| /* |
| * Copyright (c) 2004, 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.scenarios.bcinstr.BI03; |
| |
| import java.io.*; |
| |
| import nsk.share.*; |
| import nsk.share.jvmti.*; |
| |
| public class bi03t002 extends DebugeeClass { |
| |
| static final int MAGIC_NUMBER = 101; |
| static final String bi03t002aClassName = |
| "nsk.jvmti.scenarios.bcinstr.BI03.bi03t002a"; |
| |
| // run test from command line |
| public static void main(String argv[]) { |
| argv = nsk.share.jvmti.JVMTITest.commonInit(argv); |
| |
| // JCK-compatible exit |
| System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE); |
| } |
| |
| // run test from JCK-compatible environment |
| public static int run(String argv[], PrintStream out) { |
| return new bi03t002().runIt(argv, out); |
| } |
| |
| /* =================================================================== */ |
| |
| // scaffold objects |
| ArgumentHandler argHandler = null; |
| int status = Consts.TEST_PASSED; |
| Log log = null; |
| long timeout = 0; |
| |
| /* new bytecodes of tested class */ |
| public static byte newClassBytes[] = null; |
| |
| // run debuggee |
| public int runIt(String argv[], PrintStream out) { |
| argHandler = new ArgumentHandler(argv); |
| log = new Log(out, argHandler); |
| timeout = argHandler.getWaitTime() * 60 * 1000; |
| |
| String fileDir = "."; |
| String args[] = argHandler.getArguments(); |
| if (args.length > 0) { |
| fileDir = args[0]; |
| } |
| |
| String fileNameA = fileDir + File.separator + "newclass" + File.separator + |
| bi03t002aClassName.replace('.', File.separatorChar) + ".class"; |
| log.display("Reading bytes of new class: \n\t" + fileNameA); |
| try { |
| FileInputStream in = new FileInputStream(fileNameA); |
| newClassBytes = new byte[in.available()]; |
| in.read(newClassBytes); |
| in.close(); |
| } catch (Exception e) { |
| throw new Failure("Unexpected exception while reading class file:\n\t" + e); |
| } |
| |
| bi03t002a testedClass = new bi03t002a(); |
| int value = testedClass.check(); |
| log.display("Before redefinition: " + value); |
| if (value != 1) { |
| log.complain("Wrong value: " + value + |
| ", expected: " + 1); |
| status = Consts.TEST_FAILED; |
| } |
| |
| log.display("redefining bi03t002a class via RedefineClasses function"); |
| status = checkStatus(status); |
| |
| value = testedClass.check(); |
| log.display("After redefinition: " + value); |
| if (value != MAGIC_NUMBER) { |
| log.complain("Wrong value: " + value + |
| ", expected: " + MAGIC_NUMBER); |
| status = Consts.TEST_FAILED; |
| } |
| |
| log.display("Debugee finished"); |
| return checkStatus(status); |
| } |
| } |
| |
| /* =================================================================== */ |
| |
| class bi03t002a { |
| |
| public int check() { |
| return 1; |
| } |
| } |