wxWidgets/tests/strings/crt.cpp

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///////////////////////////////////////////////////////////////////////////////
// Name: tests/strings/crt.cpp
// Purpose: Test for wx C runtime functions wrappers
// Author: Vaclav Slavik
// Created: 2004-06-03
// Copyright: (c) 2004 Vaclav Slavik
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif // WX_PRECOMP
#include "wx/textfile.h"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
static const char *strMB = "hello, world";
static const wchar_t *strWC = L"hello, world";
static const wxString strWX("hello, world");
// ----------------------------------------------------------------------------
// tests
// ----------------------------------------------------------------------------
TEST_CASE("CRT::SetGetEnv", "[crt][getenv][setenv]")
{
#define TESTVAR_NAME wxT("WXTESTVAR")
wxString val;
wxSetEnv(TESTVAR_NAME, wxT("value"));
CHECK( wxGetEnv(TESTVAR_NAME, &val) );
CHECK( val == "value" );
CHECK( wxString(wxGetenv(TESTVAR_NAME)) == "value" );
wxSetEnv(TESTVAR_NAME, wxT("something else"));
CHECK( wxGetEnv(TESTVAR_NAME, &val) );
CHECK( val == "something else" );
CHECK( wxString(wxGetenv(TESTVAR_NAME)) == "something else" );
CHECK( wxUnsetEnv(TESTVAR_NAME) );
CHECK( !wxGetEnv(TESTVAR_NAME, NULL) );
CHECK( !wxGetenv(TESTVAR_NAME) );
#undef TESTVAR_NAME
}
#if wxUSE_UNICODE
TEST_CASE("CRT::Strchr", "[crt][strchr]")
{
// test that searching for a wide character in a narrow string simply
// doesn't find it but doesn't fail with an assert (#11487)
const wxUniChar smiley = *wxString::FromUTF8("\xe2\x98\xba").begin();
CHECK( !wxStrchr("hello", smiley) );
// but searching for an explicitly wide character does find it
CHECK( wxStrchr(wxString::FromUTF8(":-) == \xe2\x98\xba"),
static_cast<wchar_t>(smiley)) );
}
#endif // wxUSE_UNICODE
TEST_CASE("CRT::Strcmp", "[crt][strcmp]")
{
// this code tests if all possible ways of calling wxStrcmp() compile:
const char * const char1 = "first";
const wchar_t * const wchar1 = L"first";
wxString str1("first");
wxCStrData cstr1(str1.c_str());
wxCharBuffer charbuf1(char1);
wxWCharBuffer wcharbuf1(wchar1);
const char * const char2 = "last";
const wchar_t * const wchar2 = L"last";
wxString str2("last");
wxCStrData cstr2(str2.c_str());
wxCharBuffer charbuf2(char2);
wxWCharBuffer wcharbuf2(wchar2);
CHECK( wxStrcmp(char1, char2) < 0 );
CHECK( wxStrcmp(char1, wchar2) < 0 );
CHECK( wxStrcmp(char1, str2) < 0 );
CHECK( wxStrcmp(char1, cstr2) < 0 );
CHECK( wxStrcmp(char1, charbuf2) < 0 );
