/*

 * Copyright (c) 2015, 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.

 */

/**

 * Make sure ECMAScript 6 features are not available in ES5 mode.

 *

 * @test

 * @run

 */

function checkUndefined(name, object) {

    if (typeof object[name] !== 'undefined' || name in object) {

        Assert.fail(name + ' is defined in ' + object);

    }

}

checkUndefined('Symbol', this);

checkUndefined('Map', this);

checkUndefined('Set', this);

checkUndefined('WeakMap', this);

checkUndefined('WeakSet', this);

checkUndefined('getOwnPropertySymbols', Object);

checkUndefined('entries', Array.prototype);

checkUndefined('values', Array.prototype);

checkUndefined('keys', Array.prototype);

function expectError(src, msg, error) {

    try {

        eval(src);

        Assert.fail(msg);

    } catch (e) {

        if (e.name !== error) {

            Assert.fail('Unexpected error: ' + e);

        }

    }

}

expectError('let i = 0', 'let', 'SyntaxError');

expectError('const i = 0', 'const', 'SyntaxError');

expectError('for (let i = 0; i < 10; i++) print(i)', 'for-let', 'SyntaxError');

expectError('0b0', 'numeric literal', 'SyntaxError');

expectError('0o0', 'numeric litera', 'SyntaxError');

expectError('`text`', 'template literal', 'SyntaxError');

expectError('`${ x }`', 'template literal', 'SyntaxError');

expectError('`text ${ x } text`', 'template literal', 'SyntaxError');

expectError('f`text`', 'template literal', 'SyntaxError');

expectError('for (a of [1, 2, 3]) print(a)', 'for-of', 'SyntaxError');

expectError('for (var a of [1, 2, 3]) print(a)', 'for-of', 'SyntaxError');

expectError('for (let a of [1, 2, 3]) print(a)', 'for-of', 'SyntaxError');

expectError('for (const a of [1, 2, 3]) print(a)', 'for-of', 'SyntaxError');