src/third_party/mozjs-45/js/src/tests/test262/ch09/9.4/S9.4_A3_T2.js

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

/**
 * Result of ToInteger(value) conversion is the result of computing
 * sign(ToNumber(value)) * floor(abs(ToNumber(value)))
 *
 * @path ch09/9.4/S9.4_A3_T2.js
 * @description For testing constructor Date(NaN, Infinity, Infinity, +0 and -0) is used
 */

// CHECK#1
var d1 = new Date(Number.NaN);
if (!isNaN(d1.valueOf())) {
  $ERROR('#1: var d1 = new Date(Number.NaN); d1.valueOf() === Number.NaN;');
}

// CHECK#2
var d2 = new Date(Infinity);
if (!isNaN(d2.valueOf())) {
  $ERROR('#2: var d2 = new Date(Infinity); d2.valueOf() === Number.NaN;');
}

// CHECK#3
var d3 = new Date(-Infinity);
if (!isNaN(d3.valueOf())) {
  $ERROR('#3: var d3 = new Date(-Infinity); d3.valueOf() === Number.NaN;');
}

// CHECK#4
var d4 = new Date(0);
if (d4.valueOf() !== 0) {
  $ERROR('#4: var d4 = new Date(0); d4.valueOf() === 0;');
}

// CHECK#5
var d5 = new Date(-0);
if (d5.valueOf() !== -0) {
  $ERROR('#5: var d5 = new Date(-0); d5.valueOf() === -0;');
}