Add test for path serialisation

test/cereal_specialize_path.cpp

@@ -0,0 +1,30 @@
+#include <cassert>
+#include <fstream>
+#include <string>
+
+#include <cereal/archives/json.hpp>
+#include <cereal/types/string.hpp>
+#include <ghc/filesystem.hpp>
+
+#include "../src/Toolkit/ExtraCerealTypes/GHCFilesystemPath.hpp"
+
+int main(int argc, char const *argv[]) {
+    ghc::filesystem::path ref{"hihi/haha/hoho.jpg"};
+    {
+        std::ofstream file;
+        file.open("cereal_test_specialize_path.json", std::ofstream::trunc | std::ofstream::out);
+        cereal::JSONOutputArchive archive{file};
+        archive(ref);
+    }
+
+    ghc::filesystem::path test;
+    {
+        std::ifstream file;
+        file.open("cereal_test_specialize_path.json", std::ifstream::in);
+        cereal::JSONInputArchive archive{file};
+        archive(test);
+    }
+    assert((ref == test));
+    //std::remove("cereal_test_specialize_path.json");
+    return 0;
+}

test/meson.build

@@ -1,6 +1,7 @@
 test_files = [
     'cereal_specialize_enums.cpp',
-    'cereal_unordered_map.cpp'
+    'cereal_unordered_map.cpp',
+    'cereal_specialize_path.cpp'
 ]
 
 foreach test_file : test_files