mirror of https://github.com/tc39/test262.git
43 lines
879 B
JavaScript
43 lines
879 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 NaN
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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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2. If number is NaN, +∞, or -∞, return false.
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features: [BigInt]
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---*/
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assert.throws(RangeError, function() {
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BigInt(NaN);
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});
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var calls = 0;
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var obj = {
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valueOf: function() {
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calls++;
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return NaN;
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}
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}
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assert.throws(RangeError, function() {
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BigInt(obj);
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});
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assert.sameValue(calls, 1, "it fails after fetching the primitive value");
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