Thu, 10 Oct 2013 14:58:04 +0200
8001931: The new build system whitespace cleanup
Reviewed-by: tbell, simonis, erikj
1 /*
2 * Copyright (c) 2013, 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 8005653
27 * @summary A lambda containing an inner class referencing an external type var
28 * @author Robert Field
29 * @run main LambdaInnerTypeVarReflect
30 */
32 import java.io.StringWriter;
33 import java.io.PrintWriter;
34 import java.io.IOException;
36 public class LambdaInnerTypeVarReflect {
38 static int assertionCount = 0;
40 static void assertTrue(boolean cond) {
41 assertionCount++;
42 if (!cond)
43 throw new AssertionError();
44 }
46 interface I {
47 C doit();
48 }
50 abstract class C {
51 abstract Object it();
52 }
54 class TV {
55 C go() {
56 return foo("Frump").doit();
57 }
59 <RRRRR> I foo(RRRRR r) {
60 return () -> new C() {
61 public RRRRR xxxxx = r;
62 @Override
63 Object it() { return xxxxx; };
64 };
65 }
66 }
68 void test1() throws IOException {
69 char[] buffer = new char[1024];
70 String innerName = new TV().go().getClass().getName();
71 StringWriter sw = new StringWriter();
72 PrintWriter pw = new PrintWriter(sw);
73 int exitCode = com.sun.tools.javap.Main.run(new String[] {innerName}, pw);
74 assertTrue(exitCode == 0);
76 String javapOut = sw.toString();
77 assertTrue(javapOut.contains(innerName));
78 assertTrue(!javapOut.contains("RRRRR"));
79 }
81 public static void main(String[] args) throws IOException {
82 LambdaInnerTypeVarReflect t = new LambdaInnerTypeVarReflect();
83 t.test1();
84 assertTrue(assertionCount == 3);
85 }
86 }