Tue, 10 Sep 2013 13:47:51 +0200
8005222: Fixed bugs should have tests with bugid in @bug tag
Reviewed-by: jfranck, jjg
Contributed-by: Andreas Lundblad <andreas.lundblad@oracle.com>
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
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22 */
24 import java.io.Serializable;
25 import java.util.Calendar;
27 /**
28 * @test
29 * @bug 8003280
30 * @summary Add lambda tests
31 * This test is for when lambda return type is inferred from target type
32 * @compile InferenceTest789.java
33 * @run main InferenceTest789
34 */
36 public class InferenceTest789 {
38 private static void assertTrue(boolean b) {
39 if(!b)
40 throw new AssertionError();
41 }
43 public static void main(String[] args) {
44 InferenceTest789 test = new InferenceTest789();
45 test.method1(() -> 1);
46 SAM1<? extends Number> sam1 = () -> 1.0;
47 SAM1<? extends Serializable> sam1_2 = () -> "a";
48 SAM1<? extends Comparable<?>> sam1_3 = () -> Calendar.getInstance();
49 SAM1<?> sam1_4 = () -> 1.5f;
51 SAM2<Number> sam2 = a -> 1;
52 SAM2<? extends Serializable> sam2_2 = a -> 1;
53 }
55 void method1(SAM1<?> s) {
56 System.out.println("s.m1()=" + s.m1() + " s.m1().getClass()=" + s.m1().getClass());
57 assertTrue(s.m1().equals(new Integer(1)));
58 }
60 interface SAM1<T> {
61 T m1();
62 }
64 interface SAM2<T extends Serializable> {
65 T m2(T t);
66 }
67 }