1/*
2 * Copyright (c) 2017, 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 8182047
27 * @summary javac compile error on type-parameter-exceptions in lambda expressions
28 * @compile CorrectGenerationOfExConstraintsTest.java
29 */
30
31public class CorrectGenerationOfExConstraintsTest {
32    public static class MyExBase extends Exception {
33        private static final long serialVersionUID = 1L;
34    }
35
36    public static class MyEx1 extends MyExBase {
37        private static final long serialVersionUID = 1L;
38    }
39
40    public static class MyEx2 extends MyExBase {
41        private static final long serialVersionUID = 1L;
42    }
43
44    public interface MyLambdaIF1 <E extends Exception> {
45        void lambdaFun() throws E, MyEx2;
46    }
47
48    public interface MyLambdaIF2 <E extends Exception> {
49        void lambdaFun() throws MyEx2, E;
50    }
51
52    public <E extends Exception> void fun1(MyLambdaIF1<E> myLambda) throws E, MyEx2 {
53        myLambda.lambdaFun();
54    }
55
56    public <E extends Exception> void fun2(MyLambdaIF2<E> myLambda) throws E, MyEx2 {
57        myLambda.lambdaFun();
58    }
59
60    public void useIt1() throws MyEx1, MyEx2 {
61        fun1(this::lambda);
62    }
63
64    public void useIt1a() throws MyExBase {
65        fun1(this::lambda);
66    }
67
68    public void useIt2() throws MyEx1, MyEx2 {
69        fun2(this::lambda);
70    }
71
72    public void lambda() throws MyEx1, MyEx2 {
73        if (Math.random() > 0.5)
74        throw new MyEx2();
75        throw new MyEx1();
76    }
77}
78