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+/*
+ * Copyright 2003 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 4639861
+ * @summary API to test reachability of a host
+ */
+import java.net.InetAddress;
+import java.io.IOException;
+import java.net.NetworkInterface;
+public class IsReachable {
+ public static void main(String[] args) {
+ try {
+ InetAddress addr = InetAddress.getByName("localhost");
+ if (!addr.isReachable(10000))
+ throw new RuntimeException("Localhost should always be reachable");
+ NetworkInterface inf = NetworkInterface.getByInetAddress(addr);
+ if (inf != null) {
+ if (!addr.isReachable(inf, 20, 10000))
+ throw new RuntimeException("Localhost should always be reachable");
+ }
+
+ } catch (IOException e) {
+ throw new RuntimeException("Unexpected exception:" + e);
+ }
+ }
+}