let-eval.js revision 1002:2f0161551858 
1/*
2 * Copyright (c) 2010, 2014, 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 * JDK-8051889: Implement block scoping in symbol assignment and scope computation
26 *
27 * @test
28 * @run
29 * @option --language=es6 */
30
31"use strict";
32
33function f() {
34    var a;
35    let b;
36    const c = 0;
37
38    print(a, b, c);
39
40    try {
41        eval("x = 1; print('x: ' + x);");
42        print("assignment to x succeeded");
43    } catch (e) {
44        print(e);
45    }
46    try {
47        eval("'use strict'; let z = 1; print('z: ' + z);");
48        print("assignment to z succeeded");
49        eval("print('z: ' + z);");
50    } catch (e) {
51        print(e);
52    }
53
54    try {
55        eval("a = 1; print(a);");
56        print("assignment to a succeeded");
57    } catch (e) {
58        print(e);
59    }
60    print("a: " + a);
61
62    try {
63        eval("b = 1; print('b: ' + b);");
64        print("assignment to b succeeded");
65    } catch (e) {
66        print(e);
67    }
68    print("b: " + b);
69
70    try {
71        eval("c = 1; print('c: ' + c);");
72        print("assignment to c succeeded");
73    } catch (e) {
74        print(e);
75    }
76    print("c: " + c);
77
78    eval("a = 2; let b = 3;");
79
80    try {
81        print(a, b, c);
82    } catch (e) {
83        print(e);
84    }
85
86    let x;
87
88    try {
89        print(a, b, c, x);
90    } catch (e) {
91        print(e);
92    }
93
94}
95
96f();
97
98print(typeof a, typeof b, typeof c, typeof x, typeof z);
99