(true);
DoCStrDataTernaryOperator(false);
}
TEST_CASE("StringCStrDataOperators", "[wxString]")
{
wxString s("hello");
CHECK( s.c_str()[0] == 'h' );
CHECK( s.c_str()[1] == 'e' );
// IMPORTANT: at least with the CRT coming with MSVC++ 2008 trying to access
// the final character results in an assert failure (with debug CRT)
//CHECK( s.c_str()[5] == '\0' );
CHECK( *s.c_str() == 'h' );
CHECK( *(s.c_str() + 2) == 'l' );
//CHECK( *(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); }
TEST_CASE("StringCStrDataImplicitConversion", "[wxString]")
{
wxString s("foo");
CHECK( CheckStrConstWChar(s, s.c_str()) );
CHECK( CheckStrConstChar(s, s.c_str()) );
#ifndef wxNO_IMPLICIT_WXSTRING_CONV_TO_PTR
CHECK( CheckStrConstWChar(s, s) );
#ifndef wxNO_UNSAFE_WXSTRING_CONV
CHECK( CheckStrConstChar(s, s) );
#endif
#endif
}
TEST_CASE("StringExplicitConversion", "[wxString]")
{
wxString s("foo");
CHECK( CheckStr(s, s.mb_str()) );
CHECK( CheckStrConstChar(s, s.mb_str()) );
CHECK( CheckStrChar(s, s.char_str()) );
CHECK( CheckStr(s, s.wc_str()) );
CHECK( CheckStrConstWChar(s, s.wc_str()) );
CHECK( CheckStrWChar(s, s.wchar_str()) );
}
TEST_CASE("StringIndexedAccess", "[wxString]")
{
wxString s("bar");
CHECK( (char)s[2] == 'r' );
// 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'\xe9';
CHECK( (char)s[2] == 'r' );
}
TEST_CASE("StringBeforeAndAfter", "[wxString]")
{
// Construct a string with 2 equal signs in it by concatenating its three
// parts: before the first "=", in between the two "="s and after the last
// one. This allows to avoid duplicating the string contents (which has to
// be different for Unicode and ANSI builds) in the tests below.
#define FIRST_PART L"letter"
#define MIDDLE_PART L"\xe9;\xe7a"
#define LAST_PART L"l\xe0"
const wxString s(FIRST_PART wxT("=") MIDDLE_PART wxT("=") LAST_PART);
wxString r;
CHECK( s.BeforeFirst('=', &r) == FIRST_PART );
CHECK( r == MIDDLE_PART wxT("=") LAST_PART );
CHECK( s.BeforeFirst('!', &r) == s );
CHECK( r == "" );
const wxString phrase("Two words apart");
r = phrase;
CHECK( r.BeforeFirst(' ', &r) == "Two" );
CHECK( r == "words apart" );
CHECK( s.BeforeLast('=', &r) == FIRST_PART wxT("=") MIDDLE_PART );
CHECK( r == LAST_PART );
CHECK( s.BeforeLast('!', &r) == "" );
CHECK( r == s );
r = phrase;
CHECK( r.BeforeLast(' ', &r) == "Two words" );
CHECK( r == "apart" );
CHECK( s.AfterFirst('=') == MIDDLE_PART wxT("=") LAST_PART );
CHECK( s.AfterFirst('!') == "" );
CHECK( s.AfterLast('=') == LAST_PART );
CHECK( s.AfterLast('!') == s );
#undef LAST_PART
#undef MIDDLE_PART
#undef FIRST_PART
}
TEST_CASE("StringScopedBuffers", "[wxString]")
{
// wxString relies on efficient buffers, verify they work as they should
const char *literal = "Hello World!";
// non-owned buffer points to the string passed to it
wxScopedCharBuffer sbuf = wxScopedCharBuffer::CreateNonOwned(literal);
CHECK( sbuf.data() == literal );
// a copy of scoped non-owned buffer still points to the same string
wxScopedCharBuffer sbuf2(sbuf);
CHECK( sbuf.data() == sbuf2.data() );
// but assigning it to wxCharBuffer makes a full copy
wxCharBuffer buf(sbuf);
CHECK( buf.data() != literal );
CHECK( buf.data() == std::string(literal) );
wxCharBuffer buf2 = sbuf;
CHECK( buf2.data() != literal );
CHECK( buf.data() == std::string(literal) );
// Check that extending the buffer keeps it NUL-terminated.
size_t len = 10;
wxCharBuffer buf3(len);
CHECK( buf3.data()[len] == '\0' );
wxCharBuffer buf4;
buf4.extend(len);
CHECK( buf4.data()[len] == '\0' );
wxCharBuffer buf5(5);
buf5.extend(len);
CHECK( buf5.data()[len] == '\0' );
}
TEST_CASE("StringSupplementaryUniChar", "[wxString]")
{
// Test wxString(wxUniChar ch, size_t nRepeat = 1),
// which is implemented upon assign(size_t n, wxUniChar ch).
{
wxString s(wxUniChar(0x12345));
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 2 );
CHECK( s[0].GetValue() == 0xD808 );
CHECK( s[1].GetValue() == 0xDF45 );
#else
CHECK( s.length() == 1 );
CHECK( s[0].GetValue() == 0x12345 );
#endif
}
// Test operator=(wxUniChar ch).
