jdk/test/java/nio/channels/SocketChannel/Open.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/nio/channels/SocketChannel/Open.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2002-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+ * @bug 4614065
+ * @summary Test SocketChannel gc after running out of fds
+ * @build Open
+ * @run shell Open.sh
+ */
+
+import java.net.*;
+import java.nio.*;
+import java.nio.channels.*;
+import java.nio.channels.spi.SelectorProvider;
+
+public class Open {
+
+    static void test1() {
+        for (int i=0; i<11000; i++) {
+            try {
+                SocketChannel sc = SocketChannel.open();
+            } catch (Exception e) {
+                // Presumably "Too many open files"
+            }
+        }
+    }
+    static void test2() {
+        for (int i=0; i<11000; i++) {
+            try {
+                DatagramChannel sc = DatagramChannel.open();
+            } catch (Exception e) {
+                // Presumably "Too many open files"
+            }
+        }
+    }
+    static void test3() {
+        SelectorProvider sp = SelectorProvider.provider();
+        for (int i=0; i<11000; i++) {
+            try {
+                Pipe p = sp.openPipe();
+            } catch (Exception e) {
+                // Presumably "Too many open files"
+            }
+        }
+    }
+    static void test4() {
+        for (int i=0; i<11000; i++) {
+            try {
+                ServerSocketChannel sc = ServerSocketChannel.open();
+            } catch (Exception e) {
+                // Presumably "Too many open files"
+            }
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+
+        // Load necessary classes ahead of time
+        DatagramChannel dc = DatagramChannel.open();
+        Exception se = new SocketException();
+        SelectorProvider sp = SelectorProvider.provider();
+        Pipe p = sp.openPipe();
+        ServerSocketChannel ssc = ServerSocketChannel.open();
+
+        test1();
+        test2();
+        test3();
+        test4();
+    }
+
+}