tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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tonumber-operations.js (1011B)

      1 // Copyright (C) 2016 The V8 Project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-isnan-number
      6 description: >
      7  number argument is converted by ToNumber
      8 info: |
      9  isNaN (number)
     10 
     11  1. Let num be ? ToNumber(number).
     12  2. If num is NaN, return true.
     13  3. Otherwise, return false.
     14 ---*/
     15 
     16 assert.sameValue(isNaN("0"), false, "'0'");
     17 assert.sameValue(isNaN(""), false, "the empty string");
     18 assert.sameValue(isNaN("Infinity"), false, "'Infinity'");
     19 assert.sameValue(isNaN("this is not a number"), true, "string");
     20 assert.sameValue(isNaN(true), false, "true");
     21 assert.sameValue(isNaN(false), false, "false");
     22 assert.sameValue(isNaN([1]), false, "Object [1]");
     23 assert.sameValue(isNaN([Infinity]), false, "Object [Infinity]");
     24 assert.sameValue(isNaN([NaN]), true, "Object [NaN]");
     25 assert.sameValue(isNaN(null), false, "null");
     26 assert.sameValue(isNaN(undefined), true, "undefined");
     27 assert.sameValue(isNaN(), true, "no arg");
     28 
     29 reportCompare(0, 0);