| /* |
| * Copyright (c) 2017, 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 8186046 |
| * @summary Test bootstrap methods throwing an exception |
| * @library /lib/testlibrary/bytecode /java/lang/invoke/common |
| * @build jdk.experimental.bytecode.BasicClassBuilder test.java.lang.invoke.lib.InstructionHelper |
| * @run testng BootstrapMethodJumboArgsTest |
| * @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 BootstrapMethodJumboArgsTest |
| */ |
| |
| import jdk.experimental.bytecode.PoolHelper; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| import test.java.lang.invoke.lib.InstructionHelper; |
| |
| import java.lang.invoke.ConstantCallSite; |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodType; |
| import java.util.stream.IntStream; |
| |
| import static java.lang.invoke.MethodType.methodType; |
| |
| public class BootstrapMethodJumboArgsTest { |
| static final MethodHandles.Lookup L = MethodHandles.lookup(); |
| |
| |
| static Object bsmZero(MethodHandles.Lookup l, String name, Object type, |
| Object... args) { |
| Object[] a = args.clone(); |
| if (type instanceof MethodType) { |
| return new ConstantCallSite(MethodHandles.constant(Object[].class, a)); |
| } |
| else { |
| return a; |
| } |
| } |
| |
| static Object bsmOne(MethodHandles.Lookup l, String name, Object type, |
| Object first, Object... args) { |
| Object[] a = new Object[args.length + 1]; |
| a[0] = first; |
| System.arraycopy(args, 0, a, 1, args.length); |
| if (type instanceof MethodType) { |
| return new ConstantCallSite(MethodHandles.constant(Object[].class, a)); |
| } |
| else { |
| return a; |
| } |
| } |
| |
| static Object bsmTwo(MethodHandles.Lookup l, String name, Object type, |
| Object first, Object second, Object... args) { |
| Object[] a = new Object[args.length + 2]; |
| a[0] = first; |
| a[1] = second; |
| System.arraycopy(args, 0, a, 2, args.length); |
| if (type instanceof MethodType) { |
| return new ConstantCallSite(MethodHandles.constant(Object[].class, a)); |
| } |
| else { |
| return a; |
| } |
| } |
| |
| static void manyStaticStrings(String[] args, PoolHelper.StaticArgListBuilder<String, String, byte[]> staticArgs) { |
| for (String s : args) { |
| staticArgs.add(s); |
| } |
| } |
| |
| @Test |
| public void testCondyWithJumboArgs() throws Throwable { |
| String[] expected = IntStream.range(0, 1000).mapToObj(Integer::toString).toArray(String[]::new); |
| |
| { |
| MethodHandle mh = InstructionHelper.ldcDynamicConstant( |
| L, "name", Object[].class, |
| "bsmZero", methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class, Object[].class), |
| S -> manyStaticStrings(expected, S)); |
| |
| Object[] actual = (Object[]) mh.invoke(); |
| Assert.assertEquals(actual, expected); |
| } |
| |
| { |
| MethodHandle mh = InstructionHelper.ldcDynamicConstant( |
| L, "name", Object[].class, |
| "bsmOne", methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class, Object.class, Object[].class), |
| S -> manyStaticStrings(expected, S)); |
| |
| Object[] actual = (Object[]) mh.invoke(); |
| Assert.assertEquals(actual, expected); |
| } |
| |
| { |
| MethodHandle mh = InstructionHelper.ldcDynamicConstant( |
| L, "name", Object[].class, |
| "bsmTwo", methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class, Object.class, Object.class, Object[].class), |
| S -> manyStaticStrings(expected, S)); |
| |
| Object[] actual = (Object[]) mh.invoke(); |
| Assert.assertEquals(actual, expected); |
| } |
| } |
| |
| @Test |
| public void testIndyWithJumboArgs() throws Throwable { |
| String[] expected = IntStream.range(0, 1000).mapToObj(Integer::toString).toArray(String[]::new); |
| |
| { |
| MethodHandle mh = InstructionHelper.invokedynamic( |
| L, "name", methodType(Object[].class), |
| "bsmZero", methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class, Object[].class), |
| S -> manyStaticStrings(expected, S)); |
| |
| Object[] actual = (Object[]) mh.invoke(); |
| Assert.assertEquals(actual, expected); |
| } |
| |
| { |
| MethodHandle mh = InstructionHelper.invokedynamic( |
| L, "name", methodType(Object[].class), |
| "bsmOne", methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class, Object.class, Object[].class), |
| S -> manyStaticStrings(expected, S)); |
| |
| Object[] actual = (Object[]) mh.invoke(); |
| Assert.assertEquals(actual, expected); |
| } |
| |
| { |
| MethodHandle mh = InstructionHelper.invokedynamic( |
| L, "name", methodType(Object[].class), |
| "bsmTwo", methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class, Object.class, Object.class, Object[].class), |
| S -> manyStaticStrings(expected, S)); |
| |
| Object[] actual = (Object[]) mh.invoke(); |
| Assert.assertEquals(actual, expected); |
| } |
| } |
| } |