def test_multiply_type_set():
"""
this example test a simple mulitply, tested with TypeSet
"""
value = TypeSet.run(MUL_IF_LESS, number=2)
assert_equal(value, TypeSet.const(20))
assert_equal(value, TypeSet.INTEGER)
value = TypeSet.run(MUL_IF_LESS, number=2.0)
assert_equal(value, TypeSet.extremum)
