new EqualsTester()
        .addEqualityGroup(testTable)
        .addEqualityGroup(ArrayTable.create(ImmutableSet.of('A'), ImmutableSet.of(1)))
        .testEquals();
  }

  public void testToString() {
    assertEquals("{a={1=blah}}", testTable.toString());
  }

  public void testContains() {
    assertTrue(testTable.contains('a', 1));
    assertFalse(testTable.contains('a', 2));

    new EqualsTester()
        .addEqualityGroup(INSTANCE)
        .addEqualityGroup(ArrayTable.create(ImmutableSet.of('A'), ImmutableSet.of(1)))
        .testEquals();
  }

  public void testToString() {
    assertEquals("{}", INSTANCE.toString());
  }

  public void testSize() {
    assertEquals(0, INSTANCE.size());
  }

  public void testGet() {
    assertThat(INSTANCE.get('a', 1)).isNull();
  }

    // Non-bracketed IPv6 fails.
    assertThrows(
        IllegalArgumentException.class,
        () -> HostAndPort.fromString("::1").requireBracketsForIPv6());
  }

  public void testToString() {
    // With ports.
    assertEquals("foo:101", "" + HostAndPort.fromString("foo:101"));
    assertEquals(":102", HostAndPort.fromString(":102").toString());

    // Non-bracketed IPv6 fails.
    assertThrows(
        IllegalArgumentException.class,
        () -> HostAndPort.fromString("::1").requireBracketsForIPv6());
  }

  public void testToString() {
    // With ports.
    assertEquals("foo:101", "" + HostAndPort.fromString("foo:101"));
    assertEquals(":102", HostAndPort.fromString(":102").toString());

        assertThat(expectSuccess).isTrue();
      } catch (IllegalArgumentException e) {
        assertThat(expectSuccess).isFalse();
      }
    }
  }

  public void testToString() {
    for (long value : TEST_LONGS) {
      UnsignedLong unsignedValue = UnsignedLong.fromLongBits(value);
      assertThat(unsignedValue.toString()).isEqualTo(unsignedValue.bigIntegerValue().toString());
    }
  }

            "Resources.asCharSource[URL, Charset]",
            SourceSinkFactories.urlCharSourceFactory(),
            false));
    suite.addTestSuite(ResourcesTest.class);
    return suite;
  }

  public void testToString() throws IOException {
    URL resource = getClass().getResource("testdata/i18n.txt");
    assertEquals(I18N, Resources.toString(resource, UTF_8));
    assertThat(Resources.toString(resource, US_ASCII)).isNotEqualTo(I18N);
  }

        assertThat(expectSuccess).isTrue();
      } catch (IllegalArgumentException e) {
        assertThat(expectSuccess).isFalse();
      }
    }
  }

  public void testToString() {
    for (long value : TEST_LONGS) {
      UnsignedLong unsignedValue = UnsignedLong.fromLongBits(value);
      assertThat(unsignedValue.toString()).isEqualTo(unsignedValue.bigIntegerValue().toString());
    }
  }

    // The radix is used as an array index, so try a negative value.
    assertThrows(NumberFormatException.class, () -> UnsignedBytes.parseUnsignedByte("0", -1));
  }

  public void testToString() {
    // We can easily afford to test this exhaustively.
    for (int i = 0; i <= 0xff; i++) {
      assertThat(UnsignedBytes.toString((byte) i)).isEqualTo(Integer.toString(i));
    }
  }

 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class CharStreamsTest extends IoTestCase {

  private static final String TEXT = "The quick brown fox jumped over the lazy dog.";

  public void testToString() throws IOException {
    assertEquals(TEXT, CharStreams.toString(new StringReader(TEXT)));
  }

  public void testReadLines() throws IOException {

 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class CharStreamsTest extends IoTestCase {

  private static final String TEXT = "The quick brown fox jumped over the lazy dog.";

  public void testToString() throws IOException {
    assertEquals(TEXT, CharStreams.toString(new StringReader(TEXT)));
  }

  public void testReadLines() throws IOException {