mw/com: add unit tests for MethodType

score/mw/com/impl/BUILD

@@ -1081,6 +1081,15 @@ cc_unit_test(
     ],
 )
 
+cc_unit_test(
+    name = "method_type_test",
+    srcs = ["method_type_test.cpp"],
+    features = COMPILER_WARNING_FEATURES,
+    deps = [
+        ":method_type",
+    ],
+)
+
 cc_unit_test(
     name = "sample_reference_tracker_test",
     srcs = ["sample_reference_tracker_test.cpp"],

score/mw/com/impl/method_type_test.cpp

@@ -0,0 +1,65 @@
+/********************************************************************************
+ * Copyright (c) 2026 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ********************************************************************************/
+#include "score/mw/com/impl/method_type.h"
+
+#include <gtest/gtest.h>
+
+namespace score::mw::com::impl
+{
+namespace
+{
+
+TEST(MethodTypeToStringTest, ReturnsMethodForKMethod)
+{
+    // Given a MethodType of kMethod
+    // When converting to string
+    // Then the result is "Method"
+    EXPECT_EQ(to_string(MethodType::kMethod), "Method");
+}
+
+TEST(MethodTypeToStringTest, ReturnsGetForKGet)
+{
+    // Given a MethodType of kGet
+    // When converting to string
+    // Then the result is "Get"
+    EXPECT_EQ(to_string(MethodType::kGet), "Get");
+}
+
+TEST(MethodTypeToStringTest, ReturnsSetForKSet)
+{
+    // Given a MethodType of kSet
+    // When converting to string
+    // Then the result is "Set"
+    EXPECT_EQ(to_string(MethodType::kSet), "Set");
+}
+
+TEST(MethodTypeToStringTest, ReturnsUnknownForKUnknown)
+{
+    // Given a MethodType of kUnknown
+    // When converting to string
+    // Then the result is "Unknown"
+    EXPECT_EQ(to_string(MethodType::kUnknown), "Unknown");
+}
+
+TEST(MethodTypeToStringTest, ReturnsInvalidForOutOfRangeValue)
+{
+    // Given an out-of-range MethodType value
+    const auto invalid_value = static_cast<MethodType>(255);
+
+    // When converting to string
+    // Then the result is "Invalid"
+    EXPECT_EQ(to_string(invalid_value), "Invalid");
+}
+
+}  // namespace
+}  // namespace score::mw::com::impl