25 lines
782 B
JavaScript
25 lines
782 B
JavaScript
|
// Copyright 2019 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
// Flags: --harmony-optional-chaining
|
||
|
|
|
||
|
|
const o = { m() { return this; }, p: 42 };
|
||
|
|
const p = { o: o };
|
||
|
|
|
||
|
|
function id(x) { return x; }
|
||
|
|
|
||
|
|
assertEquals(o?.m().p, 42);
|
||
|
|
assertEquals((o?.m)().p, 42);
|
||
|
|
assertEquals(o?.m(), (o?.m)());
|
||
|
|
assertEquals(p?.o?.m().p, 42);
|
||
|
|
assertEquals((p?.o?.m)().p, 42);
|
||
|
|
assertEquals(p?.o?.m(), (p?.o?.m)());
|
||
|
|
|
||
|
|
assertEquals(o?.[id('m')]().p, 42);
|
||
|
|
assertEquals((o?.[id('m')])().p, 42);
|
||
|
|
assertEquals(o?.[id('m')](), (o?.[id('m')])());
|
||
|
|
assertEquals(p?.[id('o')]?.[id('m')]().p, 42);
|
||
|
|
assertEquals((p?.[id('o')]?.[id('m')])().p, 42);
|
||
|
|
assertEquals(p?.[id('o')]?.[id('m')](), (p?.[id('o')]?.[id('m')])());
|