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25 lines
956 B
JavaScript
25 lines
956 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.isfinite
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description: >
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Return true for valid finite numbers
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info: |
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Number.isFinite ( number )
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1. If Type(number) is not Number, return false.
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2. If number is NaN, +∞, or -∞, return false.
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3. Otherwise, return true.
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---*/
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assert.sameValue(Number.isFinite(-10), true, "-10");
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assert.sameValue(Number.isFinite(-0), true, "-0");
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assert.sameValue(Number.isFinite(0), true, "0");
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assert.sameValue(Number.isFinite(10), true, "10");
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assert.sameValue(Number.isFinite(1e10), true, "1e10");
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assert.sameValue(Number.isFinite(10.10), true, "10.10");
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assert.sameValue(Number.isFinite(9007199254740991), true, "9007199254740991");
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assert.sameValue(Number.isFinite(-9007199254740991), true, "-9007199254740991");
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assert.sameValue(Number.isFinite(Number.MAX_VALUE), true, "Number.MAX_VALUE");
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