}

    /**
     * Creates a new source backed by the specified string.
     *
     * @param content The String representation, may be empty or {@code null}.
     * @param location The location to report for this use, may be {@code null}.
     */
    public StringSource(CharSequence content, String location) {
        this.content = (content != null) ? content.toString() : "";
        this.location = (location != null) ? location : "(memory)";

   * size to reach 0, causing an infinite loop.
   */
  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8
  public void testCopyWithReaderThatDoesNotFillBuffer() throws IOException {
    // need a long enough string for the buffer to hit 0 remaining before the copy completes
    String string = Strings.repeat("0123456789", 100);
    StringBuilder b = new StringBuilder();

   * size to reach 0, causing an infinite loop.
   */
  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8
  public void testCopyWithReaderThatDoesNotFillBuffer() throws IOException {
    // need a long enough string for the buffer to hit 0 remaining before the copy completes
    String string = Strings.repeat("0123456789", 100);
    StringBuilder b = new StringBuilder();

          }
        });

    String unused = future.toString();

    SettableFuture<Object> future2 = SettableFuture.create();

    // A more organic OOM from a toString implementation
    Object object =
        new Object() {
          @Override
          public String toString() {
            return new String(new char[50_000]);
          }
        };

    String init = "d41d8cd98f00b204e9800998ecf8427e";
    assertEquals(init, Hashing.md5().newHasher().hash().toString());

    String asciiHash = "e5df5a39f2b8cb71b24e1d8038f93131";
    assertEquals(asciiHash, Files.hash(asciiFile, Hashing.md5()).toString());

    String i18nHash = "7fa826962ce2079c8334cd4ebf33aea4";
    assertEquals(i18nHash, Files.hash(i18nFile, Hashing.md5()).toString());
  }

            // still got data
            if ((!exit) && (tokStarted)) {
                retVal = tokBuf.toString();
            }
        }

        return optional ? "?" + retVal : retVal;
    }

    public static String substVars(
            String value, String name, Map<String, String> props, UnaryOperator<String> callback) {
        return DefaultInterpolator.substVars(value, name, null, props, callback, null, false);

     */
    public String[] getValues() {
        return values;
    }

    /**
     * Returns a string representation of this RequestParameter.
     * The format includes the parameter name and its values in array format.
     *
     * @return a string representation of this object in the format "[name, [value1, value2, ...]]"
     */
    @Override
    public String toString() {

    }

    @Test
    @DisplayName("toString includes class, code and error string")
    void testToString() {
        NbtException e = new NbtException(NbtException.ERR_SSN_SRVC, NbtException.NO_RESOURCES);
        String str = e.toString();
        assertTrue(str.contains("errorClass=2"));
        assertTrue(str.contains("errorCode=" + NbtException.NO_RESOURCES));

    assertThat(array).isEmpty();
  }

  @GwtIncompatible // Iterables.toArray(Iterable, Class)
  public void testToArraySingleton() {
    Iterable<String> iterable = singletonList("a");
    String[] array = Iterables.toArray(iterable, String.class);
    assertThat(array).isEqualTo(new String[] {"a"});
  }

  @GwtIncompatible // Iterables.toArray(Iterable, Class)
  public void testToArray() {

    @Nested
    @DisplayName("ToString Tests")
    class ToStringTests {

        @Test
        @DisplayName("Should return simple string when no root cause")
        void testToStringWithoutRootCause() {
            String message = "Test exception message";
            TransportException exception = new TransportException(message);

            String result = exception.toString();

            assertNotNull(result);