test_etree.py 文件源码

def test_index(self):
        etree = self.etree
        e = etree.Element('foo')
        for i in range(10):
            etree.SubElement(e, 'a%s' % i)
        for i in range(10):
            self.assertEqual(
                i,
                e.index(e[i]))
        self.assertEqual(
            3, e.index(e[3], 3))
        self.assertRaises(
            ValueError, e.index, e[3], 4)
        self.assertRaises(
            ValueError, e.index, e[3], 0, 2)
        self.assertRaises(
            ValueError, e.index, e[8], 0, -3)
        self.assertRaises(
            ValueError, e.index, e[8], -5, -3)
        self.assertEqual(
            8, e.index(e[8], 0, -1))
        self.assertEqual(
            8, e.index(e[8], -12, -1))
        self.assertEqual(
            0, e.index(e[0], -12, -1))