| /* |
| * Copyright (c) 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 8152343 |
| * @bug 8161068 |
| * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64") |
| * @library /test/lib /compiler/jvmci/jdk.vm.ci.hotspot.test/src |
| * @modules jdk.vm.ci/jdk.vm.ci.meta |
| * jdk.vm.ci/jdk.vm.ci.runtime |
| * jdk.vm.ci/jdk.vm.ci.hotspot |
| * @run testng/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * jdk.vm.ci.hotspot.test.MethodHandleAccessProviderTest |
| */ |
| |
| package jdk.vm.ci.hotspot.test; |
| |
| import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider; |
| import jdk.vm.ci.meta.JavaConstant; |
| import jdk.vm.ci.meta.MetaAccessProvider; |
| import jdk.vm.ci.meta.MethodHandleAccessProvider; |
| import jdk.vm.ci.meta.MethodHandleAccessProvider.IntrinsicMethod; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import jdk.vm.ci.runtime.JVMCI; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.reflect.Method; |
| |
| public class MethodHandleAccessProviderTest { |
| private static final HotSpotConstantReflectionProvider CONSTANT_REFLECTION = (HotSpotConstantReflectionProvider) JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection(); |
| private static final MethodHandleAccessProvider PROVIDER = CONSTANT_REFLECTION.getMethodHandleAccess(); |
| private static final MetaAccessProvider META_ACCESS = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); |
| |
| @Test(dataProvider = "intrinsicsPositive", dataProviderClass = MethodHandleAccessProviderData.class) |
| public void testLookupMethodHandleIntrinsic(ResolvedJavaMethod mtd, IntrinsicMethod expected) { |
| Assert.assertEquals(expected, PROVIDER.lookupMethodHandleIntrinsic(mtd), "Unexpected intrinsic returned for " + mtd); |
| } |
| |
| @Test(dataProvider = "intrinsicsNegative", dataProviderClass = MethodHandleAccessProviderData.class) |
| public void testLookupMethodHandleIntrinsicNegative(ResolvedJavaMethod mtd) { |
| Assert.assertNull(PROVIDER.lookupMethodHandleIntrinsic(mtd), "Expected null return for " + mtd); |
| } |
| |
| @Test(expectedExceptions = {NullPointerException.class}) |
| public void testLookupMethodHandleIntrinsicNull() { |
| PROVIDER.lookupMethodHandleIntrinsic(null); |
| } |
| |
| @Test(dataProvider = "invokeBasicPositive", dataProviderClass = MethodHandleAccessProviderData.class) |
| public void testResolveInvokeBasicTarget(JavaConstant javaConstantMethodHandle, boolean force, String expected) { |
| ResolvedJavaMethod mtd = PROVIDER.resolveInvokeBasicTarget(javaConstantMethodHandle, force); |
| Assert.assertTrue(mtd.getName().startsWith(expected), "Unexpected method resolved: " + mtd); |
| } |
| |
| @Test(dataProvider = "invokeBasicNegative1", dataProviderClass = MethodHandleAccessProviderData.class) |
| public void testResolveInvokeBasicTargetNegative1(JavaConstant javaConstantMethodHandle, boolean force) { |
| Assert.assertNull(PROVIDER.resolveInvokeBasicTarget(javaConstantMethodHandle, force), |
| "Expected null return for " + javaConstantMethodHandle + " with force=" + force); |
| } |
| |
| @Test(dataProvider = "invokeBasicNegative2", dataProviderClass = MethodHandleAccessProviderData.class, expectedExceptions = {NullPointerException.class}) |
| public void testResolveInvokeBasicTargetNegative2(JavaConstant javaConstantMethodHandle, boolean force) { |
| PROVIDER.resolveInvokeBasicTarget(javaConstantMethodHandle, force); |
| } |
| |
| @Test |
| public void testResolveLinkToTarget() { |
| Method self; |
| try { |
| self = getClass().getDeclaredMethod("testResolveLinkToTarget"); |
| } catch (NoSuchMethodException e) { |
| throw new Error("TESTBUG: can't find method: " + e, e); |
| } |
| MethodHandle mh; |
| try { |
| mh = MethodHandles.lookup().unreflect(self); |
| } catch (IllegalAccessException e) { |
| throw new Error("TESTBUG: can't get MHandle: " + e, e); |
| } |
| Method internalMemberNameMethod; |
| try { |
| internalMemberNameMethod = mh.getClass().getDeclaredMethod("internalMemberName"); |
| } catch (NoSuchMethodException e) { |
| throw new Error("TESTBUG: can't find method: " + e, e); |
| } |
| internalMemberNameMethod.setAccessible(true); |
| Object memberName; |
| try { |
| memberName = internalMemberNameMethod.invoke(mh); |
| } catch (ReflectiveOperationException e) { |
| throw new Error("TESTBUG: can't invoke internalMemberName method", e); |
| } |
| JavaConstant jcMemberName = CONSTANT_REFLECTION.forObject(memberName); |
| ResolvedJavaMethod mtd = PROVIDER.resolveLinkToTarget(jcMemberName); |
| Assert.assertEquals(mtd, META_ACCESS.lookupJavaMethod(self), "Got unexpected method: " + mtd); |
| } |
| |
| @Test(expectedExceptions = {NullPointerException.class}) |
| public void testResolveLinkToTargetNegativeNull() { |
| PROVIDER.resolveLinkToTarget(null); |
| } |
| |
| @Test |
| public void testResolveLinkToTargetNegativeNullConstant() { |
| Assert.assertNull(PROVIDER.resolveLinkToTarget(JavaConstant.NULL_POINTER), "Expected null return"); |
| } |
| |
| @Test(expectedExceptions = {IllegalArgumentException.class}) |
| public void testResolveLinkToTargetNegativeWrongConstant() { |
| PROVIDER.resolveLinkToTarget(CONSTANT_REFLECTION.forObject("42")); |
| } |
| } |