jjg@1521: /*
darcy@1534:  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
jjg@1521:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@1521:  *
jjg@1521:  * This code is free software; you can redistribute it and/or modify it
jjg@1521:  * under the terms of the GNU General Public License version 2 only, as
jjg@1521:  * published by the Free Software Foundation.
jjg@1521:  *
jjg@1521:  * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@1521:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@1521:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jjg@1521:  * version 2 for more details (a copy is included in the LICENSE file that
jjg@1521:  * accompanied this code).
jjg@1521:  *
jjg@1521:  * You should have received a copy of the GNU General Public License version
jjg@1521:  * 2 along with this work; if not, write to the Free Software Foundation,
jjg@1521:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@1521:  *
jjg@1521:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jjg@1521:  * or visit www.oracle.com if you need additional information or have any
jjg@1521:  * questions.
jjg@1521:  */
jjg@1521: 
jjg@1521: import java.lang.annotation.*;
jjg@1521: import java.io.*;
jjg@1521: import java.net.URL;
jjg@1521: import java.util.List;
jjg@1521: 
jjg@1521: import com.sun.tools.classfile.*;
jjg@1521: 
jjg@1521: /*
jjg@1521:  * @test
jjg@1521:  * @bug 6843077 8006775
jjg@1521:  * @summary test that typecasts annotation are emitted if only the cast
jjg@1521:  *          expression is optimized away
jjg@1521:  */
jjg@1521: 
jjg@1521: public class TypeCasts extends ClassfileTestHelper{
jjg@1521:     public static void main(String[] args) throws Exception {
jjg@1521:         new TypeCasts().run();
jjg@1521:     }
jjg@1521: 
jjg@1521:     public void run() throws Exception {
jjg@1521:         expected_tinvisibles = 4;
jjg@1521:         expected_tvisibles = 0;
jjg@1521: 
jjg@1521:         ClassFile cf = getClassFile("TypeCasts$Test.class");
jjg@1521:         test(cf);
jjg@1521:         for (Field f : cf.fields) {
jjg@1521:             test(cf, f);
jjg@1521:         }
jjg@1521:         for (Method m: cf.methods) {
jjg@1521:             test(cf, m);
jjg@1521:         }
jjg@1521: 
jjg@1521:         countAnnotations();
jjg@1521: 
jjg@1521:         if (errors > 0)
jjg@1521:             throw new Exception(errors + " errors found");
jjg@1521:         System.out.println("PASSED");
jjg@1521:     }
jjg@1521: 
jjg@1521:     /*********************** Test class *************************/
jjg@1521:     static class Test {
jjg@1521:         @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
jjg@1521:         @interface A {}
jjg@1521: 
jjg@1521:         void emit() {
jjg@1521:             Object o = null;
jjg@1521:             String s = null;
jjg@1521: 
jjg@1521:             String a0 = (@A String)o;
jjg@1521:             Object a1 = (@A Object)o;
jjg@1521: 
jjg@1521:             String b0 = (@A String)s;
jjg@1521:             Object b1 = (@A Object)s;
jjg@1521:         }
jjg@1521: 
jjg@1521:         void alldeadcode() {
jjg@1521:             Object o = null;
jjg@1521: 
jjg@1521:             if (false) {
jjg@1521:                 String a0 = (@A String)o;
jjg@1521:             }
jjg@1521:         }
jjg@1521:     }
jjg@1521: }