/* * Copyright (c) 2013, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 8027823 * @run junit test.java.lang.invoke.TestCatchException */ package test.java.lang.invoke; import java.lang.invoke.*; import org.junit.*; import static org.junit.Assert.*; public class TestCatchException { final static MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); final static MethodType M_TYPE = MethodType.methodType(int.class, Object.class, Object.class, int.class, int.class, int.class, int.class, int.class, int.class, int.class); private static int noThrow(Object o1, Object o2, int i1, int i2, int i3, int i4, int i5, int i6, int i7) { return 42; } private static int throwEx(Object o1, Object o2, int i1, int i2, int i3, int i4, int i5, int i6, int i7) throws Exception { throw new Exception(); } private static int handler(Exception e) { return 17; } @Test public void testNoThrowPath() throws Throwable { MethodHandle target = LOOKUP.findStatic(TestCatchException.class, "noThrow", M_TYPE); MethodHandle handler = LOOKUP.findStatic(TestCatchException.class, "handler", MethodType.methodType(int.class, Exception.class)); MethodHandle h = MethodHandles.catchException(target, Exception.class, handler); int x = (int)h.invokeExact(new Object(), new Object(), 1, 2, 3, 4, 5, 6, 7); assertEquals(x, 42); } @Test public void testThrowPath() throws Throwable { MethodHandle target = LOOKUP.findStatic(TestCatchException.class, "throwEx", M_TYPE); MethodHandle handler = LOOKUP.findStatic(TestCatchException.class, "handler", MethodType.methodType(int.class, Exception.class)); MethodHandle h = MethodHandles.catchException(target, Exception.class, handler); int x = (int)h.invokeExact(new Object(), new Object(), 1, 2, 3, 4, 5, 6, 7); assertEquals(x, 17); } public static void main(String[] args) throws Throwable { TestCatchException test = new TestCatchException(); test.testNoThrowPath(); test.testThrowPath(); System.out.println("TEST PASSED"); } }