* with as many copies of {@code padChar} as are necessary to reach that length. For example,
   *
   * <ul>
   *   <li>{@code padEnd("4.", 5, '0')} returns {@code "4.000"}
   *   <li>{@code padEnd("2010", 3, '!')} returns {@code "2010"}
   * </ul>
   *
   * <p>See {@link java.util.Formatter} for a richer set of formatting capabilities.
   *

   * with as many copies of {@code padChar} as are necessary to reach that length. For example,
   *
   * <ul>
   *   <li>{@code padEnd("4.", 5, '0')} returns {@code "4.000"}
   *   <li>{@code padEnd("2010", 3, '!')} returns {@code "2010"}
   * </ul>
   *
   * <p>See {@link java.util.Formatter} for a richer set of formatting capabilities.
   *

    assertThat(Strings.padEnd("", 2, '-')).isEqualTo("--");
    assertThat(Strings.padEnd("x", 2, '-')).isEqualTo("x-");
    assertThat(Strings.padEnd("x", 3, '-')).isEqualTo("x--");
    assertThat(Strings.padEnd("xx", 3, '-')).isEqualTo("xx-");
  }

  public void testPadEnd_negativeMinLength() {
    assertThat(Strings.padEnd("x", -1, '-')).isSameInstanceAs("x");
  }

    assertThat(Strings.padEnd("", 2, '-')).isEqualTo("--");
    assertThat(Strings.padEnd("x", 2, '-')).isEqualTo("x-");
    assertThat(Strings.padEnd("x", 3, '-')).isEqualTo("x--");
    assertThat(Strings.padEnd("xx", 3, '-')).isEqualTo("xx-");
  }

  public void testPadEnd_negativeMinLength() {
    assertThat(Strings.padEnd("x", -1, '-')).isSameInstanceAs("x");
  }

   * Nearly all declarations in this class are package-private,
   * accessed directly by subclasses.
   *
   * Table entries are of class Cell; a variant of AtomicLong padded
   * to reduce cache contention on most processors. Padding is
   * overkill for most Atomics because they are usually irregularly
   * scattered in memory and thus don't interfere much with each

   * Nearly all declarations in this class are package-private,
   * accessed directly by subclasses.
   *
   * Table entries are of class Cell; a variant of AtomicLong padded
   * to reduce cache contention on most processors. Padding is
   * overkill for most Atomics because they are usually irregularly
   * scattered in memory and thus don't interfere much with each