fail();
    } catch (IllegalArgumentException expected) {
      // Type variables aren't allowed.
    }
  }

  @SuppressWarnings("rawtypes") // purpose is to test raw type
  public void testGetSubtype_fromRawClass() {
    assertEquals(List.class, new TypeToken<Iterable>() {}.getSubtype(List.class).getType());
  }

  public void testGetSubtype_fromArray() {
    assertEquals(