Simple unit test for msgpack

modules/io/tests/test_io_msgpack.cc

@@ -20,4 +20,46 @@
 // the idea of this test is basically to check that we MessagePack is available
 // to OST. Real testing of MessagePack should happen in that project itself.
 
+#define BOOST_TEST_DYN_LINK
+#include <boost/test/unit_test.hpp>
+#include <boost/test/auto_unit_test.hpp>
+#include <string>
+
+#include <ost/string_ref.hh>
 #include <ost/io/msgpack/msgpack.hpp>
+
+using namespace ost;
+
+BOOST_AUTO_TEST_SUITE( io );
+
+BOOST_AUTO_TEST_CASE(msgpack_test)
+{
+  /* just trying if MsgPack works in general, mostly copied from the examples at
+     http://msgpack.org/index.html */
+  msgpack::type::tuple<int, bool, String> src(1, true, "example");
+
+  // Serialize the object into the buffer.
+  std::stringstream buffer;
+  msgpack::pack(buffer, src);
+
+  // send the buffer ...
+  buffer.seekg(0);
+
+  // deserialize the buffer into msgpack::object instance.
+  String str(buffer.str());
+  msgpack::object_handle oh = msgpack::unpack(str.data(), str.size());
+
+  /* Deserialized object is valid during the msgpack::object_handle instance is
+     alive. */
+  msgpack::object deserialized = oh.get();
+
+  /* Convert msgpack::object instance into the original type.
+     If the type is mismatched, it throws msgpack::type_error exception. */
+  msgpack::type::tuple<int, bool, String> dst;
+  deserialized.convert(dst);
+  BOOST_CHECK(msgpack::type::get<0>(dst) == 1);
+  BOOST_CHECK(msgpack::type::get<1>(dst) == true);
+  BOOST_CHECK(msgpack::type::get<2>(dst) == "example");
+}
+
+BOOST_AUTO_TEST_SUITE_END();