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9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
97 lines
2.1 KiB
JavaScript
97 lines
2.1 KiB
JavaScript
// Copyright 2024 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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(function TestCallableObjectAsPropertyGetterOrSetter() {
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let log = [];
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const target_function_name = "callable_obj_target";
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let property_storage = 42;
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globalThis[target_function_name] = function(...args) {
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if (args.length == 0) {
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// get request
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log.push("get");
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return property_storage;
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} else {
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// set request
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assertEquals(args.length, 1);
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log.push("set");
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property_storage = args[0];
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return true;
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}
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}
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let callable_obj = %GetCallable(target_function_name);
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log.push(callable_obj());
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property_storage = 55;
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log.push(callable_obj(153));
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assertEquals(property_storage, 153);
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assertEquals(["get", 42, "set", true], log);
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let p = {};
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Object.defineProperty(
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p, "x",
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{
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get: callable_obj,
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set: callable_obj,
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configurable: true
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});
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// Test accessors on receiver.
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log = [];
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function f(o, v) {
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o.x = v;
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return o.x;
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}
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%PrepareFunctionForOptimization(f);
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for (let i = 0; i < 5; i++) {
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log.push(property_storage);
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log.push(f(p, i));
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}
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%OptimizeFunctionOnNextCall(f);
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log.push(f(p, 572));
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assertEquals(
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[
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153, "set", "get", 0,
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0, "set", "get", 1,
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1, "set", "get", 2,
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2, "set", "get", 3,
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3, "set", "get", 4,
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"set", "get", 572
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],
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log);
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// Test accessors on the prototype chain.
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log = [];
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function f(o, v) {
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o.x = v;
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return o.x;
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}
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let o = Object.create(p);
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%PrepareFunctionForOptimization(f);
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for (let i = 0; i < 5; i++) {
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log.push(property_storage);
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log.push(f(o, i));
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}
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%OptimizeFunctionOnNextCall(f);
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log.push(f(o, 157));
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assertEquals(
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[
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572, "set", "get", 0,
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0, "set", "get", 1,
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1, "set", "get", 2,
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2, "set", "get", 3,
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3, "set", "get", 4,
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"set", "get", 157
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],
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log);
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})();
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