| /* |
| * 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. |
| */ |
| package org.graalvm.compiler.replacements.test; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| import org.graalvm.compiler.api.directives.GraalDirectives; |
| import org.graalvm.compiler.core.common.type.Stamp; |
| import org.graalvm.compiler.core.common.type.StampFactory; |
| import org.graalvm.compiler.core.common.type.TypeReference; |
| import org.graalvm.compiler.nodes.ConstantNode; |
| import org.graalvm.compiler.nodes.ValueNode; |
| import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins; |
| |
| import jdk.vm.ci.meta.Constant; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| |
| @RunWith(Parameterized.class) |
| public class ClassCastBytecodeExceptionTest extends BytecodeExceptionTest { |
| |
| private static class Exceptions { |
| |
| public static void throwClassCast(Object obj, Class<?> cls) { |
| /* |
| * We don't use cls.cast(obj) here because that gives a different exception message than |
| * the checkcast bytecode. |
| */ |
| if (cls == Double.class) { |
| Double cast = (Double) obj; |
| GraalDirectives.blackhole(cast); |
| } else if (cls == byte[].class) { |
| byte[] cast = (byte[]) obj; |
| GraalDirectives.blackhole(cast); |
| } else if (cls == String[].class) { |
| String[] cast = (String[]) obj; |
| GraalDirectives.blackhole(cast); |
| } else if (cls == Object[][].class) { |
| Object[][] cast = (Object[][]) obj; |
| GraalDirectives.blackhole(cast); |
| } else { |
| Assert.fail("unexpected class argument"); |
| } |
| } |
| } |
| |
| @Override |
| protected void registerPlugin(InvocationPlugins plugins) { |
| plugins.register(new InvocationPlugin() { |
| @Override |
| public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode obj, ValueNode classNode) { |
| ResolvedJavaType type = b.getConstantReflection().asJavaType(classNode.asConstant()); |
| Constant hub = b.getConstantReflection().asObjectHub(type); |
| Stamp hubStamp = b.getStampProvider().createHubStamp(StampFactory.object(TypeReference.createExactTrusted(type))); |
| ConstantNode hubConst = b.add(ConstantNode.forConstant(hubStamp, hub, b.getMetaAccess())); |
| return throwBytecodeException(b, ClassCastException.class, obj, hubConst); |
| } |
| }, Exceptions.class, "throwClassCast", Object.class, Class.class); |
| } |
| |
| @Parameter(0) public Object object; |
| @Parameter(1) public Class<?> cls; |
| |
| @Parameters(name = "{1}") |
| public static Collection<Object[]> data() { |
| Object[] objects = {"string", 42, new int[0], new Object[0], new double[0][]}; |
| |
| ArrayList<Object[]> ret = new ArrayList<>(objects.length); |
| for (Object o : objects) { |
| ret.add(new Object[]{o, o.getClass()}); |
| } |
| return ret; |
| } |
| |
| public static void castToDouble(Object obj) { |
| Exceptions.throwClassCast(obj, Double.class); |
| } |
| |
| @Test |
| public void testCastToDouble() { |
| test("castToDouble", object); |
| } |
| |
| public static void castToByteArray(Object obj) { |
| Exceptions.throwClassCast(obj, byte[].class); |
| } |
| |
| @Test |
| public void testCastToByteArray() { |
| test("castToByteArray", object); |
| } |
| |
| public static void castToStringArray(Object obj) { |
| Exceptions.throwClassCast(obj, String[].class); |
| } |
| |
| @Test |
| public void testCastToStringArray() { |
| test("castToStringArray", object); |
| } |
| |
| public static void castToArrayArray(Object obj) { |
| Exceptions.throwClassCast(obj, Object[][].class); |
| } |
| |
| @Test |
| public void testCastToArrayArray() { |
| test("castToArrayArray", object); |
| } |
| } |