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 */ 30