assertTrue(
        "addAll(n, allPresent) should return true",
        getList().addAll(0, MinimalCollection.of(e0())));
    expectAdded(0, e0());
  }

  @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX)
  @CollectionSize.Require(absent = ZERO)
  public void testAddAllAtIndex_unsupportedAllPresent() {
    try {
      getList().addAll(0, MinimalCollection.of(e0()));
      fail("addAll(n, allPresent) should throw");

    assertTrue(
        "addAll(n, allPresent) should return true",
        getList().addAll(0, MinimalCollection.of(e0())));
    expectAdded(0, e0());
  }

  @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX)
  @CollectionSize.Require(absent = ZERO)
  public void testAddAllAtIndex_unsupportedAllPresent() {
    try {
      getList().addAll(0, MinimalCollection.of(e0()));
      fail("addAll(n, allPresent) should throw");

    E duplicate = arrayAndDuplicate.duplicate;

    int firstIndex = getList().indexOf(duplicate);
    int initialSize = getList().size();
    assertTrue("remove(present) should return true", getList().remove(duplicate));
    assertTrue(
        "After remove(duplicate), a list should still contain the duplicate element",
        getList().contains(duplicate));
    assertFalse(

  public void testRemoveAtIndex_unsupported() {
    try {
      getList().remove(0);
      fail("remove(i) should throw");
    } catch (UnsupportedOperationException expected) {
    }
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)
  public void testRemoveAtIndex_negative() {
    try {
      getList().remove(-1);
      fail("remove(-1) should throw");

       */
    }
  }

  public void testSubList_empty() {
    assertEquals("subList(0, 0) should be empty", emptyList(), getList().subList(0, 0));
  }

  public void testSubList_entireList() {
    assertEquals(
        "subList(0, size) should be equal to the original list",
        getList(),
        getList().subList(0, getNumElements()));
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)

       */
    }
  }

  public void testSubList_empty() {
    assertEquals("subList(0, 0) should be empty", emptyList(), getList().subList(0, 0));
  }

  public void testSubList_entireList() {
    assertEquals(
        "subList(0, size) should be equal to the original list",
        getList(),
        getList().subList(0, getNumElements()));
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)

    assertFalse(
        "Lists of different sizes should not be equal.",
        getList().equals(new ArrayList<E>(moreElements)));
  }

  public void testEquals_set() {
    assertFalse("A List should never equal a Set.", getList().equals(MinimalSet.from(getList())));
  }

    int index = aValidIndex();
    E initialValue = getList().get(index);
    assertEquals(
        "set(i, x) should return the old element at position i.",
        initialValue,
        getList().set(index, newValue));
    assertEquals("After set(i, x), get(i) should return x", newValue, getList().get(index));
    assertEquals("set() should not change the size of a list.", getNumElements(), getList().size());
  }

   */
  public void testAddAtIndex_unsupportedPresent() {
    try {
      getList().add(0, e0());
      fail("add(n, present) should throw");
    } catch (UnsupportedOperationException expected) {
    }
    expectUnchanged();
  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)
  public void testAddAtIndex_supportedNotPresent() {
    getList().add(0, e3());
    expectAdded(0, e3());
  }

    assertFalse(
        "Lists of different sizes should not be equal.",
        getList().equals(new ArrayList<E>(moreElements)));
  }

  public void testEquals_set() {
    assertFalse("A List should never equal a Set.", getList().equals(MinimalSet.from(getList())));
  }