| /* |
| * 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); |
| } |
| } |