diff --git a/src/node/test/common_test.js b/src/node/test/common_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..c336955963675ee929d0d5872f7aa88fcdc48328
--- /dev/null
+++ b/src/node/test/common_test.js
@@ -0,0 +1,89 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+var assert = require('assert');
+
+var common = require('../src/common.js');
+
+var ProtoBuf = require('protobufjs');
+
+var messages_proto = ProtoBuf.loadProtoFile(__dirname + '/test_messages.proto').build();
+
+describe('Proto message serialize and deserialize', function() {
+ var longSerialize = common.serializeCls(messages_proto.LongValues);
+ var longDeserialize = common.deserializeCls(messages_proto.LongValues);
+ var pos_value = '314159265358979';
+ var neg_value = '-27182818284590';
+ it('should preserve positive int64 values', function() {
+ var serialized = longSerialize({int_64: pos_value});
+ assert.strictEqual(longDeserialize(serialized).int_64.toString(),
+ pos_value);
+ });
+ it('should preserve negative int64 values', function() {
+ var serialized = longSerialize({int_64: neg_value});
+ assert.strictEqual(longDeserialize(serialized).int_64.toString(),
+ neg_value);
+ });
+ it('should preserve uint64 values', function() {
+ var serialized = longSerialize({uint_64: pos_value});
+ assert.strictEqual(longDeserialize(serialized).uint_64.toString(),
+ pos_value);
+ });
+ it('should preserve positive sint64 values', function() {
+ var serialized = longSerialize({sint_64: pos_value});
+ assert.strictEqual(longDeserialize(serialized).sint_64.toString(),
+ pos_value);
+ });
+ it('should preserve negative sint64 values', function() {
+ var serialized = longSerialize({sint_64: neg_value});
+ assert.strictEqual(longDeserialize(serialized).sint_64.toString(),
+ neg_value);
+ });
+ it('should preserve fixed64 values', function() {
+ var serialized = longSerialize({fixed_64: pos_value});
+ assert.strictEqual(longDeserialize(serialized).fixed_64.toString(),
+ pos_value);
+ });
+ it('should preserve positive sfixed64 values', function() {
+ var serialized = longSerialize({sfixed_64: pos_value});
+ assert.strictEqual(longDeserialize(serialized).sfixed_64.toString(),
+ pos_value);
+ });
+ it('should preserve negative sfixed64 values', function() {
+ var serialized = longSerialize({sfixed_64: neg_value});
+ assert.strictEqual(longDeserialize(serialized).sfixed_64.toString(),
+ neg_value);
+ });
+});
diff --git a/src/node/test/test_messages.proto b/src/node/test/test_messages.proto
new file mode 100644
index 0000000000000000000000000000000000000000..685e9482bd23dc2128a84130430e9c3741cdd351
--- /dev/null
+++ b/src/node/test/test_messages.proto
@@ -0,0 +1,38 @@
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+message LongValues {
+ int64 int_64 = 1;
+ uint64 uint_64 = 2;
+ sint64 sint_64 = 3;
+ fixed64 fixed_64 = 4;
+ sfixed64 sfixed_64 = 5;
+}
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