test_types_extras.py 文件源码

def test_bounds(self):
        from psycopg2.extras import Range
        for bounds, lower_inc, upper_inc in [
                ('[)', True, False),
                ('(]', False, True),
                ('()', False, False),
                ('[]', True, True)]:
            r = Range(10, 20, bounds)
            self.assertEqual(r.lower, 10)
            self.assertEqual(r.upper, 20)
            self.assertTrue(not r.isempty)
            self.assertTrue(not r.lower_inf)
            self.assertTrue(not r.upper_inf)
            self.assertEqual(r.lower_inc, lower_inc)
            self.assertEqual(r.upper_inc, upper_inc)