//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <locale>
// class num_get<charT, InputIterator>
// iter_type get(iter_type in, iter_type end, ios_base&,
// ios_base::iostate& err, unsigned int& v) const;
#include <locale>
#include <ios>
#include <cassert>
#include <streambuf>
#include "test_macros.h"
#include "test_iterators.h"
typedef std::num_get<char, cpp17_input_iterator<const char*> > F;
class my_facet
: public F
{
public:
explicit my_facet(std::size_t refs = 0)
: F(refs) {}
};
class my_numpunct
: public std::numpunct<char>
{
public:
my_numpunct() : std::numpunct<char>() {}
protected:
virtual char_type do_thousands_sep() const {return '_';}
virtual std::string do_grouping() const {return std::string("\1\2\3");}
};
int main(int, char**)
{
const my_facet f(1);
std::ios ios(0);
unsigned int v = static_cast<unsigned int>(-1);
{
const char str[] = "0";
std::ios_base::iostate err = ios.goodbit;
cpp17_input_iterator<const char*> iter =
f.get(cpp17_input_iterator<const char*>(str),
cpp17_input_iterator<const char*>(str+sizeof(str)),
ios, err, v);
assert(base(iter) == str+sizeof(str)-1);
assert(err == ios.goodbit);
assert(v == 0);
}
{
const char str[] = "1";
std::ios_base::iostate err = ios.goodbit;
cpp17_input_iterator<const char*> iter =
f.get(cpp17_input_iterator<const char*>(str),
cpp17_input_iterator<const char*>(str+sizeof(str)),
ios, err, v);
assert(base(iter) == str+sizeof(str)-1);
assert(err == ios.goodbit);
assert(v == 1);
}
std::hex(ios);
{
const char str[] = "0xFFFFFFFF";
std::ios_base::iostate err = ios.goodbit;
cpp17_input_iterator<const char*> iter =
f.get(cpp17_input_iterator<const char*>(str),
cpp17_input_iterator<const char*>(str+sizeof(str)),
ios, err, v);
assert(base(iter) == str+sizeof(str)-1);
assert(err == ios.goodbit);
assert(v == 0xFFFFFFFF);
}
return 0;
}