diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/jdk/java/net/Socket/SocketGrowth.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/jdk/java/net/Socket/SocketGrowth.java Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2012, 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 7181793 + * @summary getOutputStream create streams that cannot be GC'ed until Socket is closed + * @run main/othervm -Xmx32m SocketGrowth + */ + +import java.io.IOException; +import java.net.ServerSocket; +import java.net.Socket; + +public class SocketGrowth { + + public static void main(String[] args) throws IOException { + + try (ServerSocket ss = new ServerSocket(0)) { + try (Socket s = new Socket("localhost", ss.getLocalPort()); + Socket peer = ss.accept()) { + for (int i=0; i<1000000; i++) { + // buggy JDK will run out of memory in this loop + s.getOutputStream(); + // test InputStream also while we're here + s.getInputStream(); + if (i % 100000 == 0) System.out.println(i); + } + } + } + } +}