Avoid reference from Java to Kotlin code

Author: marcphilipp

jupiter-tests/src/test/java/org/junit/jupiter/params/ParameterizedClassIntegrationTests.java

@@ -94,11 +94,11 @@ public class ParameterizedClassIntegrationTests extends AbstractJupiterTestEngin
 
 	@ParameterizedTest
 	@ValueSource(classes = { ConstructorInjectionTestCase.class, RecordTestCase.class,
-			RecordWithParameterAnnotationOnComponentTestCase.class, ParameterizedDataClassTestCase.class,
-			FieldInjectionTestCase.class, RecordWithBuiltInConverterTestCase.class,
-			RecordWithRegisteredConversionTestCase.class, FieldInjectionWithRegisteredConversionTestCase.class,
-			RecordWithBuiltInAggregatorTestCase.class, FieldInjectionWithBuiltInAggregatorTestCase.class,
-			RecordWithCustomAggregatorTestCase.class, FieldInjectionWithCustomAggregatorTestCase.class })
+			RecordWithParameterAnnotationOnComponentTestCase.class, FieldInjectionTestCase.class,
+			RecordWithBuiltInConverterTestCase.class, RecordWithRegisteredConversionTestCase.class,
+			FieldInjectionWithRegisteredConversionTestCase.class, RecordWithBuiltInAggregatorTestCase.class,
+			FieldInjectionWithBuiltInAggregatorTestCase.class, RecordWithCustomAggregatorTestCase.class,
+			FieldInjectionWithCustomAggregatorTestCase.class })
 	void injectsParametersIntoContainerTemplate(Class<?> containerTemplateClass) {
 
 		var results = executeTestsForClass(containerTemplateClass);

jupiter-tests/src/test/kotlin/org/junit/jupiter/params/ParameterizedClassKotlinIntegrationTests.kt

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2015-2025 the original author or authors.
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v2.0 which
+ * accompanies this distribution and is available at
+ *
+ * https://www.eclipse.org/legal/epl-v20.html
+ */
+package org.junit.jupiter.params
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInfo
+import org.junit.jupiter.params.provider.ValueSource
+import org.junit.platform.engine.discovery.DiscoverySelectors.selectClass
+import org.junit.platform.testkit.engine.EngineTestKit
+
+class ParameterizedClassKotlinIntegrationTests {
+    @Test
+    fun supportsDataClasses() {
+        val results =
+            EngineTestKit
+                .engine("junit-jupiter")
+                .selectors(selectClass(TestCase::class.java))
+                .execute()
+
+        results.containerEvents().assertStatistics {
+            it.started(4).succeeded(4)
+        }
+        results.testEvents().assertStatistics {
+            it.started(4).succeeded(2).failed(2)
+        }
+    }
+
+    @Suppress("JUnitMalformedDeclaration")
+    @ParameterizedClass
+    @ValueSource(ints = [-1, 1])
+    data class TestCase(
+        val value: Int,
+        val testInfo: TestInfo
+    ) {
+        @Test
+        fun test1() {
+            assertEquals("test1()", testInfo.displayName)
+            assertTrue(value < 0, "negative")
+        }
+
+        @Test
+        fun test2() {
+            assertEquals("test2()", testInfo.displayName)
+            assertTrue(value < 0, "negative")
+        }
+    }
+}