JSTests/test262/test/built-ins/Array/prototype/toString/S15.4.4.2_A1_T2.js

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

/*---
esid: sec-array.prototype.tostring
info: |
    The result of calling this function is the same as if
    the built-in join method were invoked for this object with no argument
es5id: 15.4.4.2_A1_T2
description: >
    The elements of the array are converted to strings, and these
    strings are  then concatenated, separated by occurrences of the
    separator. If no separator is provided,  a single comma is used as
    the separator
---*/

//CHECK#1
var x = new Array(0, 1, 2, 3);
if (x.toString() !== x.join()) {
  $ERROR('#1.1: x = new Array(0,1,2,3); x.toString() === x.join(). Actual: ' + (x.toString()));
} else {
  if (x.toString() !== "0,1,2,3") {
    $ERROR('#1.2: x = new Array(0,1,2,3); x.toString() === "0,1,2,3". Actual: ' + (x.toString()));
  }
}

//CHECK#2
x = [];
x[0] = 0;
x[3] = 3;
if (x.toString() !== x.join()) {
  $ERROR('#2.1: x = []; x[0] = 0; x[3] = 3; x.toString() === x.join(). Actual: ' + (x.toString()));
} else {
  if (x.toString() !== "0,,,3") {
    $ERROR('#2.2: x = []; x[0] = 0; x[3] = 3; x.toString() === "0,,,3". Actual: ' + (x.toString()));
  }
}

//CHECK#3
x = Array(undefined, 1, null, 3);
if (x.toString() !== x.join()) {
  $ERROR('#3.1: x = Array(undefined,1,null,3); x.toString() === x.join(). Actual: ' + (x.toString()));
} else {
  if (x.toString() !== ",1,,3") {
    $ERROR('#3.2: x = Array(undefined,1,null,3); x.toString() === ",1,,3". Actual: ' + (x.toString()));
  }
}

//CHECK#4
x = [];
x[0] = 0;
if (x.toString() !== x.join()) {
  $ERROR('#4.1: x = []; x[0] = 0; x.toString() === x.join(). Actual: ' + (x.toString()));
} else {
  if (x.toString() !== "0") {
    $ERROR('#4.2: x = []; x[0] = 0; x.toString() === "0". Actual: ' + (x.toString()));
  }
}