// Copyright 2018 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. // Deeply nested target. let proxy = new Proxy(function(){}, {}); for (let i = 0; i < 100000; i++) { proxy = new Proxy(proxy, {}); } // Ensure these nested calls don't segfault. They may not all throw exceptions // depending on whether the compiler is able to perform tail call optimization // on the affected routines. try { Reflect.apply(proxy, {}, []) } catch(_) {} try { Reflect.construct(proxy, []) } catch(_) {} try { Reflect.defineProperty(proxy, "x", {}) } catch(_) {} try { Reflect.deleteProperty(proxy, "x") } catch(_) {} try { Reflect.get(proxy, "x") } catch(_) {} try { Reflect.getOwnPropertyDescriptor(proxy, "x") } catch(_) {} try { Reflect.getPrototypeOf(proxy) } catch(_) {} try { Reflect.has(proxy, "x") } catch(_) {} try { Reflect.isExtensible(proxy) } catch(_) {} try { Reflect.ownKeys(proxy) } catch(_) {} try { Reflect.preventExtensions(proxy) } catch(_) {} try { Reflect.setPrototypeOf(proxy, {}) } catch(_) {} try { Reflect.set(proxy, "x", {}) } catch(_) {} // Recursive handler. function run(trap, ...args) { let handler = {}; const proxy = new Proxy(function(){}, handler); handler[trap] = (target, ...args) => Reflect[trap](proxy, ...args); return Reflect[trap](proxy, ...args); } assertThrows(() => run("apply", {}, []), RangeError); assertThrows(() => run("construct", []), RangeError); assertThrows(() => run("defineProperty", "x", {}), RangeError); assertThrows(() => run("deleteProperty", "x"), RangeError); assertThrows(() => run("get", "x"), RangeError); assertThrows(() => run("getOwnPropertyDescriptor", "x"), RangeError); assertThrows(() => run("has", "x"), RangeError); assertThrows(() => run("isExtensible"), RangeError); assertThrows(() => run("ownKeys"), RangeError); assertThrows(() => run("preventExtensions"), RangeError); assertThrows(() => run("setPrototypeOf", {}), RangeError); assertThrows(() => run("set", "x", {}), RangeError);