package helper; import com.yanzuoguang.util.helper.ByteHelper; import org.junit.Test; public class TestByteHelper { @Test public void test() { long from = 0x0f0f; // from = 1999; System.out.println(from); System.out.println(ByteHelper.reverse(from)); System.out.println(ByteHelper.reverse(ByteHelper.reverse(from))); System.out.println(ByteHelper.toHexString(ByteHelper.toHL(from))); System.out.println(ByteHelper.toHexString(ByteHelper.toHL(from))); System.out.println(ByteHelper.toHexString(ByteHelper.toLH(from))); System.out.println(ByteHelper.toLongByHL(ByteHelper.toHL(from))); System.out.println(ByteHelper.toLongByLH(ByteHelper.toLH(from))); } @Test public void test1() { long old = 1999; old = 0x0f0f; long from = ByteHelper.reverse(old); long to = ByteHelper.reverse(from); // Assert.assertEquals(old, to); System.out.println(String.format("old:%d %d %d", old, from, to)); } }