You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// UNSUPPORTED: c++98, c++03, c++11, c++14
|
|
// XFAIL: dylib-has-no-filesystem
|
|
|
|
// <fstream>
|
|
|
|
// template <class charT, class traits = char_traits<charT> >
|
|
// class basic_ifstream
|
|
|
|
// explicit basic_ifstream(const filesystem::path& s,
|
|
// ios_base::openmode mode = ios_base::in);
|
|
|
|
#include <fstream>
|
|
#include <filesystem>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
namespace fs = std::filesystem;
|
|
|
|
int main(int, char**) {
|
|
{
|
|
fs::path p;
|
|
static_assert(!std::is_convertible<fs::path, std::ifstream>::value,
|
|
"ctor should be explicit");
|
|
static_assert(std::is_constructible<std::ifstream, fs::path const&,
|
|
std::ios_base::openmode>::value,
|
|
"");
|
|
}
|
|
{
|
|
std::ifstream fs(fs::path("test.dat"));
|
|
double x = 0;
|
|
fs >> x;
|
|
assert(x == 3.25);
|
|
}
|
|
// std::ifstream(const fs::path&, std::ios_base::openmode) is tested in
|
|
// test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
|
|
// which creates writable files.
|
|
{
|
|
std::wifstream fs(fs::path("test.dat"));
|
|
double x = 0;
|
|
fs >> x;
|
|
assert(x == 3.25);
|
|
}
|
|
// std::wifstream(const fs::path&, std::ios_base::openmode) is tested in
|
|
// test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
|
|
// which creates writable files.
|
|
|
|
return 0;
|
|
}
|