--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/jvmci/compilerToVM/GetVtableIndexForInterfaceTest.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,196 @@
+/*
+ * 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 java.base/jdk.internal.org.objectweb.asm
+ * java.base/jdk.internal.org.objectweb.asm.tree
+ * jdk.internal.vm.ci/jdk.vm.ci.hotspot
+ * jdk.internal.vm.ci/jdk.vm.ci.code
+ * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ * -Djvmci.Compiler=null
+ * compiler.jvmci.compilerToVM.GetVtableIndexForInterfaceTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.common.CTVMUtilities;
+import compiler.jvmci.common.testcases.AbstractClass;
+import compiler.jvmci.common.testcases.AnotherSingleImplementer;
+import compiler.jvmci.common.testcases.AnotherSingleImplementerInterface;
+import compiler.jvmci.common.testcases.DoNotExtendClass;
+import compiler.jvmci.common.testcases.MultipleAbstractImplementer;
+import compiler.jvmci.common.testcases.MultipleImplementersInterface;
+import compiler.jvmci.common.testcases.MultipleImplementersInterfaceExtender;
+import compiler.jvmci.common.testcases.SingleImplementer;
+import compiler.jvmci.common.testcases.SingleImplementerInterface;
+import compiler.jvmci.common.testcases.SingleSubclass;
+import compiler.jvmci.common.testcases.SingleSubclassedClass;
+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.lang.reflect.Method;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.stream.Stream;
+
+public class GetVtableIndexForInterfaceTest {
+ private static final int INVALID_VTABLE_INDEX = -4; // see method.hpp: VtableIndexFlag
+
+ public static void main(String args[]) {
+ GetVtableIndexForInterfaceTest test
+ = new GetVtableIndexForInterfaceTest();
+ try {
+ for (TestCase tcase : createTestCases()) {
+ test.runTest(tcase);
+ }
+ } catch (NoSuchMethodException e) {
+ throw new Error("TEST BUG: can't find requested method", e);
+ }
+ }
+
+ private static Set<TestCase> createTestCases() {
+ Set<TestCase> result = new HashSet<>();
+ Stream.of(
+ AbstractClass.class,
+ SingleImplementer.class,
+ SingleImplementerInterface.class,
+ MultipleImplementersInterface.class,
+ MultipleImplementersInterfaceExtender.class,
+ SingleSubclass.class,
+ SingleSubclassedClass.class,
+ DoNotExtendClass.class,
+ MultipleAbstractImplementer.class
+ )
+ .forEach(Utils::ensureClassIsLoaded);
+ // non iface method
+ result.add(new TestCase(SingleImplementer.class,
+ SingleImplementer.class, "nonInterfaceMethod",
+ false, InternalError.class));
+ // iface method w/o default implementation
+ result.add(new TestCase(SingleImplementer.class,
+ SingleImplementerInterface.class, "interfaceMethod", false));
+ /* another iface which provides default implementation for the
+ original iface*/
+ result.add(new TestCase(MultipleImplementersInterfaceExtender.class,
+ MultipleImplementersInterface.class, "testMethod", false,
+ InternalError.class));
+ // iface method w/ default implementation
+ result.add(new TestCase(SingleImplementer.class,
+ SingleImplementerInterface.class, "defaultMethod", true));
+ // non iface class
+ result.add(new TestCase(SingleSubclass.class,
+ SingleSubclassedClass.class, "inheritedMethod", false,
+ InternalError.class));
+ // class not implementing iface
+ result.add(new TestCase(DoNotExtendClass.class,
+ SingleImplementerInterface.class, "defaultMethod", false));
+ // abstract class which doesn't implement iface
+ result.add(new TestCase(AbstractClass.class,
+ SingleImplementerInterface.class, "defaultMethod", false));
+ // abstract class which implements iface
+ result.add(new TestCase(MultipleAbstractImplementer.class,
+ MultipleImplementersInterface.class, "defaultMethod", true));
+ // class not initialized
+ result.add(new TestCase(AnotherSingleImplementer.class,
+ AnotherSingleImplementerInterface.class, "defaultMethod",
+ false, InternalError.class));
+ return result;
+ }
+
+ private void runTest(TestCase tcase) throws NoSuchMethodException {
+ System.out.println(tcase);
+ Method method = tcase.holder.getDeclaredMethod(tcase.methodName);
+ HotSpotResolvedObjectType metaspaceKlass = CompilerToVMHelper
+ .lookupTypeHelper(Utils.toJVMTypeSignature(tcase.receiver),
+ getClass(), /* resolve = */ true);
+ HotSpotResolvedJavaMethod metaspaceMethod = CTVMUtilities
+ .getResolvedMethod(tcase.holder, method);
+ int index = 0;
+ try {
+ index = CompilerToVMHelper
+ .getVtableIndexForInterfaceMethod(metaspaceKlass,
+ metaspaceMethod);
+ } catch (Throwable t) {
+ if (tcase.isPositive || tcase.expectedException == null) {
+ throw new Error("Caught unexpected exception " + t);
+ }
+ if (!tcase.expectedException.equals(t.getClass())) {
+ throw new Error(String.format("Caught %s while expected %s",
+ t.getClass().getName(),
+ tcase.expectedException.getName()));
+ }
+ return;
+ }
+ if (tcase.expectedException != null) {
+ throw new AssertionError("Expected exception wasn't caught: "
+ + tcase.expectedException.getName());
+ }
+ if (tcase.isPositive) {
+ Asserts.assertNE(index, INVALID_VTABLE_INDEX,
+ "Unexpected: got invalid index");
+ } else {
+ Asserts.assertEQ(index, INVALID_VTABLE_INDEX,
+ "Unexpected: got valid index ");
+ }
+ }
+
+ private static class TestCase {
+ public final Class<?> receiver;
+ public final Class<?> holder;
+ public final String methodName;
+ public final boolean isPositive;
+ public final Class<? extends Throwable> expectedException;
+
+ public TestCase(Class<?> receiver, Class<?> holder, String methodName,
+ boolean isPositive,
+ Class<? extends Throwable> expectedException) {
+ this.receiver = receiver;
+ this.holder = holder;
+ this.methodName = methodName;
+ this.isPositive = isPositive;
+ this.expectedException = expectedException;
+ }
+
+ public TestCase(Class<?> receiver, Class<?> holder, String methodName,
+ boolean isPositive) {
+ this(receiver, holder, methodName, isPositive, null);
+ }
+
+ @Override
+ public String toString() {
+ return String.format("CASE: receiver=%s, holder=%s, method=%s,"
+ + " isPositive=%s%n", receiver.getName(), holder.getName(),
+ methodName, isPositive);
+ }
+ }
+}