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/*
* 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);
}
}
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