--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/test/java/org/msgpack/io/TestLinkedBufferOutput.java	Sat Oct 18 15:06:15 2014 +0900
@@ -0,0 +1,93 @@
+package org.msgpack.io;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertArrayEquals;
+
+import java.io.IOException;
+import java.io.DataOutputStream;
+import java.io.ByteArrayOutputStream;
+
+import org.junit.Test;
+
+
+public class TestLinkedBufferOutput {
+    @Test
+    public void testGetSize() throws IOException {
+        LinkedBufferOutput o = new LinkedBufferOutput(10);
+        for(int i=0; i < 21; i++) {
+            o.writeByte((byte)1);
+            assertEquals(i+1, o.getSize());
+        }
+    }
+
+    @Test
+    public void testWritePrimitives() throws IOException {
+        ByteArrayOutputStream bo = new ByteArrayOutputStream();
+        DataOutputStream o1 = new DataOutputStream(bo);
+        LinkedBufferOutput o2 = new LinkedBufferOutput(10);
+        o1.writeByte((byte)2);
+        o2.writeByte((byte)2);
+        o1.writeShort((short)2);
+        o2.writeShort((short)2);
+        o1.writeInt(2);
+        o2.writeInt(2);
+        o1.writeLong(2L);
+        o2.writeLong(2L);
+        o1.writeFloat(1.1f);
+        o2.writeFloat(1.1f);
+        o1.writeDouble(1.1);
+        o2.writeDouble(1.1);
+        byte[] b1 = bo.toByteArray();
+        byte[] b2 = o2.toByteArray();
+        assertEquals(b1.length, b2.length);
+        assertArrayEquals(b1, b2);
+    }
+
+    @Test
+    public void testWriteByteAndPrimitives() throws IOException {
+        ByteArrayOutputStream bo = new ByteArrayOutputStream();
+        DataOutputStream o1 = new DataOutputStream(bo);
+        LinkedBufferOutput o2 = new LinkedBufferOutput(10);
+        o1.writeByte((byte)9);
+        o1.writeByte((byte)2);
+        o2.writeByteAndByte((byte)9, (byte)2);
+        o1.writeByte((byte)9);
+        o1.writeShort((short)2);
+        o2.writeByteAndShort((byte)9, (short)2);
+        o1.writeByte((byte)9);
+        o1.writeInt(2);
+        o2.writeByteAndInt((byte)9, 2);
+        o1.writeByte((byte)9);
+        o1.writeLong(2L);
+        o2.writeByteAndLong((byte)9, 2L);
+        o1.writeByte((byte)9);
+        o1.writeFloat(1.1f);
+        o2.writeByteAndFloat((byte)9, 1.1f);
+        o1.writeByte((byte)9);
+        o1.writeDouble(1.1);
+        o2.writeByteAndDouble((byte)9, 1.1);
+        byte[] b1 = bo.toByteArray();
+        byte[] b2 = o2.toByteArray();
+        assertEquals(b1.length, b2.length);
+        assertArrayEquals(b1, b2);
+    }
+
+    @Test
+    public void testWrite() throws IOException {
+        ByteArrayOutputStream bo = new ByteArrayOutputStream();
+        DataOutputStream o1 = new DataOutputStream(bo);
+        LinkedBufferOutput o2 = new LinkedBufferOutput(10);
+        byte[] raw = new byte[9];
+        raw[0] = (byte)1;
+        raw[7] = (byte)1;
+        for(int i=0; i < 11; i++) {
+            o1.write(raw, 0, raw.length);
+            o2.write(raw, 0, raw.length);
+        }
+        byte[] b1 = bo.toByteArray();
+        byte[] b2 = o2.toByteArray();
+        assertEquals(b1.length, b2.length);
+        assertArrayEquals(b1, b2);
+    }
+}
+