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/*
* Copyright (c) 2007, 2017, 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.
*/
// THIS TEST IS LINE NUMBER SENSITIVE
/**
* @test
* @bug 4952629 4870514
* @summary REGRESSION: javac generates a spurious line number entry on } else {
* @author jjh
*
* @run build VMConnection TargetListener TargetAdapter
* @run compile -g LineNumberOnBraceTest.java
* @run driver LineNumberOnBraceTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
class LineNumberOnBraceTarg {
public final static int STOP_LINE = 50; // THIS MUST BE THE LINE NUMBER OF // STOP_LINE LINE
public final static int STOP_LINE_2 = 56; // THIS MUST BE THE LINE NUMBER OF // STOP_LINE_2 LINE
public static void main(String[] args){
System.out.println("Howdy!");
if (args.length == 0) {
System.out.println("No args to debuggee"); // STOP_LINE
} else {
System.out.println("Some args to debuggee");
}
if (args.length == 0) { // STOP_LINE + 4
boolean b1 = false;
if (b1) { // STOP_LINE_2
System.out.println("In 2nd else"); // bug 4870514 is that we stop here.
}
} else {
System.out.println("In 2nd else");
}
System.out.println("Goodbye from LineNumberOnBraceTarg!");
}
// This isn't part of the test; it is just here
// so one can see what line numbers are generated for a finally.
public void exampleOfThrow() {
try {
throw new Exception();
} catch (Exception e) {
System.out.println("caught exception");
} finally {
System.out.println("finally");
}
}
}
/********** test program **********/
public class LineNumberOnBraceTest extends TestScaffold {
ReferenceType targetClass;
ThreadReference mainThread;
LineNumberOnBraceTest (String args[]) {
super(args);
}
public static void main(String[] args) throws Exception {
new LineNumberOnBraceTest(args).startTests();
}
/********** test core **********/
protected void runTests() throws Exception {
/*
* Get to the top of main()
* to determine targetClass and mainThread
*/
BreakpointEvent bpe = startToMain("LineNumberOnBraceTarg");
targetClass = bpe.location().declaringType();
mainThread = bpe.thread();
resumeTo("LineNumberOnBraceTarg", LineNumberOnBraceTarg.STOP_LINE);
StepEvent stepev = stepOverLine(mainThread); // step to 2nd if (args.length
// Bug 4952629 is that javac outputs a line number
// on the goto around the else which causes us to
// be stopped at that goto instead of the println("Goodbye ...")
int ln = stepev.location().lineNumber();
System.out.println("Debuggee is stopped at line " + ln);
if (ln != LineNumberOnBraceTarg.STOP_LINE + 4) {
failure("FAIL: Bug 4952629: Should be at line " +
(LineNumberOnBraceTarg.STOP_LINE + 4) +
", am at " + ln);
} else {
System.out.println("Passed test for 4952629");
}
// Test for bug 4870514
System.out.println("Resuming to " + LineNumberOnBraceTarg.STOP_LINE_2);
resumeTo("LineNumberOnBraceTarg", LineNumberOnBraceTarg.STOP_LINE_2);
System.out.println("Stopped at " + LineNumberOnBraceTarg.STOP_LINE_2);
stepev = stepOverLine(mainThread);
ln = stepev.location().lineNumber();
System.out.println("Debuggee is stopped at line " + ln);
if (ln <= LineNumberOnBraceTarg.STOP_LINE_2 + 1) {
failure("FAIL: bug 4870514: Incorrectly stopped at " + ln);
} else {
System.out.println("Passed test for 4870514");
}
/*
* resume the target listening for events
*/
listenUntilVMDisconnect();
/*
* deal with results of test
* if anything has called failure("foo") testFailed will be true
*/
if (!testFailed) {
println("LineNumberOnBraceTest: passed");
} else {
throw new Exception("LineNumberOnBraceTest: failed");
}
}
}
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