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