line-number-maintenance-for-identifier-containing-escape-terminated-by-unicode-separator.js

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/*

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/

*/

//-----------------------------------------------------------------------------

var BUGNUMBER = 9999999;

var summary =

  "Properly maintain the line number when tokenizing identifiers that " +

  "contain Unicode escapes *and* are terminated by U+2028 LINE SEPARATOR " +

  "or U+2029 PARAGRAPH SEPARATOR";

print(BUGNUMBER + ": " + summary);

/**************

 * BEGIN TEST *

 **************/

var code = "var a\u0062c = [];\n"; // line 1

for (var i = 0; i < 100; i++)

  code += "a\\u0062c\u2028a\\u0062c\u2029"; // lines 2..2+200-1

code += "@"; // line 2+200

try

  eval(code);

  throw new Error("didn't throw");

catch (e)

  assertEq(e.lineNumber, 2 + 200);

/******************************************************************************/

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");