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/*
* Copyright (c) 2002, 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.
*/
/*
* @test
* @bug 4629548
* @summary Deferred StepRequests are lost in multithreaded debuggee
* @comment converted from test/jdk/com/sun/jdi/DeferredStepTest.sh
*
* @library /test/lib
* @build DeferredStepTest
* @run main/othervm DeferredStepTest
*/
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
import lib.jdb.JdbCommand;
import lib.jdb.JdbTest;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
class DeferredStepTestTarg {
static class jj1 implements Runnable {
public void run() {
int count = 0;
for (int ii = 0; ii < 15; ii++) {
int intInPotato04 = 666;
++count; // @1 breakpoint
System.out.println("Thread: " + Thread.currentThread().getName());
}
}
}
static class jj2 implements Runnable {
public void run() {
int count2 = 0;
for (int ii = 0; ii < 15; ii++) {
String StringInPotato05 = "I am";
++count2; // @2 breakpoint
System.out.println("Thread: " + Thread.currentThread().getName());
}
}
}
public static void main(String argv[]) {
System.out.println("Version = " + System.getProperty("java.version"));
jj1 obj1 = new jj1();
jj2 obj2 = new jj2();
new Thread(obj1, "jj1").start();
new Thread(obj2, "jj2").start();
}
}
public class DeferredStepTest extends JdbTest {
public static void main(String argv[]) {
new DeferredStepTest().run();
}
private DeferredStepTest() {
super(DeferredStepTestTarg.class.getName());
}
private static class ThreadData {
int lastLine = -1; // line of the last stop
int minLine = -1; // min line (-1 means "not known yet")
int maxLine = -1; // max line (-1 means "not known yet")
}
private Map<String, ThreadData> threadData = new HashMap<>();
private Pattern threadRegexp = Pattern.compile("^(.+)\\[\\d+\\].*");
private Pattern lineRegexp = Pattern.compile("^(\\d+)\\b.*", Pattern.MULTILINE);
// returns the 1st group of the pattern.
private String parse(Pattern p, String input) {
Matcher m = p.matcher(input);
if (!m.find()) {
throw new RuntimeException("Input '" + input + "' does not matches '" + p.pattern() + "'");
}
return m.group(1);
}
private void next() {
List<String> reply = jdb.command(JdbCommand.next());
/*
* Each "next" produces something like ("Breakpoint hit" line only if the line has BP)
* Step completed:
* Breakpoint hit: "thread=jj2", DeferredStepTestTarg$jj2.run(), line=74 bci=12
* 74 ++count2; // @ 2 breakpoint
* <empty line>
* jj2[1]
*/
// detect thread from the last line
String lastLine = reply.get(reply.size() - 1);
String threadName = parse(threadRegexp, lastLine);
String wholeReply = reply.stream().collect(Collectors.joining(Utils.NEW_LINE));
int lineNum = Integer.parseInt(parse(lineRegexp, wholeReply));
System.out.println("got: thread=" + threadName + ", line=" + lineNum);
ThreadData data = threadData.get(threadName);
if (data == null) {
data = new ThreadData();
threadData.put(threadName, data);
}
processThreadData(threadName, lineNum, data);
}
private void processThreadData(String threadName, int lineNum, ThreadData data) {
int lastLine = data.lastLine;
data.lastLine = lineNum;
if (lastLine < 0) {
// the 1st stop in the thread
return;
}
if (lineNum == lastLine + 1) {
// expected.
return;
}
if (lineNum < lastLine) {
// looks like step to the beginning of the cycle
if (data.minLine > 0) {
// minLine and maxLine are not set - verify
Asserts.assertEquals(lineNum, data.minLine, threadName + " - minLine");
Asserts.assertEquals(lastLine, data.maxLine, threadName + " - maxLine");
} else {
// set minLine/maxLine
data.minLine = lineNum;
data.maxLine = lastLine;
}
return;
}
throw new RuntimeException(threadName + " (line " + lineNum + ") - unexpected."
+ " lastLine=" + lastLine + ", minLine=" + data.minLine + ", maxLine=" + data.maxLine);
}
@Override
protected void runCases() {
setBreakpoints(jdb, DeferredStepTestTarg.jj1.class.getName(),
getTestSourcePath("DeferredStepTest.java"), 1);
setBreakpoints(jdb, DeferredStepTestTarg.jj2.class.getName(),
getTestSourcePath("DeferredStepTest.java"), 2);
// Run to breakpoint #1
jdb.command(JdbCommand.run());
// 2 cycles (15 iterations) with 4 lines each, 1st break at 3rd line - 58 stops
for (int i = 0; i < 50; i++) {
next();
}
}
}
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