Thu, 10 Oct 2013 14:58:04 +0200
8001931: The new build system whitespace cleanup
Reviewed-by: tbell, simonis, erikj
1 /*
2 * Copyright (c) 2011, 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 */
24 /*
25 * @test
26 * @bug 8003280
27 * @summary Add lambda tests
28 * basic test for capture of non-mutable locals
29 * @author Brian Goetz
30 * @author Maurizio Cimadamore
31 * @run main LambdaScope01
32 */
34 public class LambdaScope01 {
36 static int assertionCount = 0;
38 static void assertTrue(boolean cond) {
39 assertionCount++;
40 if (!cond)
41 throw new AssertionError();
42 }
44 interface TU<T, U> {
45 public T foo(U u);
46 }
48 public static <T, U> T exec(TU<T, U> lambda, U x) {
49 return lambda.foo(x);
50 }
52 public int n = 5;
54 public int hashCode() {
55 throw new RuntimeException();
56 }
58 public void test1() {
59 try {
60 int res = LambdaScope01.<Integer,Integer>exec((Integer x) -> x * hashCode(), 3);
61 }
62 catch (RuntimeException e) {
63 assertTrue(true); //should throw
64 }
65 }
67 public void test2() {
68 final int n = 10;
69 int res = LambdaScope01.<Integer,Integer>exec((Integer x) -> x + n, 3);
70 assertTrue(13 == res);
71 }
73 public static void main(String[] args) {
74 LambdaScope01 t = new LambdaScope01();
75 t.test1();
76 t.test2();
77 assertTrue(assertionCount == 2);
78 }
79 }