/** Runs {@link #testConstructor} on every public constructor in class {@code c}. */
  public void testAllPublicConstructors(Class<?> c) {
    testConstructors(c, Visibility.PUBLIC);
  }

  /**
   * Runs {@link #testMethod} on every static method of class {@code c} that has at least {@code
   * minimalVisibility}, including those "inherited" from superclasses of the same package.
   */

  // Internal implementations of some classes, with public default constructor that get() needs.
  private static final class Dummies {

    public static final class InMemoryPrintStream extends PrintStream {
      public InMemoryPrintStream() {
        super(new ByteArrayOutputStream());
      }
    }

    public static final class InMemoryPrintWriter extends PrintWriter {
      public InMemoryPrintWriter() {

  // Internal implementations of some classes, with public default constructor that get() needs.
  private static final class Dummies {

    public static final class InMemoryPrintStream extends PrintStream {
      public InMemoryPrintStream() {
        super(new ByteArrayOutputStream());
      }
    }

    public static final class InMemoryPrintWriter extends PrintWriter {
      public InMemoryPrintWriter() {

            current = classesContainingMethod.get(i)
            if (!isInternal(current)) {
                // there's another public super class which contains target method
                // it would be reported somewhere else
                return false
            }
        }

        // I'm the top public class which contains target method
        return true
    }

 * @author Kurt Alfred Kluever
 */
public class HashingTest extends TestCase {
  public void testMd5() {
    HashTestUtils.checkAvalanche(Hashing.md5(), 100, 0.4);
    HashTestUtils.checkNo2BitCharacteristics(Hashing.md5());
    HashTestUtils.checkNoFunnels(Hashing.md5());
    HashTestUtils.assertInvariants(Hashing.md5());
    assertEquals("Hashing.md5()", Hashing.md5().toString());
  }

  public void testSha1() {

    for (Method method : AbstractFutureTest.class.getDeclaredMethods()) {
      if (Modifier.isPublic(method.getModifiers()) && method.getName().startsWith("test")) {
        suite.addTest(
            TestSuite.createTest(AbstractFutureFallbackAtomicHelperTest.class, method.getName()));
      }
    }
    return suite;
  }

  @Override
  public void runTest() throws Exception {

    @Override
    public boolean isPublic() {
        return FieldUtil.isPublicField(field);
    }

    @Override
    public boolean isStatic() {
        return !FieldUtil.isInstanceField(field);
    }

    @Override
    public boolean isFinal() {
        return FieldUtil.isFinalField(field);
    }

    @Override
    public boolean isParameterized() {

    for (Method method : FuturesTest.class.getDeclaredMethods()) {
      if (Modifier.isPublic(method.getModifiers()) && method.getName().startsWith("test")) {
        suite.addTest(
            TestSuite.createTest(
                AggregateFutureStateFallbackAtomicHelperTest.class, method.getName()));
      }
    }
    return suite;
  }

  @Override
  public void runTest() throws Exception {

     * @param field
     *            フィールド。{@literal null}であってはいけません
     * @return パブリックフィールドなら{@literal true}
     */
    public static boolean isPublicField(final Field field) {
        assertArgumentNotNull("field", field);

        return Modifier.isPublic(field.getModifiers());
    }

    /**
     * ファイナルフィールドかどうか返します。
     *
     * @param field
     *            フィールド。{@literal null}であってはいけません

     */
    public static boolean isAbstract(final Method method) {
        return Modifier.isAbstract(method.getModifiers());
    }

    /**
     * <code>public</code>かどうかを返します。
     *
     * @param method
     *            メソッド。{@literal null}であってはいけません
     * @return <code>public</code>なら{@literal true}
     */
    public static boolean isPublic(final Method method) {