aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
attila@962:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
attila@962:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * NASHORN-207 : implement strict mode
aoqi@0:  *
aoqi@0:  * @test
aoqi@0:  * @run
aoqi@0:  */
aoqi@0: 
aoqi@0: 'use strict';
aoqi@0: 
aoqi@0: // cannot delete a variable
aoqi@0: try {
aoqi@0:     eval("var fooVar = 3; delete fooVar;");
aoqi@0:     fail("#1 should have thrown SyntaxError");
aoqi@0: } catch (e) {
aoqi@0:     if (! (e instanceof SyntaxError)) {
aoqi@0:         fail("#2 SyntaxError expected but got " + e);
attila@962:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // cannot delete function parameter variable
aoqi@0: try {
aoqi@0:     eval("function func(a) { delete a; }; func(2);");
aoqi@0:     fail("#3 should have thrown SyntaxError");
aoqi@0: } catch(e) {
aoqi@0:     if (! (e instanceof SyntaxError)) {
aoqi@0:         fail("#4 SyntaxError expected but got " + e);
attila@962:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // assignment can't be used to define as new variable
aoqi@0: try {
aoqi@0:     bar = 3;
aoqi@0:     fail("#5 should have thrown ReferenceError");
aoqi@0: } catch (e) {
aoqi@0:     if (! (e instanceof ReferenceError)) {
aoqi@0:         fail("#6 ReferenceError expected but got " + e);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // repeated property definition is not allowed in an object literal
aoqi@0: try {
aoqi@0:     eval("var obj = { foo: 33, foo: 44 }");
aoqi@0:     fail("#7 should have thrown SyntaxError");
aoqi@0: } catch(e) {
aoqi@0:     if (! (e instanceof SyntaxError)) {
aoqi@0:         fail("#8 SyntaxError expected but got " + e);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // can't assign to "eval"
aoqi@0: try {
aoqi@0:     eval("var eval = 3");
aoqi@0:     fail("#9 should have thrown SyntaxError");
aoqi@0: } catch(e) {
aoqi@0:     if (! (e instanceof SyntaxError)) {
aoqi@0:         fail("#10 SyntaxError expected but got " + e);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // can't assign to 'arguments'
aoqi@0: try {
aoqi@0:     eval("function func() { arguments = 34; }");
aoqi@0:     fail("#11 should have thrown SyntaxError");
aoqi@0: } catch(e) {
aoqi@0:     if (! (e instanceof SyntaxError)) {
aoqi@0:         fail("#12 SyntaxError expected but got " + e);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // can't delete non-configurable properties
aoqi@0: try {
aoqi@0:     delete Object.prototype;
aoqi@0:     fail("#13 should have thrown TypeError");
aoqi@0: } catch (e) {
aoqi@0:     if (! (e instanceof TypeError)) {
aoqi@0:         fail("#14 TypeError expected but got " + e);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // cannot re-use function parameter name
aoqi@0: try {
aoqi@0:     eval("function func(a, a) {}");
aoqi@0:     fail("#15 should have thrown SyntaxError");
aoqi@0: } catch (e) {
aoqi@0:     if (! (e instanceof SyntaxError)) {
aoqi@0:         fail("#16 SyntaxError expected but got " + e);
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // strict eval creates own scope and caller's scope is untouched!
aoqi@0: eval("var myVar = 4;");
aoqi@0: if (typeof myVar !== 'undefined') {
aoqi@0:     fail("#17 eval var 'myVar' created in global scope");
aoqi@0: }
aoqi@0: 
aoqi@0: eval("function myNewFunc() {}");
aoqi@0: if (typeof myNewFunc !== 'undefined') {
aoqi@0:     fail("#18 eval function 'myNewFunc' created in global scope");
aoqi@0: }
aoqi@0: 
aoqi@0: // no octal in strict mode
aoqi@0: try {
aoqi@0:     eval("var x = 010;");
aoqi@0:     fail("#19 should have thrown SyntaxError");
aoqi@0: } catch (e) {
aoqi@0:     if (! (e instanceof SyntaxError)) {
aoqi@0:         fail("#20 SyntaxError expected but got " + e);
aoqi@0:     }
aoqi@0: }