--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/nio/channels/Selector/LotsOfChannels.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2002 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 4503092
+ * @summary Tests that Windows Selector can use more than 63 channels
+ * @run main/timeout=300 LotsOfChannels
+ * @author kladko
+ */
+
+import java.net.*;
+import java.io.*;
+import java.nio.*;
+import java.nio.channels.*;
+
+public class LotsOfChannels {
+
+    private final static int PIPES_COUNT = 1900;
+    private final static int BUF_SIZE = 8192;
+    private final static int LOOPS = 10;
+
+    public static void main(String[] argv) throws Exception {
+
+
+        String os = System.getProperty("os.name");
+        if (!(os.equals("Windows NT")
+           || os.equals("Windows 2000")
+           || os.equals("Windows XP")))
+            return;
+
+        Pipe[] pipes = new Pipe[PIPES_COUNT];
+        Pipe pipe = Pipe.open();
+        Pipe.SinkChannel sink = pipe.sink();
+        Pipe.SourceChannel source = pipe.source();
+        Selector sel = Selector.open();
+        source.configureBlocking(false);
+        source.register(sel, SelectionKey.OP_READ);
+
+        for (int i = 0; i< PIPES_COUNT; i++ ) {
+            pipes[i]= Pipe.open();
+            Pipe.SourceChannel sc = pipes[i].source();
+            sc.configureBlocking(false);
+            sc.register(sel, SelectionKey.OP_READ);
+            Pipe.SinkChannel sc2 = pipes[i].sink();
+            sc2.configureBlocking(false);
+            sc2.register(sel, SelectionKey.OP_WRITE);
+        }
+
+        for (int i = 0 ; i < LOOPS; i++ ) {
+            sink.write(ByteBuffer.allocate(BUF_SIZE));
+            int x = sel.selectNow();
+            sel.selectedKeys().clear();
+            source.read(ByteBuffer.allocate(BUF_SIZE));
+        }
+        sel.close();
+    }
+}