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/*
* Copyright (c) 2019, 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 8225325
* @summary Add tests for redefining a class' private method during resolution of the bootstrap specifier
* @library /test/lib
* @modules java.base/jdk.internal.misc
* @modules java.compiler
* java.instrument
* @compile ../NamedBuffer.java
* @compile redef/Xost.java
* @run main RedefineClassHelper
* @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class*=trace RedefineInterfaceMethods
*/
class Host {
static void log(String msg) { System.out.println(msg); }
static interface B {
int ORIGINAL_RETURN = 1;
int NEW_RETURN = 2;
private int privateMethod() {
Runnable race1 = () -> log("Hello from inside privateMethod");
race1.run();
return ORIGINAL_RETURN;
}
public default int defaultMethod(String p) {
log(p + "from interface B's defaultMethod");
return privateMethod();
}
}
static class Impl implements B {
}
}
public class RedefineInterfaceMethods {
private static byte[] bytesForHostClass(char replace) throws Throwable {
return NamedBuffer.bytesForHostClass(replace, "Host$B");
}
public static void main(String[] args) throws Throwable {
Host.Impl impl = new Host.Impl();
int res = impl.defaultMethod("Hello ");
if (res != Host.B.ORIGINAL_RETURN)
throw new Error("defaultMethod returned " + res +
" expected " + Host.B.ORIGINAL_RETURN);
byte[] buf = bytesForHostClass('X');
RedefineClassHelper.redefineClass(Host.B.class, buf);
res = impl.defaultMethod("Goodbye ");
if (res != Host.B.NEW_RETURN)
throw new Error("defaultMethod returned " + res +
" expected " + Host.B.NEW_RETURN);
}
}
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