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 // <system_error>
11 
12 // class error_condition
13 
14 // explicit operator bool() const;
15 
16 #include <system_error>
17 #include <string>
18 #include <cassert>
19 
20 int main()
21 {
22     {
23         const std::error_condition ec(6, std::generic_category());
24         assert(static_cast<bool>(ec));
25     }
26     {
27         const std::error_condition ec(0, std::generic_category());
28         assert(!static_cast<bool>(ec));
29     }
30 }
31