diff --git a/test/java/build.xml b/test/java/build.xml
index 7eed8c3..77267fc 100644
--- a/test/java/build.xml
+++ b/test/java/build.xml
@@ -6,6 +6,7 @@
   <property name="gen" location="gen-java" />
   <property name="build" location="build" />
   <property name="cpath" location="../../lib/java/libthrift.jar:/usr/share/java/commons-lang-2.3.jar" />
+  <property name="testjar" location="thrifttest.jar" />
 
   <target name="init">
     <tstamp />
@@ -22,6 +23,9 @@
     <exec executable="../../compiler/cpp/thrift">
       <arg line="--gen java:hashcode ../OptionalRequiredTest.thrift" />
     </exec>
+    <exec executable="../../compiler/cpp/thrift">
+      <arg line="--gen java ../DebugProtoTest.thrift" />
+    </exec>
   </target>
 
   <target name="compileonly">
@@ -30,12 +34,16 @@
   </target>
 
   <target name="compile" depends="init,generate,compileonly">
-    <jar jarfile="thrifttest.jar" basedir="${build}"/>
+    <jar jarfile="${testjar}" basedir="${build}"/>
   </target>
 
   <target name="test" depends="compile">
-    <java classname="com.facebook.thrift.test.IdentityTest" classpath="${cpath}:./thrifttest.jar"/>
-    <java classname="com.facebook.thrift.test.EqualityTest" classpath="${cpath}:./thrifttest.jar"/>
+    <java classname="com.facebook.thrift.test.JSONProtoTest"
+      classpath="${cpath}:${testjar}:${gen}" failonerror="true" />
+    <java classname="com.facebook.thrift.test.IdentityTest"
+      classpath="${cpath}:${testjar}:${gen}" failonerror="true" />
+    <java classname="com.facebook.thrift.test.EqualityTest"
+      classpath="${cpath}:${testjar}:${gen}" failonerror="true" />
   </target>
 
