author | amenkov |
Wed, 12 Sep 2018 12:29:40 -0700 | |
changeset 51716 | e7459270ca63 |
parent 47216 | test/jdk/com/sun/jdi/RedefineChangeClassOrder.sh@71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 6270982 |
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* @summary Redefine a class so that the order of external classes in |
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* the constant pool are changed. |
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* @comment converted from test/jdk/com/sun/jdi/RedefineChangeClassOrder.sh |
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* |
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* @library /test/lib |
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* @compile -g RedefineChangeClassOrder.java |
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* @run main/othervm RedefineChangeClassOrder |
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*/ |
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import jdk.test.lib.process.OutputAnalyzer; |
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import lib.jdb.JdbCommand; |
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import lib.jdb.JdbTest; |
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import java.lang.annotation.Retention; |
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import java.lang.annotation.RetentionPolicy; |
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class RedefineChangeClassOrderTarg { |
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public static void main(String[] args) { |
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new RedefineChangeClassOrderTarg().hi(false); |
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new RedefineChangeClassOrderTarg().hi(true); // @1 breakpoint |
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} |
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public void hi(boolean expected) { |
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boolean isNewVersion = false; // @1 commentout |
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// @1 uncomment boolean isNewVersion = true; |
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if (expected == isNewVersion) { |
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System.out.println("PASS: expected and isNewVersion match."); |
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} else { |
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System.out.println("FAIL: expected and isNewVersion do not match."); |
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System.out.println("expected=" + expected |
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+ " isNewVersion=" + isNewVersion); |
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} |
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Foo1 foo1 = new Foo1(); // @1 commentout |
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foo1.hi(); // @1 commentout |
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// This Hack code block exists to force some verification_type_info |
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// objects of subtype Object_variable_info into the StackMapTable. |
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// |
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// In the redefined code, the above Foo1 code is effectively |
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// moved after the Foo2 code below which causes things to be |
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// layed out in a different order in the constant pool. The |
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// cpool_index in the Object_variable_info has to be updated |
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// in the redefined code's StackMapTable to refer to right |
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/// constant pool index in the merged constant pool. |
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Hack hack = getClass().getAnnotation(Hack.class); |
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if (hack != null) { |
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String class_annotation = hack.value(); |
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System.out.println("class annotation is: " + class_annotation); |
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if (isNewVersion) { |
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if (class_annotation.equals("JUNK")) { |
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System.out.println("class_annotation is JUNK."); |
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} else { |
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System.out.println("class_annotation is NOT JUNK."); |
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} |
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} |
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} |
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Foo2 foo2 = new Foo2(); |
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foo2.hi(); |
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// @1 uncomment Foo1 foo1 = new Foo1(); |
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// @1 uncomment foo1.hi(); |
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} |
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} |
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class Foo1 { |
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public void hi() { |
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System.out.println("Hello from " + getClass()); |
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} |
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} |
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class Foo2 { |
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public void hi() { |
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System.out.println("Hello from " + getClass()); |
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} |
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} |
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@Retention(RetentionPolicy.RUNTIME) |
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@interface Hack { |
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String value(); |
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} |
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public class RedefineChangeClassOrder extends JdbTest { |
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public static void main(String argv[]) { |
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new RedefineChangeClassOrder().run(); |
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} |
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private RedefineChangeClassOrder() { |
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super(DEBUGGEE_CLASS, SOURCE_FILE); |
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} |
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private static final String DEBUGGEE_CLASS = RedefineChangeClassOrderTarg.class.getName(); |
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private static final String SOURCE_FILE = "RedefineChangeClassOrder.java"; |
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@Override |
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protected void runCases() { |
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setBreakpoints(1); |
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jdb.command(JdbCommand.run()); |
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redefineClass(1, "-g"); |
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jdb.contToExit(1); |
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new OutputAnalyzer(getDebuggeeOutput()) |
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.shouldNotContain("FAIL:"); |
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} |
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} |