regress-177314.js   [plain text]

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*
* Date:    30 Oct 2002
* SUMMARY: '\400' should lex as a 2-digit octal escape + '0'
* See http://bugzilla.mozilla.org/show_bug.cgi?id=177314
*
* Bug was that Rhino interpreted '\400' as a 3-digit octal escape. As such
* it is invalid, since octal escapes may only run from '\0' to '\377'. But
* the lexer should interpret this as '\40' + '0' instead, and throw no error.
*
*/
//-----------------------------------------------------------------------------
var UBound = 0;
var bug = 177314;
var summary = "'\\" + "400' should lex as a 2-digit octal escape + '0'";
var status = '';
var statusitems = [];
var actual = '';
var actualvalues = [];
var expect= '';
var expectedvalues = [];


// the last valid octal escape is '\377', which should equal hex escape '\xFF'
status = inSection(1);
actual = '\377';
expect = '\xFF';
addThis();

// now exercise the lexer by going one higher in the last digit
status = inSection(2);
actual = '\378';
expect = '\37' + '8';
addThis();

// trickier: 400 is a valid octal number, but '\400' isn't a valid octal escape
status = inSection(3);
actual = '\400';
expect = '\40' + '0';
addThis();



//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------



function addThis()
{
  statusitems[UBound] = status;
  actualvalues[UBound] = actual;
  expectedvalues[UBound] = expect;
  UBound++;
}


function test()
{
  enterFunc('test');
  printBugNumber(bug);
  printStatus(summary);

  for (var i=0; i<UBound; i++)
  {
    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
  }

  exitFunc ('test');
}