T6869075.java revision 797:4868a36f6fd8 
1/*
2 * Copyright (c) 2009, 2010, 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 * @test
26 * @bug     6869075
27 * @summary regression: javac crashes when compiling compound string assignment with generics
28 * @author mcimadamore
29 */
30
31public class T6869075 {
32
33    static class Foo<X> {
34        X x;
35        Foo (X x) {
36            this.x = x;
37        }
38    }
39
40    static void test1(Foo<String> foo) {
41        String start = foo.x;
42        equals(foo.x += "foo", start + "foo");
43    }
44
45    static void test2(Foo<String> foo) {
46        String start = foo.x;
47        equals((foo.x += "foo"), (start + "foo"));
48    }
49
50    static void test3(Foo<String> foo) {
51        String start = foo.x;
52        equals(((foo.x += "foo")), ((start + "foo")));
53    }
54
55    public static void main(String[] args) {
56        test1(new Foo<String>("Hello!"));
57        test2(new Foo<String>("Hello!"));
58        test3(new Foo<String>("Hello!"));
59    }
60
61    static void equals(String found, String req) {
62        if (!found.equals(req)) {
63            throw new AssertionError("Error (expected: "+ req +
64                                     " - found: " + found + ")");
65        }
66    }
67}
68