/*

 * Copyright (c) 2009, 2015, 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.

 */

import java.lang.annotation.*;

import java.io.*;

import java.net.URL;

import java.util.List;

import com.sun.tools.classfile.*;

/*

 * @test

 * @bug 6917130 8006775

 * @summary test that optimized away annotations are not emited to classfile

 */

public class DeadCode extends ClassfileTestHelper {

    public static void main(String[] args) throws Exception {

        new DeadCode().run();

    }

    public void run() throws Exception {

        expected_tinvisibles = 1;

        expected_tvisibles = 0;

        ClassFile cf = getClassFile("DeadCode$Test.class");

        test(cf);

        for (Field f : cf.fields) {

            test(cf, f);

        }

        for (Method m: cf.methods) {

            test(cf, m, true);

        }

        countAnnotations();

        if (errors > 0)

            throw new Exception(errors + " errors found");

        System.out.println("PASSED");

    }

    /*********************** Test class *************************/

    static class Test {

        @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})

        @interface A {}

        void test() {

            List<? extends @A Object> o = null;

            o.toString();

            @A String m;

            if (false) {

                @A String a;

                @A String b = "m";

                b.toString();

                List<? extends @A Object> c = null;

                c.toString();

            }

        }

    }

}