diff -r 0afc5f9eafef -r 78b2ecdd3c4b test/hotspot/jtreg/runtime/appcds/FieldAnnotationsTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/hotspot/jtreg/runtime/appcds/FieldAnnotationsTest.java Mon Nov 27 20:21:34 2017 -0800 @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2017, 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 for field annotations. + * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true) + * @library /test/lib + * @modules java.base/jdk.internal.misc + * java.management + * jdk.jartool/sun.tools.jar + * @compile test-classes/FieldAnnotationsApp.java test-classes/MyAnnotation.java + * @run main FieldAnnotationsTest + */ + +import jdk.test.lib.process.OutputAnalyzer; + +// This is a test for the handling of multi-dimensional Arrays in MetaspaceClosure. +// +// We choose FieldAnnotations because they happen to be implemented as a multi-dimension +// Array (Annotations::_fields_annotations, which is of type Array*>*, +// and is handled by the template class PointerArrayRef in metaspaceClosure.hpp). +// +// Specifically, we are testing the following C code, where _fields_annotations is non-NULL: +// +// void Annotations::metaspace_pointers_do(MetaspaceClosure* it) { +// ... +// it->push(&_fields_annotations); +// +// which will be matched with the function +// +// template void MetaspaceClosure::push(Array** mpp, Writability w = _default) +// +public class FieldAnnotationsTest { + public static void main(String[] args) throws Exception { + String[] ARCHIVE_CLASSES = {"FieldAnnotationsApp", "MyAnnotation"}; + String appJar = JarBuilder.build("FieldAnnotationsTest", ARCHIVE_CLASSES); + + OutputAnalyzer dumpOutput = TestCommon.dump( + appJar, ARCHIVE_CLASSES); + TestCommon.checkDump(dumpOutput); + + OutputAnalyzer execOutput = TestCommon.exec(appJar, "FieldAnnotationsApp"); + TestCommon.checkExec(execOutput, "Field annotations are OK."); + } +}