diff a/test/hotspot/jtreg/serviceability/jvmti/GetClassModifiers/GetValueClassModifiersTest.java b/test/hotspot/jtreg/serviceability/jvmti/GetClassModifiers/GetValueClassModifiersTest.java --- /dev/null +++ b/test/hotspot/jtreg/serviceability/jvmti/GetClassModifiers/GetValueClassModifiersTest.java @@ -0,0 +1,110 @@ +/* + * Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @summary Test JVMTI GetClassModifiers with value classes + * @enablePreview + * @modules java.base/jdk.internal.misc + * @run junit/othervm/native --enable-native-access=ALL-UNNAMED ${test.main.class} + */ + +import java.lang.classfile.ClassFile; +import java.util.stream.Stream; + +import org.junit.jupiter.api.Test; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.MethodSource; +import static org.junit.jupiter.api.Assertions.*; + +class GetValueClassModifiersTest { + + // member classes to test + + public abstract value class A_V1 { } + abstract value class A_V2 { } + public value class V1 { } + value class V2 { } + public value record R_V1() { } + value record R_V2() { } + + static Stream> testClasses() { + // local classes + value class L_V { } + abstract value class L_A_V { } + + return Stream.of( + Integer.class, + Integer[].class, + + A_V1.class, + A_V1[].class, + A_V2.class, + A_V2[].class, + V1.class, + V1[].class, + V2.class, + V2.class, + R_V1.class, + R_V1[].class, + R_V2.class, + R_V2[].class, + + // local classes + L_V.class, + L_V[].class, + L_A_V.class, + L_A_V[].class + ); + } + + static Stream> valueClasses() { + return testClasses().filter(Class::isValue); + } + + static Stream> arrayClasses() { + return testClasses().filter(Class::isArray); + } + + @ParameterizedTest + @MethodSource("valueClasses") + void testValueClass(Class clazz) { + assertTrue(clazz.isValue()); + int mods = jvmtiGetClassModifiers(clazz); + assertEquals(0, (mods & ClassFile.ACC_IDENTITY), "ACC_IDENTITY set"); + assertEquals(clazz.getModifiers(), jvmtiGetClassModifiers(clazz)); + } + + @ParameterizedTest + @MethodSource("arrayClasses") + void testArrayClass(Class clazz) { + assertTrue(clazz.isArray()); + int mods = jvmtiGetClassModifiers(clazz); + assertEquals(ClassFile.ACC_IDENTITY, (mods & ClassFile.ACC_IDENTITY), "ACC_IDENTITY not set"); + assertEquals(clazz.getModifiers(), jvmtiGetClassModifiers(clazz)); + } + + private int jvmtiGetClassModifiers(Class clazz) { + return GetClassModifiers.getClassModifiers(clazz); + } +}