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50 lines
2.0 KiB
JavaScript
50 lines
2.0 KiB
JavaScript
// Copyright (C) 2017 Igalia, S.L. 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-bigint-parseint-string-radix
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description: 01234567890 parsed in different radices
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info: >
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BigInt.parseInt ( string, radix )
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The parseInt function produces a BigInt value dictated by
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interpretation of the contents of the string argument according to
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the specified radix.
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The algorithm is the same as 18.2.5 but with the following edits:
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* For all cases which result in returning NaN, throw a SyntaxError
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exception.
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* For all cases which result in returning -0, return 0n.
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* Replace the second to last step, which casts mathInt to a Number,
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with casting mathInt to a BigInt.
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18.2.5 parseInt ( string, radix )
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The parseInt function produces an integer value dictated by
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interpretation of the contents of the string argument according to the
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specified radix. Leading white space in string is ignored. If radix is
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undefined or 0, it is assumed to be 10 except when the number begins
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with the code unit pairs 0x or 0X, in which case a radix of 16 is
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assumed. If radix is 16, the number may also optionally begin with the
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code unit pairs 0x or 0X.
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[...]
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NOTE: parseInt may interpret only a leading portion of string as an
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integer value; it ignores any code units that cannot be interpreted as
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part of the notation of an integer, and no indication is given that
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any such code units were ignored.
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features: [BigInt]
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---*/
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assert.sameValue(BigInt.parseInt("01234567890", 2), 1n);
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assert.sameValue(BigInt.parseInt("01234567890", 3), 5n);
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assert.sameValue(BigInt.parseInt("01234567890", 4), 27n);
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assert.sameValue(BigInt.parseInt("01234567890", 5), 194n);
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assert.sameValue(BigInt.parseInt("01234567890", 6), 1865n);
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assert.sameValue(BigInt.parseInt("01234567890", 7), 22875n);
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assert.sameValue(BigInt.parseInt("01234567890", 8), 342391n);
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assert.sameValue(BigInt.parseInt("01234567890", 9), 6053444n);
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assert.sameValue(BigInt.parseInt("01234567890", 10), 1234567890n);
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