jdk-24/test/langtools/tools/javac/lambda/XDdumpLambdaToMethodStats.java
2018-04-03 23:58:52 -04:00

62 lines
1.9 KiB
Java

/*
* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8143217
* @summary javac throws NPE when printing diagnostics for Lambda expressions
* @compile XDdumpLambdaToMethodStats.java --debug=dumpLambdaToMethodStats
*
*/
/*
* Note: No golden file since the crash is reproducible only when raw
* diagnostics are not in effect.
*/
public class XDdumpLambdaToMethodStats {
public static void main(String... a) {
new XDdumpLambdaToMethodStats().run();
}
public void run() {
printHash(this::m);
printHash(XDdumpLambdaToMethodStats::sm);
printHash(() -> { o = new Object(); });
printHash(() -> { s = new Object(); });
}
private void printHash(Runnable function) {
System.out.println(function + "; hash=" + function.hashCode());
}
private static void sm() {
}
private void m() {
}
private Object o;
private static Object s;
}