for (Method method : getInstanceMethodsToTest(instance.getClass(), minimalVisibility)) {
      testMethod(instance, method);
    }
  }

  ImmutableList<Method> getInstanceMethodsToTest(Class<?> c, Visibility minimalVisibility) {
    ImmutableList.Builder<Method> builder = ImmutableList.builder();
    for (Method method : minimalVisibility.getInstanceMethods(c)) {

   *   <li>If there is no visible constructor or visible static factory method declared by {@code
   *       C}, instance methods are skipped for nulls test.
   *   <li>Nulls test is not performed on method return values unless the method is a visible static
   *       factory method whose return type is {@code C} or {@code C}'s subtype.
   * </ul>
   *

   *       {@code cls}, no test is performed.
   *   <li>Equality test is not performed on method return values unless the method is a non-private
   *       static factory method whose return type is {@code cls} or {@code cls}'s subtype.
   *   <li>Inequality check is not performed against state mutation methods such as {@link
   *       List#add}, or functional update methods such as {@link

    final Method method;

    MethodInvokable(Method method) {
      super(method);
      this.method = method;
    }

    @Override
    @CheckForNull
    final Object invokeInternal(@CheckForNull Object receiver, @Nullable Object[] args)
        throws InvocationTargetException, IllegalAccessException {
      return method.invoke(receiver, args);
    }

    @Override

      Class<?> c, ImmutableSet<String> ignore) {
    ImmutableSet.Builder<String> methods = ImmutableSet.builder();
    for (Method method : c.getMethods()) {
      if (Modifier.isStatic(method.getModifiers()) || ignore.contains(method.getName())) {
        continue;
      }
      StringBuilder signature =
          new StringBuilder()
              .append(typeName(method.getReturnType()))
              .append(" ")

    for (Method method : clazz.getDeclaredMethods()) {
      if (method.getReturnType().equals(HashFunction.class) // must return HashFunction
          && Modifier.isPublic(method.getModifiers()) // only the public methods
          && method.getParameterTypes().length != 0 // only the seeded hash functions
          && !method.getName().equals("concatenating") // don't test Hashing.concatenating()

            public Object handleInvocation(Object proxy, Method method, Object[] args) {
              // Crude, but acceptable until we can use Java 8.  Other
              // methods have default implementations, and it is hard to
              // distinguish.
              if (method.getName().equals(JUF_METHODS.get(typeName))) {
                return getDefaultValue(type.method(method).getReturnType());
              }

            public Object handleInvocation(Object proxy, Method method, Object[] args) {
              // Crude, but acceptable until we can use Java 8.  Other
              // methods have default implementations, and it is hard to
              // distinguish.
              if (method.getName().equals(JUF_METHODS.get(typeName))) {
                return getDefaultValue(type.method(method).getReturnType());
              }

                ? getAllStates()
                : invokeListMethod(method, args);
          }

          private Set<List<Integer>> getAllStates() {
            return allStates;
          }

          private Object invokeListMethod(Method method, Object[] args) throws Throwable {
            try {
              Object returnValue = method.invoke(delegate, args);

      String name, CharSinkFactory factory, String string, String desc) {
    TestSuite stringSuite = new TestSuite(name + " [" + desc + "]");
    for (final Method method : testMethods) {
      stringSuite.addTest(new CharSinkTester(factory, string, name, desc, method));
    }
    return stringSuite;
  }

  private final ImmutableList<String> lines;
  private final ImmutableList<String> expectedLines;