| /** |
| * @test/nodynamiccopyright/ |
| * @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 main LineNumberOnBraceTest |
| */ |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| import java.util.*; |
| |
| /********** LINE NUMBER SENSITIVE! *****************************************************************/ |
| class LineNumberOnBraceTarg { |
| |
| public final static int stopLine = 28; // THIS MUST BE THE LINE NUMBER OF THE // stopline LINE |
| public final static int stopLine2 = 34; // THIS MUST BE THE LINE NUMBER OF THE // stopline2 LINE |
| |
| |
| public static void main(String[] args){ |
| System.out.println("Howdy!"); |
| if (args.length == 0) { |
| System.out.println("No args to debuggee"); // stopLine |
| } else { |
| System.out.println("Some args to debuggee"); |
| } |
| if (args.length == 0) { |
| boolean b1 = false; |
| if (b1) { // stopLine2 |
| 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!"); // stopLine2 + 6 |
| } |
| |
| // 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.stopLine); |
| 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.stopLine + 4) { |
| failure("FAIL: Bug 4952629: Should be at line " + |
| (LineNumberOnBraceTarg.stopLine + 4) + |
| ", am at " + ln); |
| } else { |
| System.out.println("Passed test for 4952629"); |
| } |
| |
| // Test for bug 4870514 |
| System.out.println("Resuming to " + LineNumberOnBraceTarg.stopLine2); |
| resumeTo("LineNumberOnBraceTarg", LineNumberOnBraceTarg.stopLine2); |
| System.out.println("Stopped at " + LineNumberOnBraceTarg.stopLine2); |
| stepev = stepOverLine(mainThread); |
| ln = stepev.location().lineNumber(); |
| System.out.println("Debuggee is stopped at line " + ln); |
| if (ln == LineNumberOnBraceTarg.stopLine2 + 1) { |
| failure("FAIL: bug 4870514: Incorrectly stopped at " + |
| (LineNumberOnBraceTarg.stopLine2 + 1)); |
| } 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"); |
| } |
| } |
| } |