NASHORN-207.js revision 2:da1e581c933b 
1/*
2 * Copyright (c) 2010, 2012, 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
34try {
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
44try {
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
54try {
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
64try {
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"
74try {
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'
84try {
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
94try {
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
104try {
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!
114eval("var myVar = 4;");
115if (typeof myVar !== 'undefined') {
116    fail("#17 eval var 'myVar' created in global scope");
117}
118
119eval("function myNewFunc() {}");
120if (typeof myNewFunc !== 'undefined') {
121    fail("#18 eval function 'myNewFunc' created in global scope");
122}
123
124// no octal in strict mode
125try {
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}
133