src/kudu/util/status-test.cc

// Copyright 2013 Cloudera, 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.
//
// Some portions Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.

#include <glog/logging.h>
#include <gtest/gtest.h>

#include <errno.h>
#include <vector>
#include "kudu/util/status.h"

using std::string;

namespace kudu {

TEST(StatusTest, TestPosixCode) {
  Status ok = Status::OK();
  ASSERT_EQ(0, ok.posix_code());
  Status file_error = Status::IOError("file error", Slice(), ENOTDIR);
  ASSERT_EQ(ENOTDIR, file_error.posix_code());
}

TEST(StatusTest, TestToString) {
  Status file_error = Status::IOError("file error", Slice(), ENOTDIR);
  ASSERT_EQ(string("IO error: file error (error 20)"), file_error.ToString());
}

TEST(StatusTest, TestClonePrepend) {
  Status file_error = Status::IOError("file error", "msg2", ENOTDIR);
  Status appended = file_error.CloneAndPrepend("Heading");
  ASSERT_EQ(string("IO error: Heading: file error: msg2 (error 20)"), appended.ToString());
}

TEST(StatusTest, TestCloneAppend) {
  Status remote_error = Status::RemoteError("Application error");
  Status appended = remote_error.CloneAndAppend(Status::NotFound("Unknown tablet").ToString());
  ASSERT_EQ(string("Remote error: Application error: Not found: Unknown tablet"),
            appended.ToString());
}

TEST(StatusTest, TestMemoryUsage) {
  ASSERT_EQ(0, Status::OK().memory_footprint_excluding_this());
  ASSERT_GT(Status::IOError(
      "file error", "some other thing", ENOTDIR).memory_footprint_excluding_this(), 0);
}

}  // namespace kudu