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/defaultMethods/super/TestDirectSuperInterfaceInvoke.java	Wed Nov 06 17:48:25 2013 +0100
     1.3 @@ -0,0 +1,107 @@
     1.4 +/*
     1.5 + * Copyright (c) 2013, 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 8027281
    1.30 + * @summary As per JVMS 4.9.2, invokespecial can only refer to direct superinterfaces
    1.31 + * @compile TestDirectSuperInterfaceInvoke.java
    1.32 + * @run main TestDirectSuperInterfaceInvoke
    1.33 + */
    1.34 +
    1.35 +import java.io.File;
    1.36 +import com.sun.tools.classfile.Attribute;
    1.37 +import com.sun.tools.classfile.ClassFile;
    1.38 +import com.sun.tools.classfile.Code_attribute;
    1.39 +import com.sun.tools.classfile.ConstantPool.CPRefInfo;
    1.40 +import com.sun.tools.classfile.Instruction;
    1.41 +import com.sun.tools.classfile.Method;
    1.42 +import com.sun.tools.classfile.Opcode;
    1.43 +
    1.44 +interface BaseInterface {
    1.45 +    public default int testedMethod(){ return 1; }
    1.46 +}
    1.47 +
    1.48 +interface IntermediateInterface extends BaseInterface {
    1.49 +}
    1.50 +
    1.51 +interface TestInterface extends IntermediateInterface {
    1.52 +    public default void test() {
    1.53 +        IntermediateInterface.super.testedMethod();
    1.54 +    }
    1.55 +}
    1.56 +
    1.57 +abstract class BaseClass implements BaseInterface { }
    1.58 +
    1.59 +class TestClass extends BaseClass implements BaseInterface {
    1.60 +    public int testedMethod() {return 9;}
    1.61 +    public void test() {
    1.62 +        if (super.testedMethod() != 1)
    1.63 +            throw new IllegalStateException();
    1.64 +        if (TestClass.super.testedMethod() != 1)
    1.65 +            throw new IllegalStateException();
    1.66 +        new Runnable() {
    1.67 +            public void run() {
    1.68 +                if (TestClass.super.testedMethod() != 1)
    1.69 +                    throw new IllegalStateException();
    1.70 +            }
    1.71 +        }.run();
    1.72 +    }
    1.73 +}
    1.74 +
    1.75 +public class TestDirectSuperInterfaceInvoke {
    1.76 +    public static void main(String... args) throws Exception {
    1.77 +        new TestDirectSuperInterfaceInvoke().run();
    1.78 +    }
    1.79 +
    1.80 +    public void run() throws Exception {
    1.81 +        new TestClass().test();
    1.82 +        verifyDefaultBody("TestClass.class");
    1.83 +        new TestInterface() {}.test();
    1.84 +        verifyDefaultBody("TestInterface.class");
    1.85 +    }
    1.86 +
    1.87 +    void verifyDefaultBody(String classFile) {
    1.88 +        String workDir = System.getProperty("test.classes");
    1.89 +        File file = new File(workDir, classFile);
    1.90 +        try {
    1.91 +            final ClassFile cf = ClassFile.read(file);
    1.92 +            for (Method m : cf.methods) {
    1.93 +                Code_attribute codeAttr = (Code_attribute)m.attributes.get(Attribute.Code);
    1.94 +                for (Instruction instr : codeAttr.getInstructions()) {
    1.95 +                    if (instr.getOpcode() == Opcode.INVOKESPECIAL) {
    1.96 +                        int pc_index = instr.getShort(1);
    1.97 +                        CPRefInfo ref = (CPRefInfo)cf.constant_pool.get(pc_index);
    1.98 +                        String className = ref.getClassName();
    1.99 +                        if (className.equals("BaseInterface"))
   1.100 +                            throw new IllegalStateException("Must not directly refer to TestedInterface");
   1.101 +                    }
   1.102 +                }
   1.103 +            }
   1.104 +        } catch (Exception e) {
   1.105 +            e.printStackTrace();
   1.106 +            throw new Error("error reading " + file +": " + e);
   1.107 +        }
   1.108 +    }
   1.109 +
   1.110 +}