derived.cancel(false);
    assertTrue(secondary.isCancelled());
    assertFalse(secondary.wasInterrupted());
    fallback.verifyCallCount(1);
  }

  // test of a bogus implementation
  @SuppressWarnings({"AsyncFunctionReturnsNull", "nullness"})
  @J2ktIncompatible // Nullability
  public void testCatchingAsync_nullInsteadOfFuture() throws Exception {

    derived.cancel(false);
    assertTrue(secondary.isCancelled());
    assertFalse(secondary.wasInterrupted());
    fallback.verifyCallCount(1);
  }

  // test of a bogus implementation
  @SuppressWarnings({"AsyncFunctionReturnsNull", "nullness"})
  @J2ktIncompatible // Nullability
  public void testCatchingAsync_nullInsteadOfFuture() throws Exception {

        assertThat(arr).hasLength(i);
        for (int j = 0; j < i; j++) {
          assertThat(arr[j]).isEqualTo(VALUES[j]);
        }
      }
    }
  }

  @SuppressWarnings("nullness") // test of a bogus call
  public void testToArray_withNull() {
    List<@Nullable Integer> list = Arrays.asList((int) 0, (int) 1, null);
    assertThrows(NullPointerException.class, () -> Ints.toArray(list));
  }

        assertThat(arr).hasLength(i);
        for (int j = 0; j < i; j++) {
          assertThat(arr[j]).isEqualTo(VALUES[j]);
        }
      }
    }
  }

  @SuppressWarnings("nullness") // test of a bogus call
  public void testToArray_withNull() {
    List<@Nullable Character> list = Arrays.asList((char) 0, (char) 1, null);
    assertThrows(NullPointerException.class, () -> Chars.toArray(list));
  }

        assertThat(arr).hasLength(i);
        for (int j = 0; j < i; j++) {
          assertThat(arr[j]).isEqualTo(VALUES[j]);
        }
      }
    }
  }

  @SuppressWarnings("nullness") // test of a bogus call
  public void testToArray_withNull() {
    List<@Nullable Character> list = Arrays.asList((char) 0, (char) 1, null);
    assertThrows(NullPointerException.class, () -> Chars.toArray(list));
  }

        for (int j = 0; j < i; j++) {
          assertThat(arr[j]).isEqualTo(VALUES[j]);
        }
      }
    }
  }

  @SuppressWarnings("nullness") // test of a bogus call
  public void testToArray_withNull() {
    List<@Nullable Double> list = Arrays.asList(0.0, 1.0, null);
    assertThrows(NullPointerException.class, () -> Doubles.toArray(list));
  }

    assertThrows(
        IllegalArgumentException.class, () -> mediaType.withParameters("a", ImmutableSet.of("…")));
  }

  @SuppressWarnings("nullness") // test of a bogus call
  public void testWithParametersIterable_nullValue() {
    MediaType mediaType = MediaType.parse("text/plain");
    assertThrows(
        NullPointerException.class,

                 * issue on the host. There's not much we can do about it. Just
                 * to suppress NPEs that would result we can create a possibly bogus
                 * address. Pretty sure the below cannot actually thrown a UHE tho.
                 */
                try {
                    localInetAddress = InetAddress.getByName("127.0.0.1");

  public static CharMatcher isNot(char match) {
    return new IsNot(match);
  }

  /**
   * Returns a {@code char} matcher that matches any BMP character present in the given character
   * sequence. Returns a bogus matcher if the sequence contains supplementary characters.
   */
  public static CharMatcher anyOf(CharSequence sequence) {
    switch (sequence.length()) {
      case 0:
        return none();
      case 1:

                 * issue on the host. There's not much we can do about it. Just
                 * to suppress NPEs that would result we can create a possibly bogus
                 * address. Pretty sure the below cannot actually thrown a UHE tho.
                 */
                try {
                    localInetAddress = InetAddress.getByName("127.0.0.1");