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// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef GVISOR_TEST_UTIL_LOGGING_H_
#define GVISOR_TEST_UTIL_LOGGING_H_
#include <stddef.h>
namespace gvisor {
namespace testing {
void CheckFailure(const char* cond, size_t cond_size, const char* msg,
size_t msg_size, int errno_value);
// If cond is false, aborts the current process.
//
// This macro is async-signal-safe.
#define TEST_CHECK(cond) \
do { \
if (!(cond)) { \
::gvisor::testing::CheckFailure(#cond, sizeof(#cond) - 1, nullptr, \
0, 0); \
} \
} while (0)
// If cond is false, logs msg then aborts the current process.
//
// This macro is async-signal-safe.
#define TEST_CHECK_MSG(cond, msg) \
do { \
if (!(cond)) { \
::gvisor::testing::CheckFailure(#cond, sizeof(#cond) - 1, msg, \
sizeof(msg) - 1, 0); \
} \
} while (0)
// If cond is false, logs errno, then aborts the current process.
//
// This macro is async-signal-safe.
#define TEST_PCHECK(cond) \
do { \
if (!(cond)) { \
::gvisor::testing::CheckFailure(#cond, sizeof(#cond) - 1, nullptr, \
0, errno); \
} \
} while (0)
// If cond is false, logs msg and errno, then aborts the current process.
//
// This macro is async-signal-safe.
#define TEST_PCHECK_MSG(cond, msg) \
do { \
if (!(cond)) { \
::gvisor::testing::CheckFailure(#cond, sizeof(#cond) - 1, msg, \
sizeof(msg) - 1, errno); \
} \
} while (0)
// expr must return PosixErrorOr<T>. The current process is aborted if
// !PosixError<T>.ok().
//
// This macro is async-signal-safe.
#define TEST_CHECK_NO_ERRNO(expr) \
({ \
auto _expr_result = (expr); \
if (!_expr_result.ok()) { \
::gvisor::testing::CheckFailure( \
#expr, sizeof(#expr) - 1, nullptr, 0, \
_expr_result.error().errno_value()); \
} \
})
// expr must return PosixErrorOr<T>. The current process is aborted if
// !PosixError<T>.ok(). Otherwise, PosixErrorOr<T> value is returned.
//
// This macro is async-signal-safe.
#define TEST_CHECK_NO_ERRNO_AND_VALUE(expr) \
({ \
auto _expr_result = (expr); \
if (!_expr_result.ok()) { \
::gvisor::testing::CheckFailure( \
#expr, sizeof(#expr) - 1, nullptr, 0, \
_expr_result.error().errno_value()); \
} \
std::move(_expr_result).ValueOrDie(); \
})
// cond must be greater or equal than 0. Used to test result of syscalls.
//
// This macro is async-signal-safe.
#define TEST_CHECK_SUCCESS(cond) TEST_PCHECK((cond) >= 0)
// cond must be -1 and errno must match errno_value. Used to test errors from
// syscalls.
//
// This macro is async-signal-safe.
#define TEST_CHECK_ERRNO(cond, errno_value) \
do { \
TEST_PCHECK((cond) == -1); \
TEST_PCHECK_MSG(errno == (errno_value), #cond " expected " #errno_value); \
} while (0)
} // namespace testing
} // namespace gvisor
#endif // GVISOR_TEST_UTIL_LOGGING_H_
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