libc/utils/testutils/FDReader.h

   1 //===-- FDReader.h ----------------------------------------------*- C++ -*-===//
   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 #ifndef LLVM_LIBC_UTILS_TESTUTILS_FDREADER_H
  10 #define LLVM_LIBC_UTILS_TESTUTILS_FDREADER_H
  11
  12 namespace __llvm_libc {
  13 namespace testutils {
  14
  15 class FDReader {
  16   int pipefd[2];
  17
  18 public:
  19   FDReader();
  20   ~FDReader();
  21
  22   int get_write_fd() { return pipefd[1]; }
  23   bool match_written(const char *);
  24 };
  25
  26 } // namespace testutils
  27 } // namespace __llvm_libc
  28
  29 #endif // LLVM_LIBC_UTILS_TESTUTILS_FDREADER_H