HDFS-12156. TestFSImage fails without -Pnative

(cherry picked from commit 319defafc105c0d0b69b83828b578d9c453036f5)

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSImage.java

@@ -48,6 +48,7 @@ import org.apache.hadoop.hdfs.protocol.BlockType;
 import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption;
 import org.apache.hadoop.io.erasurecode.ECSchema;
 import org.apache.hadoop.ipc.RemoteException;
+import org.apache.hadoop.util.NativeCodeLoader;
 import org.junit.Assert;
 
 import org.apache.hadoop.fs.permission.PermissionStatus;
@@ -74,6 +75,7 @@ import org.apache.hadoop.hdfs.util.MD5FileUtils;
 import org.apache.hadoop.test.GenericTestUtils;
 import org.apache.hadoop.test.PathUtils;
 import org.apache.hadoop.util.Time;
+import org.junit.Assume;
 import org.junit.Test;
 
 import static org.junit.Assert.assertArrayEquals;
@@ -99,6 +101,13 @@ public class TestFSImage {
     setCompressCodec(conf, "org.apache.hadoop.io.compress.DefaultCodec");
     setCompressCodec(conf, "org.apache.hadoop.io.compress.GzipCodec");
     setCompressCodec(conf, "org.apache.hadoop.io.compress.BZip2Codec");
+  }
+
+  @Test
+  public void testNativeCompression() throws IOException {
+    Assume.assumeTrue(NativeCodeLoader.isNativeCodeLoaded());
+    Configuration conf = new Configuration();
+    conf.setBoolean(DFSConfigKeys.DFS_IMAGE_COMPRESS_KEY, true);
     setCompressCodec(conf, "org.apache.hadoop.io.compress.Lz4Codec");
   }