/*

 * Copyright (c) 2010, 2013, 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.

 */

/**

 * NASHORN-207 : implement strict mode

 *

 * @test

 * @run

 */

'use strict';

// cannot delete a variable

try {

    eval("var fooVar = 3; delete fooVar;");

    fail("#1 should have thrown SyntaxError");

} catch (e) {

    if (! (e instanceof SyntaxError)) {

        fail("#2 SyntaxError expected but got " + e);

    }

}

// cannot delete function parameter variable

try {

    eval("function func(a) { delete a; }; func(2);");

    fail("#3 should have thrown SyntaxError");

} catch(e) {

    if (! (e instanceof SyntaxError)) {

        fail("#4 SyntaxError expected but got " + e);

    }

}

// assignment can't be used to define as new variable

try {

    bar = 3;

    fail("#5 should have thrown ReferenceError");

} catch (e) {

    if (! (e instanceof ReferenceError)) {

        fail("#6 ReferenceError expected but got " + e);

    }

}

// repeated property definition is not allowed in an object literal

try {

    eval("var obj = { foo: 33, foo: 44 }");

    fail("#7 should have thrown SyntaxError");

} catch(e) {

    if (! (e instanceof SyntaxError)) {

        fail("#8 SyntaxError expected but got " + e);

    }

}

// can't assign to "eval"

try {

    eval("var eval = 3");

    fail("#9 should have thrown SyntaxError");

} catch(e) {

    if (! (e instanceof SyntaxError)) {

        fail("#10 SyntaxError expected but got " + e);

    }

}

// can't assign to 'arguments'

try {

    eval("function func() { arguments = 34; }");

    fail("#11 should have thrown SyntaxError");

} catch(e) {

    if (! (e instanceof SyntaxError)) {

        fail("#12 SyntaxError expected but got " + e);

    }

}

// can't delete non-configurable properties

try {

    delete Object.prototype;

    fail("#13 should have thrown TypeError");

} catch (e) {

    if (! (e instanceof TypeError)) {

        fail("#14 TypeError expected but got " + e);

    }

}

// cannot re-use function parameter name

try {

    eval("function func(a, a) {}");

    fail("#15 should have thrown SyntaxError");

} catch (e) {

    if (! (e instanceof SyntaxError)) {

        fail("#16 SyntaxError expected but got " + e);

    }

}

// strict eval creates own scope and caller's scope is untouched!

eval("var myVar = 4;");

if (typeof myVar !== 'undefined') {

    fail("#17 eval var 'myVar' created in global scope");

}

eval("function myNewFunc() {}");

if (typeof myNewFunc !== 'undefined') {

    fail("#18 eval function 'myNewFunc' created in global scope");

}

// no octal in strict mode

try {

    eval("var x = 010;");

    fail("#19 should have thrown SyntaxError");

} catch (e) {

    if (! (e instanceof SyntaxError)) {

        fail("#20 SyntaxError expected but got " + e);

    }

}