assertNull(new TypeToken<Object>() {}.getGenericSuperclass());
    assertEquals(TypeToken.of(Object.class), new TypeToken<Object[]>() {}.getGenericSuperclass());
    assertNull(new TypeToken<List<String>>() {}.getGenericSuperclass());
    assertEquals(
        TypeToken.of(Object.class), new TypeToken<List<String>[]>() {}.getGenericSuperclass());
  }

  public void testGetGenericSuperclass_withSuperclass() {

    assertNull(new TypeToken<Object>() {}.getGenericSuperclass());
    assertEquals(TypeToken.of(Object.class), new TypeToken<Object[]>() {}.getGenericSuperclass());
    assertNull(new TypeToken<List<String>>() {}.getGenericSuperclass());
    assertEquals(
        TypeToken.of(Object.class), new TypeToken<List<String>[]>() {}.getGenericSuperclass());
  }

  public void testGetGenericSuperclass_withSuperclass() {

    assertEquals(null, ourType.getOwnerType());
  }

  public void testNewParameterizedType_nonStaticLocalClass() {
    class LocalClass<T> {}
    Type jvmType = new LocalClass<String>() {}.getClass().getGenericSuperclass();
    Type ourType = Types.newParameterizedType(LocalClass.class, String.class);
    assertEquals(jvmType, ourType);
  }

  public void testNewParameterizedType_staticLocalClass() {

    assertEquals(null, ourType.getOwnerType());
  }

  public void testNewParameterizedType_nonStaticLocalClass() {
    class LocalClass<T> {}
    Type jvmType = new LocalClass<String>() {}.getClass().getGenericSuperclass();
    Type ourType = Types.newParameterizedType(LocalClass.class, String.class);
    assertEquals(jvmType, ourType);
  }

  public void testNewParameterizedType_staticLocalClass() {

      // requireNonNull is safe because we're examining a type that's known to have a superclass.
      ParameterizedType parameterizedType =
          requireNonNull((ParameterizedType) subclass.getGenericSuperclass());
      for (ClassOwnership behavior : ClassOwnership.values()) {
        if (behavior.getOwnerType(LocalClass.class) == parameterizedType.getOwnerType()) {
          return behavior;
        }
      }