@Test
public void should_return_a_valid_rotatex_function_object_mix_uppercase_lowercase_test() {

  StandardFunction function = StandardFunctionFactory.getByName("rotateX");
  assertEquals(Rotatex.class, function.getClass());
  assertEquals(function.getName(), "rotatex");
  assertEquals(function.getLinks().size(), 1);
  assertEquals(function.getLinks().get(0), "https://drafts.csswg.org/css-transforms/#three-d-transform-functions");
  assertEquals(function.isExperimental(), false);
  assertEquals(function.isObsolete(), false);
}