[Reflection] Support java sealed classes in kotlin reflection

^KT-46778

compiler/testData/codegen/boxModernJdk/testsWithJava17/sealedJavaClassViaKotlinReflection.kt

@@ -0,0 +1,21 @@
+// WITH_REFLECT
+// FILE: Base.java
+public sealed class Base permits O, K {}
+
+// FILE: O.java
+public final class O extends Base {}
+
+// FILE: K.java
+public non-sealed class K extends Base {}
+
+// FILE: main.kt
+
+fun box(): String {
+    val klass = Base::class
+    if (!klass.isSealed) return "Error: Base is not sealed"
+    if (klass.isAbstract) return "Error: Base is not abstract"
+    return klass.sealedSubclasses
+        .joinToString("") { it.simpleName ?: "_No name provided_" }
+        .takeIf { it.isNotBlank() }
+        ?: "_No sealed subclasses found_"
+}

compiler/testData/codegen/boxModernJdk/testsWithJava17/sealedJavaInterfaceViaKotlinReflection.kt

@@ -0,0 +1,21 @@
+// WITH_REFLECT
+// FILE: Base.java
+public sealed interface Base permits O, K {}
+
+// FILE: O.java
+public non-sealed interface O extends Base {}
+
+// FILE: K.java
+public non-sealed interface K extends Base {}
+
+// FILE: main.kt
+
+fun box(): String {
+    val klass = Base::class
+    if (!klass.isSealed) return "Error: Base is not sealed"
+    if (klass.isAbstract) return "Error: Base is abstract"
+    return klass.sealedSubclasses
+        .joinToString("") { it.simpleName ?: "_No name provided_" }
+        .takeIf { it.isNotBlank() }
+        ?: "_No sealed subclasses found_"
+}

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxModernJdkCodegenTestGenerated.java

@@ -146,6 +146,18 @@ public class BlackBoxModernJdkCodegenTestGenerated extends AbstractBlackBoxCodeg
         public void testSealedJavaClassViaJavaReflection() throws Exception {
             runTest("compiler/testData/codegen/boxModernJdk/testsWithJava17/sealedJavaClassViaJavaReflection.kt");
         }
+
+        @Test
+        @TestMetadata("sealedJavaClassViaKotlinReflection.kt")
+        public void testSealedJavaClassViaKotlinReflection() throws Exception {
+            runTest("compiler/testData/codegen/boxModernJdk/testsWithJava17/sealedJavaClassViaKotlinReflection.kt");
+        }
+
+        @Test
+        @TestMetadata("sealedJavaInterfaceViaKotlinReflection.kt")
+        public void testSealedJavaInterfaceViaKotlinReflection() throws Exception {
+            runTest("compiler/testData/codegen/boxModernJdk/testsWithJava17/sealedJavaInterfaceViaKotlinReflection.kt");
+        }
     }
 
     @Nested

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxModernJdkCodegenTestGenerated.java

@@ -146,6 +146,18 @@ public class IrBlackBoxModernJdkCodegenTestGenerated extends AbstractIrBlackBoxC
         public void testSealedJavaClassViaJavaReflection() throws Exception {
             runTest("compiler/testData/codegen/boxModernJdk/testsWithJava17/sealedJavaClassViaJavaReflection.kt");
         }
+
+        @Test
+        @TestMetadata("sealedJavaClassViaKotlinReflection.kt")
+        public void testSealedJavaClassViaKotlinReflection() throws Exception {
+            runTest("compiler/testData/codegen/boxModernJdk/testsWithJava17/sealedJavaClassViaKotlinReflection.kt");
+        }
+
+        @Test
+        @TestMetadata("sealedJavaInterfaceViaKotlinReflection.kt")
+        public void testSealedJavaInterfaceViaKotlinReflection() throws Exception {
+            runTest("compiler/testData/codegen/boxModernJdk/testsWithJava17/sealedJavaInterfaceViaKotlinReflection.kt");
+        }
     }
 
     @Nested