/* * Copyright (c) 2015, 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. 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 8139885 8150824 8150825 8194238 8233920 * @run testng/othervm -ea -esa -Xverify:all test.java.lang.invoke.TryFinallyTest package test.java.lang.invoke;import java.lang.invoke.MethodHandle;import java.lang.invoke.MethodHandles;import java.lang.invoke.MethodHandles.Lookup;import java.lang.invoke.MethodType;import static java.lang.invoke.MethodType.methodType;import static org.testng.AssertJUnit.*;import org.testng.annotations.*;/** * Tests for the tryFinally method handle combinator introduced in JEP 274. public class TryFinallyTest {static final Lookup LOOKUP = MethodHandles.lookup();public static void testTryFinally() throws Throwable {laim);"Hello, world!" , hello.invoke("world" ));static Object[][] tryFinallyArgs() {return new Object[][] {boolean .class , true },byte .class , (byte ) 2 },short .class , (short ) 2 },char .class , (char ) 2 },int .class , 2 },long .class , 2L },float .class , 2f },double .class , 2D },class , new Object() }"tryFinallyArgs" )public static void testTryFinally(Class <?> argType, Object arg) throws Throwable {class ));"tryFinallyArgs" , expectedExceptions = TryFinally.T1.class )public static void testTryFinallyException(Class <?> argType, Object arg) throws Throwable {ype, argType));class ));// should throw public static void testTryFinallyVoid() throws Throwable {intMore);"world" );public static void testTryFinallySublist() throws Throwable {y.MH_exclaimMore);"Hello, world and universe (but world first)!" , helloMore.invoke("world" , "universe" ));static Object[][] omitTrailingArguments() {return new Object[][]{int .class )},int .class , long .class )},int .class , long .class , Object.class , int .class )},int .class , long .class , Object.class , int .class , long .class )}"omitTrailingArguments" )public static void testTryFinallyOmitTrailingArguments(MethodHandle cleanup) throws Throwable {"a" , 23, 42L, "b" );static Object[][] negativeTestData() {int .class );int .class , 0);int .class , double .class , String.class , int .class );int .class , 0), 0, Throwable.class ,int .class , double .class , Object.class );, int .class );return new Object[][]{double .class ),"target and return types must match: double != int" },class ),"cleanup first argument and Throwable must match: (String,int)int != class java.lang.Throwable" },class , double .class ),"cleanup second argument and target return type must match: (Throwable,double,int)int != int" },"cleanup parameters after (Throwable,result) and target parameter list prefix must match: " +" != " + errTarget.type()},"cleanup parameters after (Throwable,result) and target parameter list prefix must match: " +" != " + voidTarget.type()}"negativeTestData" )public static void testTryFinallyNegative(MethodHandle target, MethodHandle cleanup, String expectedMessage) {boolean caught = false ;try {catch (IllegalArgumentException iae) {true ;public static void testTryFinallyThrowableCheck() {try {"ClassCastException expected" );catch (Throwable t) {"Throwable not assignable to ClassCastException: " + t,class .isAssignableFrom(t.getClass()));static class TryFinally {static String greet(String whom) {return "Hello, " + whom;static String exclaim(Throwable t, String r, String whom) {return r + "!" ;static void print(String what) {"Hello, " + what);static void printMore(Throwable t, String what) {"!" );static String greetMore(String first, String second) {return "Hello, " + first + " and " + second;static String exclaimMore(Throwable t, String r, String first) {return r + " (but " + first + " first)!" ;static void voidTarget() {}static void voidCleanup(Throwable t) {}static class T1 extends Throwable {}static class T2 extends Throwable {}static void throwingTarget() throws Throwable {throw new T1();static Object throwingTargetIdentity(Object o) throws Throwable {throw new T1();static void catchingCleanup(T2 t) throws Throwable {static final Class <TryFinally> TRY_FINALLY = TryFinally.class ;static final MethodType MT_greet = methodType(String.class , String.class );static final MethodType MT_exclaim = methodType(String.class , Throwable.class , String.class , String.class );static final MethodType MT_print = methodType(void .class , String.class );static final MethodType MT_printMore = methodType(void .class , Throwable.class , String.class );static final MethodType MT_greetMore = methodType(String.class , String.class , String.class );static final MethodType MT_exclaimMore = methodType(String.class , Throwable.class , String.class , String.class );static final MethodType MT_voidTarget = methodType(void .class );static final MethodType MT_voidCleanup = methodType(void .class , Throwable.class );static final MethodType MT_throwingTarget = methodType(void .class );static final MethodType MT_throwingTargetIdentity = methodType(Object.class , Object.class );static final MethodType MT_catchingCleanup = methodType(void .class , T2.class );static final MethodHandle MH_greet;static final MethodHandle MH_exclaim;static final MethodHandle MH_print;static final MethodHandle MH_printMore;static final MethodHandle MH_greetMore;static final MethodHandle MH_exclaimMore;static final MethodHandle MH_voidTarget;static final MethodHandle MH_voidCleanup;static final MethodHandle MH_throwingTarget;static final MethodHandle MH_throwingTargetIdentity;static final MethodHandle MH_catchingCleanup;static final MethodHandle MH_dummyTarget;static final MethodType MT_hello = methodType(String.class , String.class );static final MethodType MT_printHello = methodType(void .class , String.class );static final MethodType MT_moreHello = methodType(String.class , String.class , String.class );static {try {"greet" , MT_greet);"exclaim" , MT_exclaim);"print" , MT_print);"printMore" , MT_printMore);"greetMore" , MT_greetMore);"exclaimMore" , MT_exclaimMore);"voidTarget" , MT_voidTarget);"voidCleanup" , MT_voidCleanup);"throwingTarget" , MT_throwingTarget);"throwingTargetIdentity" , MT_throwingTargetIdentity);"catchingCleanup" , MT_catchingCleanup);int .class , long .class , Object.class ,int .class , long .class , Object.class );catch (Exception e) {throw new ExceptionInInitializerError(e);quality 89%
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