test262/test/language/expressions/optional-chaining/super-property-optional-call.js
Benjamin E. Coe 0ea69c7864 feat: regression tests for optional call (#2429)
* feat: regression tests for optional call

* chore: address code review

* chore: fix assertion

* chore: set context rather than return context
2019-12-18 11:35:28 -05:00

31 lines
657 B
JavaScript

// Copyright 2019 Google, LLC. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-OptionalExpression
description: >
optional call invoked on super method should be equivalent to call
info: |
OptionalExpression
MemberExpression OptionalChain
SuperProperty OptionalChain
features: [optional-chaining]
---*/
let called = false;
let context;
class Base {
method() {
called = true;
context = this;
}
}
class Foo extends Base {
method() {
super.method?.();
}
}
const foo = new Foo();
foo.method();
assert(foo === context);
assert.sameValue(called, true);