{
wxString s;
s = wxUniChar(0x23456);
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 2 );
CHECK( s[0].GetValue() == 0xD84D );
CHECK( s[1].GetValue() == 0xDC56 );
#else
CHECK( s.length() == 1 );
CHECK( s[0].GetValue() == 0x23456 );
#endif
}
// Test operator+=(wxUniChar ch).
{
wxString s = "A";
s += wxUniChar(0x34567);
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 3 );
CHECK( s[1].GetValue() == 0xD891 );
CHECK( s[2].GetValue() == 0xDD67 );
#else
CHECK( s.length() == 2 );
CHECK( s[1].GetValue() == 0x34567 );
#endif
}
// Test operator<<(wxUniChar ch),
// which is implemented upon append(size_t n, wxUniChar ch).
{
wxString s = "A";
s << wxUniChar(0x45678);
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 3 );
CHECK( s[1].GetValue() == 0xD8D5 );
CHECK( s[2].GetValue() == 0xDE78 );
#else
CHECK( s.length() == 2 );
CHECK( s[1].GetValue() == 0x45678 );
#endif
}
// Test insert(size_t nPos, size_t n, wxUniChar ch).
{
wxString s = L"\x3042\x208\x3059";
s.insert(1, 2, wxUniChar(0x12345));
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 7 );
CHECK( s[1].GetValue() == 0xD808 );
CHECK( s[2].GetValue() == 0xDF45 );
CHECK( s[3].GetValue() == 0xD808 );
CHECK( s[4].GetValue() == 0xDF45 );
#else
CHECK( s.length() == 5 );
CHECK( s[1].GetValue() == 0x12345 );
CHECK( s[2].GetValue() == 0x12345 );
#endif
}
// Test insert(iterator it, wxUniChar ch).
{
wxString s = L"\x3042\x208\x3059";
s.insert(s.begin() + 1, wxUniChar(0x23456));
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 5 );
CHECK( s[1].GetValue() == 0xD84D );
CHECK( s[2].GetValue() == 0xDC56 );
#else
CHECK( s.length() == 4 );
CHECK( s[1].GetValue() == 0x23456 );
#endif
}
// Test insert(iterator it, size_type n, wxUniChar ch).
{
wxString s = L"\x3042\x208\x3059";
s.insert(s.begin() + 1, 2, wxUniChar(0x34567));
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 7 );
CHECK( s[1].GetValue() == 0xD891 );
CHECK( s[2].GetValue() == 0xDD67 );
#else
CHECK( s.length() == 5 );
CHECK( s[1].GetValue() == 0x34567 );
#endif
}
// Test replace(size_t nStart, size_t nLen, size_t nCount, wxUniChar ch).
{
wxString s = L"\x3042\x208\x3059";
s.replace(1, 2, 2, wxUniChar(0x45678));
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 5 );
CHECK( s[1].GetValue() == 0xD8D5 );
CHECK( s[2].GetValue() == 0xDE78 );
CHECK( s[3].GetValue() == 0xD8D5 );
CHECK( s[4].GetValue() == 0xDE78 );
#else
CHECK( s.length() == 3 );
CHECK( s[1].GetValue() == 0x45678 );
CHECK( s[2].GetValue() == 0x45678 );
#endif
}
// Test replace(iterator first, iterator last, size_type n, wxUniChar ch).
{
wxString s = L"\x3042\x208\x3059";
s.replace(s.begin() + 1, s.end(), 2, wxUniChar(0x34567));
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 5 );
CHECK( s[1].GetValue() == 0xD891 );
CHECK( s[2].GetValue() == 0xDD67 );
CHECK( s[3].GetValue() == 0xD891 );
CHECK( s[4].GetValue() == 0xDD67 );
#else
CHECK( s.length() == 3 );
CHECK( s[1].GetValue() == 0x34567 );
CHECK( s[2].GetValue() == 0x34567 );
#endif
}
// Test find(wxUniChar ch, size_t nStart = 0)
// and rfind(wxUniChar ch, size_t nStart = npos).
{
wxString s = L"\x308\x2063";
s << wxUniChar(0x12345);
s << "x";
s += wxUniChar(0x12345);
s += "y";
#if wxUSE_UNICODE_UTF16
CHECK( s.length() == 8 );
CHECK( s.find(wxUniChar(0x12345)) == 2 );
CHECK( s.find(wxUniChar(0x12345), 3) == 5 );
CHECK( s.rfind(wxUniChar(0x12345)) == 5 );
CHECK( s.rfind(wxUniChar(0x12345), 4) == 2 );
#else
CHECK( s.length() == 6 );
CHECK( s.find(wxUniChar(0x12345)) == 2 );
CHECK( s.find(wxUniChar(0x12345), 3) == 4 );
CHECK( s.rfind(wxUniChar(0x12345)) == 4 );
CHECK( s.rfind(wxUniChar(0x12345), 3) == 2 );
#endif
}
/* Not tested here:
find_first_of, find_last_of, find_first_not_of, find_last_not_of
*/
}