test_translator.py 文件源码

def test_lessthan(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))