content: // == VIntWritableTest
  import static org.hamcrest.CoreMatchers.is;
  import static org.junit.Assert.assertThat;
  
  import java.io.IOException;
  import org.apache.hadoop.io.VIntWritable;
  import org.apache.hadoop.util.StringUtils;
  import org.junit.Test;
  
  public class VIntWritableTest extends WritableTestBase {
    
    @Test
    public void test() throws IOException {
      // vv VIntWritableTest
      byte[] data = serialize(new VIntWritable(163));
      assertThat(StringUtils.byteToHexString(data), is("8fa3"));
      // ^^ VIntWritableTest
    }
    
    @Test
    public void testSizes() throws IOException {
      assertThat(serializeToString(new VIntWritable(1)), is("01")); // 1 byte
      assertThat(serializeToString(new VIntWritable(-112)), is("90")); // 1 byte
      assertThat(serializeToString(new VIntWritable(127)), is("7f")); // 1 byte
      assertThat(serializeToString(new VIntWritable(128)), is("8f80")); // 2 byte
      assertThat(serializeToString(new VIntWritable(163)), is("8fa3")); // 2 byte
      assertThat(serializeToString(new VIntWritable(Integer.MAX_VALUE)),
          is("8c7fffffff")); // 5 byte
      assertThat(serializeToString(new VIntWritable(Integer.MIN_VALUE)),
          is("847fffffff")); // 5 byte
    }
  }
  