test_translator.py 文件源码

def test_noteq(self):
        # object comparison not yet supported
        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))