/*

 * 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

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 */

import java.lang.annotation.*;

import java.io.*;

import java.net.URL;

import java.util.List;

import com.sun.tools.classfile.*;

/*

 * @test

 * @bug 6843077 8006775

 * @summary test that typecasts annotation are emitted if only the cast

 *          expression is optimized away

 */

public class TypeCasts extends ClassfileTestHelper{

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

        new TypeCasts().run();

    }

    public void run() throws Exception {

        expected_tinvisibles = 4;

        expected_tvisibles = 0;

        ClassFile cf = getClassFile("TypeCasts$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 emit() {

            Object o = null;

            String s = null;

            String a0 = (@A String)o;

            Object a1 = (@A Object)o;

            String b0 = (@A String)s;

            Object b1 = (@A Object)s;

        }

        void alldeadcode() {

            Object o = null;

            if (false) {

                String a0 = (@A String)o;

            }

        }

    }

}