test_types_extras.py 文件源码

def test_le_ordering(self):
        from psycopg2.extras import Range
        self.assert_(Range(empty=True) <= Range(0, 4))
        self.assert_(not Range(1, 2) <= Range(0, 4))
        self.assert_(Range(0, 4) <= Range(1, 2))
        self.assert_(not Range(1, 2) <= Range())
        self.assert_(Range() <= Range(1, 2))
        self.assert_(not Range(1) <= Range(upper=1))
        self.assert_(Range() <= Range())
        self.assert_(Range(empty=True) <= Range(empty=True))
        self.assert_(Range(1, 2) <= Range(1, 2))
        with py3_raises_typeerror():
            self.assert_(1 <= Range(1, 2))
        with py3_raises_typeerror():
            self.assert_(not Range(1, 2) <= 1)