// Then
        String toString = provider.toString();
        assertNotNull(toString);
        assertTrue("toString should contain TimeZone ID", toString.contains(FessUserTimeZoneProcessProvider.centralTimeZone.getID()));
        // The provider's toString might not contain the exact class name
        // Just verify it's not null and contains some meaningful info
        assertTrue("toString should not be empty", toString.length() > 0);

        // 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";

    assertThat(table.toString()).isEqualTo("{bar={1=b}, foo={1=a, 3=c}}");
    assertThat(table.rowMap().toString()).isEqualTo("{bar={1=b}, foo={1=a, 3=c}}");
  }

  public void testCellSetToString_ordered() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertThat(table.cellSet().toString()).isEqualTo("[(bar,1)=b, (foo,1)=a, (foo,3)=c]");
  }

   * instance being decorated.
   */
  protected abstract Object delegate();

  /** Returns the string representation generated by the delegate's {@code toString} method. */
  @Override
  public String toString() {
    return delegate().toString();
  }

  /* No equals or hashCode. See class comments for details. */

   *
   * <p>This is helpful for implementing {@link Object#toString()}. Specification by example:
   *
   * {@snippet :
   * // Returns "ClassName{}"
   * MoreObjects.toStringHelper(this)
   *     .toString();
   *
   * // Returns "ClassName{x=1}"
   * MoreObjects.toStringHelper(this)
   *     .add("x", 1)
   *     .toString();
   *
   * // Returns "MyObject{x=1}"
   * MoreObjects.toStringHelper("MyObject")

    /**
     * Verify that {@link #toString()} with no root cause equals the default
     * {@code IOException#toString()}.
     */
    @Test
    @DisplayName("toString without root cause matches IOException#toString")
    void testToStringWithoutRootCause() {
        SmbException ex = new SmbException(0, false);
        assertEquals("jcifs.smb1.smb1.SmbException: NT_STATUS_SUCCESS", ex.toString());
    }

      assertThat(entry.toString()).isEqualTo(entry.getKey() + "=" + entry.getValue());
      assertEquals(entry.getKey(), bimap.inverse().get(entry.getValue()));
    }

    assertThat(map.toString()).isEqualTo("{" + JOINER.join(map.entrySet()) + "}");
    assertThat(map.entrySet().toString()).isEqualTo("[" + JOINER.join(map.entrySet()) + "]");
    assertThat(map.keySet().toString()).isEqualTo("[" + JOINER.join(map.keySet()) + "]");

    }
  }

  public void testParent() {
    assertThat(InternetDomainName.from("google.com").parent().toString()).isEqualTo("com");
    assertThat(InternetDomainName.from("co.uk").parent().toString()).isEqualTo("uk");
    assertThat(InternetDomainName.from("www.google.com").parent().toString())
        .isEqualTo("google.com");

    assertThrows(IllegalStateException.class, () -> InternetDomainName.from("com").parent());

  }

  public void testToString() {
    assertThat(entry("foo", 1).toString()).isEqualTo("foo");
    assertThat(entry("bar", 2).toString()).isEqualTo("bar x 2");
  }

  public void testToStringNull() {
    assertThat(entry(NE, 1).toString()).isEqualTo("null");
    assertThat(entry(NE, 2).toString()).isEqualTo("null x 2");
  }

  public void testEquals() {

      return uncheckedCastNullableTToT(value);
    }

    @Override
    public String toString() {
      // This is a little strange if the unit the user provided was not NANOS,
      // but we don't want to store the unit just for toString
      return "Suppliers.memoizeWithExpiration(" + delegate + ", " + durationNanos + ", NANOS)";
    }

    @GwtIncompatible