test-double test-main-code

test/test_double/doubles/limestone_double.cpp

@@ -2,6 +2,7 @@
 #include <dlfcn.h>
 
 #include "glog/logging.h"
+//#include "shirakami/logging.h"  // span_printer for test-main
 
 #include "limestone_double.h"
 
@@ -109,3 +110,36 @@ void _ZN9limestone3api9datastore33switch_available_boundary_versionENS0_18write_
 #endif
 
 #undef EXTERN_C
+
+#if 0
+// example
+int main(int argc, char *argv[]) {
+    decltype(&main) orig_main = reinterpret_cast<decltype(&main)>(dlsym(RTLD_NEXT, "main"));
+    test_double::log_channel_add_entry1::hook_func = [](
+            test_double::log_channel_add_entry1::orig_type orig_func, limestone::api::log_channel* this_ptr,
+            limestone::api::storage_id_type storage_id, std::string_view key, std::string_view value,
+            limestone::api::write_version_type write_version) {
+        // spy func; log and pass to orig
+        LOG(INFO) << "add_entry 1 storage_id:" << storage_id << " key:" << key;
+        orig_func(this_ptr, storage_id, key, value, write_version);
+        return;
+    };
+    test_double::log_channel_add_entry2::hook_func = [](
+            test_double::log_channel_add_entry2::orig_type orig_func, limestone::api::log_channel* this_ptr,
+            limestone::api::storage_id_type storage_id, std::string_view key, std::string_view value,
+            limestone::api::write_version_type write_version, const std::vector<limestone::api::blob_id_type>& large_objects) {
+        // log and bypass to add_entry without blob
+        LOG(INFO) << "add_entry 2 storage_id:" << storage_id << " key:" << key << " blob:" << shirakami::span_printer(large_objects);
+        this_ptr->add_entry(storage_id, key, value, write_version);
+        return;
+    };
+    test_double::datastore_switch_available_boundary_version::hook_func = [](
+            test_double::datastore_switch_available_boundary_version::orig_type orig_func, limestone::api::datastore* this_ptr,
+            limestone::api::write_version_type version) {
+        // only logging, ignore
+        LOG(INFO) << "switch_available_boundary_version" /*<< version:" << version*/;
+        return;
+    };
+    return orig_main(argc, argv);
+}
+#endif