Add inline value class test

Author: Ogu1208

jupiter-tests/src/test/kotlin/org/junit/jupiter/api/kotlin/CustomInlineValueClassTest.kt

@@ -0,0 +1,39 @@
+package org.junit.jupiter.api.kotlin
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Disabled
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.Arguments
+import org.junit.jupiter.params.provider.MethodSource
+
+/**
+ * Tests for custom inline value classes.
+ *
+ * Currently, disabled: The POC only supports kotlin.Result.
+ * Support for arbitrary inline value classes needs to be added.
+ *
+ * @see <a href="https://github.com/junit-team/junit-framework/issues/5081">Issue #5081</a>
+ */
+@Disabled("POC only supports kotlin.Result, not custom inline value classes")
+class CustomInlineValueClassTest {
+
+    @MethodSource("userIdProvider")
+    @ParameterizedTest
+    fun testUserId(userId: UserId) {
+        assertEquals(123L, userId.value)
+    }
+
+    @MethodSource("emailProvider")
+    @ParameterizedTest
+    fun testEmail(email: Email) {
+        assertEquals("[email protected]", email.value)
+    }
+
+    companion object {
+        @JvmStatic
+        fun userIdProvider() = listOf(Arguments.of(UserId(123L)))
+
+        @JvmStatic
+        fun emailProvider() = listOf(Arguments.of(Email("[email protected]")))
+    }
+}

jupiter-tests/src/test/kotlin/org/junit/jupiter/api/kotlin/MultipleInlineValueClassTest.kt

@@ -0,0 +1,47 @@
+package org.junit.jupiter.api.kotlin
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.Arguments
+import org.junit.jupiter.params.provider.MethodSource
+
+class MultipleInlineValueClassTest {
+
+    @MethodSource("mixedProvider")
+    @ParameterizedTest
+    fun testMultipleValueClasses(
+        userId: UserId,
+        email: Email,
+        result: Result<String>
+    ) {
+        assertEquals(100L, userId.value)
+        assertEquals("[email protected]", email.value)
+        assertEquals("data", result.getOrThrow())
+    }
+
+    @MethodSource("normalAndValueClassProvider")
+    @ParameterizedTest
+    fun testMixedParameters(
+        normalString: String,
+        userId: UserId
+    ) {
+        assertEquals("normal", normalString)
+        assertEquals(200L, userId.value)
+    }
+
+    companion object {
+        @JvmStatic
+        fun mixedProvider() = listOf(
+            Arguments.of(
+                UserId(100L),
+                Email("[email protected]"),
+                Result.success("data")
+            )
+        )
+
+        @JvmStatic
+        fun normalAndValueClassProvider() = listOf(
+            Arguments.of("normal", UserId(200L))
+        )
+    }
+}

jupiter-tests/src/test/kotlin/org/junit/jupiter/api/kotlin/NullableInlineValueClassTest.kt

@@ -0,0 +1,38 @@
+package org.junit.jupiter.api.kotlin
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.assertNotNull
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.Arguments
+import org.junit.jupiter.params.provider.MethodSource
+
+class NullableInlineValueClassTest {
+
+    @MethodSource("nullableResultProvider")
+    @ParameterizedTest
+    fun testNullableResult(result: Result<String>?) {
+        assertNotNull(result)
+        assertEquals("test", result.getOrNull())
+    }
+
+    @MethodSource("nullableUserIdProvider")
+    @ParameterizedTest
+    fun testNullableUserId(userId: UserId?) {
+        assertNotNull(userId)
+        assertEquals(999L, userId.value)
+    }
+
+    companion object {
+        @JvmStatic
+        fun nullableResultProvider() =
+            listOf(
+                Arguments.of(Result.success("test"))
+            )
+
+        @JvmStatic
+        fun nullableUserIdProvider() =
+            listOf(
+                Arguments.of(UserId(999L))
+            )
+    }
+}

jupiter-tests/src/test/kotlin/org/junit/jupiter/api/kotlin/ValueClasses.kt

@@ -0,0 +1,7 @@
+package org.junit.jupiter.api.kotlin
+
+@JvmInline
+value class UserId(val value: Long)
+
+@JvmInline
+value class Email(val value: String)