203 lines
8.1 KiB
Java
203 lines
8.1 KiB
Java
/*
|
|
* Copyright (c) 2003, 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.
|
|
*/
|
|
|
|
package nsk.jvmti.RedefineClasses;
|
|
|
|
import java.io.*;
|
|
|
|
/**
|
|
* This test checks that the values of preexisting static variables of
|
|
* the redefined class will remain as they were prior to the redifinition;<br>
|
|
* check that completely uninitialized (new) static variables will be
|
|
* assigned their default value.
|
|
*/
|
|
public class redefclass003 {
|
|
static final int PASSED = 0;
|
|
static final int FAILED = 2;
|
|
static final int NO_RESULTS = 3;
|
|
static final int JCK_STATUS_BASE = 95;
|
|
|
|
static boolean DEBUG_MODE = false;
|
|
static String fileDir = ".";
|
|
|
|
private PrintStream out;
|
|
|
|
static {
|
|
try {
|
|
System.loadLibrary("redefclass003");
|
|
} catch (UnsatisfiedLinkError e) {
|
|
System.err.println("Could not load redefclass003 library");
|
|
System.err.println("java.library.path:" +
|
|
System.getProperty("java.library.path"));
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
native static int makeRedefinition(int vrb, Class redefClass,
|
|
byte[] classBytes);
|
|
native static int checkNewFields(int vrb, Class redefClass);
|
|
|
|
public static void main(String[] argv) {
|
|
argv = nsk.share.jvmti.JVMTITest.commonInit(argv);
|
|
|
|
System.exit(run(argv, System.out) + JCK_STATUS_BASE);
|
|
}
|
|
|
|
public static int run(String argv[], PrintStream out) {
|
|
return new redefclass003().runIt(argv, out);
|
|
}
|
|
|
|
private int runIt(String argv[], PrintStream out) {
|
|
File newRedefClassFile = null;
|
|
byte[] redefClassBytes;
|
|
int retValue = 0;
|
|
boolean totalRes = true;
|
|
|
|
this.out = out;
|
|
for (int i = 0; i < argv.length; i++) {
|
|
String token = argv[i];
|
|
|
|
if (token.equals("-v")) // verbose mode
|
|
DEBUG_MODE = true;
|
|
else
|
|
fileDir = token;
|
|
}
|
|
|
|
redefclass003r redefClsObj = new redefclass003r();
|
|
if ((retValue=redefClsObj.checkIt(out, DEBUG_MODE)) == 19 &&
|
|
redefClsObj.byteFld == 1 && redefClsObj.shortFld == 2 &&
|
|
redefClsObj.intFld == 3 && redefClsObj.longFld == 4L &&
|
|
redefClsObj.floatFld == 5.1F && redefClsObj.doubleFld == 6.0D &&
|
|
redefClsObj.charFld == 'a' && redefClsObj.booleanFld == false &&
|
|
redefClsObj.stringFld.equals("OLD redefclass003r")) {
|
|
if (DEBUG_MODE)
|
|
out.println("Successfully check the OLD version of redefclass003r");
|
|
} else {
|
|
out.println("TEST: failed to check the OLD version of redefclass003r");
|
|
return FAILED;
|
|
}
|
|
|
|
// try to redefine class redefclass003r
|
|
String fileName = fileDir + File.separator + "newclass" + File.separator +
|
|
redefclass003r.class.getName().replace('.', File.separatorChar) +
|
|
".class";
|
|
if (DEBUG_MODE)
|
|
out.println("Trying to redefine class from the file: " + fileName);
|
|
try {
|
|
FileInputStream in = new FileInputStream(fileName);
|
|
redefClassBytes = new byte[in.available()];
|
|
in.read(redefClassBytes);
|
|
in.close();
|
|
} catch (Exception ex) {
|
|
out.println("# Unexpected exception while reading class file:");
|
|
out.println("# " + ex);
|
|
