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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
//
//===----------------------------------------------------------------------===//
// FILE_DEPENDENCIES: test.dat
// <fstream>
// template <class charT, class traits = char_traits<charT> >
// class basic_ifstream
// explicit basic_ifstream(const string& s, ios_base::openmode mode = ios_base::in);
// XFAIL: FROZEN-CXX03-HEADERS-FIXME
#include <fstream>
#include <cassert>
#include "test_macros.h"
#include "operator_hijacker.h"
int main(int, char**)
{
{
std::ifstream fs(std::string("test.dat"));
double x = 0;
fs >> x;
assert(x == 3.25);
}
{
std::basic_ifstream<char, operator_hijacker_char_traits<char> > fs(std::string("test.dat"));
std::basic_string<char, operator_hijacker_char_traits<char> > x;
fs >> x;
assert(x == "3.25");
}
// std::ifstream(const std::string&, std::ios_base::openmode) is tested in
// test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
// which creates writable files.
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
{
std::wifstream fs(std::string("test.dat"));
double x = 0;
fs >> x;
assert(x == 3.25);
}
{
std::basic_ifstream<wchar_t, operator_hijacker_char_traits<wchar_t> > fs(std::string("test.dat"));
std::basic_string<wchar_t, operator_hijacker_char_traits<wchar_t> > x;
fs >> x;
assert(x == L"3.25");
}
// std::wifstream(const std::string&, std::ios_base::openmode) is tested in
// test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
// which creates writable files.
#endif
return 0;
}
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