test262/test/built-ins/Proxy/apply/trap-is-null-target-is-prox...

32 lines
911 B
JavaScript

// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-proxy-object-internal-methods-and-internal-slots-call-thisargument-argumentslist
description: >
If "apply" trap is null or undefined, [[Call]] is properly
forwarded to [[ProxyTarget]] (which is also a Proxy object).
info: |
[[Call]] ( thisArgument, argumentsList )
[...]
4. Let target be O.[[ProxyTarget]].
5. Let trap be ? GetMethod(handler, "apply").
6. If trap is undefined, then
a. Return ? Call(target, thisArgument, argumentsList).
features: [Proxy]
---*/
var sum = function(a, b) {
return this.foo + a + b;
};
var sumBound = sum.bind({foo: 10}, 1);
var sumTarget = new Proxy(sumBound, {});
var sumProxy = new Proxy(sumTarget, {
apply: null,
});
assert.sameValue(sumProxy(2), 13);
assert.sameValue(sumProxy.call({foo: 20}, 3), 14);