tests/mozilla/ecma_2/Statements/dowhile-002.js

   1 /**
   2  *  File Name:          dowhile-002
   3  *  ECMA Section:
   4  *  Description:        do...while statements
   5  *
   6  *  Verify that code after a labeled break is not executed.  Verify that
   7  *  a labeled break breaks you out of the whole labeled block, and not
   8  *  just the current iteration statement.
   9  *
  10  *  Author:             christine@netscape.com
  11  *  Date:               11 August 1998
  12  */
  13     var SECTION = "dowhile-002";
  14     var VERSION = "ECMA_2";
  15     var TITLE   = "do...while with a labeled continue statement";
  16
  17     startTest();
  18     writeHeaderToLog( SECTION + " "+ TITLE);
  19
  20     var tc = 0;
  21     var testcases = new Array();
  22
  23     LabeledContinue( 0, 1 );
  24     LabeledContinue( 1, 1 );
  25     LabeledContinue( -1, 1 );
  26     LabeledContinue( 5, 5 );
  27
  28     test();
  29
  30 // The labeled statment contains statements after the labeled break.
  31 // Verify that the statements after the break are not executed.
  32
  33 function LabeledContinue( limit, expect ) {
  34     i = 0;
  35     result1 = "pass";
  36     result2 = "pass";
  37
  38     woohoo: {
  39         do {
  40             i++;
  41             if ( ! (i < limit) ) {
  42                 break woohoo;
  43                 result1 = "fail: evaluated statement after a labeled break";
  44             }
  45         } while ( true );
  46
  47         result2 = "failed:  broke out of loop, but not out of labeled block";
  48     }
  49
  50     testcases[tc++] = new TestCase(
  51         SECTION,
  52         "do while ( " + i +" < " + limit +" )",
  53         expect,
  54         i );
  55
  56     testcases[tc++] = new TestCase(
  57         SECTION,
  58         "breaking out of a do... while loop",
  59         "pass",
  60         result1 );
  61
  62
  63     testcases[tc++] = new TestCase(
  64         SECTION,
  65         "breaking out of a labeled do...while loop",
  66         "pass",
  67         result2 );
  68 }