test cases for Array.reverse()

test.js

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

//CHECK#1
var x = [];
x[0] = false;
x[1] = Infinity;
x[3] = undefined;
x[4] = "NaN";
x[6] = "-1";

var reverse = x.reverse();
if (reverse !== x) {
  $ERROR('#1: x = []; x[0] = false; x[1] = Infinity; x[3] = undefined; x[4] = "NaN"; x[6] = "-1"; x.reverse() === x. Actual: ' + (reverse));
}

//CHECK#2
if (x[0] !== "-1") {
   $ERROR('#2: x = []; x[0] = false; x[1] = Infinity; x[3] = undefined; x[4] = "NaN"; x[6] = "-1"; x[0] === "-1". Actual: ' + (x[0]));
}

//CHECK#3
if (x[1] !== undefined) {
   $ERROR('#3: x = []; x[0] = false; x[1] = Infinity; x[3] = undefined; x[4] = "NaN"; x[6] = "-1"; x.reverse(); x[1] === undefined. Actual: ' + (x[1]));
}

//CHECK#5
if (x[3] !== undefined) {
   $ERROR('#4: x = []; x[0] = false; x[1] = Infinity; x[3] = undefined; x[4] = "NaN"; x[6] = "-1"; x.reverse(); x[3] === undefined. Actual: ' + (x[3]));
}

//CHECK#6
if (x[4] !== undefined) {
   $ERROR('#5: x = []; x[0] = false; x[1] = Infinity; x[3] = undefined; x[4] = "NaN"; x[6] = "-1"; x.reverse(); x.reverse(); x[4] === NaN. Actual: ' + (x[4]));
}

//CHECK#7
if (x[5] !== Infinity) {
   $ERROR('#6: x = []; x[0] = false; x[1] = Infinity; x[3] = undefined; x[4] = "NaN"; x[6] = "-1"; x.reverse(); x.reverse(); x[5] === undefined. Actual: ' + (x[5]));
}

//CHECK#8
if (x[6] !== false) {
   $ERROR('#7: x = []; x[0] = false; x[1] = Infinity; x[3] = undefined; x[4] = "NaN"; x[6] = "-1"; x[9] = "-1"; x.reverse(); x[6] === undefined. Actual: ' + (x[6]));
}

//CHECK#9
x = new Array(9,5,2,1,3);
var reverse = x.reverse();
if (reverse !== x) {
  $ERROR('#8: x = new Array(9,5,2,1,3); x.reverse() === x. Actual: ' + (reverse));
}

//CHECK#10
var test = [5,1,2,4,"string",6,8];
var expectedLength, result;
  expectedLength = test.length;
  result = test.reverse();
  assert.sameValue(result, test, "returns the same object");
  assert.sameValue(test.length, expectedLength, "length is preserved");