From 85271fcf268d8ed5d1c7e93d1af2c13888fe12ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=A5=BF=E9=A3=8E=E9=80=8D=E9=81=A5=E6=B8=B8?=
 <sunxfancy@gmail.com>
Date: Mon, 24 Aug 2026 21:00:03 +0800
Subject: [PATCH] test(plugins): cover load failure lifecycle

---
 test/plugins.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 test/plugins.cpp

diff --git a/test/plugins.cpp b/test/plugins.cpp
new file mode 100644
index 00000000..65351b3d
--- /dev/null
+++ b/test/plugins.cpp
@@ -0,0 +1,40 @@
+#include "zeroerr/assert.h"
+#include "zeroerr/unittest.h"
+
+#include "plugins/Plugins.h"
+
+#include <string>
+
+using eve::plugins::Plugins;
+
+TEST_CASE("plugins.load.rejectsEmptyPath") {
+    Plugins plugins;
+    CHECK_THROWS((plugins.load(""), false));
+    CHECK_EQ(plugins.isLoaded(""), false);
+}
+
+TEST_CASE("plugins.load.rejectsMissingLibrary") {
+    Plugins plugins;
+    const std::string missing = "evengine-plugin-that-does-not-exist.dll";
+    CHECK_THROWS((plugins.load(missing), false));
+    CHECK_EQ(plugins.isLoaded(missing), false);
+}
+
+TEST_CASE("plugins.load.closesLibraryWithoutEntrypoint") {
+    Plugins plugins;
+#if defined(_WIN32)
+    const std::string library = "kernel32.dll";
+#elif defined(__APPLE__)
+    const std::string library = "/usr/lib/libSystem.B.dylib";
+#else
+    const std::string library = "libm.so.6";
+#endif
+    CHECK_THROWS((plugins.load(library), false));
+    CHECK_EQ(plugins.isLoaded(library), false);
+    CHECK_EQ(plugins.unload(library), false);
+}
+
+TEST_CASE("plugins.unload.unknownPathIsNoop") {
+    Plugins plugins;
+    CHECK_EQ(plugins.unload("not-loaded"), false);
+}