OSD600 - Lab 4

PossibleUpdates.js

/* FROM FILE - S15.4.4.8_A1_T1.js -------------------------------- */
// CHECK#1
var x = [];
var reverse = x.reverse();
if (reverse !== x) {
  $ERROR('#1: x = []; x.reverse() === x. Actual: ' + (reverse));
}

// MY VERSION
var x = [];
assert.sameValue(x, x.reverse(), '#1: x = []; x.reverse() === x. Actual: ' + (reverse));


/* FROM FILE - S15.4.4.8_A1_T2.js -------------------------------- */
//CHECK#1
var x = [];
x[0] = true;
x[2] = Infinity;
x[4] = undefined;
x[5] = undefined;
x[8] = "NaN";
x[9] = "-1";

var reverse = x.reverse();
if (reverse !== x) {
  $ERROR('#1: x = []; x[0] = true; x[2] = Infinity; x[4] = undefined; x[5] = undefined; x[8] = "NaN"; x[9] = "-1"; x.reverse() === x. Actual: ' + (reverse));
}

// MY VERSION
let x    = [true, Infinity, undefined, undefined, "NaN", "-1"];
let xrev = ["-1", "NaN", undefined, undefined, Infinity, true];
assert.notSameValue(xrev, x.reverse(), "#1: x = []; x[0] = true; x[2] = Infinity; x[4] = undefined; x[5] = undefined; x[8] = "NaN"; x[9] = "-1"; x.reverse() === x. Actual: " + (reverse));