assertThat(HostAndPort.fromString("foo:101").toString()).isEqualTo("foo:101");
    assertThat(HostAndPort.fromString(":102").toString()).isEqualTo(":102");
    assertThat(HostAndPort.fromParts("1::2", 103).toString()).isEqualTo("[1::2]:103");
    assertThat(HostAndPort.fromString("[::1]:104").toString()).isEqualTo("[::1]:104");

    // Without ports.
    assertThat(HostAndPort.fromString("foo").toString()).isEqualTo("foo");

        Map<String, Object> source;
        while ((source = reader.read()) != null) {
            assertTrue(source.get("field1").toString().startsWith("test"));
            valueSet.add(source.get("field1").toString());
            count++;
        }
        assertEquals(num, count);
        assertEquals(num, valueSet.size());
    }

    @Test

        assertEquals("_default:fess", ((TermQuery) query).toString());

        query = queryParser.createDefaultFilterChain().parse("\"fess codelibs\"");
        assertEquals(PhraseQuery.class, query.getClass());
        assertEquals("_default:fess", ((PhraseQuery) query).getTerms()[0].toString());
        assertEquals("_default:codelibs", ((PhraseQuery) query).getTerms()[1].toString());

     */
    public static String toString(final Object value) {
        return toString(value, null);
    }

    /**
     * Converts the given object to a string.
     *
     * @param value
     *            The object to convert
     * @param pattern
     *            The pattern string
     * @return The converted {@literal String}
     */
    public static String toString(final Object value, final String pattern) {

    assertThat(Files.toString(asciiFile, US_ASCII)).isEqualTo(ASCII);
    assertThat(Files.toString(i18nFile, UTF_8)).isEqualTo(I18N);
    assertThat(Files.toString(i18nFile, US_ASCII)).isNotEqualTo(I18N);
  }

  public void testWriteString() throws IOException {
    File temp = createTempFile();
    Files.write(I18N, temp, UTF_16LE);
    assertThat(Files.toString(temp, UTF_16LE)).isEqualTo(I18N);
  }

        // Test toString with null name
        String[] values = { "value1" };
        RequestParameter param = new RequestParameter(null, values);

        String expected = "[null, [value1]]";
        assertEquals(expected, param.toString());
    }

    @Test
    public void test_toString_withNullValues() {
        // Test toString with null values
        String name = "testParam";

        assertEquals("test      ", sb.toString());

        // Test with exact width string
        sb = new StringBuffer();
        ace.appendCol(sb, "exact", 5);
        assertEquals("exact", sb.toString());

        // Test with longer string than width
        sb = new StringBuffer();
        ace.appendCol(sb, "longer string", 5);
        assertEquals("longer string", sb.toString());
    }

    @Test

    assertThat(HostAndPort.fromString("foo:101").toString()).isEqualTo("foo:101");
    assertThat(HostAndPort.fromString(":102").toString()).isEqualTo(":102");
    assertThat(HostAndPort.fromParts("1::2", 103).toString()).isEqualTo("[1::2]:103");
    assertThat(HostAndPort.fromString("[::1]:104").toString()).isEqualTo("[::1]:104");

    // Without ports.
    assertThat(HostAndPort.fromString("foo").toString()).isEqualTo("foo");

 * @author Jared Levy
 * @since 2.0
 */
@GwtCompatible
public final class Functions {
  private Functions() {}

  /**
   * A function equivalent to the method reference {@code Object::toString}. The function simply
   * invokes {@code toString} on its argument and returns the result. It throws a {@link
   * NullPointerException} on null input.
   *
   * <p><b>Warning:</b> The returned function may not be <i>consistent with equals</i> (as

                Arguments.of(new byte[] { (byte) 0x7F, (byte) 0x80, (byte) 0xFF }, "7f80ff"));
    }

    // Verifies that toString() formats bytes as lower-case hex with zero-padding
    @ParameterizedTest(name = "toString renders hex for {0}")
    @MethodSource("hexCases")
    @DisplayName("toString() renders lower-case hex with zero-padding")
    void toString_rendersHex(byte[] input, String expected) {
        // Arrange