コンパニオンオブジェクトを入れたときの呼び出し関連テストを追加

Author: k163377

src/test/kotlin/com/mapk/core/KFunctionForCallTest.kt

@@ -1,5 +1,7 @@
 package com.mapk.core
 
+import kotlin.reflect.full.functions
+import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Nested
 import org.junit.jupiter.api.Test
@@ -33,4 +35,28 @@ class KFunctionForCallTest {
             assertDoesNotThrow { KFunctionForCall(this::dummy2) }
         }
     }
+
+    @Nested
+    @DisplayName("呼び出し関連テスト")
+    inner class CallTest {
+        @Test
+        @DisplayName("コンパニオンオブジェクトから取得した場合")
+        fun fromCompanionObject() {
+            val function =
+                Companion::class.functions.find { it.name == (KFunctionForCallTest)::declaredOnCompanionObject.name }!!
+
+            val kFunctionForCall = KFunctionForCall(function, Companion)
+
+            val bucket = kFunctionForCall.getArgumentBucket()
+            kFunctionForCall.parameters.forEach { bucket.setArgument(it, it.index) }
+            val result = kFunctionForCall.call(bucket)
+            assertEquals("12", result)
+        }
+    }
+
+    companion object {
+        fun declaredOnCompanionObject(arg1: Any, arg2: Any): String {
+            return arg1.toString() + arg2.toString()
+        }
+    }
 }