NASHORN-261.js revision 877:cf4d2252d444 
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-261 : All 'eval' calls assumed to be global builtin eval calls
26 *
27 * @test
28 * @run
29 */
30
31// call eval with no args
32if (eval() !== undefined) {
33    fail("eval with no arg should return undefined");
34}
35
36// call eval with extra (ignored) args
37function func() {
38    'use strict';
39
40    try {
41        // we pass hidden args after first arg which is code. Make sure
42        // those stay intact even when user passes extra args.
43        // Example: strict mode flag is passed as hidden arg...
44
45        eval("eval = 3", "hello", "world", "nashorn");
46        fail("SyntaxError expected!");
47    } catch (e) {
48        if (! (e instanceof SyntaxError)) {
49            fail("SyntaxError expected, got " + e);
50        }
51    }
52}
53
54func();
55
56// try calling 'eval' -- but from with scope rather than builtin one
57with ( {
58    eval: function() {
59        if (arguments.length != 1) {
60            fail("arguments.length !== 1, it is " + arguments.length);
61            for (i in arguments) { print(arguments[i]); }
62        }
63    }
64}) {
65
66    eval("hello");
67}
68
69// finally, overwrite builtin 'eval'
70var reached = false;
71eval = function() {
72    reached = true;
73    for (i in arguments) {
74        print(arguments[i]);
75    }
76}
77
78// pass no args to our overwritten eval
79// the new eval should not print anything (no hidden args passed)
80eval();
81
82// make sure our modified eval was called
83if (! reached) {
84    fail("modified eval was not called");
85}
86