1 /* 2 * Copyright (c) 2002, 2018, 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 * @test 26 * @bug 4629548 27 * @summary Deferred StepRequests are lost in multithreaded debuggee 28 * @comment converted from test/jdk/com/sun/jdi/DeferredStepTest.sh 29 * 30 * @library /test/lib 31 * @build DeferredStepTest 32 * @run main/othervm DeferredStepTest 33 */ 34 35 import jdk.test.lib.Asserts; 36 import jdk.test.lib.Utils; 37 import lib.jdb.JdbCommand; 38 import lib.jdb.JdbTest; 39 40 import java.util.HashMap; 41 import java.util.List; 42 import java.util.Map; 43 import java.util.regex.Matcher; 44 import java.util.regex.Pattern; 45 import java.util.stream.Collectors; 46 47 class DeferredStepTestTarg { 48 static class jj1 implements Runnable { 49 public void run() { 50 int count = 0; 51 52 for ( int ii = 0; ii < 10; ii++) { 53 int intInPotato04 = 666; 54 ++count; // @1 breakpoint 55 System.out.println("Thread: " + Thread.currentThread().getName()); 56 } 57 } 58 } 59 60 static class jj2 implements Runnable { 61 public void run() { 62 int count2 = 0; 63 64 for (int ii = 0; ii < 10; ii++) { 65 String StringInPotato05 = "I am"; 66 ++count2; // @2 breakpoint 67 System.out.println("Thread: " + Thread.currentThread().getName()); 68 } 69 } 70 } 71 72 public static void main(String argv[]) { 73 System.out.println("Version = " + System.getProperty("java.version")); 74 75 jj1 aRP = new jj1(); 76 jj2 asRP = new jj2(); 77 new Thread(aRP, "jj1").start(); 78 new Thread(asRP, "jj2").start(); 79 // new Thread(aRP, "jj3").start(); 80 // new Thread(asRP, "jj4").start(); 81 } 82 } 83 84 public class DeferredStepTest extends JdbTest { 85 public static void main(String argv[]) { 86 new DeferredStepTest().run(); 87 } 88 89 private DeferredStepTest() { 90 super(DeferredStepTestTarg.class.getName()); 91 } 92 93 private static class ThreadData { 94 // line of the last stop 95 int lastLine = -1; 96 // min line (-1 means "not known yet") 97 int minLine = -1; 98 // max line (-1 means "not known yet") 99 int maxLine = -1; 100 } 101 102 private Map<String, ThreadData> threadData = new HashMap<>(); 103 104 private Pattern threadRegexp = Pattern.compile("^(.+)\\[\\d+\\].*"); 105 private Pattern lineRegexp = Pattern.compile("^(\\d+)\\b.*", Pattern.MULTILINE); 106 107 // returns the 1st group of the pattern. 108 private String parse(Pattern p, String input) { 109 Matcher m = p.matcher(input); 110 if (!m.find()) { 111 throw new RuntimeException("Input '" + input + "' does not matches '" + p.pattern() + "'"); 112 } 113 return m.group(1); 114 } 115 116 private void next() { 117 List<String> reply = jdb.command(JdbCommand.next()); 118 /* each "next" produces something like ("Breakpoint hit" line only if the line has BP) 119 Step completed: 120 Breakpoint hit: "thread=jj2", DeferredStepTestTarg$jj2.run(), line=74 bci=12 121 74 ++count2; // @2 breakpoint 122 <empty line> 123 jj2[1] 124 */ 125 // detect thread from the last line 126 String lastLine = reply.get(reply.size() - 1); 127 String threadName = parse(threadRegexp, lastLine); 128 String wholeReply = reply.stream().collect(Collectors.joining(Utils.NEW_LINE)); 129 int lineNum = Integer.parseInt(parse(lineRegexp, wholeReply)); 130 131 System.out.println("got: thread=" + threadName + ", line=" + lineNum); 132 133 ThreadData data = threadData.get(threadName); 134 if (data == null) { 135 data = new ThreadData(); 136 threadData.put(threadName, data); 137 } 138 do { 139 if (data.lastLine < 0) { 140 // the 1st stop in the thread 141 break; 142 } 143 if (lineNum == data.lastLine + 1) { 144 // expected. 145 break; 146 } 147 if (lineNum < data.lastLine) { 148 // looks like step to the beginning of the cycle 149 if (data.minLine > 0) { 150 // minLine and maxLine are not set - verify 151 Asserts.assertEquals(lineNum, data.minLine, threadName + " - minLine"); 152 Asserts.assertEquals(data.lastLine, data.maxLine, threadName + " - maxLine"); 153 } else { 154 // set minLine/maxLine 155 data.minLine = lineNum; 156 data.maxLine = data.lastLine; 157 } 158 break; 159 } 160 // 161 throw new RuntimeException(threadName + " (line " + lineNum + ") - unexpected." 162 + " lastLine=" + data.lastLine + ", minLine=" + data.minLine + ", maxLine=" + data.maxLine); 163 } while (false); 164 data.lastLine = lineNum; 165 } 166 167 @Override 168 protected void runCases() { 169 setBreakpoints(jdb, DeferredStepTestTarg.jj1.class.getName(), 170 getTestSourcePath("DeferredStepTest.java"), 1); 171 setBreakpoints(jdb, DeferredStepTestTarg.jj2.class.getName(), 172 getTestSourcePath("DeferredStepTest.java"), 2); 173 174 // Run to breakpoint #1 175 jdb.command(JdbCommand.run()); 176 177 // 2 cycles with 4 lines each - maximum 80 stops 178 for (int i=0; i<50; i++) { 179 next(); 180 } 181 } 182 }