changeset 2946:426e5f2dbea3

6974104: TEST: sun/nio/ch/6645197.java should be fixed in 1.5.0u25b05 and jdk6 workspace Reviewed-by: alanb
author coffeys
date Mon, 18 Oct 2010 18:04:02 +0100
parents 5193b0c2baf0
children faccd8fcd36c 617ada000804
files test/java/nio/channels/Selector/TemporarySelector.java
diffstat 1 files changed, 86 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/nio/channels/Selector/TemporarySelector.java	Mon Oct 18 18:04:02 2010 +0100
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2010, 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 6645197
+ * @run main/othervm -Xmx5m TemporarySelector
+ * @summary Timed read with socket adaptor throws ClosedSelectorException if temporary selector GC'ed.
+ */
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+
+public class TemporarySelector {
+
+    static volatile boolean done = false;
+
+    public static void main(String[] args) throws Exception {
+
+        Runnable r = new Runnable() {
+            public void run() {
+                while (!done) {
+                    System.gc();
+                    try {
+                        Thread.sleep(1000);
+                    } catch (Exception e) {
+                    }
+                }
+            }
+        };
+
+        try {
+            // Create a server socket that will open and accept on loopback connection
+            ServerSocketChannel ssc =  ServerSocketChannel.open();
+            final ServerSocket ss =  ssc.socket();
+            ss.bind(new InetSocketAddress(0));
+            int localPort = ss.getLocalPort();
+
+            // Create a client socket that will connect and read
+            System.out.println("Connecting to server socket");
+            System.out.flush();
+            SocketChannel channel = SocketChannel.open(new InetSocketAddress("localhost", localPort));
+            System.out.println("Connected to server socket");
+            System.out.flush();
+
+            // Create a thread to try and cause the GC to run
+            Thread t = new Thread(r);
+            t.start();
+            byte[] buffer = new byte[500];
+            System.out.println("Reading from socket input stream");
+            System.out.flush();
+            Socket socket = channel.socket();
+            socket.setSoTimeout(10000);  // The timeout must be set
+            // to trigger this bug
+            try {
+                socket.getInputStream().read(buffer);
+            } catch (java.net.SocketTimeoutException ste) {
+                // no java.nio.channels.ClosedSelectorException
+            }
+        } finally {
+            done = true;
+        }
+    }
+}