File: not-safe-integer.js

package info (click to toggle)
qtdeclarative-opensource-src 5.15.8%2Bdfsg-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 259,256 kB
  • sloc: javascript: 512,396; cpp: 495,775; xml: 8,892; python: 3,304; ansic: 2,764; sh: 206; makefile: 62; php: 27
file content (20 lines) | stat: -rw-r--r-- 636 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
// Copyright (c) 2016 The V8 Project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es6id: 20.1.2.5
esid: sec-number.issafeinteger
description: >
  Return false if argument is not a safe integer
info: |
  Number.isSafeInteger ( number )

  [...]
  3. Let integer be ToInteger(number).
  4. If integer is not equal to number, return false.
  5. If abs(integer) ≤ 2**53-1, return true.
  6. Otherwise, return false.
---*/

assert.sameValue(Number.isSafeInteger(9007199254740992), false, "2**53");
assert.sameValue(Number.isSafeInteger(-9007199254740992), false, "-(2**53)");