ImmutableLongArray iia = ImmutableLongArray.copyOf((Iterable<Long>) list);
    list.set(2, 2L);
    assertThat(iia.asList()).containsExactly(0L, 1L, 3L).inOrder();
  }

  public void testCopyOf_collection_empty() {
    Collection<Long> iterable = Collections.emptySet();
    assertThat(ImmutableLongArray.copyOf(iterable)).isSameInstanceAs(ImmutableLongArray.of());
  }

  public void testCopyOf_collection_nonempty() {

    @Nullable String[] array = new @Nullable String[] {null};
    assertThrows(NullPointerException.class, () -> ImmutableMultiset.copyOf((String[]) array));
  }

  public void testCopyOf_collection_empty() {
    Collection<String> c = MinimalCollection.of();
    Multiset<String> multiset = ImmutableMultiset.copyOf(c);
    assertTrue(multiset.isEmpty());
  }

    @Nullable String[] array = new @Nullable String[] {null};
    assertThrows(NullPointerException.class, () -> ImmutableMultiset.copyOf((String[]) array));
  }

  public void testCopyOf_collection_empty() {
    Collection<String> c = MinimalCollection.of();
    Multiset<String> multiset = ImmutableMultiset.copyOf(c);
    assertTrue(multiset.isEmpty());
  }

    ImmutableDoubleArray iia = ImmutableDoubleArray.copyOf((Iterable<Double>) list);
    list.set(2, 2.0);
    assertThat(iia.asList()).containsExactly(0.0, 1.0, 3.0).inOrder();
  }

  public void testCopyOf_collection_empty() {
    Collection<Double> iterable = Collections.emptySet();
    assertThat(ImmutableDoubleArray.copyOf(iterable)).isSameInstanceAs(ImmutableDoubleArray.of());
  }

    @Nullable String[] array = new @Nullable String[] {null};
    assertThrows(NullPointerException.class, () -> ImmutableList.copyOf((String[]) array));
  }

  public void testCopyOf_collection_empty() {
    Collection<String> c = MinimalCollection.of();
    List<String> list = ImmutableList.copyOf(c);
    assertEquals(emptyList(), list);
  }

  public void testCopyOf_collection_oneElement() {

    ImmutableIntArray iia = ImmutableIntArray.copyOf((Iterable<Integer>) list);
    list.set(2, 2);
    assertThat(iia.asList()).containsExactly(0, 1, 3).inOrder();
  }

  public void testCopyOf_collection_empty() {
    Collection<Integer> iterable = Collections.emptySet();
    assertThat(ImmutableIntArray.copyOf(iterable)).isSameInstanceAs(ImmutableIntArray.of());
  }

  public void testCopyOf_collection_nonempty() {

    @Nullable String[] array = new @Nullable String[] {null};
    assertThrows(NullPointerException.class, () -> copyOf((String[]) array));
  }

  public void testCopyOf_collection_empty() {
    Collection<String> c = MinimalCollection.of();
    Set<String> set = copyOf(c);
    assertEquals(Collections.<String>emptySet(), set);
    assertSame(this.<String>of(), set);
  }

    @Nullable String[] array = new @Nullable String[] {null};
    assertThrows(NullPointerException.class, () -> ImmutableList.copyOf((String[]) array));
  }

  public void testCopyOf_collection_empty() {
    Collection<String> c = MinimalCollection.of();
    List<String> list = ImmutableList.copyOf(c);
    assertEquals(emptyList(), list);
  }

  public void testCopyOf_collection_oneElement() {

    ImmutableDoubleArray iia = ImmutableDoubleArray.copyOf((Iterable<Double>) list);
    list.set(2, 2.0);
    assertThat(iia.asList()).containsExactly(0.0, 1.0, 3.0).inOrder();
  }

  public void testCopyOf_collection_empty() {
    Collection<Double> iterable = Collections.emptySet();
    assertThat(ImmutableDoubleArray.copyOf(iterable)).isSameInstanceAs(ImmutableDoubleArray.of());
  }