X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=openflowjava-util%2Fsrc%2Ftest%2Fjava%2Forg%2Fopendaylight%2Fopenflowjava%2Futil%2FByteBufUtilsTest.java;fp=openflowjava-util%2Fsrc%2Ftest%2Fjava%2Forg%2Fopendaylight%2Fopenflowjava%2Futil%2FByteBufUtilsTest.java;h=b7f0f593caed035f5481f86576537c4c7979c42a;hb=95ebf4e412c17c30adca24757e3c5dc51e1ae492;hp=8196e69ba095f5f035f1a557e48ef7de0d6dd333;hpb=37b396c43ec3d71120f0948016cdc7c278a8c6c8;p=openflowjava.git

diff --git a/openflowjava-util/src/test/java/org/opendaylight/openflowjava/util/ByteBufUtilsTest.java b/openflowjava-util/src/test/java/org/opendaylight/openflowjava/util/ByteBufUtilsTest.java
index 8196e69b..b7f0f593 100644
--- a/openflowjava-util/src/test/java/org/opendaylight/openflowjava/util/ByteBufUtilsTest.java
+++ b/openflowjava-util/src/test/java/org/opendaylight/openflowjava/util/ByteBufUtilsTest.java
@@ -448,4 +448,22 @@ public class ByteBufUtilsTest {
         Assert.assertTrue(bytes.length == shorts.size()*2);
         Assert.assertArrayEquals(EXPECTEDVALUES1AND255, bytes);
     }
+
+    @Test
+    public void testUpdateHeader() throws IOException {
+        ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();
+        buffer.writeInt(1);
+        int start = buffer.writerIndex();
+        buffer.writeShort(4);
+        buffer.writeShort(EncodeConstants.EMPTY_LENGTH);
+        buffer.writeLong(8);
+        int end = buffer.writerIndex();
+
+        ByteBufUtils.updateOFHeaderLength(buffer, start);
+        Assert.assertEquals(buffer.readInt(), 1);
+        Assert.assertEquals(buffer.readShort(), 4);
+        Assert.assertEquals(buffer.readShort(), 12);
+        Assert.assertEquals(buffer.readLong(), 8l);
+        Assert.assertEquals(buffer.getShort(start + EncodeConstants.OFHEADER_LENGTH_INDEX), end - start);
+    }
 }