libcxx/test/std/utilities/template.bitset/includes.pass.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-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // test that <bitset> includes <string> and <iosfwd>
  10
  11 #include <bitset>
  12
  13 #include "test_macros.h"
  14
  15 template <class> void test_typedef() {}
  16
  17 int main(int, char**)
  18 {
  19   { // test for <string>
  20     std::string s; ((void)s);
  21   }
  22   { // test for <iosfwd>
  23     test_typedef<std::ios>();
  24     test_typedef<std::istream>();
  25     test_typedef<std::ostream>();
  26     test_typedef<std::iostream>();
  27   }
  28
  29   return 0;
  30 }