JSTests/test262/test/built-ins/Array/prototype/sort/S15.4.4.11_A2.1_T3.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    If ToString([[Get]] ToString(j)) < ToString([[Get]] ToString(k)), return -1.
    If ToString([[Get]] ToString(j)) > ToString([[Get]] ToString(k)), return 1;
    return -1
esid: sec-array.prototype.sort
description: Checking ToString operator
---*/

var obj = {
  valueOf: function() {
    return 1
  },
  toString: function() {
    return -2
  }
};
var alphabetR = [undefined, 2, 1, "X", -1, "a", true, obj, NaN, Infinity];
var alphabet = [-1, obj, 1, 2, Infinity, NaN, "X", "a", true, undefined];

//CHECK#1
alphabetR.sort();
var result = true;
for (var i = 0; i < 10; i++) {
  if (!(isNaN(alphabetR[i]) && isNaN(alphabet[i]))) {
    if (alphabetR[i] !== alphabet[i]) result = false;
  }
}

if (result !== true) {
  $ERROR('#1: Check ToString operator');
}