test/jdk/java/net/Socket/TestClose.java
changeset 47216 71c04702a3d5
parent 5506 202f599c92aa
child 49431 5812849b5027
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/Socket/TestClose.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2001, 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 4408755
+ *
+ * @summary This tests wether it's possible to get some informations
+ * out of a closed socket. This is for backward compatibility purposes.
+ */
+
+import java.net.*;
+
+public class TestClose {
+
+    public static void main(String[] args) throws Exception {
+        ServerSocket ss;
+        Socket s;
+        InetAddress ad1, ad2;
+        int port1, port2, serverport;
+
+        ss = new ServerSocket(0);
+        serverport = ss.getLocalPort();
+        s = new Socket("localhost", serverport);
+        s.close();
+        ss.close();
+        ad1 = ss.getInetAddress();
+        if (ad1 == null)
+            throw new RuntimeException("ServerSocket.getInetAddress() returned null");
+        port1 = ss.getLocalPort();
+        if (port1 != serverport)
+            throw new RuntimeException("ServerSocket.getLocalPort() returned the wrong value");
+        ad2 = s.getInetAddress();
+        if (ad2 == null)
+            throw new RuntimeException("Socket.getInetAddress() returned null");
+        port2 = s.getPort();
+        if (port2 != serverport)
+            throw new RuntimeException("Socket.getPort() returned wrong value");
+        ad2 = s.getLocalAddress();
+        if (ad2 == null)
+            throw new RuntimeException("Socket.getLocalAddress() returned null");
+        port2 = s.getLocalPort();
+        if (port2 == -1)
+            throw new RuntimeException("Socket.getLocalPort returned -1");
+    }
+}