/*

 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 * 

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 * 

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 * 

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 * 

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * NASHORN-444 : regex returns different result on second invocation.

 *

 * @test

 * @run

 */

var formatRegExp = /%[sdj%]/g;

var format = function(f) {

  if (typeof f !== 'string') {

    var objects = [];

    for (var i = 0; i < arguments.length; i++) {

      objects.push(inspect(arguments[i]));

    }

    return objects.join(' ');

  }

  var i = 1;

  var args = arguments;

  var len = args.length;

  if (formatRegExp.lastIndex !== 0) throw "expected lastIndex === 0, actual: " + formatRegExp.lastIndex;

  var str = String(f).replace(formatRegExp, function(x) {

    if (x === '%%') return '%';

    if (i >= len) return x;

    switch (x) {

      case '%s': return String(args[i++]);

      case '%d': return Number(args[i++]);

      case '%j': return JSON.stringify(args[i++]);

      default:

        return x;

    }

  });

  print(i + ' '+len);

  if (formatRegExp.lastIndex !== 0) throw "expected lastIndex === 0, actual: " + formatRegExp.lastIndex;

  return str;

};

var obj = function() {

    return {

        a: 1,

        b: 2

    };

};

var o = obj();

print(format('obj %j', o));

print(format('obj %j', o));