U64Test.java

package org.openflow.util;

import java.math.BigInteger;

import junit.framework.TestCase;

public class U64Test extends TestCase {
  /**
   * Tests that we correctly translate unsigned values in and out of a long
   * @throws Exception
   */
  public void test() throws Exception {
      BigInteger val = new BigInteger("ffffffffffffffff", 16);
      TestCase.assertEquals(-1, U64.t(val));
      TestCase.assertEquals(val, U64.f(-1));
  }
}