CHECK( wxStrcmp(char1, wcharbuf2) < 0 );
CHECK( wxStrcmp(wchar1, char2) < 0 );
CHECK( wxStrcmp(wchar1, wchar2) < 0 );
CHECK( wxStrcmp(wchar1, str2) < 0 );
CHECK( wxStrcmp(wchar1, cstr2) < 0 );
CHECK( wxStrcmp(wchar1, charbuf2) < 0 );
CHECK( wxStrcmp(wchar1, wcharbuf2) < 0 );
CHECK( wxStrcmp(str1, char2) < 0 );
CHECK( wxStrcmp(str1, wchar2) < 0 );
CHECK( wxStrcmp(str1, str2) < 0 );
CHECK( wxStrcmp(str1, cstr2) < 0 );
CHECK( wxStrcmp(str1, charbuf2) < 0 );
CHECK( wxStrcmp(str1, wcharbuf2) < 0 );
CHECK( wxStrcmp(cstr1, char2) < 0 );
CHECK( wxStrcmp(cstr1, wchar2) < 0 );
CHECK( wxStrcmp(cstr1, str2) < 0 );
CHECK( wxStrcmp(cstr1, cstr2) < 0 );
CHECK( wxStrcmp(cstr1, charbuf2) < 0 );
CHECK( wxStrcmp(cstr1, wcharbuf2) < 0 );
CHECK( wxStrcmp(charbuf1, char2) < 0 );
CHECK( wxStrcmp(charbuf1, wchar2) < 0 );
CHECK( wxStrcmp(charbuf1, str2) < 0 );
CHECK( wxStrcmp(charbuf1, cstr2) < 0 );
CHECK( wxStrcmp(charbuf1, charbuf2) < 0 );
CHECK( wxStrcmp(charbuf1, wcharbuf2) < 0 );
CHECK( wxStrcmp(wcharbuf1, char2) < 0 );
CHECK( wxStrcmp(wcharbuf1, wchar2) < 0 );
CHECK( wxStrcmp(wcharbuf1, str2) < 0 );
CHECK( wxStrcmp(wcharbuf1, cstr2) < 0 );
CHECK( wxStrcmp(wcharbuf1, charbuf2) < 0 );
CHECK( wxStrcmp(wcharbuf1, wcharbuf2) < 0 );
}
TEST_CASE("CRT::Strspn", "[crt][strspn]")
{
CHECK( wxStrspn(strMB, "xyz") == 0 );
CHECK( wxStrspn(strWC, "xyz") == 0 );
CHECK( wxStrspn(strWX, "xyz") == 0 );
CHECK( wxStrspn(strMB, L"xyz") == 0 );
CHECK( wxStrspn(strWC, L"xyz") == 0 );
CHECK( wxStrspn(strWX, L"xyz") == 0 );
CHECK( wxStrspn(strMB, "hleo") == 5 );
CHECK( wxStrspn(strWC, "hleo") == 5 );
CHECK( wxStrspn(strWX, "hleo") == 5 );
CHECK( wxStrspn(strMB, "ld") == 0 );
CHECK( wxStrspn(strWC, "ld") == 0 );
CHECK( wxStrspn(strWX, "ld") == 0 );
CHECK( wxStrspn(strMB, strWC) == strWX.length() );
CHECK( wxStrspn(strWC, strWX) == strWX.length() );
CHECK( wxStrspn(strWX, strMB) == strWX.length() );
}
TEST_CASE("CRT::Strcspn", "[crt][strcspn]")
{
CHECK( wxStrcspn(strMB, strWX) == 0 );
CHECK( wxStrcspn(strWC, strMB) == 0 );
CHECK( wxStrcspn(strWX, strWC) == 0 );
CHECK( wxStrcspn(strMB, ", ") == 5 );
CHECK( wxStrcspn(strWC, ", ") == 5 );
CHECK( wxStrcspn(strWX, ", ") == 5 );
CHECK( wxStrcspn(strMB, "hel") == 0 );
CHECK( wxStrcspn(strWC, "hel") == 0 );
CHECK( wxStrcspn(strWX, "hel") == 0 );
CHECK( wxStrcspn(strMB, "xy") == strWX.length() );
CHECK( wxStrcspn(strWC, "xy") == strWX.length() );
CHECK( wxStrcspn(strWX, "xy") == strWX.length() );
}
TEST_CASE("CRT::Strpbrk", "[crt][strpbrk]")
{
const wxString s(", ");
