tor-browser

The Tor Browser
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bigint-conversion.js (937B)

      1 // Copyright (C) 2017 Robin Templeton. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 description: BigInt to Number conversion
      6 esid: pending
      7 features: [BigInt, exponentiation]
      8 ---*/
      9 
     10 assert.sameValue(Number(0n), 0);
     11 assert.sameValue(+(new Number(0n)), +(new Number(0)));
     12 
     13 assert.sameValue(Number(2n**53n), 9007199254740992);
     14 assert.sameValue(Number(2n**53n + 1n), 9007199254740992);
     15 assert.sameValue(Number(2n**53n + 2n), 9007199254740994);
     16 assert.sameValue(Number(2n**53n + 3n), 9007199254740996);
     17 assert.sameValue(Number(2n**53n + 4n), 9007199254740996);
     18 
     19 assert.sameValue(Number(-(2n**53n)), -9007199254740992);
     20 assert.sameValue(Number(-(2n**53n + 1n)), -9007199254740992);
     21 assert.sameValue(Number(-(2n**53n + 2n)), -9007199254740994);
     22 assert.sameValue(Number(-(2n**53n + 3n)), -9007199254740996);
     23 assert.sameValue(Number(-(2n**53n + 4n)), -9007199254740996);
     24 
     25 reportCompare(0, 0);