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/*
* Copyright (c) 2006, 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.
*
* 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 6270982
* @summary Redefine a class so that the order of external classes in
* the constant pool are changed.
* @comment converted from test/jdk/com/sun/jdi/RedefineChangeClassOrder.sh
*
* @library /test/lib
* @compile -g RedefineChangeClassOrder.java
* @run main/othervm RedefineChangeClassOrder
*/
import jdk.test.lib.process.OutputAnalyzer;
import lib.jdb.JdbCommand;
import lib.jdb.JdbTest;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
class RedefineChangeClassOrderTarg {
public static void main(String[] args) {
new RedefineChangeClassOrderTarg().hi(false);
new RedefineChangeClassOrderTarg().hi(true); // @1 breakpoint
}
public void hi(boolean expected) {
boolean isNewVersion = false; // @1 commentout
// @1 uncomment boolean isNewVersion = true;
if (expected == isNewVersion) {
System.out.println("PASS: expected and isNewVersion match.");
} else {
System.out.println("FAIL: expected and isNewVersion do not match.");
System.out.println("expected=" + expected
+ " isNewVersion=" + isNewVersion);
}
Foo1 foo1 = new Foo1(); // @1 commentout
foo1.hi(); // @1 commentout
// This Hack code block exists to force some verification_type_info
// objects of subtype Object_variable_info into the StackMapTable.
//
// In the redefined code, the above Foo1 code is effectively
// moved after the Foo2 code below which causes things to be
// layed out in a different order in the constant pool. The
// cpool_index in the Object_variable_info has to be updated
// in the redefined code's StackMapTable to refer to right
/// constant pool index in the merged constant pool.
Hack hack = getClass().getAnnotation(Hack.class);
if (hack != null) {
String class_annotation = hack.value();
System.out.println("class annotation is: " + class_annotation);
if (isNewVersion) {
if (class_annotation.equals("JUNK")) {
System.out.println("class_annotation is JUNK.");
} else {
System.out.println("class_annotation is NOT JUNK.");
}
}
}
Foo2 foo2 = new Foo2();
foo2.hi();
// @1 uncomment Foo1 foo1 = new Foo1();
// @1 uncomment foo1.hi();
}
}
class Foo1 {
public void hi() {
System.out.println("Hello from " + getClass());
}
}
class Foo2 {
public void hi() {
System.out.println("Hello from " + getClass());
}
}
@Retention(RetentionPolicy.RUNTIME)
@interface Hack {
String value();
}
public class RedefineChangeClassOrder extends JdbTest {
public static void main(String argv[]) {
new RedefineChangeClassOrder().run();
}
private RedefineChangeClassOrder() {
super(DEBUGGEE_CLASS, SOURCE_FILE);
}
private static final String DEBUGGEE_CLASS = RedefineChangeClassOrderTarg.class.getName();
private static final String SOURCE_FILE = "RedefineChangeClassOrder.java";
@Override
protected void runCases() {
setBreakpoints(1);
jdb.command(JdbCommand.run());
redefineClass(1, "-g");
jdb.contToExit(1);
new OutputAnalyzer(getDebuggeeOutput())
.shouldNotContain("FAIL:");
}
}
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