test: clean test codes 🧹💕

cffu-core/src/test/java/io/foldright/cffu/CffuStateTest.kt

@@ -0,0 +1,26 @@
+package io.foldright.cffu
+
+import io.kotest.matchers.shouldBe
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.condition.EnabledForJreRange
+import org.junit.jupiter.api.condition.JRE.JAVA_19
+import java.util.concurrent.Future
+
+@EnabledForJreRange(min = JAVA_19)
+private class CffuStateTest {
+    @Test
+    fun toCffuState() {
+        CffuState.toCffuState(Future.State.RUNNING) shouldBe CffuState.RUNNING
+        CffuState.toCffuState(Future.State.SUCCESS) shouldBe CffuState.SUCCESS
+        CffuState.toCffuState(Future.State.FAILED) shouldBe CffuState.FAILED
+        CffuState.toCffuState(Future.State.CANCELLED) shouldBe CffuState.CANCELLED
+    }
+
+    @Test
+    fun toFutureState() {
+        CffuState.RUNNING.toFutureState() shouldBe Future.State.RUNNING
+        CffuState.SUCCESS.toFutureState() shouldBe Future.State.SUCCESS
+        CffuState.FAILED.toFutureState() shouldBe Future.State.FAILED
+        CffuState.CANCELLED.toFutureState() shouldBe Future.State.CANCELLED
+    }
+}

cffu-core/src/test/java/io/foldright/cffu/CffuTestHelper.kt

@@ -0,0 +1,16 @@
+@file:JvmName("CffuTestHelper")
+
+package io.foldright.cffu
+
+import io.foldright.cffu.CffuFactoryBuilder.CffuMadeExecutor
+import java.util.concurrent.Executor
+
+fun CffuFactory.unwrapMadeExecutor(): Executor {
+    val executor = defaultExecutor() as CffuMadeExecutor
+    return executor.unwrap()
+}
+
+fun Cffu<*>.unwrapMadeExecutor(): Executor {
+    val executor = defaultExecutor() as CffuMadeExecutor
+    return executor.unwrap()
+}