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test/storage_adaptor_serialization_test.cpp

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+// Copyright 2018 Hans Dembinski
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/core/lightweight_test.hpp>
+#include <boost/archive/text_iarchive.hpp>
+#include <boost/archive/text_oarchive.hpp>
+#include <boost/histogram/serialization.hpp>
+#include <boost/histogram/histogram_fwd.hpp>
+#include <boost/histogram/storage_adaptor.hpp>
+#include <map>
+#include <vector>
+#include <unordered_map>
+#include <array>
+#include <memory>
+#include <sstream>
+
+using namespace boost::histogram;
+
+template <typename T>
+void test_serialization() {
+  auto a = storage_adaptor<T>();
+  a.reset(3);
+  a(0);
+  a(2);
+  std::ostringstream os;
+  std::string buf;
+  {
+    std::ostringstream os;
+    boost::archive::text_oarchive oa(os);
+    oa << a;
+    buf = os.str();
+  }
+  auto b = storage_adaptor<T>();
+  BOOST_TEST(!(a == b));
+  {
+    std::istringstream is(buf);
+    boost::archive::text_iarchive ia(is);
+    ia >> b;
+  }
+  BOOST_TEST(a == b);
+}
+
+int main() {
+  test_serialization<std::vector<int>>();
+  // test_serialization<std::map<std::size_t, double>>();
+  // test_serialization<std::array<unsigned, 10>>();
+
+  return boost::report_errors();
+}