libc/test/UnitTest/TestLogger.h

   1 //===-- Utilities to log to standard output during tests --------*- 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_TEST_UNITTEST_TESTLOGGER_H
  10 #define LLVM_LIBC_TEST_UNITTEST_TESTLOGGER_H
  11
  12 #include "src/__support/macros/config.h"
  13
  14 namespace LIBC_NAMESPACE_DECL {
  15 namespace testing {
  16
  17 // A class to log to standard output in the context of hermetic tests.
  18 struct TestLogger {
  19   constexpr TestLogger() = default;
  20   template <typename T> TestLogger &operator<<(T);
  21 };
  22
  23 // A global TestLogger instance to be used in tests.
  24 extern TestLogger tlog;
  25
  26 } // namespace testing
  27 } // namespace LIBC_NAMESPACE_DECL
  28
  29 #endif /* LLVM_LIBC_TEST_UNITTEST_TESTLOGGER_H */