}

  private static byte[] byteArrayWith9s(int size) {
    byte[] bytez = new byte[size];
    Arrays.fill(bytez, (byte) 0x99);
    return bytez;
  }

  public void testToString() {
    byte[] data = new byte[] {127, -128, 5, -1, 14};
    assertEquals("7f8005ff0e", HashCode.fromBytes(data).toString());
    assertEquals("7f8005ff0e", base16().lowerCase().encode(data));
  }

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

  public void testToString() {
    String[] tests = {
      "0",
      "ffffffffffffffff",
      "7fffffffffffffff",
      "ff1a618b7f65ea12",
      "5a4316b8c153ac4d",
      "6cf78a4b139a4e2a"
    };

            // Assert
            assertEquals(0, result);
        }
    }

    @Test
    @DisplayName("toString should return formatted string")
    void testToString() {
        // Act
        String result = response.toString();

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("TransWaitNamedPipeResponse["));

            "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);
  }

    try {
      List<Callable<String>> l = new ArrayList<>();
      l.add(new StringTask());
      l.add(new StringTask());
      String result = invokeAnyImpl(e, l, false, 0, NANOSECONDS);
      assertSame(TEST_STRING, result);
    } finally {
      joinPool(e);
    }
  }

  private static void assertListenerRunImmediately(ListenableFuture<?> future) {
    CountingRunnable listener = new CountingRunnable();

        // Assert
        assertEquals(0, result);
    }

    @Test
    @DisplayName("toString should return formatted string")
    void testToString() {
        // Act
        String result = response.toString();

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("TransPeekNamedPipeResponse["));

        assertEquals(2000, delay1);
        assertEquals(2000, delay2);
        assertEquals(2000, delay3);
    }

    @Test
    @DisplayName("Should provide meaningful toString output")
    void testToString() {
        // Given
        exception = new SmbOperationException(SmbOperationException.ErrorCode.ACCESS_DENIED, "Cannot access share");
        exception.withContext("share", "\\\\server\\share");

        assertEquals(dataSize, result);
        for (int i = 0; i < dataSize; i++) {
            assertEquals(sourceData[i], outputBuffer[i]);
        }
    }

    @Test
    void testToString() {
        String result = response.toString();
        assertNotNull(result);
        assertTrue(result.startsWith("TransCallNamedPipeResponse["));
        assertTrue(result.endsWith("]"));
    }

      assertEquals(
          "One of the registered catchers did not receive an event.",
          expectedEvents,
          catcher.getEvents());
    }
  }

  public void testToString() throws Exception {
    EventBus eventBus = new EventBus("a b ; - \" < > / \\ €");
    assertEquals("EventBus{a b ; - \" < > / \\ €}", eventBus.toString());
  }

  /**

        hasher.putString("The quick brown fox jumps over the lazy dog", UTF_8).hash().toString());
    assertThrows(IllegalStateException.class, () -> hasher.hash());
  }

  public void testToString() {
    byte[] keyData = "secret key".getBytes(UTF_8);

    assertEquals(
        "Hashing.hmacMd5(Key[algorithm=HmacMD5, format=RAW])", Hashing.hmacMd5(MD5_KEY).toString());
    assertEquals(