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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 8284910
 * @summary Check that the cleaner is not bound to the PasswordCallback object
 */

import javax.security.auth.callback.PasswordCallback;
import java.util.WeakHashMap;

public final class CheckCleanerBound {
    private final static WeakHashMap<PasswordCallback, ?> weakHashMap =
            new WeakHashMap<>();

    public static void main(String[] args) throws Exception {
        // Create an object
        PasswordCallback passwordCallback =
                new PasswordCallback("Password: ", false);
        passwordCallback.setPassword("ThisIsAPassword".toCharArray());

        weakHashMap.put(passwordCallback, null);
        passwordCallback = null;

        // Check if the PasswordCallback object could be collected.
        // Wait to trigger the cleanup.
        for (int i = 0; i < 10 && weakHashMap.size() != 0; i++) {
            System.gc();
        }

        // Check if the object has been collected.  The collection will not
        // happen if the cleaner implementation in PasswordCallback is bound
        // to the PasswordCallback object.
        if (weakHashMap.size() > 0) {
            throw new RuntimeException(
                "PasswordCallback object is not released");
        }
    }
}