text: /*
   * 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 <gtest/gtest.h>
  #include "com/centreon/broker/bbdo/input_buffer.hh"
  
  using namespace com::centreon::broker;
  
  class BbdoInputBufferExtract : public ::testing::Test {
   public:
    void SetUp() override {
      for (int i = 1; i < 120; ++i) {
        std::vector<char> buffer;
        buffer.reserve(120);
        for (int j = 0; j < i; ++j)
          buffer.push_back(j);
        _raw.append(buffer.data(), i);
        _buffer.append(std::move(buffer));
      }
    }
  
   protected:
    bbdo::input_buffer _buffer;
    std::string _raw;
  };
  
  // Given a bbdo::input_buffer object filled with data
  // When extract() is called with an offset of 0 and a size of 1
  // Then the first byte is extracted
  TEST_F(BbdoInputBufferExtract, Offset0Size1) {
    std::string output;
    _buffer.extract(output, 0, 1);
    ASSERT_EQ(output.size(), 1u);
    ASSERT_EQ(output[0], 0);
  }
  
  // Given a bbdo::input_buffer object filled with data
  // When extract is called with an offset of 10 and a size of 46
  // Then the 46 bytes at offset 10 are extracted
  TEST_F(BbdoInputBufferExtract, Offset10Size46) {
    std::string output;
    _buffer.extract(output, 10, 46);
    ASSERT_EQ(output.size(), 46u);
    ASSERT_EQ(memcmp(output.data(), _raw.data() + 10, 46), 0);
  }
  
  TEST_F(BbdoInputBufferExtract, Erase2Offset2Offset10Size46) {
    for (int i = 0; i < 20; i++) {
      std::string output;
      _buffer.extract(output, 10, 46);
      ASSERT_EQ(output.size(), 46u);
      ASSERT_EQ(memcmp(output.data(), _raw.data() + 10 + i, 46), 0);
      _buffer.erase(1);
    }
  }
  