| /* |
| * Copyright (c) 2010, 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. |
| * |
| * 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 8025113 |
| * @author sogoel |
| * @summary Resource creation in nested expressions |
| */ |
| |
| /** |
| * This test checks for resource creation in nested expressions. |
| * test1() - Create 3 resource in nested new expressions, style 1 |
| * test2() - Create 3 resource in nested new expressions, style 2 |
| * test3() - Create 4 resources with resources as parameters: new expression; typeid & new expression |
| */ |
| |
| public class ResInNestedExpr { |
| |
| static final int expected = 5; |
| static int closed = 0; |
| |
| static void closing(String clazz) { |
| closed++; |
| } |
| |
| static void checkClosedCount() { |
| if (expected != closed) { |
| throw new RuntimeException("Did not find enough closed resources." |
| + "Expected " + expected + ", but found " + closed); |
| } |
| } |
| /** |
| * The "expected output" is each class name gotten with getSimpleName() to unclutter things. |
| * Each test method returns a classname of the resource and that is compared with |
| * values in this array. |
| */ |
| static String[] expectedOutput = { |
| "aResource::bResource::cResource", //test1 |
| "aResource::bResource::cResource&aResource::cResource", //test3 |
| "aResource::bResource::cResource&aResource::cResource"}; //test2 |
| |
| static void compare(String s1, String s2) { |
| if (s1.compareTo(s2) != 0) { |
| throw new RuntimeException(s1 + "!=" + s2); |
| } |
| } |
| |
| String test1() { |
| String ret = null; |
| try (bResource br = new bResource(new cResource()); |
| aResource ar = new aResource(br)) { |
| ret = ar.getClass().getSimpleName() + "::" + |
| ar.getB().getClass().getSimpleName() + "::" + |
| ar.getB().getC().getClass().getSimpleName(); |
| } |
| return ret; |
| } |
| |
| String test2() { |
| String ret = null; |
| try (aResource ar = new aResource(new bResource(new cResource()), new cResource())) { |
| String abc = ar.getClass().getSimpleName() + "::" + |
| ar.getB().getClass().getSimpleName() + "::" + |
| ar.getB().getC().getClass().getSimpleName(); |
| String ac = ar.getClass().getSimpleName() + "::" + |
| ar.getC().getClass().getSimpleName(); |
| ret = abc + "&" + ac; |
| } |
| return ret; |
| } |
| |
| String test3() { |
| String ret = null; |
| try (bResource br = new bResource(new cResource()); |
| aResource ar = new aResource(br, new cResource())) { |
| String abc = ar.getClass().getSimpleName() + "::" + |
| ar.getB().getClass().getSimpleName() + "::" + |
| ar.getB().getC().getClass().getSimpleName(); |
| String ac = ar.getClass().getSimpleName() + "::" + |
| ar.getC().getClass().getSimpleName(); |
| ret = abc + "&" + ac; |
| } |
| return ret; |
| } |
| |
| public static void main(String... args) { |
| ResInNestedExpr t = new ResInNestedExpr(); |
| int eo = 0; |
| compare(expectedOutput[eo++], t.test1()); |
| compare(expectedOutput[eo++], t.test3()); |
| compare(expectedOutput[eo++], t.test2()); |
| ResInNestedExpr.checkClosedCount(); |
| } |
| |
| /** |
| * A resource to implement AutoCloseable |
| * Contains two other resources as data items. |
| */ |
| static class aResource implements AutoCloseable { |
| |
| bResource bR; |
| cResource cR; |
| |
| public aResource() { |
| bR = null; |
| cR = null; |
| } |
| |
| public aResource(bResource br) { |
| bR = br; |
| } |
| |
| public aResource(cResource cr) { |
| cR = cr; |
| } |
| |
| public aResource(bResource br, cResource cr) { |
| bR = br; |
| cR = cr; |
| } |
| |
| public bResource getB() { |
| return bR; |
| } |
| |
| public cResource getC() { |
| return cR; |
| } |
| |
| @Override |
| public void close() { |
| ResInNestedExpr.closing(this.getClass().getName()); |
| } |
| } |
| |
| /** |
| * A resource to implement AutoCloseable |
| * Contains one other resources as a data item. |
| */ |
| static class bResource implements AutoCloseable { |
| |
| cResource cR; |
| |
| public bResource() { |
| cR = null; |
| } |
| |
| public bResource(cResource cr) { |
| cR = cr; |
| } |
| |
| public cResource getC() { |
| return cR; |
| } |
| |
| @Override |
| public void close() { |
| ResInNestedExpr.closing(this.getClass().getName()); |
| } |
| } |
| |
| /** A resource to implement AutoCloseable */ |
| static class cResource implements AutoCloseable { |
| |
| public cResource() { |
| } |
| |
| @Override |
| public void close() { |
| ResInNestedExpr.closing(this.getClass().getName()); |
| } |
| } |
| } |
| |