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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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,
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/*
 @test
 @summary <rdar://problem/4064974>
 @summary Tests nano time and also makes sure that it does not take too long to make consecutive time calls
 @summary com.apple.junit.java.vm
 @run junit nanoTime_R4064974
 */

import junit.framework.*;

import static java.lang.System.currentTimeMillis;
import static java.lang.System.nanoTime;

public class nanoTime_R4064974 extends TestCase {
    public void testnanoTime_R4064974() throws Exception {
        long time = 0;
        long newTime;
        long smaller = 9999999999999L;

        for (int i = 0; i < 10000; i++) {
            time = nanoTime();
            newTime = nanoTime();
            smaller = Math.min(smaller, newTime - time);
        }

        long milliTime = currentTimeMillis();
        long nanoTime = nanoTime();
        assertTrue("it's taking to long to call nanoTime() after calling currentTimeMillis()", (nanoTime - (milliTime * 1000000)) < 5000000);
    }

    public static Test suite() {
        return new TestSuite(nanoTime_R4064974.class);
    }

    public static void main (String[] args) throws RuntimeException {
        TestResult tr = junit.textui.TestRunner.run(suite());
        if((tr.errorCount() != 0) || (tr.failureCount() != 0)) {
            throw new RuntimeException("### Unexpected JUnit errors or failures.");
        }
    }
}