tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

bigint-non-primitive.js (1210B)

      1 // Copyright (C) 2017 Josh Wolfe. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 description: Bitwise NOT for BigInt object wrappers
      5 esid: sec-bitwise-not-operator-runtime-semantics-evaluation
      6 info: |
      7  Runtime Semantics: Evaluation
      8  UnaryExpression : ~ UnaryExpression
      9 
     10  1. Let expr be the result of evaluating UnaryExpression.
     11  2. Let oldValue be ? ToNumeric(? GetValue(expr)).
     12  3. Let T be Type(oldValue).
     13  4. Return ? T::bitwiseNOT(oldValue).
     14 
     15 features: [BigInt, Symbol.toPrimitive]
     16 ---*/
     17 assert.sameValue(~Object(1n), -2n, 'The value of ~Object(1n) is -2n');
     18 
     19 function err() {
     20  throw new Test262Error();
     21 }
     22 
     23 assert.sameValue(~{
     24  [Symbol.toPrimitive]: function() {
     25    return 1n;
     26  },
     27 
     28  valueOf: err,
     29  toString: err
     30 }, -2n, 'The value of ~{[Symbol.toPrimitive]: function() {return 1n;}, valueOf: err, toString: err} is -2n');
     31 
     32 assert.sameValue(~{
     33  valueOf: function() {
     34    return 1n;
     35  },
     36 
     37  toString: err
     38 }, -2n, 'The value of ~{valueOf: function() {return 1n;}, toString: err} is -2n');
     39 
     40 assert.sameValue(~{
     41  toString: function() {
     42    return 1n;
     43  }
     44 }, -2n, 'The value of ~{toString: function() {return 1n;}} is -2n');
     45 
     46 reportCompare(0, 0);