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44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <fstream>
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// template <class charT, class traits = char_traits<charT> >
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// class basic_ifstream
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// explicit basic_ifstream(const string& s, ios_base::openmode mode = ios_base::in);
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#include <fstream>
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#include <cassert>
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#include "test_macros.h"
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int main(int, char**)
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{
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{
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std::ifstream fs(std::string("test.dat"));
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double x = 0;
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fs >> x;
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assert(x == 3.25);
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}
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// std::ifstream(const std::string&, std::ios_base::openmode) is tested in
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// test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
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// which creates writable files.
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{
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std::wifstream fs(std::string("test.dat"));
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double x = 0;
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fs >> x;
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assert(x == 3.25);
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}
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// std::wifstream(const std::string&, std::ios_base::openmode) is tested in
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// test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
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// which creates writable files.
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return 0;
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}
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