test/jdk/java/util/Date/Bug8135055.java

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/*
 * @test
 * @bug 8135055
 * @modules java.sql
 * @summary Test java.sql.TimeStamp instance should come after java.util.Date
 * if Nanos component of TimeStamp is not equal to 0 milliseconds.
*/
import java.sql.Timestamp;
import java.util.Date;

public class Bug8135055 {

    public static void main(String[] args) throws InterruptedException {
        for (int i = 0; i < 1000; i++) {
            Date d = new Date();
            Timestamp ts = new Timestamp(d.getTime());
            if (d.after(ts)) {
                throw new RuntimeException("date with time " + d.getTime()
                        + " should not be after TimeStamp , Nanos component of "
                                + "TimeStamp is " +ts.getNanos());
            }
            Thread.sleep(1);
        }
    }
}