バケツジェネレータのテストを追加

Author: k163377

src/test/kotlin/com/mapk/fastkfunction/argumentBucket/BucketGeneratorTest.kt

@@ -0,0 +1,53 @@
+package com.mapk.fastkfunction.argumentBucket
+
+import com.mapk.fastkfunction.argumentbucket.BucketGenerator
+import org.junit.jupiter.api.Assertions.assertArrayEquals
+import org.junit.jupiter.api.Nested
+import org.junit.jupiter.api.Test
+import kotlin.reflect.full.companionObjectInstance
+import kotlin.reflect.full.functions
+
+private fun String.extensionFunction(arg1: String, arg2: String): String = this + arg1 + arg2
+
+class BucketGeneratorTest {
+    private fun instanceFunction(arg1: String, arg2: String): String = arg1 + arg2
+
+    companion object {
+        fun companionObjectFunction(arg1: String, arg2: String): String = arg1 + arg2
+    }
+
+    @Test
+    fun withoutInstanceTest() {
+        val generator = BucketGenerator(::instanceFunction.parameters, null)
+
+        assertArrayEquals(arrayOfNulls<Any?>(2), generator.getOriginalValueArray())
+        assertArrayEquals(BooleanArray(2), generator.getOriginalInitializationStatuses())
+        assertArrayEquals(Array(2) { it }, generator.getValueArrayGetter().invoke(Array(2) { it }))
+    }
+
+    @Nested
+    inner class WithInstanceTest {
+        @Test
+        fun companionObjectFunction() {
+            val companionObject = BucketGeneratorTest::class.companionObjectInstance!!
+            val function = companionObject::class.functions.first { it.name == "companionObjectFunction" }
+
+            val generator = BucketGenerator(function.parameters, companionObject)
+
+            assertArrayEquals(arrayOf(companionObject, null, null), generator.getOriginalValueArray())
+            assertArrayEquals(booleanArrayOf(true, false, false), generator.getOriginalInitializationStatuses())
+            assertArrayEquals(arrayOf(1, 2), generator.getValueArrayGetter().invoke(Array(3) { it }))
+        }
+
+        @Test
+        fun extensionFunction() {
+            val function = String::extensionFunction
+
+            val generator = BucketGenerator(function.parameters, "instance")
+
+            assertArrayEquals(arrayOf("instance", null, null), generator.getOriginalValueArray())
+            assertArrayEquals(booleanArrayOf(true, false, false), generator.getOriginalInitializationStatuses())
+            assertArrayEquals(arrayOf(1, 2), generator.getValueArrayGetter().invoke(Array(3) { it }))
+        }
+    }
+}