aoqi@0: /*
aoqi@0:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
attila@962:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
attila@962:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * JDK-8044520: Nashorn cannot execute node.js's express module
aoqi@0:  *
aoqi@0:  * @test
aoqi@0:  * @run
aoqi@0:  */
aoqi@0: 
aoqi@0: function checkNullProto() {
aoqi@0:     var obj = {};
aoqi@0:     obj.__proto__ = null;
aoqi@0:     var proto = Object.getPrototypeOf(obj);
aoqi@0:     if (typeof proto != 'object' || proto !== null) {
aoqi@0:         fail("__proto__ can't be set to null!");
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: checkNullProto();
aoqi@0: 
aoqi@0: function checkSetProto(proto) {
aoqi@0:     var obj = {};
aoqi@0:     obj.__proto__ = proto;
aoqi@0:     if (Object.getPrototypeOf(obj) !== Object.prototype) {
aoqi@0:         fail("obj.__proto__ set not ignored for " + proto);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: checkSetProto(undefined);
aoqi@0: checkSetProto(42);
aoqi@0: checkSetProto(false);
aoqi@0: checkSetProto("hello");
aoqi@0: 
aoqi@0: function checkLiteralSetProto(proto) {
aoqi@0:     var obj = { __proto__: proto };
aoqi@0:     if (obj.__proto__ !== Object.prototype) {
aoqi@0:         fail("object literal _proto__ set not ignored for " + proto);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: checkLiteralSetProto(undefined);
aoqi@0: checkLiteralSetProto(34);
aoqi@0: checkLiteralSetProto(true);
aoqi@0: checkLiteralSetProto("world");
aoqi@0: 
aoqi@0: function checkNullProtoFromLiteral() {
aoqi@0:     var obj = { __proto__: null };
aoqi@0:     var proto = Object.getPrototypeOf(obj);
aoqi@0:     if (typeof proto != 'object' || proto !== null) {
aoqi@0:         fail("__proto__ can't be set to null!");
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: checkNullProtoFromLiteral();
aoqi@0: 
aoqi@0: function checkSetPrototypeOf(proto) {
aoqi@0:     try {
aoqi@0:         Object.setPrototypeOf({}, proto);
aoqi@0:         fail("should have thrown error for " + proto);
aoqi@0:     } catch (e) {
aoqi@0:         if (! (e instanceof TypeError)) {
aoqi@0:             fail("should have thrown TypeError, got " + e);
aoqi@0:         }
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: checkSetPrototypeOf(undefined);
aoqi@0: checkSetPrototypeOf(43);
aoqi@0: checkSetPrototypeOf(false);
aoqi@0: checkSetPrototypeOf("nashorn");
aoqi@0: 
aoqi@0: function checkNullSetPrototypeOf() {
aoqi@0:     var obj = { };
aoqi@0:     Object.setPrototypeOf(obj, null);
aoqi@0:     var proto = Object.getPrototypeOf(obj);
aoqi@0:     if (typeof proto != 'object' || proto !== null) {
aoqi@0:         fail("__proto__ can't be set to null!");
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: checkNullSetPrototypeOf();
aoqi@0: 
aoqi@0: var desc = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__");
aoqi@0: 
aoqi@0: function checkProtoGetterOnPrimitive(value) {
aoqi@0:     // call __proto__ getter on primitive - check ToObject
aoqi@0:     // is called on 'this' value as per draft spec
aoqi@0:     if (desc.get.call(value) !== Object(value).__proto__) {
aoqi@0:         fail("can't call __proto__ getter on " + value);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: checkProtoGetterOnPrimitive(32);
aoqi@0: checkProtoGetterOnPrimitive(false);
aoqi@0: checkProtoGetterOnPrimitive("great!");
aoqi@0: 
aoqi@0: function checkProtoSetterOnNonObjectThis(self) {
aoqi@0:     try {
aoqi@0:         desc.set.call(self);
aoqi@0:         fail("should have thrown TypeError");
aoqi@0:     } catch (e) {
aoqi@0:         if (! (e instanceof TypeError)) {
aoqi@0:             fail("should throw TypeError on non-object self, got " +e);
aoqi@0:         }
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: checkProtoSetterOnNonObjectThis(undefined);
aoqi@0: checkProtoSetterOnNonObjectThis(null);
aoqi@0: 
aoqi@0: function checkProtoSetterReturnValue(obj, p) {
aoqi@0:     if (typeof desc.set.call(obj, p) != "undefined") {
aoqi@0:         fail("__proto__ setter does not return undefined: " + obj + " " + p);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // try non-object 'this'. setter is expected to return undefined.
aoqi@0: checkProtoSetterReturnValue(23);
aoqi@0: checkProtoSetterReturnValue(false);
aoqi@0: checkProtoSetterReturnValue("foo");
aoqi@0: 
aoqi@0: // set proper __proto__. Still return value is undefined.
aoqi@0: checkProtoSetterReturnValue({}, {});
aoqi@0: checkProtoSetterReturnValue({}, null);