1 files changed, 36 insertions, 0 deletions
diff --git a/test/common/HandlerRegistryTest.cpp b/test/common/HandlerRegistryTest.cpp
new file mode 100644
index 00000000..d1792c7c
--- /dev/null
+++ b/test/common/HandlerRegistryTest.cpp
@@ -0,0 +1,36 @@
+#include "cru/common/HandlerRegistry.hpp"
+
+#include <gtest/gtest.h>
+#include <algorithm>
+
+TEST(HandlerRegistry, Work) {
+  using namespace cru;
+  HandlerRegistry<void()> registry;
+
+  int counter = 1;
+
+  auto tag1 = registry.AddHandler([&counter] { counter++; });
+  auto tag2 = registry.AddHandler([&counter] { counter++; });
+
+  for (const auto& handler : registry) {
+    handler();
+  }
+
+  ASSERT_EQ(counter, 3);
+
+  registry.RemoveHandler(tag1);
+
+  for (const auto& handler : registry) {
+    handler();
+  }
+
+  ASSERT_EQ(counter, 4);
+
+  registry.RemoveHandler(tag2);
+
+  for (const auto& handler : registry) {
+    handler();
+  }
+
+  ASSERT_EQ(counter, 4);
+}