assertNull(ex.getCause());

        // Assert - toString starts with class name and contains message when present
        if (message == null) {
            assertEquals(SMBProtocolDowngradeException.class.getName(), ex.toString());
        } else if (message.isEmpty()) {
            // Throwable.toString prints class + ": " (with space) even for empty string

                    doc.toString());
            assertFalse(
                    doc.entrySet()
                            .stream()
                            .anyMatch(entry -> entry.getValue().toString().toLowerCase().contains(keywords[2].toLowerCase())),
                    doc.toString());
        }
    }

    @Test

      return delegate.getId();
    }

    @Override
    public String toString() {
      return delegate.toString();
    }
  }

  private interface Equals {
    @Override
    boolean equals(@Nullable Object obj);

    @Override
    int hashCode();

    @Override
    String toString();
  }

  private static class NoDelegateToEquals implements Equals {

                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

        DfsReferral dfsReferral = new DfsReferral(mockData);

        // Verify that toString() returns the expected string from the mock data object
        assertEquals(expectedToString, dfsReferral.toString(),
                "toString() should return the result of the wrapped DfsReferralData's toString() method.");
    }

        .build()
    assertThat(url.toString()).isEqualTo("http://host/#=[]:;\"~|?#@^/$%25*")
    assertThat(url.toUri().toString())
      .isEqualTo("http://host/#=[]:;%22~%7C?%23@%5E/$%25*")
  }

  @Test
  fun toUriSpecialQueryCharacters() {
    val httpUrl = "http://host/?d=abc!@[]^`{}|\\".toHttpUrl()
    val uri = httpUrl.toUri()
    assertThat(uri.toString()).isEqualTo("http://host/?d=abc!@[]%5E%60%7B%7D%7C%5C")

        String infoString = info.toString();
        assertTrue(infoString.contains("alloc=1000"), "toString should contain alloc");
        assertTrue(infoString.contains("free=500"), "toString should contain free");
        assertTrue(infoString.contains("sectPerAlloc=100"), "toString should contain sectPerAlloc");
        assertTrue(infoString.contains("bytesPerSect=512"), "toString should contain bytesPerSect");
    }

    HashCode hash2 = HashCode.fromString(hash1.toString());
    assertEquals(hash1, hash2);
  }

  public void testRoundTrip() {
    for (ExpectedHashCode expected : expectedHashCodes) {
      String string = HashCode.fromBytes(expected.bytes).toString();
      assertEquals(expected.toString, string);
      assertEquals(
          expected.toString,

    assertEquals(knownOutput, HashCode.fromBytes(mac.doFinal()).toString());
    assertEquals(knownOutput, HashCode.fromBytes(mac.doFinal(input.getBytes(UTF_8))).toString());
    assertEquals(knownOutput, Hashing.hmacMd5(MD5_KEY).hashString(input, UTF_8).toString());
    assertEquals(knownOutput, Hashing.hmacMd5(MD5_KEY).hashBytes(input.getBytes(UTF_8)).toString());
  }

  public void testKnownInputs_mixedAlgorithms() throws Exception {

  public void testToString_minimal() {
    assertNotNull("toString() should not return null", getMap().toString());
  }

  @CollectionSize.Require(ZERO)
  @CollectionFeature.Require(absent = NON_STANDARD_TOSTRING)
  public void testToString_size0() {
    assertEquals("emptyMap.toString should return {}", "{}", getMap().toString());
  }

  @CollectionSize.Require(ONE)