| // Copyright (c) 2016 The V8 Project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| 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)"); |
