hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/tests/x-platform/syscall_common_test.cc

/**
 * 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.
 */

#include <gtest/gtest.h>

#include <numeric>
#include <string>
#include <vector>

#include "x-platform/syscall.h"

TEST(XPlatformSyscall, FnMatchBasicAsterisk) {
  const std::string pattern("a*.doc");
  const std::string str("abcd.doc");
  EXPECT_TRUE(XPlatform::Syscall::FnMatch(pattern, str));
}

TEST(XPlatformSyscall, FnMatchBasicQuestionMark) {
  const std::string pattern("a?.doc");
  const std::string str("ab.doc");
  EXPECT_TRUE(XPlatform::Syscall::FnMatch(pattern, str));
}

TEST(XPlatformSyscall, FnMatchNegativeAsterisk) {
  const std::string pattern("a*.doc");
  const std::string str("bcd.doc");
  EXPECT_FALSE(XPlatform::Syscall::FnMatch(pattern, str));
}

TEST(XPlatformSyscall, FnMatchNegativeQuestionMark) {
  const std::string pattern("a?.doc");
  const std::string str("abc.doc");
  EXPECT_FALSE(XPlatform::Syscall::FnMatch(pattern, str));
}

TEST(XPlatformSyscall, ClearBufferSafelyChars) {
  std::vector<char> alphabets(26);
  std::iota(alphabets.begin(), alphabets.end(), 'a');

  XPlatform::Syscall::ClearBufferSafely(alphabets.data(), alphabets.size());
  for (const auto alphabet : alphabets) {
    EXPECT_EQ(alphabet, '\0');
  }
}

TEST(XPlatformSyscall, ClearBufferSafelyNumbers) {
  std::vector<int> numbers(200);
  std::iota(numbers.begin(), numbers.end(), 0);

  XPlatform::Syscall::ClearBufferSafely(numbers.data(),
                                        numbers.size() * sizeof(int));
  for (const auto number : numbers) {
    EXPECT_EQ(number, 0);
  }
}