/**
 * Copyright 2011 - 2019 Centreon (https://www.centreon.com/)
 *
 * 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.
 *
 * For more information : contact@centreon.com
 *
 */
#include "com/centreon/broker/compression/zlib.hh"
#include <gtest/gtest.h>

using namespace com::centreon::broker::compression;

class CompressionZlib : public ::testing::Test {
 public:
  void SetUp() override {}
};

// Given a simple buffer
// When zlib::compress() is called and then zlib::uncompress()
// Then we get as result the same buffer as the input one
TEST_F(CompressionZlib, Simple) {
  // Given
  char str[] = "Some data compression";
  std::vector<char> data{str, str + sizeof(str)};
  // When
  std::vector<char> compressed(zlib::compress(data, -1));
  std::vector<char> uncompressed(
      zlib::uncompress(reinterpret_cast<unsigned char const*>(&compressed[0]),
                       compressed.size()));

  // Then
  ASSERT_EQ(uncompressed, data);
}

// Given an empty buffer
// When zlib::compress() is called
// Then we get as result a buffer containing "\0\0\0\0"
TEST_F(CompressionZlib, Empty) {
  // Given
  std::vector<char> data;
  // When
  std::vector<char> compressed(zlib::compress(data, -1));

  std::vector<char> expected(4, '\0');
  ASSERT_EQ(compressed, expected);
}
