/*
    * Copyright © 2016 Greg Chabala
    *
    * This file is part of brick-control-lab.
    *
    * brick-control-lab is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Lesser General Public License as
    * published by the Free Software Foundation, either version 3 of the
    * License, or (at your option) any later version.
   *
   * brick-control-lab is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public License
   * along with brick-control-lab.  If not, see http://www.gnu.org/licenses/.
   */
  package org.chabala.brick.controllab;
  
  import org.junit.Test;
  
  import java.util.HashSet;
  import java.util.Set;
  
  import static org.hamcrest.Matchers.arrayWithSize;
  import static org.hamcrest.Matchers.hasSize;
  import static org.hamcrest.Matchers.is;
  import static org.junit.Assert.*;
  
  /**
   * Testing {@link PowerLevel}.
   */
  public class PowerLevelTest {
  
      @Test
      public void testPowerLevelZeroHasCorrectCode() throws Exception {
          assertThat(PowerLevel.P0.getCode(), is((byte) 0b10010010));
      }
  
      @Test
      public void testPowerLevelOneHasCorrectCode() throws Exception {
          assertThat(PowerLevel.P1.getCode(), is((byte) 0b10110000));
      }
  
      @Test
      public void testPowerLevelEightHasCorrectCode() throws Exception {
          assertThat(PowerLevel.P8.getCode(), is((byte) 0b10110111));
      }
  
      @Test
      public void testThereAreNinePowerLevels() throws Exception {
          assertThat(PowerLevel.values(), arrayWithSize(9));
      }
  
      @Test
      public void testEveryPowerLevelHasAUniqueCode() throws Exception {
          Set<Byte> codes = new HashSet<>();
          for (PowerLevel p : PowerLevel.values()) {
              codes.add(p.getCode());
          }
          assertThat(codes, hasSize(PowerLevel.values().length));
      }
  }