tor-browser

The Tor Browser
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bigint.js (716B)

      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: Conversion of BigInt values to booleans
      6 esid: sec-logical-not-operator-runtime-semantics-evaluation
      7 info: |
      8  UnaryExpression: ! UnaryExpression
      9 
     10  1. Let expr be the result of evaluating UnaryExpression.
     11  2. Let oldValue be ToBoolean(? GetValue(expr)).
     12  3. If oldValue is true, return false.
     13  4. Return true.
     14 
     15  ToBoolean ( argument )
     16 
     17  BigInt: Return false if argument is 0n; otherwise return true.
     18 features: [BigInt]
     19 ---*/
     20 
     21 assert.sameValue(!0n, true, "!0n");
     22 assert.sameValue(!1n, false, "!1n");
     23 assert.sameValue(!-1n, false, "!-1n");
     24 
     25 reportCompare(0, 0);