return FAILED;
|
|
}
|
|
|
|
// make real redefinition
|
|
if (DEBUG_MODE)
|
|
retValue=makeRedefinition(1, redefClsObj.getClass(),
|
|
redefClassBytes);
|
|
else
|
|
retValue=makeRedefinition(0, redefClsObj.getClass(),
|
|
redefClassBytes);
|
|
switch (retValue) {
|
|
case FAILED:
|
|
out.println("TEST: failed to redefine class");
|
|
return FAILED;
|
|
case NO_RESULTS:
|
|
return PASSED;
|
|
case PASSED:
|
|
break;
|
|
}
|
|
|
|
if ((retValue=redefClsObj.checkIt(out, DEBUG_MODE)) == 73) {
|
|
if (DEBUG_MODE)
|
|
out.println("Successfully check the NEW version of redefclass003r\n");
|
|
|
|
/* Check that preexisting fields of the redefined class retain their
|
|
previous values after the redefinition */
|
|
if (redefClsObj.byteFld == 1 && redefClsObj.shortFld == 2 &&
|
|
redefClsObj.intFld == 3 && redefClsObj.longFld == 4L &&
|
|
redefClsObj.floatFld == 5.1F && redefClsObj.doubleFld == 6.0D &&
|
|
redefClsObj.charFld == 'a' && redefClsObj.booleanFld == false &&
|
|
redefClsObj.stringFld.equals("OLD redefclass003r")) {
|
|
if (DEBUG_MODE)
|
|
out.println("Check #1 PASSED: Preexisting static fields of the " +
|
|
"redefined class retain their previous values\n");
|
|
} else {
|
|
out.println("TEST FAILED: Preexisting static fields of the " +
|
|
"redefined class do not retain their previous values");
|
|
out.println("Current static field values of the redefined class:\n");
|
|
out.println("\tbyteFld = " + redefClsObj.byteFld +
|
|
",\texpected 1");
|
|
out.println("\tshortFld = " + redefClsObj.shortFld +
|
|
",\texpected 2");
|
|
out.println("\tintFld = " + redefClsObj.intFld +
|
|
",\texpected 3");
|
|
out.println("\tlongFld = " + redefClsObj.longFld +
|
|
",\texpected 4");
|
|
out.println("\tfloatFld = " + redefClsObj.floatFld +
|
|
",\texpected 5.1");
|
|
out.println("\tdoubleFld = " + redefClsObj.doubleFld +
|
|
",\texpected 6.0");
|
|
out.println("\tcharFld = '" + redefClsObj.charFld +
|
|
"',\texpected 'a'");
|
|
out.println("\tbooleanFld = " + redefClsObj.booleanFld +
|
|
",\texpected false");
|
|
out.println("\tstringFld = \"" + redefClsObj.stringFld +
|
|
"\"\texpected \"OLD redefclass003r\"\n");
|
|
totalRes = false;
|
|
}
|
|
|
|
/* Check that all completely uninitialized (new) static variables
|
|
were assigned their default value after redefinition */
|
|
if (DEBUG_MODE)
|
|
retValue=checkNewFields(1, redefClsObj.getClass());
|
|
else
|
|
retValue=checkNewFields(0, redefClsObj.getClass());
|
|
if (retValue == PASSED) {
|
|
if (DEBUG_MODE)
|
|
out.println("Check #2 PASSED: All completely uninitialized " +
|
|
"static variables of the redefined class\n" +
|
|
"\twere assigned their default value\n");
|
|
} else {
|
|
out.println("TEST FAILED: Completely uninitialized static " +
|
|
"variables of the redefined class were not assigned " +
|
|
"their default value\n");
|
|
totalRes = false;
|
|
}
|
|
} else {
|
|
if (retValue == 19)
|
|
out.println("TEST FAILED: the method redefclass003r.checkIt() is still old");
|
|
else
|
|
out.println("TEST: failed to call method redefclass003r.checkIt()");
|
|
|
|
return FAILED;
|
|
}
|
|
|
|
if (totalRes) return PASSED;
|
|
else return FAILED;
|
|
}
|
|
}
|