mirror of https://github.com/tc39/test262.git
20 lines
620 B
JavaScript
20 lines
620 B
JavaScript
// Copyright (c) 2016 The V8 Project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-number.issafeinteger
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description: >
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Return false if argument is not a safe integer
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info: |
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Number.isSafeInteger ( number )
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[...]
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3. Let integer be ToInteger(number).
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4. If integer is not equal to number, return false.
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5. If abs(integer) ≤ 2**53-1, return true.
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6. Otherwise, return false.
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---*/
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assert.sameValue(Number.isSafeInteger(9007199254740992), false, "2**53");
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assert.sameValue(Number.isSafeInteger(-9007199254740992), false, "-(2**53)");
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