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
12namespace LIBC_NAMESPACE {
13namespace testing {
14
15// A class to log to standard output in the context of hermetic tests.
16struct TestLogger {
17 constexpr TestLogger() = default;
18 template <typename T> TestLogger &operator<<(T);
19};
20
21// A global TestLogger instance to be used in tests.
22extern TestLogger tlog;
23
24} // namespace testing
25} // namespace LIBC_NAMESPACE
26
27#endif /* LLVM_LIBC_TEST_UNITTEST_TESTLOGGER_H */
28

source code of libc/test/UnitTest/TestLogger.h