mcimadamore@1393: /*
mcimadamore@1393:  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
mcimadamore@1393:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@1393:  *
mcimadamore@1393:  * This code is free software; you can redistribute it and/or modify it
mcimadamore@1393:  * under the terms of the GNU General Public License version 2 only, as
mcimadamore@1393:  * published by the Free Software Foundation.
mcimadamore@1393:  *
mcimadamore@1393:  * This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@1393:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@1393:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
mcimadamore@1393:  * version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@1393:  * accompanied this code).
mcimadamore@1393:  *
mcimadamore@1393:  * You should have received a copy of the GNU General Public License version
mcimadamore@1393:  * 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@1393:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@1393:  *
mcimadamore@1393:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
mcimadamore@1393:  * or visit www.oracle.com if you need additional information or have any
mcimadamore@1393:  * questions.
mcimadamore@1393:  */
mcimadamore@1393: 
mcimadamore@1393: /*
mcimadamore@1393:  * @test
mcimadamore@1393:  * @summary  check that javac does not generate bridge methods for defaults
mcimadamore@1393:  */
mcimadamore@1393: 
mcimadamore@1393: import com.sun.tools.classfile.ClassFile;
mcimadamore@1393: import com.sun.tools.classfile.ConstantPool.*;
mcimadamore@1393: import com.sun.tools.classfile.Method;
mcimadamore@1393: 
mcimadamore@1393: import java.io.*;
mcimadamore@1393: 
mcimadamore@1393: public class TestNoBridgeOnDefaults {
mcimadamore@1393: 
mcimadamore@1393:     interface A<X> {
mcimadamore@1393:         default <Y> A<X> m(X x, Y y) { return Impl.<X,Y>m1(this, x, y); }
mcimadamore@1393:     }
mcimadamore@1393: 
mcimadamore@1393:     static abstract class B<X> implements A<X> { }
mcimadamore@1393: 
mcimadamore@1393:     interface C<X> extends A<X> {
mcimadamore@1393:         default <Y> C<X> m(X x, Y y) { return Impl.<X,Y>m2(this, x, y); }
mcimadamore@1393:     }
mcimadamore@1393: 
mcimadamore@1393:     static abstract class D<X> extends B<X> implements C<X> { }
mcimadamore@1393: 
mcimadamore@1393:     static class Impl {
mcimadamore@1393:        static <X, Y> A<X> m1(A<X> rec, X x, Y y) { return null; }
mcimadamore@1393:        static <X, Y> C<X> m2(C<X> rec, X x, Y y) { return null; }
mcimadamore@1393:     }
mcimadamore@1393: 
mcimadamore@1393:     static final String[] SUBTEST_NAMES = { B.class.getName() + ".class", D.class.getName() + ".class" };
mcimadamore@1393:     static final String TEST_METHOD_NAME = "m";
mcimadamore@1393: 
mcimadamore@1393:     public static void main(String... args) throws Exception {
mcimadamore@1393:         new TestNoBridgeOnDefaults().run();
mcimadamore@1393:     }
mcimadamore@1393: 
mcimadamore@1393:     public void run() throws Exception {
mcimadamore@1393:         String workDir = System.getProperty("test.classes");
mcimadamore@1393:         for (int i = 0 ; i < SUBTEST_NAMES.length ; i ++) {
mcimadamore@1393:             File compiledTest = new File(workDir, SUBTEST_NAMES[i]);
mcimadamore@1393:             checkNoBridgeOnDefaults(compiledTest);
mcimadamore@1393:         }
mcimadamore@1393:     }
mcimadamore@1393: 
mcimadamore@1393:     void checkNoBridgeOnDefaults(File f) {
mcimadamore@1393:         System.err.println("check: " + f);
mcimadamore@1393:         try {
mcimadamore@1393:             ClassFile cf = ClassFile.read(f);
mcimadamore@1393:             for (Method m : cf.methods) {
mcimadamore@1393:                 String mname = m.getName(cf.constant_pool);
mcimadamore@1393:                 if (mname.equals(TEST_METHOD_NAME)) {
mcimadamore@1393:                     throw new Error("unexpected bridge method found " + m);
mcimadamore@1393:                 }
mcimadamore@1393:             }
mcimadamore@1393:         } catch (Exception e) {
mcimadamore@1393:             e.printStackTrace();
mcimadamore@1393:             throw new Error("error reading " + f +": " + e);
mcimadamore@1393:         }
mcimadamore@1393:     }
mcimadamore@1393: }