testStreamingEncodingWithSeparators(enc, "foobar", "Zm9vYmFy");
  }

  public void testBase64Offset() {
    testEncodesWithOffset(base64(), "foobar", 0, 6, "Zm9vYmFy");
    testEncodesWithOffset(base64(), "foobar", 1, 5, "b29iYXI=");
    testEncodesWithOffset(base64(), "foobar", 2, 3, "b2Jh");
    testEncodesWithOffset(base64(), "foobar", 3, 1, "Yg==");
    testEncodesWithOffset(base64(), "foobar", 4, 0, "");
  }

    testStreamingEncodingWithSeparators(enc, "foobar", "Zm9vYmFy");
  }

  public void testBase64Offset() {
    testEncodesWithOffset(base64(), "foobar", 0, 6, "Zm9vYmFy");
    testEncodesWithOffset(base64(), "foobar", 1, 5, "b29iYXI=");
    testEncodesWithOffset(base64(), "foobar", 2, 3, "b2Jh");
    testEncodesWithOffset(base64(), "foobar", 3, 1, "Yg==");
    testEncodesWithOffset(base64(), "foobar", 4, 0, "");
  }

  }

  public void testEncodedLength_invalidStrings() {
    testEncodedLengthFails(newString(MIN_HIGH_SURROGATE), 0);
    testEncodedLengthFails("foobar" + newString(MIN_HIGH_SURROGATE), 6);
    testEncodedLengthFails(newString(MIN_LOW_SURROGATE), 0);
    testEncodedLengthFails("foobar" + newString(MIN_LOW_SURROGATE), 6);
    testEncodedLengthFails(newString(MIN_HIGH_SURROGATE, MIN_HIGH_SURROGATE), 0);
  }

    assertTrue(toTest, toTest.matches(".*\\{\\}"));
  }

  public void testConstructor_stringObject() {
    String toTest = MoreObjects.toStringHelper("FooBar").toString();
    assertEquals("FooBar{}", toTest);
  }

  @GwtIncompatible // Class names are obfuscated in GWT
  public void testToStringHelper_localInnerClass() {
    // Local inner classes have names ending like "Outer.$1Inner"

  }

  public void testEncodedLength_invalidStrings() {
    testEncodedLengthFails(newString(MIN_HIGH_SURROGATE), 0);
    testEncodedLengthFails("foobar" + newString(MIN_HIGH_SURROGATE), 6);
    testEncodedLengthFails(newString(MIN_LOW_SURROGATE), 0);
    testEncodedLengthFails("foobar" + newString(MIN_LOW_SURROGATE), 6);
    testEncodedLengthFails(newString(MIN_HIGH_SURROGATE, MIN_HIGH_SURROGATE), 0);
  }

   * the sequence will be returned as a string with no changes to the content.
   *
   * <p>Examples:
   *
   * <pre>{@code
   * Ascii.truncate("foobar", 7, "..."); // returns "foobar"
   * Ascii.truncate("foobar", 5, "..."); // returns "fo..."
   * }</pre>
   *
   * <p><b>Note:</b> This method <i>may</i> work with certain non-ASCII text but is not safe for use

/**
 * Tests for the MacHashFunction.
 *
 * @author Kurt Alfred Kluever
 */
public class MacHashFunctionTest extends TestCase {

  private static final ImmutableSet<String> INPUTS = ImmutableSet.of("", "Z", "foobar");

  private static final SecretKey MD5_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacMD5");
  private static final SecretKey SHA1_KEY =
      new SecretKeySpec("secret key".getBytes(UTF_8), "HmacSHA1");

    assertTrue(toTest, toTest.matches(".*\\{\\}"));
  }

  public void testConstructor_stringObject() {
    String toTest = MoreObjects.toStringHelper("FooBar").toString();
    assertEquals("FooBar{}", toTest);
  }

  @GwtIncompatible // Class names are obfuscated in GWT
  public void testToStringHelper_localInnerClass() {
    // Local inner classes have names ending like "Outer.$1Inner"

   * the sequence will be returned as a string with no changes to the content.
   *
   * <p>Examples:
   *
   * <pre>{@code
   * Ascii.truncate("foobar", 7, "..."); // returns "foobar"
   * Ascii.truncate("foobar", 5, "..."); // returns "fo..."
   * }</pre>
   *
   * <p><b>Note:</b> This method <i>may</i> work with certain non-ASCII text but is not safe for use

    Executor renamingExecutor =
        renamingDecorator(newDirectExecutorService(), Suppliers.ofInstance("FooBar"));
    String oldName = Thread.currentThread().getName();
    renamingExecutor.execute(
        new Runnable() {
          @Override
          public void run() {
            assertEquals("FooBar", Thread.currentThread().getName());
          }
        });