Fix spurious error callbacks after shutdown; Fix tests exceptions; Added reconnect tests; release 2.0.1

Author: kzhdev

CHANGELOG.md

@@ -1,3 +1,22 @@
+# [v2.0.1] - 2026-04-27
+
+## Fixed
+- WebSocket `co_spawn` completion handler now guards `on_error_()` with a `run_` check, suppressing spurious error callbacks after shutdown.
+- Fixed use-after-free in WebSocket tests where `[&]` lambda captures referenced destroyed stack variables when async callbacks fired via IOCP after the test function returned. Affected tests (`ConnectToEchoServer`, `InvalidHostnameError`, `MultipleErrorCallbacks`, `ReconnectAfterError`, `PlainWebsocket_UrlParsing`) now use `shared_ptr` captures to extend captured variable lifetimes.
+
+## Tests
+- Added 10 comprehensive `Reconnect_*` tests verifying correct behavior when reconnecting by creating a new `Websocket` instance during normal operation (service thread always running):
+  - Graceful close → new-object reconnect
+  - Three consecutive reconnect cycles with data verification
+  - Reconnect initiated from within `on_disconnected_` callback (deadlock check)
+  - Reconnect initiated from within `on_error_` callback
+  - Reconnect after closing from within `on_data_` callback
+  - Reconnect after simulated server-side close
+  - Cross-session data integrity (no bleed via shared `io_context`/SSL context)
+  - Rapid successive cycles (service thread stability)
+  - Callback ordering across sessions (`connected` → `data` → `disconnected`)
+  - Concurrent dual-instance connect (shared SSL context)
+
 # [v2.0.0] - 2026-02-15
 
 ## Changed

CMakeLists.txt

@@ -8,7 +8,7 @@ if (MSVC)
 endif()
 
 project(slick-net
-    VERSION 2.0.0
+    VERSION 2.0.1
     LANGUAGES CXX
 )
 

src/websocket_session.cpp

@@ -84,7 +84,9 @@ void Websocket::Impl::open() {
                     std::rethrow_exception(eptr);
                 } catch (const std::exception& e) {
                     self->status_.store(Status::DISCONNECTED, std::memory_order_release);
-                    self->on_error_(e.what());
+                    if (detail::run_.load(std::memory_order_relaxed)) {
+                        self->on_error_(e.what());
+                    }
                 }
             }
         });