/**
   * {@link ChassisOmniMech#getFixedMass()} shall return the mass of the chassis with all non fixed
   * items and armor removed.
   */
  @Test
  public final void testGetFixedMass() {
    ChassisOmniMech cut = makeDefaultCUT();

    List<Item> fixed1 = new ArrayList<>();
    List<Item> fixed2 = new ArrayList<>();
    List<Item> fixed3 = new ArrayList<>();

    Item item1 = Mockito.mock(Item.class);
    Item item2 = Mockito.mock(Item.class);
    Item item3 = Mockito.mock(Item.class);

    Mockito.when(item1.getMass()).thenReturn(1.0);
    Mockito.when(item2.getMass()).thenReturn(2.0);
    Mockito.when(item3.getMass()).thenReturn(3.0);

    fixed1.add(item1);
    fixed1.add(item2);
    fixed2.add(item2);
    fixed2.add(item2);
    fixed3.add(item3);

    Mockito.when(components[2].getFixedItems()).thenReturn(fixed1);
    Mockito.when(components[3].getFixedItems()).thenReturn(fixed2);
    Mockito.when(components[5].getFixedItems()).thenReturn(fixed3);

    Mockito.when(structureType.getStructureMass(cut)).thenReturn(3.0);

    double expected = 1 * 1 + 3 * 2 + 1 * 3 + 3;

    assertEquals(expected, cut.getFixedMass(), 0.0);

    Mockito.verify(armorType, Mockito.never()).getArmorMass(Matchers.anyInt());
  }
  /**
   * {@link ChassisOmniMech#getFixedMass()} shall return the mass of the chassis with all non fixed
   * items and armor removed.
   */
  @Test
  public final void testGetFixedHeatSinks() {
    ChassisOmniMech cut = makeDefaultCUT();

    List<Item> fixed1 = new ArrayList<>();
    List<Item> fixed2 = new ArrayList<>();
    List<Item> fixed3 = new ArrayList<>();

    Item item1 = Mockito.mock(Item.class);
    HeatSink hs1 = Mockito.mock(HeatSink.class);
    HeatSink hs2 = Mockito.mock(HeatSink.class);

    Mockito.when(item1.getMass()).thenReturn(1.0);
    Mockito.when(hs1.getMass()).thenReturn(2.0);
    Mockito.when(hs2.getMass()).thenReturn(3.0);

    fixed1.add(item1);
    fixed1.add(hs1);
    fixed2.add(hs1);
    fixed2.add(hs1);
    fixed3.add(hs2);

    Mockito.when(components[2].getFixedItems()).thenReturn(fixed1);
    Mockito.when(components[3].getFixedItems()).thenReturn(fixed2);
    Mockito.when(components[5].getFixedItems()).thenReturn(fixed3);

    assertEquals(4, cut.getFixedHeatSinks());
  }