test/tools/javac/lambda/lambdaExpression/LambdaTest4.java

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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 */
23
24 /**
25 * @test
26 * @bug 8003280
27 * @summary Add lambda tests
28 * Test accessing "this" in lambda expressions
29 * @compile LambdaTest4.java
30 * @run main LambdaTest4
31 */
32
33 public class LambdaTest4 {
34
35 private String thisStr;
36 private static int count = 0;
37
38 {
39 ((Runnable)
40 ()-> {
41 this.init();
42 assertTrue(this.toString().equals(thisStr));
43 count++;
44 }
45 ).run();
46 }
47
48 private static void assertTrue(boolean b) {
49 if(!b)
50 throw new AssertionError();
51 }
52
53 private void init() {
54 thisStr = this.toString();
55 }
56
57 private void m() {
58 String s1 = this.toString();
59 ((Runnable)
60 ()-> {
61 assertTrue(this.toString().equals(thisStr));
62 assertTrue(this.toString().equals(s1));
63 }
64 ).run();
65 }
66
67 public static void main(String[] args) {
68 LambdaTest4 test = new LambdaTest4();
69 assertTrue(count == 1);
70 test.m();
71 }
72 }

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