diff --git a/lib/rb/spec/Referenced.thrift b/lib/rb/spec/Referenced.thrift
new file mode 100644
index 0000000..98f183f
--- /dev/null
+++ b/lib/rb/spec/Referenced.thrift
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you 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.
+#
+
+namespace rb OtherNamespace
+
+enum SomeEnum {
+  ONE
+  TWO
+}
diff --git a/lib/rb/spec/ThriftNamespacedSpec.thrift b/lib/rb/spec/ThriftNamespacedSpec.thrift
new file mode 100644
index 0000000..02f2889
--- /dev/null
+++ b/lib/rb/spec/ThriftNamespacedSpec.thrift
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ */
+
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you 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.
+#
+
+namespace rb NamespacedSpecNamespace
+
+include "Referenced.thrift"
+
+struct Hello {
+  1: string greeting = "hello world"
+}
+
+service NamespacedNonblockingService {
+  Hello greeting(1:bool english)
+  bool block()
+  oneway void unblock(1:i32 n)
+  oneway void shutdown()
+  void sleep(1:double seconds)
+}
diff --git a/lib/rb/spec/namespaced_spec.rb b/lib/rb/spec/namespaced_spec.rb
new file mode 100644
index 0000000..8d4f88b
--- /dev/null
+++ b/lib/rb/spec/namespaced_spec.rb
@@ -0,0 +1,62 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you 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.
+#
+
+require 'spec_helper'
+
+describe 'namespaced generation' do
+  before do
+    require 'namespaced_spec_namespace/namespaced_nonblocking_service'
+  end
+
+  it "generated the right files" do
+    prefix = File.expand_path("../gen-rb", __FILE__)
+    ["namespaced_spec_namespace/namespaced_nonblocking_service.rb",
+     "namespaced_spec_namespace/thrift_namespaced_spec_constants.rb",
+     "namespaced_spec_namespace/thrift_namespaced_spec_types.rb",
+     "other_namespace/referenced_constants.rb",
+     "other_namespace/referenced_types.rb"
+    ].each do |name|
+      File.exist?(File.join(prefix, name)).should be_true
+    end
+  end
+
+  it "did not generate the wrong files" do
+    prefix = File.expand_path("../gen-rb", __FILE__)
+    ["namespaced_nonblocking_service.rb",
+     "thrift_namespaced_spec_constants.rb",
+     "thrift_namespaced_spec_types.rb",
+     "referenced_constants.rb",
+     "referenced_types.rb"
+    ].each do |name|
+      File.exist?(File.join(prefix, name)).should_not be_true
+    end
+  end
+
+  it "has a service class in the right place" do
+    defined?(NamespacedSpecNamespace::NamespacedNonblockingService).should be_true
+  end
+
+  it "has a struct in the right place" do
+    defined?(NamespacedSpecNamespace::Hello).should be_true
+  end
+
+  it "required an included file" do
+    defined?(OtherNamespace::SomeEnum).should be_true
+  end
+end