/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * vim: set ts=8 sts=4 et sw=4 tw=99: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "jsapi-tests/tests.h" BEGIN_TEST(testForwardSetProperty) { JS::RootedValue v1(cx); EVAL("var foundValue; \n" "var obj1 = { set prop(val) { foundValue = this; } }; \n" "obj1;", &v1); JS::RootedValue v2(cx); EVAL("var obj2 = Object.create(obj1); \n" "obj2;", &v2); JS::RootedValue v3(cx); EVAL("var obj3 = {}; \n" "obj3;", &v3); JS::RootedObject obj1(cx, &v1.toObject()); JS::RootedObject obj2(cx, &v2.toObject()); JS::RootedObject obj3(cx, &v3.toObject()); JS::RootedValue setval(cx, JS::Int32Value(42)); JS::RootedValue propkey(cx); EVAL("'prop';", &propkey); JS::RootedId prop(cx); CHECK(JS_ValueToId(cx, propkey, &prop)); EXEC("function assertEq(a, b, msg) \n" "{ \n" " if (!Object.is(a, b)) \n" " throw new Error('Assertion failure: ' + msg); \n" "}"); // Non-strict setter CHECK(JS_ForwardSetPropertyTo(cx, obj2, prop, v3, true, setval)); EXEC("assertEq(foundValue, obj3, 'wrong receiver passed to setter');"); CHECK(JS_ForwardSetPropertyTo(cx, obj2, prop, setval, true, setval)); EXEC("assertEq(typeof foundValue === 'object', true, \n" " 'passing 42 as receiver to non-strict setter ' + \n" " 'must box');"); EXEC("assertEq(foundValue instanceof Number, true, \n" " 'passing 42 as receiver to non-strict setter ' + \n" " 'must box to a Number');"); EXEC("assertEq(foundValue.valueOf(), 42, \n" " 'passing 42 as receiver to non-strict setter ' + \n" " 'must box to new Number(42)');"); // Strict setter EVAL("obj1 = { set prop(val) { 'use strict'; foundValue = this; } }; \n" "obj1;", &v1); CHECK(JS_ForwardSetPropertyTo(cx, obj2, prop, v3, true, setval)); EXEC("assertEq(foundValue, obj3, 'wrong receiver passed to strict setter');"); CHECK(JS_ForwardSetPropertyTo(cx, obj2, prop, setval, true, setval)); JS::RootedValue strictSetSupported(cx); EVAL("var strictSetSupported = false; \n" "Object.defineProperty(Object.prototype, \n" " 'strictSetter', \n" " { \n" " set(v) { \n" " 'use strict'; \n" " strictSetSupported = \n" " typeof this === 'number'; \n" " } \n" " }); \n" "17..strictSetter = 42; \n" "strictSetSupported;", &strictSetSupported); CHECK(strictSetSupported.isBoolean()); if (strictSetSupported.toBoolean()) { // XXX Bug 603201 will fix this. MOZ_ASSERT(false, "remove the support-testing check when bug 603201 is fixt"); EXEC("assertEq(foundValue, 42, \n" " '42 passed as receiver to strict setter ' + \n" " 'was mangled');"); } return true; } END_TEST(testForwardSetProperty)