test_translator.py 文件源码

def test_lessthaneq(self):
        node = ast.parse("1 <= 3")
        self.assertEqual("(1 <= 3)", self.fc.visit(node))

        node = ast.parse("1 <= 3 <= 4")
        self.assertEqual("(1 <= 3 && 3 <= 4)", self.fc.visit(node))

        node = ast.parse("a <= 1")
        self.assertEqual("(a <= 1)", self.fc.visit(node))

        node = ast.parse("a <= b <= c")
        self.assertEqual("(a <= b && b <= c)", self.fc.visit(node))

        node = ast.parse("a <= x.some_method(b)")
        self.assertEqual("(a <= x.some_method(b))", self.fc.visit(node))

        node = ast.parse("x.some_method(a) <= x.some_method(b) " +
                         "<= x.some_method(c) <= x.some_method(d)")
        self.assertEqual("(x.some_method(a) <= x.some_method(b) " +
                         "&& x.some_method(b) <= x.some_method(c) " +
                         "&& x.some_method(c) <= x.some_method(d))",
                         self.fc.visit(node))