StableFieldTest.java revision 11833:1cbffa2beba6
1/* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/** 25 * @test 26 * @bug 8151664 27 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64") 28 * @library /test/lib / 29 * @modules java.base/jdk.internal.misc 30 * @modules java.base/jdk.internal.vm.annotation 31 * jdk.vm.ci/jdk.vm.ci.hotspot 32 * jdk.vm.ci/jdk.vm.ci.meta 33 * jdk.vm.ci/jdk.vm.ci.runtime 34 * 35 * @compile StableFieldTest.java 36 * @run driver ClassFileInstaller compiler.jvmci.meta.StableFieldTest 37 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Xbootclasspath/a:. compiler.jvmci.meta.StableFieldTest 38 */ 39 40package compiler.jvmci.meta; 41 42import jdk.internal.vm.annotation.Stable; 43import jdk.vm.ci.hotspot.HotSpotResolvedJavaField; 44import jdk.vm.ci.meta.MetaAccessProvider; 45import jdk.vm.ci.runtime.JVMCI; 46 47public class StableFieldTest { 48 49 @Stable static int myStaticField = 5; 50 @Stable int myInstanceField = 10; 51 52 public static void main(String[] args) throws Throwable { 53 MetaAccessProvider metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); 54 for (String name : new String[] {"myStaticField", "myInstanceField"}) { 55 java.lang.reflect.Field javaField = StableFieldTest.class.getDeclaredField(name); 56 HotSpotResolvedJavaField field = (HotSpotResolvedJavaField) metaAccess.lookupJavaField(javaField); 57 if (!field.isStable()) { 58 throw new AssertionError("Expected HotSpotResolvedJavaField.isStable() to return true for " + javaField); 59 } 60 } 61 } 62} 63