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1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <ios>
11 
12 // bool sync_with_stdio(bool sync = true);
13 
14 #include <ios>
15 #include <cassert>
16 
main()17 int main()
18 {
19     assert( std::ios_base::sync_with_stdio(false));
20     assert(!std::ios_base::sync_with_stdio(false));
21     assert(!std::ios_base::sync_with_stdio(true));
22     assert( std::ios_base::sync_with_stdio(true));
23     assert( std::ios_base::sync_with_stdio());
24     assert( std::ios_base::sync_with_stdio(false));
25     assert(!std::ios_base::sync_with_stdio());
26     assert( std::ios_base::sync_with_stdio());
27 }
28