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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// REQUIRES: has-unix-headers
// UNSUPPORTED: libcpp-hardening-mode=none
// XFAIL: libcpp-hardening-mode=debug && availability-verbose_abort-missing
// <streambuf>
// template <class charT, class traits = char_traits<charT> >
// class basic_streambuf;
// void setg(char_type* gbeg, char_type* gnext, char_type* gend);
#include <algorithm>
#include <iterator>
#include <streambuf>
#include <string>
#include "check_assertion.h"
#include "make_string.h"
#include "test_macros.h"
template <class CharT>
struct streambuf : public std::basic_streambuf<CharT> {
typedef std::basic_streambuf<CharT> base;
streambuf() {}
void setg(CharT* gbeg, CharT* gnext, CharT* gend) { base::setg(gbeg, gnext, gend); }
};
template <class CharT>
void test() {
std::basic_string<CharT> str = MAKE_STRING(CharT, "ABCDEF");
CharT arr[6];
std::copy(str.begin(), str.end(), arr);
{
streambuf<CharT> buff;
TEST_LIBCPP_ASSERT_FAILURE(
buff.setg(std::begin(arr) + 1, std::begin(arr), std::end(arr)), "[gbeg, gnext) must be a valid range");
}
{
streambuf<CharT> buff;
TEST_LIBCPP_ASSERT_FAILURE(
buff.setg(std::begin(arr) + 1, std::begin(arr) + 1, std::begin(arr)), "[gbeg, gend) must be a valid range");
}
{
streambuf<CharT> buff;
TEST_LIBCPP_ASSERT_FAILURE(
buff.setg(std::begin(arr), std::begin(arr) + 3, std::begin(arr) + 2), "[gnext, gend) must be a valid range");
}
}
int main(int, char**) {
test<char>();
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test<wchar_t>();
#endif
return 0;
}
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