114 lines
3.3 KiB
Java
114 lines
3.3 KiB
Java
/*
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* Copyright (c) 2003, 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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package nsk.jvmti.PopFrame;
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import java.io.PrintStream;
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public class popframe009 {
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final static int PASSED = 0;
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final static int FAILED = 2;
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final static int JCK_STATUS_BASE = 95;
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final static int FIBONACCI_INDEX = 32;
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static {
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try {
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System.loadLibrary("popframe009");
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} catch (UnsatisfiedLinkError ule) {
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System.err.println("Could not load popframe009 library");
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System.err.println("java.library.path:"
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+ System.getProperty("java.library.path"));
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throw ule;
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}
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}
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native static void getReady();
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native static int check(Thread thread);
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public static Object lock = new Object();
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public static int fibonacciNumber = -1;
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public static void main(String args[]) {
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args = nsk.share.jvmti.JVMTITest.commonInit(args);
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// produce JCK-like exit status.
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System.exit(run(args, System.out) + JCK_STATUS_BASE);
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}
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public static int run(String args[], PrintStream out) {
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TestThread thr = new TestThread();
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getReady();
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synchronized (lock) {
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thr.start();
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try {
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lock.wait();
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} catch (InterruptedException e) {
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throw new Error("Unexpected " + e);
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}
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}
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int res = check(thr);
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try {
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thr.join();
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} catch (InterruptedException e) {
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throw new Error("Unexpected " + e);
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}
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int expected = fibonacci(FIBONACCI_INDEX);
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if (expected != fibonacciNumber) {
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out.print("fibonacci(" + FIBONACCI_INDEX + "):");
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out.print(" expected = " + expected);
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out.println(", actual = " + fibonacciNumber);
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res = FAILED;
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}
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return res;
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}
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// dummy method to be breakpointed in agent
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static void checkPoint() {
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}
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static int fibonacci(int n) {
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if (n <= 2) {
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return 1;
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} else {
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return fibonacci(n-1) + fibonacci(n-2);
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}
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}
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static class TestThread extends Thread {
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public void run() {
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synchronized (lock) {
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lock.notify();
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}
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checkPoint();
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fibonacciNumber = fibonacci(FIBONACCI_INDEX);
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checkPoint();
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}
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}
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}
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