libcxx/test/std/input.output/iostreams.base/ios.base/fmtflags.state/unsetf_mask.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 // <ios>
  10
  11 // class ios_base
  12
  13 // void unsetf(fmtflags mask);
  14
  15 #include <ios>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19
  20 class test
  21     : public std::ios
  22 {
  23 public:
  24     test()
  25     {
  26         init(0);
  27     }
  28 };
  29
  30 int main(int, char**)
  31 {
  32     test t;
  33     assert(t.flags() == (test::skipws | test::dec));
  34     t.unsetf(test::dec | test::right);
  35     assert(t.flags() == test::skipws);
  36
  37   return 0;
  38 }