YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you 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.

//

// The following only applies to changes made to this file as part of YugaByte development.

//

// Portions Copyright (c) YugaByte, Inc.

//

// 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.

//

#include <string>

#include <gtest/gtest.h>

#include "yb/gutil/macros.h"

#include "yb/util/errno.h"

using std::string;

namespace yb {

TEST(OsUtilTest, TestErrnoToString) {

  int err = ENOENT;

  // Non-truncated result.

  ASSERT_EQ("No such file or directory", ErrnoToString(err));

  // Truncated because of a short buffer.

  char buf[2];

  ErrnoToCString(err, buf, arraysize(buf));

  ASSERT_EQ("N", string(buf));

  // Unknown error.

  string expected = "Unknown error";

  ASSERT_EQ(ErrnoToString(-1).compare(0, expected.length(), expected), 0);

  // Unknown error (truncated).

  ErrnoToCString(-1, buf, arraysize(buf));

  ASSERT_EQ("U", string(buf));

}

} // namespace yb