builder.put(entry.getKey(), entry.getValue());
      }
      return ImmutableMap.copyOf(builder);
    }
  }

  public static class ImmutableMapCopyOfEntriesGenerator extends TestStringMapGenerator {
    @Override
    protected Map<String, String> create(Entry<String, String>[] entries) {
      return ImmutableMap.copyOf(asList(entries));
    }
  }

  public static class ImmutableMapUnhashableValuesGenerator

  }

  @Test
  public void copyOf_nullArgument() {
    assertThrows(NullPointerException.class, () -> copyOf((Graph<?>) null));
  }

  @Test
  public void copyOf_directedGraph() {
    Graph<Integer> directedGraph = buildDirectedGraph();

    Graph<Integer> copy = copyOf(directedGraph);
    assertThat(copy).isEqualTo(directedGraph);
  }

  @Test
  public void copyOf_undirectedGraph() {

   */
  public static <R, C, V> ImmutableTable<R, C, V> copyOf(
      Table<? extends R, ? extends C, ? extends V> table) {
    if (table instanceof ImmutableTable) {
      @SuppressWarnings("unchecked")
      ImmutableTable<R, C, V> parameterizedTable = (ImmutableTable<R, C, V>) table;
      return parameterizedTable;
    } else {
      return copyOf(table.cellSet());
    }
  }

    COPY_OF_COLLECTION {
      @Override
      public ImmutableMultiset<Object> create(List<?> keys) {
        return ImmutableMultiset.copyOf(keys);
      }
    },
    COPY_OF_ITERATOR {
      @Override
      public ImmutableMultiset<Object> create(List<?> keys) {
        return ImmutableMultiset.copyOf(keys.iterator());
      }
    },
    BUILDER_ADD_ENTRY_BY_ENTRY {
      @Override

  }

  static void testSort(byte[] input, byte[] expected) {
    input = Arrays.copyOf(input, input.length);
    UnsignedBytes.sort(input);
    assertThat(input).isEqualTo(expected);
  }

  static void testSort(byte[] input, int from, int to, byte[] expected) {
    input = Arrays.copyOf(input, input.length);
    UnsignedBytes.sort(input, from, to);
    assertThat(input).isEqualTo(expected);
  }

          assertEquals(expected.asDescendingMapOfRanges(), subRangeMap.asDescendingMapOfRanges());
          assertEquals(
              ImmutableList.copyOf(subRangeMap.asMapOfRanges().entrySet()).reverse(),
              ImmutableList.copyOf(subRangeMap.asDescendingMapOfRanges().entrySet()));

          if (!expected.asMapOfRanges().isEmpty()) {
            assertEquals(expected.span(), subRangeMap.span());
          }

import com.google.errorprone.annotations.InlineMe;

/**
 * A {@link ValueGraph} whose elements and structural relationships will never change. Instances of
 * this class may be obtained with {@link #copyOf(ValueGraph)}.
 *
 * <p>See the Guava User's Guide's <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#immutable-implementations">discussion

  }

  private static void testReverse(char[] input, char[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    Chars.reverse(input);
    assertThat(input).isEqualTo(expectedOutput);
  }

  private static void testReverse(char[] input, int fromIndex, int toIndex, char[] expectedOutput) {
    input = Arrays.copyOf(input, input.length);
    Chars.reverse(input, fromIndex, toIndex);

    } catch (IOException expected) {
      assertSame(thrownException, expected);
    }

    assertTrue(c1.isClosed());
    assertTrue(c2.isClosed());

    ImmutableSet<Throwable> suppressed = ImmutableSet.copyOf(thrownException.getSuppressed());
    assertEquals(2, suppressed.size());

    assertEquals(ImmutableSet.of(c1Exception, c2Exception), suppressed);
  }

  public void testNullCloseable() throws IOException {

        rpc.sid_t s = new rpc.sid_t();
        s.revision = revision;
        s.sub_authority_count = (byte) subs.length;
        s.identifier_authority = Arrays.copyOf(identAuth, 6);
        s.sub_authority = Arrays.copyOf(subs, subs.length);
        return s;
    }

    @Nested
    @DisplayName("Basic Constructor and Utility Tests")
    class BasicTests {

        @Test