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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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/*
* @test
* @bug 5025230
* @summary Tests to see that a set nested in initialValue works OK
* @author Pete Soper
*/
public class InitialValue implements Runnable {
static ThreadLocal<String> other;
static boolean passed;
public class MyLocal extends ThreadLocal<String> {
String val;
protected String initialValue() {
other = new ThreadLocal<String>();
// This should reuse the map that the containing get() created
// or visa versa (i.e. instead of a second map being created).
other.set("Other");
return "Initial";
}
}
public void run() {
MyLocal l = new MyLocal();
// This should pick up the initial value
String s1 = l.get();
// And this should pick up the other local in this thread's locals map
String s2 = other.get();
if ((s2 != null) && s2.equals("Other")) {
// JMM guarantees this will be visible to
// another thread joining with this thread's
// termination: no need for this to be volatile.
passed = true;
}
}
public static void main(String[] args) {
// Starting with Mustang the main thread already has an initialized
// ThreadLocal map at this point, so test with a second thread.
Thread t = new Thread(new InitialValue());
t.start();
try {
t.join();
} catch (InterruptedException e) {
throw new RuntimeException("Test Interrupted: failed");
}
if (!passed) {
throw new RuntimeException("Test Failed");
}
}
}