diff --git a/com.google.eclipse.protobuf.junit/.classpath b/com.google.eclipse.protobuf.junit/.classpath
new file mode 100644
index 0000000..64c5e31
--- /dev/null
+++ b/com.google.eclipse.protobuf.junit/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/com.google.eclipse.protobuf.junit/.project b/com.google.eclipse.protobuf.junit/.project
new file mode 100644
index 0000000..95821b0
--- /dev/null
+++ b/com.google.eclipse.protobuf.junit/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>com.google.eclipse.protobuf.junit</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/com.google.eclipse.protobuf.junit/.settings/org.eclipse.jdt.core.prefs b/com.google.eclipse.protobuf.junit/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..7673078
--- /dev/null
+++ b/com.google.eclipse.protobuf.junit/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,8 @@
+#Tue Apr 26 10:54:01 PDT 2011
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
+org.eclipse.jdt.core.compiler.compliance=1.5
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.5
diff --git a/com.google.eclipse.protobuf.junit/META-INF/MANIFEST.MF b/com.google.eclipse.protobuf.junit/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..283dcfa
--- /dev/null
+++ b/com.google.eclipse.protobuf.junit/META-INF/MANIFEST.MF
@@ -0,0 +1,22 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: JUnit support for testing
+Bundle-SymbolicName: com.google.eclipse.protobuf.junit
+Bundle-Version: 1.0.0.qualifier
+Bundle-Vendor: Google
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Require-Bundle: org.junit;bundle-version="4.8.1",
+ org.junit.source;bundle-version="4.8.1",
+ com.google.eclipse.protobuf;bundle-version="1.0.0",
+ org.eclipse.xtext;bundle-version="2.0.0",
+ org.eclipse.xtext.source;bundle-version="2.0.0",
+ org.eclipse.xtext.junit;bundle-version="2.0.0",
+ org.eclipse.xtext.junit.source;bundle-version="2.0.0",
+ org.eclipse.xtext.junit4;bundle-version="2.0.0",
+ org.eclipse.xtext.junit4.source;bundle-version="2.0.0",
+ org.eclipse.xtext.ui.junit;bundle-version="2.0.0",
+ org.eclipse.xtext.ui.junit.source;bundle-version="2.0.0",
+ org.eclipse.emf.ecore,
+ org.eclipse.emf.common,
+ com.google.inject;bundle-version="2.0.0"
+Export-Package: com.google.eclipse.protobuf.junit
diff --git a/com.google.eclipse.protobuf.junit/build.properties b/com.google.eclipse.protobuf.junit/build.properties
new file mode 100644
index 0000000..34d2e4d
--- /dev/null
+++ b/com.google.eclipse.protobuf.junit/build.properties
@@ -0,0 +1,4 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .
diff --git a/com.google.eclipse.protobuf.junit/src/com/google/eclipse/protobuf/junit/XtextRule.java b/com.google.eclipse.protobuf.junit/src/com/google/eclipse/protobuf/junit/XtextRule.java
new file mode 100644
index 0000000..35c78f4
--- /dev/null
+++ b/com.google.eclipse.protobuf.junit/src/com/google/eclipse/protobuf/junit/XtextRule.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2011 Google Inc.
+ *
+ * All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse
+ * Public License v1.0 which accompanies this distribution, and is available at
+ *
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package com.google.eclipse.protobuf.junit;
+
+import java.io.InputStreamReader;
+
+import org.eclipse.xtext.parser.IParseResult;
+import org.eclipse.xtext.util.StringInputStream;
+import org.junit.rules.MethodRule;
+import org.junit.runners.model.FrameworkMethod;
+import org.junit.runners.model.Statement;
+
+import com.google.eclipse.protobuf.ProtobufStandaloneSetup;
+import com.google.eclipse.protobuf.parser.antlr.ProtobufParser;
+import com.google.eclipse.protobuf.protobuf.Protobuf;
+import com.google.inject.Injector;
+
+/**
+ * Understands SOMETHING DUMMY.
+ *
+ * @author alruiz@google.com (Alex Ruiz)
+ */
+public class XtextRule implements MethodRule {
+
+  private Injector injector;
+
+  public Statement apply(Statement base, FrameworkMethod method, Object target) {
+    return new XtextStatement(base);
+  }
+
+  public Injector injector() {
+    return injector;
+  }
+
+  public <T> T getInstanceOf(Class<T> type) {
+    return injector.getInstance(type);
+  }
+
+  public Protobuf parse(String text) {
+    ProtobufParser parser = injector.getInstance(ProtobufParser.class);
+    IParseResult parseResult = parser.parse(new InputStreamReader(new StringInputStream(text)));
+    return (Protobuf) parseResult.getRootASTElement();
+  }
+
+  private class XtextStatement extends Statement {
+    private final Statement base;
+
+    public XtextStatement(Statement base) {
+      this.base = base;
+    }
+
+    /** {@inheritDoc} */
+    public void evaluate() throws Throwable {
+      setUpInjector();
+      base.evaluate();
+    }
+
+    private void setUpInjector() {
+      injector = new ProtobufStandaloneSetup().createInjectorAndDoEMFRegistration();
+    }
+  }
+}