cxx/test/re/re.traits/transform.pass.cpp

43 lines
1.3 KiB
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// template <class charT> struct regex_traits;
// template <class ForwardIterator>
// string_type transform(ForwardIterator first, ForwardIterator last) const;
#include <regex>
#include <cassert>
#include "test_iterators.h"
int main()
{
{
std::regex_traits<char> t;
const char a[] = "a";
const char B[] = "B";
typedef forward_iterator<const char*> F;
assert(t.transform(F(a), F(a+1)) > t.transform(F(B), F(B+1)));
t.imbue(std::locale("cs_CZ.ISO8859-2"));
assert(t.transform(F(a), F(a+1)) < t.transform(F(B), F(B+1)));
}
{
std::regex_traits<wchar_t> t;
const wchar_t a[] = L"a";
const wchar_t B[] = L"B";
typedef forward_iterator<const wchar_t*> F;
assert(t.transform(F(a), F(a+1)) > t.transform(F(B), F(B+1)));
t.imbue(std::locale("cs_CZ.ISO8859-2"));
assert(t.transform(F(a), F(a+1)) < t.transform(F(B), F(B+1)));
}
}