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test/hotspot/jtreg/runtime/RedefineTests/RedefineInterfaceMethods.java
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rev 50608 : imported patch jep181-rev5
*** 1,7 ****
/*
! * Copyright (c) 2016, 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.
--- 1,7 ----
/*
! * Copyright (c) 2016, 2018, 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.
*** 21,57 ****
* questions.
*/
/*
* @test
! * @bug 8081800
* @summary Redefine private and default interface methods
* @library /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 -Xlog:redefine+class*=trace RedefineInterfaceMethods
*/
- public class RedefineInterfaceMethods {
! static final int RET = -2;
! static interface B {
int ORIGINAL_RETURN = 1;
int NEW_RETURN = 2;
private int privateMethod() {
return ORIGINAL_RETURN;
}
public default int defaultMethod() {
return privateMethod();
}
! }
public static String redefinedPrivateMethod =
! "interface RedefineInterfaceMethods$B {" +
" int ORIGINAL_RETURN = 1;" +
" int NEW_RETURN = 2;" +
" private int privateMethod() {" +
" return NEW_RETURN;" +
" }" +
--- 21,61 ----
* questions.
*/
/*
* @test
! * @bug 8081800 8010319
* @summary Redefine private and default interface methods
* @library /test/lib
* @modules java.base/jdk.internal.misc
* @modules java.compiler
* java.instrument
* jdk.jartool/sun.tools.jar
* @run main RedefineClassHelper
* @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class*=trace RedefineInterfaceMethods
*/
! // package access top-level class to avoid problem with RedefineClassHelper
! // and nested types.
! interface RedefineInterfaceMethods_B {
int ORIGINAL_RETURN = 1;
int NEW_RETURN = 2;
private int privateMethod() {
return ORIGINAL_RETURN;
}
public default int defaultMethod() {
return privateMethod();
}
! }
!
! public class RedefineInterfaceMethods {
!
! static final int RET = -2;
public static String redefinedPrivateMethod =
! "interface RedefineInterfaceMethods_B {" +
" int ORIGINAL_RETURN = 1;" +
" int NEW_RETURN = 2;" +
" private int privateMethod() {" +
" return NEW_RETURN;" +
" }" +
*** 59,102 ****
" return privateMethod();" +
" }" +
"}";
public static String redefinedDefaultMethod =
! "interface RedefineInterfaceMethods$B {" +
" int ORIGINAL_RETURN = 1;" +
" int NEW_RETURN = 2;" +
" private int privateMethod() {" +
" return ORIGINAL_RETURN;" +
" }" +
" public default int defaultMethod() {" +
" return RedefineInterfaceMethods.RET;" +
" }" +
"}";
! static class Impl implements B {
}
public static void main(String[] args) throws Exception {
Impl impl = new Impl();
int res = impl.defaultMethod();
! if (res != B.ORIGINAL_RETURN)
throw new Error("defaultMethod returned " + res +
! " expected " + B.ORIGINAL_RETURN);
! RedefineClassHelper.redefineClass(B.class, redefinedPrivateMethod);
res = impl.defaultMethod();
! if (res != B.NEW_RETURN)
throw new Error("defaultMethod returned " + res +
! " expected " + B.NEW_RETURN);
System.gc();
! RedefineClassHelper.redefineClass(B.class, redefinedDefaultMethod);
res = impl.defaultMethod();
if (res != RET)
throw new Error("defaultMethod returned " + res +
" expected " + RET);
--- 63,106 ----
" return privateMethod();" +
" }" +
"}";
public static String redefinedDefaultMethod =
! "interface RedefineInterfaceMethods_B {" +
" int ORIGINAL_RETURN = 1;" +
" int NEW_RETURN = 2;" +
" private int privateMethod() {" +
" return ORIGINAL_RETURN;" +
" }" +
" public default int defaultMethod() {" +
" return RedefineInterfaceMethods.RET;" +
" }" +
"}";
! static class Impl implements RedefineInterfaceMethods_B {
}
public static void main(String[] args) throws Exception {
Impl impl = new Impl();
int res = impl.defaultMethod();
! if (res != RedefineInterfaceMethods_B.ORIGINAL_RETURN)
throw new Error("defaultMethod returned " + res +
! " expected " + RedefineInterfaceMethods_B.ORIGINAL_RETURN);
! RedefineClassHelper.redefineClass(RedefineInterfaceMethods_B.class, redefinedPrivateMethod);
res = impl.defaultMethod();
! if (res != RedefineInterfaceMethods_B.NEW_RETURN)
throw new Error("defaultMethod returned " + res +
! " expected " + RedefineInterfaceMethods_B.NEW_RETURN);
System.gc();
! RedefineClassHelper.redefineClass(RedefineInterfaceMethods_B.class, redefinedDefaultMethod);
res = impl.defaultMethod();
if (res != RET)
throw new Error("defaultMethod returned " + res +
" expected " + RET);
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