1 /* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * NASHORN-207 : implement strict mode 26 * 27 * @test 28 * @run 29 */ 30 31 'use strict'; 32 33 // cannot delete a variable 34 try { 35 eval("var fooVar = 3; delete fooVar;"); 36 fail("#1 should have thrown SyntaxError"); 37 } catch (e) { 38 if (! (e instanceof SyntaxError)) { 39 fail("#2 SyntaxError expected but got " + e); 40 } 41 } 42 43 // cannot delete function parameter variable 44 try { 45 eval("function func(a) { delete a; }; func(2);"); 46 fail("#3 should have thrown SyntaxError"); 47 } catch(e) { 48 if (! (e instanceof SyntaxError)) { 49 fail("#4 SyntaxError expected but got " + e); 50 } 51 } 52 53 // assignment can't be used to define as new variable 54 try { 55 bar = 3; 56 fail("#5 should have thrown ReferenceError"); 57 } catch (e) { 58 if (! (e instanceof ReferenceError)) { 59 fail("#6 ReferenceError expected but got " + e); 60 } 61 } 62 63 // repeated property definition is not allowed in an object literal 64 try { 65 eval("var obj = { foo: 33, foo: 44 }"); 66 fail("#7 should have thrown SyntaxError"); 67 } catch(e) { 68 if (! (e instanceof SyntaxError)) { 69 fail("#8 SyntaxError expected but got " + e); 70 } 71 } 72 73 // can't assign to "eval" 74 try { 75 eval("var eval = 3"); 76 fail("#9 should have thrown SyntaxError"); 77 } catch(e) { 78 if (! (e instanceof SyntaxError)) { 79 fail("#10 SyntaxError expected but got " + e); 80 } 81 } 82 83 // can't assign to 'arguments' 84 try { 85 eval("function func() { arguments = 34; }"); 86 fail("#11 should have thrown SyntaxError"); 87 } catch(e) { 88 if (! (e instanceof SyntaxError)) { 89 fail("#12 SyntaxError expected but got " + e); 90 } 91 } 92 93 // can't delete non-configurable properties 94 try { 95 delete Object.prototype; 96 fail("#13 should have thrown TypeError"); 97 } catch (e) { 98 if (! (e instanceof TypeError)) { 99 fail("#14 TypeError expected but got " + e); 100 } 101 } 102 103 // cannot re-use function parameter name 104 try { 105 eval("function func(a, a) {}"); 106 fail("#15 should have thrown SyntaxError"); 107 } catch (e) { 108 if (! (e instanceof SyntaxError)) { 109 fail("#16 SyntaxError expected but got " + e); 110 } 111 } 112 113 // strict eval creates own scope and caller's scope is untouched! 114 eval("var myVar = 4;"); 115 if (typeof myVar !== 'undefined') { 116 fail("#17 eval var 'myVar' created in global scope"); 117 } 118 119 eval("function myNewFunc() {}"); 120 if (typeof myNewFunc !== 'undefined') { 121 fail("#18 eval function 'myNewFunc' created in global scope"); 122 } 123 124 // no octal in strict mode 125 try { 126 eval("var x = 010;"); 127 fail("#19 should have thrown SyntaxError"); 128 } catch (e) { 129 if (! (e instanceof SyntaxError)) { 130 fail("#20 SyntaxError expected but got " + e); 131 } 132 }