v8/test/mjsunit/es6/regress/regress-9234.js
Z Duong Nguyen-Huu 2dd0db19ba Reland of Port Proxy SetProperty trap builtin to Torque
Reverted CL is in https://chromium-review.googlesource.com/c/v8/v8/+/1585269
This includes fix for ThrowTypeErrorIfStrict and add regression test.

Spec: https://tc39.github.io/ecma262/#sec-proxy-object-internal-methods-and-internal-slots-set-p-v-receiver
Bug: v8:6664, v8:9234
Change-Id: I785df3f12f619e2e0fe7b011b72043758e4083e3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1604071
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#61497}
2019-05-14 18:06:46 +00:00

36 lines
828 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: --allow-natives-syntax
(function returnFalsishStrict() {
"use strict";
function trySet(o) {
o["bla"] = 0;
}
var proxy = new Proxy({}, {});
var proxy2 = new Proxy({}, { set() { return ""; } });
trySet(proxy);
trySet(proxy);
assertThrows(() => trySet(proxy2), TypeError);
})();
(function privateSymbolStrict() {
"use strict";
var proxy = new Proxy({}, {});
var proxy2 = new Proxy({a: 1}, { set() { return true; } });
function trySet(o) {
var symbol = o == proxy2 ? %CreatePrivateSymbol("private"): 1;
o[symbol] = 0;
}
trySet(proxy);
trySet(proxy);
assertThrows(() => trySet(proxy2), TypeError);
})();