   <target name="clean">
diff --git a/test/java/src/JSONProtoTest.java b/test/java/src/JSONProtoTest.java
new file mode 100644
index 0000000..4177765
--- /dev/null
+++ b/test/java/src/JSONProtoTest.java
@@ -0,0 +1,163 @@
+package com.facebook.thrift.test;
+
+// Generated code
+import thrift.test.*;
+
+import com.facebook.thrift.transport.TMemoryBuffer;
+import com.facebook.thrift.protocol.TJSONProtocol;
+
+import java.util.Map;
+import java.util.HashMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.List;
+import java.util.ArrayList;
+
+/**
+ * Tests for the Java implementation of TJSONProtocol. Mirrors the C++ version
+ *
+ * @author Chad Walters <chad@powerset.com>
+ */
+public class JSONProtoTest {
+
+  private static final byte[] kUnicodeBytes = {
+    (byte)0xd3, (byte)0x80, (byte)0xe2, (byte)0x85, (byte)0xae, (byte)0xce,
+    (byte)0x9d, (byte)0x20, (byte)0xd0, (byte)0x9d, (byte)0xce, (byte)0xbf,
+    (byte)0xe2, (byte)0x85, (byte)0xbf, (byte)0xd0, (byte)0xbe, (byte)0xc9,
+    (byte)0xa1, (byte)0xd0, (byte)0xb3, (byte)0xd0, (byte)0xb0, (byte)0xcf,
+    (byte)0x81, (byte)0xe2, (byte)0x84, (byte)0x8e, (byte)0x20, (byte)0xce,
+    (byte)0x91, (byte)0x74, (byte)0x74, (byte)0xce, (byte)0xb1, (byte)0xe2,
+    (byte)0x85, (byte)0xbd, (byte)0xce, (byte)0xba, (byte)0x83, (byte)0xe2,
+    (byte)0x80, (byte)0xbc
+  };
+
+  public static void main(String [] args) throws Exception {
+   try {
+      System.out.println("In JSON Proto test");
+
+      OneOfEach ooe = new OneOfEach();
+      ooe.im_true   = true;
+      ooe.im_false  = false;
+      ooe.a_bite    = (byte)0xd6;
+      ooe.integer16 = 27000;
+      ooe.integer32 = 1<<24;
+      ooe.integer64 = (long)6000 * 1000 * 1000;
+      ooe.double_precision = Math.PI;
+      ooe.some_characters  = "JSON THIS! \"\1";
+      ooe.zomg_unicode     = new String(kUnicodeBytes, "UTF-8");
+
+
+      Nesting n = new Nesting(new Bonk(), new OneOfEach());
+      n.my_ooe.integer16 = 16;
+      n.my_ooe.integer32 = 32;
+      n.my_ooe.integer64 = 64;
+      n.my_ooe.double_precision = (Math.sqrt(5)+1)/2;
+      n.my_ooe.some_characters  = ":R (me going \"rrrr\")";
+      n.my_ooe.zomg_unicode     = new String(kUnicodeBytes, "UTF-8");
+      n.my_bonk.type    = 31337;
+      n.my_bonk.message = "I am a bonk... xor!";
+
+      HolyMoley hm = new HolyMoley();
+
+      hm.big = new ArrayList<OneOfEach>();
+      hm.big.add(ooe);
+      hm.big.add(n.my_ooe);
+      hm.big.get(0).a_bite = (byte)0x22;
+      hm.big.get(1).a_bite = (byte)0x23;
+
+      hm.contain = new HashSet<List<String>>();
+      ArrayList<String> stage1 = new ArrayList<String>(2);
+      stage1.add("and a one");
+      stage1.add("and a two");
+      hm.contain.add(stage1);
+      stage1 = new ArrayList<String>(3);
+      stage1.add("then a one, two");
+      stage1.add("three!");
+      stage1.add("FOUR!!");
+      hm.contain.add(stage1);
+      stage1 = new ArrayList<String>(0);
+      hm.contain.add(stage1);
+
+      ArrayList<Bonk> stage2 = new ArrayList<Bonk>();
+      hm.bonks = new HashMap<String, List<Bonk>>();
+      hm.bonks.put("nothing", stage2);
+      Bonk b = new Bonk();
+      b.type = 1;
+      b.message = "Wait.";
+      stage2.add(b);
+      b = new Bonk();
+      b.type = 2;
+      b.message = "What?";
+      stage2.add(b);
+      stage2 = new ArrayList<Bonk>();
+      hm.bonks.put("something", stage2);
+      b = new Bonk();
+      b.type = 3;
+      b.message = "quoth";
+      b = new Bonk();
+      b.type = 4;
+      b.message = "the raven";
+      b = new Bonk();
+      b.type = 5;
+      b.message = "nevermore";
+      hm.bonks.put("poe", stage2);
+
+      TMemoryBuffer buffer = new TMemoryBuffer(1024);
+      TJSONProtocol proto = new TJSONProtocol(buffer);
+
+      System.out.println("Writing ooe");
+      ooe.write(proto);
+      System.out.println("Reading ooe");
+      OneOfEach ooe2 = new OneOfEach();
+      ooe2.read(proto);
+
+      System.out.println("Comparing ooe");
+      if (!ooe.equals(ooe2)) {
+        throw new RuntimeException("ooe != ooe2");
+      }
+
+      System.out.println("Writing hm");
+      hm.write(proto);
+
+      System.out.println("Reading hm");
+      HolyMoley hm2 = new HolyMoley();
+      hm2.read(proto);
+
+      System.out.println("Comparing hm");
+      if (!hm.equals(hm2)) {
+        throw new RuntimeException("hm != hm2");
+      }
+
+      hm2.big.get(0).a_bite = (byte)0xFF;
+      if (hm.equals(hm2)) {
+        throw new RuntimeException("hm should not equal hm2");
+      }
+
+      Base64 base = new Base64();
+      base.a = 123;
+      base.b1 = "1".getBytes("UTF-8");
+      base.b2 = "12".getBytes("UTF-8");
+      base.b3 = "123".getBytes("UTF-8");
+      base.b4 = "1234".getBytes("UTF-8");
+      base.b5 = "12345".getBytes("UTF-8");
+      base.b6 = "123456".getBytes("UTF-8");
+
+      System.out.println("Writing base");
+      base.write(proto);
+
+      System.out.println("Reading base");
+      Base64 base2 = new Base64();
+      base2.read(proto);
+
+      System.out.println("Comparing base");
+      if (!base.equals(base2)) {
+        throw new RuntimeException("base != base2");
+      }
+
+    } catch (Exception ex) {
+      ex.printStackTrace();
+      throw ex;
+   }
+  }
+
+}