CHECK( *wxStrpbrk(strMB, ", ") == ',' );
CHECK( *wxStrpbrk(strWC, L", ") == L',' );
CHECK( *wxStrpbrk(strWX, ", ") == ',' );
CHECK( *wxStrpbrk(strWX, L", ") == L',' );
CHECK( *wxStrpbrk(strMB, s) == ',' );
CHECK( *wxStrpbrk(strWC, s) == L',' );
CHECK( *wxStrpbrk(strWX, s) == ',' );
CHECK( *wxStrpbrk(strWX.c_str(), s) == ',' );
CHECK( *wxStrpbrk(strMB, s.c_str()) == ',' );
CHECK( *wxStrpbrk(strWC, s.c_str()) == L',' );
CHECK( *wxStrpbrk(strWX, s.c_str()) == ',' );
CHECK( *wxStrpbrk(strWX.c_str(), s.c_str()) == ',' );
CHECK( *wxStrpbrk(strMB, s.mb_str()) == ',' );
CHECK( *wxStrpbrk(strWC, s.wc_str()) == L',' );
CHECK( *wxStrpbrk(strWX, s.mb_str()) == ',' );
CHECK( *wxStrpbrk(strWX, s.wc_str()) == L',' );
CHECK( *wxStrpbrk(strWX.c_str(), s.mb_str()) == ',' );
CHECK( *wxStrpbrk(strWX.c_str(), s.wc_str()) == L',' );
CHECK( !wxStrpbrk(strWX, "xyz") );
CHECK( !wxStrpbrk(strWX.c_str(), L"xyz") );
}
TEST_CASE("CRT::Strnlen", "[crt][strnlen]")
{
// other misc tests for wxStrnlen(const char*, size_t)
CHECK( wxStrnlen("", 0) == 0 );
CHECK( wxStrnlen("", 8) == 0 );
CHECK( wxStrnlen("1234", 0) == 0 );
CHECK( wxStrnlen("1234", 2) == 2 );
CHECK( wxStrnlen("1234", 8) == 4 );
CHECK( wxStrnlen("1234567", 8) == 7 );
CHECK( wxStrnlen("12345678", 8) == 8 );
CHECK( wxStrnlen("123456789", 8) == 8 );
CHECK( wxStrnlen("123456789", 12) == 9 );
// other misc tests for wxStrnlen(const wchar_t*, size_t)
CHECK( wxStrnlen(L"", 0) == 0 );
CHECK( wxStrnlen(L"", 8) == 0 );
CHECK( wxStrnlen(L"1234", 0) == 0 );
CHECK( wxStrnlen(L"1234", 2) == 2 );
CHECK( wxStrnlen(L"1234", 8) == 4 );
CHECK( wxStrnlen(L"1234567", 8) == 7 );
CHECK( wxStrnlen(L"12345678", 8) == 8 );
CHECK( wxStrnlen(L"123456789", 8) == 8 );
CHECK( wxStrnlen(L"123456789", 12) == 9 );
// wxStrlen() is only for NULL-terminated strings:
CHECK( wxStrnlen("1234" "\0" "78", 12) == 4 );
CHECK( wxStrnlen(L"1234" L"\0" L"5678", 12) == 4 );
}
TEST_CASE("CRT::Strtox", "[crt][strtod][strtol]")
{
const wxString s = "123@";
const double d = 123.0;
const long l = 123;
SECTION("char")
{
char* end = NULL;
CHECK( wxStrtod(s, &end) == d );
REQUIRE( end );
CHECK( *end == '@' );
CHECK( wxStrtol(s, &end, 10) == l );
REQUIRE( end );
CHECK( *end == '@' );
}
SECTION("wchar_t")
{
wchar_t* end = NULL;
CHECK( wxStrtod(s, &end) == d );
REQUIRE( end );
CHECK( *end == L'@' );
CHECK( wxStrtol(s, &end, 10) == l );
REQUIRE( end );
CHECK( *end == L'@' );
}
SECTION("other")
{
CHECK( wxStrtod(s, 0) == d );
#ifdef wxHAS_NULLPTR_T
CHECK( wxStrtod(s, nullptr) == d );
CHECK( wxStrtol(s, nullptr, 10) == l );
#endif
}
}