46 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// FILE_DEPENDENCIES: test.dat10 11// <fstream>12 13// template <class charT, class traits = char_traits<charT> >14// class basic_ifstream15 16// void close();17 18#include <fstream>19#include <cassert>20 21#include "test_macros.h"22 23int main(int, char**)24{25 {26 std::ifstream fs;27 assert(!fs.is_open());28 fs.open("test.dat");29 assert(fs.is_open());30 fs.close();31 assert(!fs.is_open());32 }33#ifndef TEST_HAS_NO_WIDE_CHARACTERS34 {35 std::wifstream fs;36 assert(!fs.is_open());37 fs.open("test.dat");38 assert(fs.is_open());39 fs.close();40 assert(!fs.is_open());41 }42#endif43 44 return 0;45}46