--- /dev/null 2016-03-07 22:00:22.000000000 +0100 +++ new/test/compiler/jvmci/meta/StableFieldTest.java 2016-03-07 22:00:22.000000000 +0100 @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2015, 2016, 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. + */ +package compiler.jvmci.meta; + +import java.lang.reflect.Field; +import jdk.internal.vm.annotation.Stable; +import jdk.vm.ci.hotspot.HotSpotResolvedJavaField; +import jdk.vm.ci.meta.MetaAccessProvider; +import jdk.vm.ci.meta.ResolvedJavaField; +import jdk.vm.ci.runtime.JVMCI; + +/** + * @test + * @library /testlibrary /test/lib / + * @compile StableFieldTest.java + * @run main ClassFileInstaller compiler.jvmci.meta.StableFieldTest + * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Xbootclasspath/a:. compiler.jvmci.meta.StableFieldTest + */ +public class StableFieldTest { + + @Stable static int myStaticField = 5; + @Stable int myInstanceField = 10; + + public static void main(String[] args) throws Throwable { + MetaAccessProvider metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); + for (String name : new String[] {"myStaticField", "myInstanceField"}) { + java.lang.reflect.Field javaField = StableFieldTest.class.getDeclaredField(name); + HotSpotResolvedJavaField field = (HotSpotResolvedJavaField) metaAccess.lookupJavaField(javaField); + if (!field.isStable()) { + throw new AssertionError("Expected HotSpotResolvedJavaField.isStable() to return true for " + javaField); + } + } + } +}