From b7c5028daf5ae90542a55a91936450a4319edc9a Mon Sep 17 00:00:00 2001
From: Lin Huang <lin.huang@eosnetwork.com>
Date: Tue, 2 Jan 2024 15:45:54 -0500
Subject: [PATCH] add missing forward declaration for packing/unpacking
 dynamic_bitset; add tests

---
 libraries/libfc/include/fc/io/raw.hpp |  2 ++
 libraries/libfc/test/CMakeLists.txt   |  1 +
 libraries/libfc/test/io/test_raw.cpp  | 38 +++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 libraries/libfc/test/io/test_raw.cpp

diff --git a/libraries/libfc/include/fc/io/raw.hpp b/libraries/libfc/include/fc/io/raw.hpp
index 171d8f97f0..f63bcfa2f1 100644
--- a/libraries/libfc/include/fc/io/raw.hpp
+++ b/libraries/libfc/include/fc/io/raw.hpp
@@ -35,6 +35,8 @@ namespace fc {
     template<typename Stream> void unpack( Stream& s,  Int<256>& n );
     template<typename Stream, typename T> void pack( Stream& s, const boost::multiprecision::number<T>& n );
     template<typename Stream, typename T> void unpack( Stream& s,  boost::multiprecision::number<T>& n );
+    template<typename Stream, typename T> void pack( Stream& s, const boost::dynamic_bitset<T>& bs );
+    template<typename Stream, typename T> void unpack( Stream& s,  boost::dynamic_bitset<T>& bs );
 
     template<typename Stream, typename Arg0, typename... Args>
     inline void pack( Stream& s, const Arg0& a0, const Args&... args ) {
diff --git a/libraries/libfc/test/CMakeLists.txt b/libraries/libfc/test/CMakeLists.txt
index 0c33b8fab9..205ebffc7b 100644
--- a/libraries/libfc/test/CMakeLists.txt
+++ b/libraries/libfc/test/CMakeLists.txt
@@ -8,6 +8,7 @@ add_executable( test_fc
         crypto/test_webauthn.cpp
         io/test_cfile.cpp
         io/test_json.cpp
+        io/test_raw.cpp
         io/test_tracked_storage.cpp
         network/test_message_buffer.cpp
         scoped_exit/test_scoped_exit.cpp
diff --git a/libraries/libfc/test/io/test_raw.cpp b/libraries/libfc/test/io/test_raw.cpp
new file mode 100644
index 0000000000..0ff902a97a
--- /dev/null
+++ b/libraries/libfc/test/io/test_raw.cpp
@@ -0,0 +1,38 @@
+#include <fc/exception/exception.hpp>
+#include <fc/io/raw.hpp>
+
+#include <boost/test/unit_test.hpp>
+#include <boost/dynamic_bitset.hpp>
+
+using namespace fc;
+
+BOOST_AUTO_TEST_SUITE(raw_test_suite)
+
+
+BOOST_AUTO_TEST_CASE(dynamic_bitset_test)
+{
+   constexpr uint8_t bits = 0b00011110;
+   boost::dynamic_bitset<uint8_t> bs1(8, bits); // bit set size 8
+   
+   char buff[4];
+   datastream<char*> ds(buff, sizeof(buff));
+
+   fc::raw::pack( ds, bs1 );
+
+   boost::dynamic_bitset<uint8_t> bs2(8);
+   ds.seekp(0);
+   fc::raw::unpack( ds, bs2 );
+
+   // 0b00011110
+   BOOST_CHECK(!bs2.test(0));
+   BOOST_CHECK(bs2.test(1));
+   BOOST_CHECK(bs2.test(2));
+   BOOST_CHECK(bs2.test(2));
+   BOOST_CHECK(bs2.test(3));
+   BOOST_CHECK(bs2.test(4));
+   BOOST_CHECK(!bs2.test(5));
+   BOOST_CHECK(!bs2.test(6));
+   BOOST_CHECK(!bs2.test(7));
+}
+
+BOOST_AUTO_TEST_SUITE_END()