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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

 * 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.

 *

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 */

/*

 * @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());

        }

    }

}