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27 lines
883 B
JavaScript
27 lines
883 B
JavaScript
// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-proxy-object-internal-methods-and-internal-slots-call-thisargument-argumentslist
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description: >
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If "apply" trap is null or undefined, [[Call]] is properly
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forwarded to [[ProxyTarget]] (which is also a Proxy object).
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info: |
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[[Call]] ( thisArgument, argumentsList )
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[...]
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4. Let target be O.[[ProxyTarget]].
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5. Let trap be ? GetMethod(handler, "apply").
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6. If trap is undefined, then
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a. Return ? Call(target, thisArgument, argumentsList).
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features: [Proxy, Reflect]
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---*/
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var hasOwn = Object.prototype.hasOwnProperty;
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var hasOwnTarget = new Proxy(hasOwn, {});
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var hasOwnProxy = new Proxy(hasOwnTarget, {});
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var obj = {foo: 1};
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assert(hasOwnProxy.call(obj, "foo"));
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assert(!Reflect.apply(hasOwnProxy, obj, ["bar"]));
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