/*+
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 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.+
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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 * +
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 * This code is free software; you can redistribute it and/or modify it+
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 * under the terms of the GNU General Public License version 2 only, as+
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 * published by the Free Software Foundation.+
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 * +
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 * This code is distributed in the hope that it will be useful, but WITHOUT+
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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 * version 2 for more details (a copy is included in the LICENSE file that+
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 * accompanied this code).+
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 * +
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 * You should have received a copy of the GNU General Public License version+
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 * 2 along with this work; if not, write to the Free Software Foundation,+
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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 * +
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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 * or visit www.oracle.com if you need additional information or have any+
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 * questions.+
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 */+
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+
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/**+
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 * NASHORN-207 : implement strict mode+
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 *+
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 * @test+
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 * @run+
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 */+
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+
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'use strict';+
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+
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// cannot delete a variable+
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try {+
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    eval("var fooVar = 3; delete fooVar;");+
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    fail("#1 should have thrown SyntaxError");+
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} catch (e) {+
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    if (! (e instanceof SyntaxError)) {+
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        fail("#2 SyntaxError expected but got " + e);+
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    } +
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}+
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+
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// cannot delete function parameter variable+
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try {+
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    eval("function func(a) { delete a; }; func(2);");+
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    fail("#3 should have thrown SyntaxError");+
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} catch(e) {+
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    if (! (e instanceof SyntaxError)) {+
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        fail("#4 SyntaxError expected but got " + e);+
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    } +
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}+
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+
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// assignment can't be used to define as new variable+
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try {+
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    bar = 3;+
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    fail("#5 should have thrown ReferenceError");+
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} catch (e) {+
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    if (! (e instanceof ReferenceError)) {+
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        fail("#6 ReferenceError expected but got " + e);+
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    }+
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}+
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+
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// repeated property definition is not allowed in an object literal+
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try {+
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    eval("var obj = { foo: 33, foo: 44 }");+
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    fail("#7 should have thrown SyntaxError");+
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} catch(e) {+
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    if (! (e instanceof SyntaxError)) {+
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        fail("#8 SyntaxError expected but got " + e);+
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    }+
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}+
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+
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// can't assign to "eval"+
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try {+
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    eval("var eval = 3");+
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    fail("#9 should have thrown SyntaxError");+
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} catch(e) {+
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    if (! (e instanceof SyntaxError)) {+
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        fail("#10 SyntaxError expected but got " + e);+
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    }+
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}+
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+
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// can't assign to 'arguments'+
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try {+
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    eval("function func() { arguments = 34; }");+
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    fail("#11 should have thrown SyntaxError");+
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} catch(e) {+
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    if (! (e instanceof SyntaxError)) {+
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        fail("#12 SyntaxError expected but got " + e);+
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    }+
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}+
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+
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// can't delete non-configurable properties+
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try {+
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    delete Object.prototype;+
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    fail("#13 should have thrown TypeError");+
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} catch (e) {+
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    if (! (e instanceof TypeError)) {+
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        fail("#14 TypeError expected but got " + e);+
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    }+
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}+
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+
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// cannot re-use function parameter name+
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try {+
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    eval("function func(a, a) {}");+
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    fail("#15 should have thrown SyntaxError");+
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} catch (e) {+
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    if (! (e instanceof SyntaxError)) {+
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        fail("#16 SyntaxError expected but got " + e);+
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    }+
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}+
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+
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// strict eval creates own scope and caller's scope is untouched!+
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eval("var myVar = 4;");+
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if (typeof myVar !== 'undefined') {+
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    fail("#17 eval var 'myVar' created in global scope");+
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}+
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+
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eval("function myNewFunc() {}");+
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if (typeof myNewFunc !== 'undefined') {+
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    fail("#18 eval function 'myNewFunc' created in global scope");+
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}+
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+
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// no octal in strict mode+
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try {+
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    eval("var x = 010;");+
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    fail("#19 should have thrown SyntaxError");+
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} catch (e) {+
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    if (! (e instanceof SyntaxError)) {+
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        fail("#20 SyntaxError expected but got " + e);+
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    }+
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}+
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