sb.append(padChar);
    }
    return sb.toString();
  }

  /**
   * Returns a string consisting of a specific number of concatenated copies of an input string. For
   * example, {@code repeat("hey", 3)} returns the string {@code "heyheyhey"}.
   *
   * <p><b>Java 11+ users:</b> use {@code string.repeat(count)} instead.
   *
   * @param string any non-null string

        .addEqualityGroup(ImmutableDoubleArray.of(1, 2, 3))
        .testEquals();
  }

  /**
   * This is probably a weird and hacky way to test what we're really trying to test, but hey, it
   * caught a bug.
   */
  public void testTrimmed() {
    ImmutableDoubleArray iia = ImmutableDoubleArray.of(0, 1, 3);
    assertDoesntActuallyTrim(iia);
    assertDoesntActuallyTrim(iia.subArray(0, 3));

        .addEqualityGroup(ImmutableLongArray.of(1, 2, 3))
        .testEquals();
  }

  /**
   * This is probably a weird and hacky way to test what we're really trying to test, but hey, it
   * caught a bug.
   */
  public void testTrimmed() {
    ImmutableLongArray iia = ImmutableLongArray.of(0, 1, 3);
    assertDoesntActuallyTrim(iia);
    assertDoesntActuallyTrim(iia.subArray(0, 3));

      sb.append(padChar);
    }
    return sb.toString();
  }

  /**
   * Returns a string consisting of a specific number of concatenated copies of an input string. For
   * example, {@code repeat("hey", 3)} returns the string {@code "heyheyhey"}.
   *
   * @param string any non-null string
   * @param count the number of times to repeat it; a nonnegative integer

        .addEqualityGroup(ImmutableLongArray.of(1, 2, 3))
        .testEquals();
  }

  /**
   * This is probably a weird and hacky way to test what we're really trying to test, but hey, it
   * caught a bug.
   */
  public void testTrimmed() {
    ImmutableLongArray iia = ImmutableLongArray.of(0, 1, 3);
    assertDoesntActuallyTrim(iia);
    assertDoesntActuallyTrim(iia.subArray(0, 3));

        .addEqualityGroup(ImmutableDoubleArray.of(1, 2, 3))
        .testEquals();
  }

  /**
   * This is probably a weird and hacky way to test what we're really trying to test, but hey, it
   * caught a bug.
   */
  public void testTrimmed() {
    ImmutableDoubleArray iia = ImmutableDoubleArray.of(0, 1, 3);
    assertDoesntActuallyTrim(iia);
    assertDoesntActuallyTrim(iia.subArray(0, 3));

        .addEqualityGroup(ImmutableIntArray.of(1, 2, 3))
        .testEquals();
  }

  /**
   * This is probably a weird and hacky way to test what we're really trying to test, but hey, it
   * caught a bug.
   */
  public void testTrimmed() {
    ImmutableIntArray iia = ImmutableIntArray.of(0, 1, 3);
    assertDoesntActuallyTrim(iia);
    assertDoesntActuallyTrim(iia.subArray(0, 3));

        .addEqualityGroup(ImmutableIntArray.of(1, 2, 3))
        .testEquals();
  }

  /**
   * This is probably a weird and hacky way to test what we're really trying to test, but hey, it
   * caught a bug.
   */
  public void testTrimmed() {
    ImmutableIntArray iia = ImmutableIntArray.of(0, 1, 3);
    assertDoesntActuallyTrim(iia);
    assertDoesntActuallyTrim(iia.subArray(0, 3));