rev 16922 : 8177507: line number sensitive tests for jdi should be unified
Reviewed-by: duke

   1 /*
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  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
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  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
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  23 
  24 //    THIS TEST IS LINE NUMBER SENSITIVE
  25 
  26 /**
  27  * @test
  28  * @bug 4952629 4870514
  29  * @summary REGRESSION: javac generates a spurious line number entry on } else {

  30  * @author jjh
  31  *
  32  * @run build VMConnection TargetListener TargetAdapter
  33  * @run compile -g LineNumberOnBraceTest.java
  34  * @run driver LineNumberOnBraceTest
  35  */
  36 import com.sun.jdi.*;
  37 import com.sun.jdi.event.*;
  38 import com.sun.jdi.request.*;
  39 
  40 import java.util.*;
  41 

  42 class LineNumberOnBraceTarg {
  43 
  44     public final static int STOP_LINE = 50;    // THIS MUST BE THE LINE NUMBER OF // STOP_LINE LINE
  45     public final static int STOP_LINE_2 = 56;  // THIS MUST BE THE LINE NUMBER OF // STOP_LINE_2 LINE

  46 
  47     public static void main(String[] args){
  48         System.out.println("Howdy!");
  49         if (args.length == 0) {
  50             System.out.println("No args to debuggee");             // STOP_LINE
  51         } else {
  52             System.out.println("Some args to debuggee");
  53         }
  54         if (args.length == 0) {                                    // STOP_LINE + 4
  55             boolean b1 = false;
  56             if (b1) {                                              // STOP_LINE_2
  57                 System.out.println("In 2nd else");                 // bug 4870514 is that we stop here.
  58             }
  59         } else {
  60             System.out.println("In 2nd else");
  61         }
  62         System.out.println("Goodbye from LineNumberOnBraceTarg!");
  63     }
  64 
  65     // This isn't part of the test; it is just here
  66     // so one can see what line numbers are generated for a finally.
  67     public void exampleOfThrow() {
  68         try {
  69             throw new Exception();
  70         } catch (Exception e) {
  71             System.out.println("caught exception");
  72         } finally {
  73             System.out.println("finally");
  74         }
  75     }
  76 
  77 }
  78 
  79     /********** test program **********/
  80 
  81 public class LineNumberOnBraceTest extends TestScaffold {
  82     ReferenceType targetClass;
  83     ThreadReference mainThread;
  84 
  85     LineNumberOnBraceTest (String args[]) {
  86         super(args);
  87     }
  88 
  89     public static void main(String[] args)      throws Exception {
  90         new LineNumberOnBraceTest(args).startTests();
  91     }
  92     /********** test core **********/
  93 
  94     protected void runTests() throws Exception {
  95         /*
  96          * Get to the top of main()
  97          * to determine targetClass and mainThread
  98          */
  99         BreakpointEvent bpe = startToMain("LineNumberOnBraceTarg");
 100         targetClass = bpe.location().declaringType();
 101         mainThread = bpe.thread();
 102 
 103         resumeTo("LineNumberOnBraceTarg", LineNumberOnBraceTarg.STOP_LINE);
 104         StepEvent stepev = stepOverLine(mainThread);       // step to 2nd if (args.length
 105 
 106         // Bug 4952629 is that javac outputs a line number
 107         // on the goto around the else which causes us to
 108         // be stopped at that goto instead of the println("Goodbye ...")
 109 
 110         int ln = stepev.location().lineNumber();
 111         System.out.println("Debuggee is stopped at line " + ln);
 112         if (ln != LineNumberOnBraceTarg.STOP_LINE + 4) {
 113             failure("FAIL: Bug 4952629: Should be at line " +
 114                     (LineNumberOnBraceTarg.STOP_LINE + 4) +
 115                     ", am at " + ln);
 116         } else {
 117             System.out.println("Passed test for 4952629");
 118         }
 119 
 120         // Test for bug 4870514
 121         System.out.println("Resuming to " + LineNumberOnBraceTarg.STOP_LINE_2);
 122         resumeTo("LineNumberOnBraceTarg", LineNumberOnBraceTarg.STOP_LINE_2);
 123         System.out.println("Stopped at " + LineNumberOnBraceTarg.STOP_LINE_2);
 124         stepev = stepOverLine(mainThread);
 125         ln = stepev.location().lineNumber();
 126         System.out.println("Debuggee is stopped at line " + ln);
 127         if (ln <= LineNumberOnBraceTarg.STOP_LINE_2 + 1) {
 128             failure("FAIL: bug 4870514: Incorrectly stopped at " + ln);

 129         } else {
 130             System.out.println("Passed test for 4870514");
 131         }
 132 
 133 
 134         /*
 135          * resume the target listening for events
 136          */
 137         listenUntilVMDisconnect();
 138 
 139         /*
 140          * deal with results of test
 141          * if anything has called failure("foo") testFailed will be true
 142          */
 143         if (!testFailed) {
 144             println("LineNumberOnBraceTest: passed");
 145         } else {
 146             throw new Exception("LineNumberOnBraceTest: failed");
 147         }
 148     }
 149 }
--- EOF ---