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/T8042785/FlagsNotCopiedToBridgeMethodTest.java	Fri May 30 18:21:05 2014 +0100
     1.3 @@ -0,0 +1,79 @@
     1.4 +/*
     1.5 + * Copyright (c) 2014, 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 +/*
    1.28 + * @test
    1.29 + * @bug 8042785
    1.30 + * @summary javac, bridge methods are not getting the flags from the original method
    1.31 + * @run main FlagsNotCopiedToBridgeMethodTest
    1.32 + */
    1.33 +
    1.34 +import java.io.BufferedInputStream;
    1.35 +import java.nio.file.Files;
    1.36 +import java.nio.file.Path;
    1.37 +import java.nio.file.Paths;
    1.38 +
    1.39 +import com.sun.tools.classfile.AccessFlags;
    1.40 +import com.sun.tools.classfile.ClassFile;
    1.41 +import com.sun.tools.classfile.Method;
    1.42 +import com.sun.tools.javac.util.Assert;
    1.43 +
    1.44 +public class FlagsNotCopiedToBridgeMethodTest {
    1.45 +
    1.46 +    public static void main(String[] args) throws Exception {
    1.47 +        new FlagsNotCopiedToBridgeMethodTest().run();
    1.48 +    }
    1.49 +
    1.50 +    void run() throws Exception {
    1.51 +        checkClassFile(Paths.get(System.getProperty("test.classes"),
    1.52 +                this.getClass().getSimpleName() + "$CovariantReturnType.class"));
    1.53 +        checkClassFile(Paths.get(System.getProperty("test.classes"),
    1.54 +                this.getClass().getSimpleName() +
    1.55 +                "$CovariantReturnType$VisibilityChange.class"));
    1.56 +    }
    1.57 +
    1.58 +    void checkClassFile(final Path cfilePath) throws Exception {
    1.59 +        ClassFile classFile = ClassFile.read(
    1.60 +                new BufferedInputStream(Files.newInputStream(cfilePath)));
    1.61 +        for (Method method : classFile.methods) {
    1.62 +            if (method.access_flags.is(AccessFlags.ACC_BRIDGE)) {
    1.63 +                Assert.check(method.access_flags.is(AccessFlags.ACC_FINAL | AccessFlags.ACC_STRICT),
    1.64 +                        "bridge method has incorrect flags");
    1.65 +            }
    1.66 +        }
    1.67 +    }
    1.68 +
    1.69 +    abstract class T<A,B> {
    1.70 +        B m(A a){ return null; }
    1.71 +    }
    1.72 +
    1.73 +    class CovariantReturnType extends T<Integer, Integer> {
    1.74 +        strictfp final Integer m(Integer i) {
    1.75 +            return i;
    1.76 +        }
    1.77 +
    1.78 +        public class VisibilityChange extends CovariantReturnType {}
    1.79 +
    1.80 +    }
    1.81 +
    1.82 +}