diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/hotspot/jtreg/compiler/jvmci/compilerToVM/GetClassInitializerTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/hotspot/jtreg/compiler/jvmci/compilerToVM/GetClassInitializerTest.java Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,115 @@ +/* + * 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. + */ + +/* + * @test + * @bug 8136421 + * @requires vm.jvmci + * @library / /test/lib + * @library ../common/patches + * @modules java.base/jdk.internal.misc + * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot + * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper + * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI + * -Djvmci.Compiler=null + * compiler.jvmci.compilerToVM.GetClassInitializerTest + */ + +package compiler.jvmci.compilerToVM; + +import compiler.jvmci.common.testcases.AbstractClass; +import compiler.jvmci.common.testcases.AbstractClassExtender; +import compiler.jvmci.common.testcases.DoNotExtendClass; +import compiler.jvmci.common.testcases.MultipleImplementersInterfaceExtender; +import compiler.jvmci.common.testcases.SingleImplementer; +import compiler.jvmci.common.testcases.SingleImplementerInterface; +import jdk.test.lib.Asserts; +import jdk.test.lib.Utils; +import jdk.vm.ci.hotspot.CompilerToVMHelper; +import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; +import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; + +import java.util.HashSet; +import java.util.Set; + +public class GetClassInitializerTest { + + public static void main(String args[]) { + GetClassInitializerTest test = new GetClassInitializerTest(); + for (TestCase tcase : createTestCases()) { + test.runTest(tcase); + } + } + + private static Set createTestCases() { + Set result = new HashSet<>(); + // a simple class with initializer + result.add(new TestCase(SingleImplementer.class, true)); + // an interface with initializer + result.add(new TestCase(SingleImplementerInterface.class, true)); + // an abstract class with initializer + result.add(new TestCase(AbstractClass.class, true)); + // a class without initializer, extending class with initializer + result.add(new TestCase(AbstractClassExtender.class, false)); + // an interface without initializer + result.add(new TestCase(MultipleImplementersInterfaceExtender.class, false)); + // a class without initializer + result.add(new TestCase(DoNotExtendClass.class, false)); + return result; + } + + private void runTest(TestCase tcase) { + System.out.println(tcase); + String className = tcase.holder.getName(); + HotSpotResolvedObjectType resolvedClazz = CompilerToVMHelper + .lookupTypeHelper(Utils.toJVMTypeSignature(tcase.holder), + getClass(), /* resolve = */ true); + HotSpotResolvedJavaMethod initializer = CompilerToVMHelper + .getClassInitializer(resolvedClazz); + if (tcase.isPositive) { + Asserts.assertNotNull(initializer, "Couldn't get initializer for " + + className); + Asserts.assertEQ(initializer.getName(), "", + "Unexpected initializer name for " + className); + } else { + Asserts.assertNull(initializer, "Unexpected: found initializer for " + + className); + } + } + + private static class TestCase { + public final Class holder; + public final boolean isPositive; + + public TestCase(Class clazz, boolean isPositive) { + this.holder = clazz; + this.isPositive = isPositive; + } + + @Override + public String toString() { + return "CASE: clazz=" + holder.getName() + + ", isPositive=" + isPositive; + } + } +}