diff -r 2667e5c45e24 -r f8a45a60bc6b test/runtime/RedefineTests/RedefineInterfaceCall.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/RedefineTests/RedefineInterfaceCall.java Fri Sep 29 14:30:05 2017 -0400 @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8174962 + * @summary Redefine class with interface method call + * @library /testlibrary /test/lib + * @modules java.base/jdk.internal.misc + * @modules java.compiler + * java.instrument + * jdk.jartool/sun.tools.jar + * @run main RedefineClassHelper + * @run main/othervm -javaagent:redefineagent.jar RedefineInterfaceCall + */ + +import static jdk.testlibrary.Asserts.assertEquals; + +interface I1 { default int m() { return 0; } } +interface I2 extends I1 {} + +public class RedefineInterfaceCall { + + public static class C implements I2 { + public int test(I2 i) { + return i.m(); // invokeinterface cpCacheEntry + } + } + + static String newI1 = + "interface I1 { default int m() { return 1; } }"; + + static String newC = + "public class RedefineInterfaceCall$C implements I2 { " + + " public int test(I2 i) { " + + " return i.m(); " + + " } " + + "} "; + + static int test(I2 i) { + return i.m(); // invokeinterface cpCacheEntry + } + + public static void main(String[] args) throws Exception { + C c = new C(); + + assertEquals(test(c), 0); + assertEquals(c.test(c), 0); + + RedefineClassHelper.redefineClass(C.class, newC); + + assertEquals(c.test(c), 0); + + RedefineClassHelper.redefineClass(I1.class, newI1); + + assertEquals(test(c), 1); + assertEquals(c.test(c), 1); + + RedefineClassHelper.redefineClass(C.class, newC); + + assertEquals(c.test(c), 1); + } +}