--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/ThreadLocal/Basic.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,66 @@
+/*
+ * Copyright 1999 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
+ * @summary Basic functional test of ThreadLocal
+ * @author Josh Bloch
+ */
+
+public class Basic {
+ static ThreadLocal n = new ThreadLocal() {
+ int i = 0;
+ protected synchronized Object initialValue() {
+ return new Integer(i++);
+ }
+ };
+
+ public static void main(String args[]) throws Exception {
+ int threadCount = 100;
+ Thread th[] = new Thread[threadCount];
+ final int x[] = new int[threadCount];
+
+ // Start the threads
+ for(int i=0; i<threadCount; i++) {
+ th[i] = new Thread() {
+ public void run() {
+ int threadId = ((Integer)(n.get())).intValue();
+ for (int j=0; j<threadId; j++) {
+ x[threadId]++;
+ Thread.currentThread().yield();
+ }
+ }
+ };
+ th[i].start();
+ }
+
+ // Wait for the threads to finish
+ for(int i=0; i<threadCount; i++)
+ th[i].join();
+
+ // Check results
+ for(int i=0; i<threadCount; i++)
+ if (x[i] != i)
+ throw(new Exception("x[" + i + "] =" + x[i]));
+ }
+}