aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug     8025113
aoqi@0:  * @author  sogoel
aoqi@0:  * @summary Resource creation in nested expressions
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * This test checks for resource creation in nested expressions.
aoqi@0:  * test1() - Create 3 resource in nested new expressions, style 1
aoqi@0:  * test2() - Create 3 resource in nested new expressions, style 2
aoqi@0:  * test3() - Create 4 resources with resources as parameters: new expression; typeid & new expression
aoqi@0:  */
aoqi@0: 
aoqi@0: public class ResInNestedExpr {
aoqi@0: 
aoqi@0:     static final int expected = 5;
aoqi@0:     static int closed = 0;
aoqi@0: 
aoqi@0:     static void closing(String clazz) {
aoqi@0:         closed++;
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void checkClosedCount() {
aoqi@0:         if (expected != closed) {
aoqi@0:             throw new RuntimeException("Did not find enough closed resources."
aoqi@0:                + "Expected " + expected + ", but found " + closed);
aoqi@0:         }
aoqi@0:     }
aoqi@0:     /**
aoqi@0:      * The "expected output" is each class name gotten with getSimpleName() to unclutter things.
aoqi@0:      * Each test method returns a classname of the resource and that is compared with
aoqi@0:      * values in this array.
aoqi@0:      */
aoqi@0:     static String[] expectedOutput = {
aoqi@0:         "aResource::bResource::cResource", //test1
aoqi@0:         "aResource::bResource::cResource&aResource::cResource", //test3
aoqi@0:         "aResource::bResource::cResource&aResource::cResource"}; //test2
aoqi@0: 
aoqi@0:     static void compare(String s1, String s2) {
aoqi@0:         if (s1.compareTo(s2) != 0) {
aoqi@0:             throw new RuntimeException(s1 + "!=" + s2);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     String test1() {
aoqi@0:         String ret = null;
aoqi@0:         try (bResource br = new bResource(new cResource());
aoqi@0:                 aResource ar = new aResource(br)) {
aoqi@0:             ret = ar.getClass().getSimpleName() + "::" +
aoqi@0:                   ar.getB().getClass().getSimpleName() + "::" +
aoqi@0:                   ar.getB().getC().getClass().getSimpleName();
aoqi@0:         }
aoqi@0:         return ret;
aoqi@0:     }
aoqi@0: 
aoqi@0:     String test2() {
aoqi@0:         String ret = null;
aoqi@0:         try (aResource ar = new aResource(new bResource(new cResource()), new cResource())) {
aoqi@0:             String abc = ar.getClass().getSimpleName() + "::" +
aoqi@0:                          ar.getB().getClass().getSimpleName() + "::" +
aoqi@0:                          ar.getB().getC().getClass().getSimpleName();
aoqi@0:             String ac = ar.getClass().getSimpleName() + "::" +
aoqi@0:                         ar.getC().getClass().getSimpleName();
aoqi@0:             ret = abc + "&" + ac;
aoqi@0:         }
aoqi@0:         return ret;
aoqi@0:     }
aoqi@0: 
aoqi@0:     String test3() {
aoqi@0:         String ret = null;
aoqi@0:         try (bResource br = new bResource(new cResource());
aoqi@0:                 aResource ar = new aResource(br, new cResource())) {
aoqi@0:             String abc = ar.getClass().getSimpleName() + "::" +
aoqi@0:                          ar.getB().getClass().getSimpleName() + "::" +
aoqi@0:                          ar.getB().getC().getClass().getSimpleName();
aoqi@0:             String ac = ar.getClass().getSimpleName() + "::" +
aoqi@0:                         ar.getC().getClass().getSimpleName();
aoqi@0:             ret = abc + "&" + ac;
aoqi@0:         }
aoqi@0:         return ret;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String... args) {
aoqi@0:         ResInNestedExpr t = new ResInNestedExpr();
aoqi@0:         int eo = 0;
aoqi@0:         compare(expectedOutput[eo++], t.test1());
aoqi@0:         compare(expectedOutput[eo++], t.test3());
aoqi@0:         compare(expectedOutput[eo++], t.test2());
aoqi@0:         ResInNestedExpr.checkClosedCount();
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * A resource to implement AutoCloseable
aoqi@0:      * Contains two other resources as data items.
aoqi@0:      */
aoqi@0:     static class aResource implements AutoCloseable {
aoqi@0: 
aoqi@0:         bResource bR;
aoqi@0:         cResource cR;
aoqi@0: 
aoqi@0:         public aResource() {
aoqi@0:             bR = null;
aoqi@0:             cR = null;
aoqi@0:         }
aoqi@0: 
aoqi@0:         public aResource(bResource br) {
aoqi@0:             bR = br;
aoqi@0:         }
aoqi@0: 
aoqi@0:         public aResource(cResource cr) {
aoqi@0:             cR = cr;
aoqi@0:         }
aoqi@0: 
aoqi@0:         public aResource(bResource br, cResource cr) {
aoqi@0:             bR = br;
aoqi@0:             cR = cr;
aoqi@0:         }
aoqi@0: 
aoqi@0:         public bResource getB() {
aoqi@0:             return bR;
aoqi@0:         }
aoqi@0: 
aoqi@0:         public cResource getC() {
aoqi@0:             return cR;
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public void close() {
aoqi@0:             ResInNestedExpr.closing(this.getClass().getName());
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * A resource to implement AutoCloseable
aoqi@0:      * Contains one other resources as a data item.
aoqi@0:      */
aoqi@0:     static class bResource implements AutoCloseable {
aoqi@0: 
aoqi@0:         cResource cR;
aoqi@0: 
aoqi@0:         public bResource() {
aoqi@0:             cR = null;
aoqi@0:         }
aoqi@0: 
aoqi@0:         public bResource(cResource cr) {
aoqi@0:             cR = cr;
aoqi@0:         }
aoqi@0: 
aoqi@0:         public cResource getC() {
aoqi@0:             return cR;
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public void close() {
aoqi@0:             ResInNestedExpr.closing(this.getClass().getName());
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     /** A resource to implement AutoCloseable */
aoqi@0:     static class cResource implements AutoCloseable {
aoqi@0: 
aoqi@0:         public cResource() {
aoqi@0:         }
aoqi@0: 
aoqi@0:         @Override
aoqi@0:         public void close() {
aoqi@0:             ResInNestedExpr.closing(this.getClass().getName());
aoqi@0:         }
aoqi@0:     }
aoqi@0: }
aoqi@0: