testSetProperty.cpp (2002B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 * vim: set ts=8 sts=2 et sw=2 tw=80: 3 */ 4 /* This Source Code Form is subject to the terms of the Mozilla Public 5 * License, v. 2.0. If a copy of the MPL was not distributed with this 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 7 8 #include "js/Object.h" // JS::GetClass 9 #include "js/PropertyAndElement.h" // JS_DefineProperty 10 #include "jsapi-tests/tests.h" 11 12 BEGIN_TEST(testSetProperty_InheritedGlobalSetter) { 13 // This is a JSAPI test because jsapi-test globals can be set up to not have 14 // a resolve hook and therefore can use the property cache in some cases 15 // where the shell can't. 16 MOZ_RELEASE_ASSERT(!JS::GetClass(global)->getResolve()); 17 18 CHECK(JS::InitRealmStandardClasses(cx)); 19 20 CHECK(JS_DefineProperty(cx, global, "HOTLOOP", 8, 0)); 21 EXEC( 22 "var n = 0;\n" 23 "var global = this;\n" 24 "function f() { n++; }\n" 25 "Object.defineProperty(Object.prototype, 'x', {set: f});\n" 26 "for (var i = 0; i < HOTLOOP; i++)\n" 27 " global.x = i;\n"); 28 EXEC( 29 "if (n != HOTLOOP)\n" 30 " throw 'FAIL';\n"); 31 return true; 32 } 33 34 const JSClass* getGlobalClass(void) override { 35 static const JSClassOps noResolveGlobalClassOps = { 36 nullptr, // addProperty 37 nullptr, // delProperty 38 nullptr, // enumerate 39 nullptr, // newEnumerate 40 nullptr, // resolve 41 nullptr, // mayResolve 42 nullptr, // finalize 43 nullptr, // call 44 nullptr, // construct 45 JS_GlobalObjectTraceHook, // trace 46 }; 47 48 static const JSClass noResolveGlobalClass = { 49 "testSetProperty_InheritedGlobalSetter_noResolveGlobalClass", 50 JSCLASS_GLOBAL_FLAGS, 51 &noResolveGlobalClassOps, 52 }; 53 54 return &noResolveGlobalClass; 55 } 56 END_TEST(testSetProperty_InheritedGlobalSetter)