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-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <fstream>
10 
11 // template <class charT, class traits = char_traits<charT> >
12 // class basic_ifstream
13 
14 // explicit basic_ifstream(const char* s, ios_base::openmode mode = ios_base::in);
15 
16 #include <fstream>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
21 int main(int, char**)
22 {
23     {
24         std::ifstream fs("test.dat");
25         double x = 0;
26         fs >> x;
27         assert(x == 3.25);
28     }
29     // std::ifstream(const char*, std::ios_base::openmode) is tested in
30     // test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp
31     // which creates writable files.
32     {
33         std::wifstream fs("test.dat");
34         double x = 0;
35         fs >> x;
36         assert(x == 3.25);
37     }
38     // std::wifstream(const char*, std::ios_base::openmode) is tested in
39     // test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp
40     // which creates writable files.
41 
42   return 0;
43 }
44