| /* |
| * 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 CondyBSMException |
| * @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 CondyBSMException |
| */ |
| |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| import test.java.lang.invoke.lib.InstructionHelper; |
| |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.reflect.Constructor; |
| |
| import static java.lang.invoke.MethodType.methodType; |
| |
| public class CondyBSMException { |
| |
| @Test |
| public void testThrowable() { |
| test("Throwable", BootstrapMethodError.class, Throwable.class); |
| } |
| |
| @Test |
| public void testError() { |
| test("Error", Error.class); |
| } |
| |
| @Test |
| public void testBootstrapMethodError() { |
| test("BootstrapMethodError", BootstrapMethodError.class); |
| } |
| |
| @Test |
| public void testRuntimeException() { |
| test("RuntimeException", BootstrapMethodError.class, RuntimeException.class); |
| } |
| |
| @Test |
| public void testException() throws Throwable { |
| test("Exception", BootstrapMethodError.class, Exception.class); |
| } |
| |
| static void test(String message, Class<? extends Throwable>... ts) { |
| MethodHandle mh = thrower(message, ts[ts.length - 1]); |
| Throwable caught = null; |
| try { |
| mh.invoke(); |
| } |
| catch (Throwable t) { |
| caught = t; |
| } |
| |
| if (caught == null) { |
| Assert.fail("Throwable expected"); |
| } |
| |
| String actualMessage = null; |
| for (int i = 0; i < ts.length; i++) { |
| actualMessage = caught.getMessage(); |
| Assert.assertNotNull(caught); |
| Assert.assertTrue(ts[i].isAssignableFrom(caught.getClass())); |
| caught = caught.getCause(); |
| } |
| |
| Assert.assertEquals(actualMessage, message); |
| } |
| |
| static Throwable throwingBsm(MethodHandles.Lookup l, String name, Class<Throwable> type) throws Throwable { |
| Throwable t; |
| try { |
| Constructor<Throwable> c = type.getDeclaredConstructor(String.class); |
| t = c.newInstance(name); |
| } |
| catch (Exception e) { |
| throw new InternalError(); |
| } |
| throw t; |
| } |
| |
| static MethodHandle thrower(String message, Class<? extends Throwable> t) { |
| try { |
| return InstructionHelper.ldcDynamicConstant( |
| MethodHandles.lookup(), |
| message, t, |
| "throwingBsm", methodType(Throwable.class, MethodHandles.Lookup.class, String.class, Class.class), |
| S -> { }); |
| } catch (Exception e) { |
| throw new Error(e); |
| } |
| } |
| } |