| // 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); |