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41 lines
896 B
JavaScript
41 lines
896 B
JavaScript
// Copyright (C) 2017 Robin Templeton. 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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description: BigInt throws a RangeError if value is not a safe integer.
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esid: sec-bigint-constructor
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info: |
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BigInt ( value )
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...
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2. Let prim be ? ToPrimitive(value, hint Number).
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3. If Type(prim) is Number, return ? NumberToBigInt(prim).
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...
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NumberToBigInt ( number )
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...
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2. If IsSafeInteger(number) is false, throw a RangeError exception.
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...
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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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features: [BigInt]
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---*/
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var pos = Math.pow(2, 53);
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var neg = -pos;
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assert.throws(RangeError, function() {
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BigInt(pos);
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});
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assert.throws(RangeError, function() {
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BigInt(neg);
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});
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