1 /*
 2  * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 import java.io.File;
26 import java.lang.invoke.MethodHandles;
27 import jdk.test.whitebox.WhiteBox;
28 
29 public class RewriteBytecodesInline {
30   public static void main(String args[]) throws Throwable {
31     String from = "___xxx___";
32     String to   = "___yyy___";
33     File clsFile = new File(args[0]);
34     Class fieldClass = Util.defineModifiedClass(MethodHandles.lookup(), clsFile, from, to);
35 
36     WithInlinedField wif = new WithInlinedField();
37 
38     if (wif.p.getClass() != fieldClass) {
39       throw new RuntimeException("Mismatched field class");
40     }
41 
42     // Even if the Point class is not loaded from the CDS archive, make sure the WithInlinedField class
43     // can still be loaded successfully, and properly get the rewritten version of Point.
44     // The archived version of WithInlinedField must not be loaded, because it references the archived
45     // version of Point, but a different version of Point has been loaded.
46 
47     if (!wif.p.msg().equals(to)) {
48       throw new RuntimeException("Wrong output, expected: " + to + ", but got: " + wif.p.msg());
49     }
50 
51     WhiteBox wb = WhiteBox.getWhiteBox();
52     if (wb.isSharedClass(fieldClass)) {
53       throw new RuntimeException("wb.isSharedClass(superClass) should be false");
54     }
55     if (wb.isSharedClass(wif.p.getClass())) {
56       throw new RuntimeException("wb.isSharedClass(child.getClass()) should be false");
57     }
58   }
59 }