tor-browser

The Tor Browser
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bigint-non-primitive.js (2109B)

      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 AND for BigInt non-primitive values
      5 esid: sec-binary-bitwise-operators-runtime-semantics-evaluation
      6 info: |
      7  5. Let lnum be ? ToNumeric(lval).
      8  6. Let rnum be ? ToNumeric(rval).
      9  ...
     10  8. Let T be Type(lnum).
     11  9. If @ is &, return T::bitwiseAND(lnum, rnum).
     12 
     13 features: [BigInt]
     14 ---*/
     15 assert.sameValue(
     16  Object(0b101n) & 0b011n,
     17  0b001n,
     18  'The result of (Object(0b101n) & 0b011n) is 0b001n'
     19 );
     20 
     21 assert.sameValue(
     22  0b011n & Object(0b101n),
     23  0b001n,
     24  'The result of (0b011n & Object(0b101n)) is 0b001n'
     25 );
     26 
     27 assert.sameValue(
     28  Object(0b101n) & Object(0b011n),
     29  0b001n,
     30  'The result of (Object(0b101n) & Object(0b011n)) is 0b001n'
     31 );
     32 
     33 function err() {
     34  throw new Test262Error();
     35 }
     36 
     37 assert.sameValue({
     38  [Symbol.toPrimitive]: function() {
     39    return 0b101n;
     40  },
     41 
     42  valueOf: err,
     43  toString: err
     44 } & 0b011n, 0b001n, 'The result of (({[Symbol.toPrimitive]: function() {return 0b101n;}, valueOf: err, toString: err}) & 0b011n) is 0b001n');
     45 
     46 assert.sameValue(0b011n & {
     47  [Symbol.toPrimitive]: function() {
     48    return 0b101n;
     49  },
     50 
     51  valueOf: err,
     52  toString: err
     53 }, 0b001n, 'The result of (0b011n & {[Symbol.toPrimitive]: function() {return 0b101n;}, valueOf: err, toString: err}) is 0b001n');
     54 
     55 assert.sameValue({
     56  valueOf: function() {
     57    return 0b101n;
     58  },
     59 
     60  toString: err
     61 } & 0b011n, 0b001n, 'The result of (({valueOf: function() {return 0b101n;}, toString: err}) & 0b011n) is 0b001n');
     62 
     63 assert.sameValue(0b011n & {
     64  valueOf: function() {
     65    return 0b101n;
     66  },
     67 
     68  toString: err
     69 }, 0b001n, 'The result of (0b011n & {valueOf: function() {return 0b101n;}, toString: err}) is 0b001n');
     70 
     71 assert.sameValue({
     72  toString: function() {
     73    return 0b101n;
     74  }
     75 } & 0b011n, 0b001n, 'The result of (({toString: function() {return 0b101n;}}) & 0b011n) is 0b001n');
     76 
     77 assert.sameValue(0b011n & {
     78  toString: function() {
     79    return 0b101n;
     80  }
     81 }, 0b001n, 'The result of (0b011n & {toString: function() {return 0b101n;}}) is 0b001n');
     82 
     83 reportCompare(0, 0);