1 /* 2 * Copyright (c) 2010, 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 6970833 27 * @author Maurizio Cimadamore 28 * @summary Try-with-resource implementation throws an NPE during Flow analysis 29 * @compile/fail/ref=ResourceInterface.out -XDrawDiagnostics ResourceInterface.java 30 */ 31 32 class ResourceInterface { test1()33 public void test1() { 34 try(Resource1 r1 = null) { } 35 } 36 test2()37 public void test2() { 38 try(Resource2 r2 = null) { } 39 } 40 41 static class E1 extends Exception {} 42 43 static class E2 extends Exception {} 44 45 46 interface C1 extends AutoCloseable { close()47 void close() throws E1; 48 } 49 50 interface C2 extends AutoCloseable { close()51 void close() throws E2; 52 } 53 54 interface C3 extends AutoCloseable { close()55 void close() throws E2, E1; 56 } 57 58 static interface Resource1 extends C1, C2 {} 59 60 static interface Resource2 extends C1, C3 {} 61 } 62