// Copyright 2014 The Crashpad 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 CRASHPAD_TEST_MAC_MACH_ERRORS_H_
#define CRASHPAD_TEST_MAC_MACH_ERRORS_H_
#include <mach/mach.h>
#include <string>
namespace crashpad {
namespace test {
// This function formats messages in a similar way to the Mach error logging
// macros in base/apple/mach_logging.h. It exists to interoperate with Google
// Test assertions, which don’t interoperate with logging but can be streamed
// to.
//
// Where non-test code could do:
// MACH_CHECK(kr == KERN_SUCCESS, kr) << "vm_deallocate";
// Google Test-based test code can do:
// EXPECT_EQ(kr, KERN_SUCCESS) << MachErrorMessage(kr, "vm_deallocate");
//! \brief Formats a Mach error message.
//!
//! The returned string will combine the \a base string, if supplied, with a
//! textual and numeric description of the error.
//!
//! \param[in] mach_err The Mach error code, which may be a `kern_return_t` or
//! related type.
//! \param[in] base A string to prepend to the error description.
//!
//! \return A string of the format `"(os/kern) invalid address (1)"` if \a
//! mach_err has the value `KERN_INVALID_ADDRESS` on a system where this is
//! defined to be 1. If \a base is not empty, it will be prepended to this
//! string, separated by a colon.
std::string MachErrorMessage(mach_error_t mach_err,
const std::string& base = std::string());
} // namespace test
} // namespace crashpad
#endif // CRASHPAD_TEST_MAC_MACH_ERRORS_H_