diff --git a/core/src/test/java/org/gagravarr/opus/AbstractOpusTest.java b/core/src/test/java/org/gagravarr/opus/AbstractOpusTest.java
new file mode 100644
index 0000000..8d46708
--- /dev/null
+++ b/core/src/test/java/org/gagravarr/opus/AbstractOpusTest.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.gagravarr.opus;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import junit.framework.TestCase;
+
+/**
+ * Parent class of Opus read and write tests
+ */
+public class AbstractOpusTest extends TestCase {
+    /** Get a test file created with libopus 0.9.x */
+    protected InputStream getTest09File() throws IOException {
+        return this.getClass().getResourceAsStream("/testOPUS_09.opus");
+    }
+    /** Get a test file created with libopus 1.1.x */
+    protected InputStream getTest11File() throws IOException {
+        return this.getClass().getResourceAsStream("/testOPUS_11.opus");
+    }
+
+    protected OpusFile of;
+
+    @Override
+    protected void tearDown() throws IOException {
+        if (of != null) {
+            of.close();
+        }
+    }
+}
diff --git a/core/src/test/java/org/gagravarr/opus/TestOpusFileRead.java b/core/src/test/java/org/gagravarr/opus/TestOpusFileRead.java
index de577b3..c865fc3 100644
--- a/core/src/test/java/org/gagravarr/opus/TestOpusFileRead.java
+++ b/core/src/test/java/org/gagravarr/opus/TestOpusFileRead.java
@@ -14,33 +14,13 @@
 package org.gagravarr.opus;
 
 import java.io.IOException;
-import java.io.InputStream;
-
-import junit.framework.TestCase;
 
 import org.gagravarr.ogg.OggFile;
 
 /**
  * Tests for reading things using OpusFile
  */
-public class TestOpusFileRead extends TestCase {
-    /** Get a test file created with libopus 0.9.x */
-    private InputStream getTest09File() throws IOException {
-        return this.getClass().getResourceAsStream("/testOPUS_09.opus");
-    }
-    /** Get a test file created with libopus 1.1.x */
-    private InputStream getTest11File() throws IOException {
-        return this.getClass().getResourceAsStream("/testOPUS_11.opus");
-    }
-
-    private OpusFile of;
-    @Override
-    protected void tearDown() throws IOException {
-        if (of != null) {
-            of.close();
-        }
-    }
-
+public class TestOpusFileRead extends AbstractOpusTest {
     public void testRead09() throws IOException {
         OggFile ogg = new OggFile(getTest09File());
         of = new OpusFile(ogg);
diff --git a/core/src/test/java/org/gagravarr/opus/TestOpusFileWrite.java b/core/src/test/java/org/gagravarr/opus/TestOpusFileWrite.java
index b8ee4f6..6aa9e95 100644
--- a/core/src/test/java/org/gagravarr/opus/TestOpusFileWrite.java
+++ b/core/src/test/java/org/gagravarr/opus/TestOpusFileWrite.java
@@ -18,21 +18,12 @@
 import java.io.IOException;
 import java.io.InputStream;
 
-import junit.framework.TestCase;
-
 import org.gagravarr.ogg.OggFile;
 
 /**
  * Tests for round-tripping with OpusFile
  */
-public class TestOpusFileWrite extends TestCase {
-    private InputStream getTest09File() throws IOException {
-        return this.getClass().getResourceAsStream("/testOPUS_09.opus");
-    }
-    private InputStream getTest11File() throws IOException {
-        return this.getClass().getResourceAsStream("/testOPUS_11.opus");
-    }
-
+public class TestOpusFileWrite extends AbstractOpusTest {
     public void testReadWrite() throws IOException {
         OggFile in = new OggFile(getTest09File());
         OpusFile opIN = new OpusFile(in);