Mercurial > jdk8-mips64-public > langtools / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/annotations/typeAnnotations/classfile/TypeCasts.java	Wed Jan 23 13:27:24 2013 -0800
     1.3 @@ -0,0 +1,87 @@
     1.4 +/*
     1.5 + * Copyright (c) 2009 Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +import java.lang.annotation.*;
    1.28 +import java.io.*;
    1.29 +import java.net.URL;
    1.30 +import java.util.List;
    1.31 +
    1.32 +import com.sun.tools.classfile.*;
    1.33 +
    1.34 +/*
    1.35 + * @test
    1.36 + * @bug 6843077 8006775
    1.37 + * @summary test that typecasts annotation are emitted if only the cast
    1.38 + *          expression is optimized away
    1.39 + */
    1.40 +
    1.41 +public class TypeCasts extends ClassfileTestHelper{
    1.42 +    public static void main(String[] args) throws Exception {
    1.43 +        new TypeCasts().run();
    1.44 +    }
    1.45 +
    1.46 +    public void run() throws Exception {
    1.47 +        expected_tinvisibles = 4;
    1.48 +        expected_tvisibles = 0;
    1.49 +
    1.50 +        ClassFile cf = getClassFile("TypeCasts$Test.class");
    1.51 +        test(cf);
    1.52 +        for (Field f : cf.fields) {
    1.53 +            test(cf, f);
    1.54 +        }
    1.55 +        for (Method m: cf.methods) {
    1.56 +            test(cf, m);
    1.57 +        }
    1.58 +
    1.59 +        countAnnotations();
    1.60 +
    1.61 +        if (errors > 0)
    1.62 +            throw new Exception(errors + " errors found");
    1.63 +        System.out.println("PASSED");
    1.64 +    }
    1.65 +
    1.66 +    /*********************** Test class *************************/
    1.67 +    static class Test {
    1.68 +        @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
    1.69 +        @interface A {}
    1.70 +
    1.71 +        void emit() {
    1.72 +            Object o = null;
    1.73 +            String s = null;
    1.74 +
    1.75 +            String a0 = (@A String)o;
    1.76 +            Object a1 = (@A Object)o;
    1.77 +
    1.78 +            String b0 = (@A String)s;
    1.79 +            Object b1 = (@A Object)s;
    1.80 +        }
    1.81 +
    1.82 +        void alldeadcode() {
    1.83 +            Object o = null;
    1.84 +
    1.85 +            if (false) {
    1.86 +                String a0 = (@A String)o;
    1.87 +            }
    1.88 +        }
    1.89 +    }
    1.90 +}