1/* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @bug 8182047 27 * @summary javac compile error on type-parameter-exceptions in lambda expressions 28 * @compile CorrectGenerationOfExConstraintsTest.java 29 */ 30 31public class CorrectGenerationOfExConstraintsTest { 32 public static class MyExBase extends Exception { 33 private static final long serialVersionUID = 1L; 34 } 35 36 public static class MyEx1 extends MyExBase { 37 private static final long serialVersionUID = 1L; 38 } 39 40 public static class MyEx2 extends MyExBase { 41 private static final long serialVersionUID = 1L; 42 } 43 44 public interface MyLambdaIF1 <E extends Exception> { 45 void lambdaFun() throws E, MyEx2; 46 } 47 48 public interface MyLambdaIF2 <E extends Exception> { 49 void lambdaFun() throws MyEx2, E; 50 } 51 52 public <E extends Exception> void fun1(MyLambdaIF1<E> myLambda) throws E, MyEx2 { 53 myLambda.lambdaFun(); 54 } 55 56 public <E extends Exception> void fun2(MyLambdaIF2<E> myLambda) throws E, MyEx2 { 57 myLambda.lambdaFun(); 58 } 59 60 public void useIt1() throws MyEx1, MyEx2 { 61 fun1(this::lambda); 62 } 63 64 public void useIt1a() throws MyExBase { 65 fun1(this::lambda); 66 } 67 68 public void useIt2() throws MyEx1, MyEx2 { 69 fun2(this::lambda); 70 } 71 72 public void lambda() throws MyEx1, MyEx2 { 73 if (Math.random() > 0.5) 74 throw new MyEx2(); 75 throw new MyEx1(); 76 } 77} 78