tor-browser

The Tor Browser
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accessor-name-computed-err-to-prop-key.js (1444B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/accessor-names/computed-err-to-prop-key.case
      3 // - src/accessor-names/error/obj.template
      4 /*---
      5 description: Abrupt completion when coercing to property key value (Object initializer)
      6 esid: sec-object-initializer-runtime-semantics-evaluation
      7 flags: [generated]
      8 info: |
      9    ObjectLiteral :
     10      { PropertyDefinitionList }
     11      { PropertyDefinitionList , }
     12 
     13    1. Let obj be ObjectCreate(%ObjectPrototype%).
     14    2. Let status be the result of performing PropertyDefinitionEvaluation of
     15       PropertyDefinitionList with arguments obj and true.
     16 
     17    12.2.6.7 Runtime Semantics: Evaluation
     18 
     19    [...]
     20 
     21    ComputedPropertyName : [ AssignmentExpression ]
     22 
     23    1. Let exprValue be the result of evaluating AssignmentExpression.
     24    2. Let propName be ? GetValue(exprValue).
     25    3. Return ? ToPropertyKey(propName).
     26 
     27    7.1.14 ToPropertyKey
     28 
     29    1. Let key be ? ToPrimitive(argument, hint String).
     30 
     31    7.1.1 ToPrimitive
     32 
     33    [...]
     34    7. Return ? OrdinaryToPrimitive(input, hint).
     35 
     36    7.1.1.1 OrdinaryToPrimitive
     37 
     38    5. For each name in methodNames in List order, do
     39       [...]
     40    6. Throw a TypeError exception.
     41 ---*/
     42 var badKey = Object.create(null);
     43 
     44 
     45 assert.throws(TypeError, function() {
     46  ({
     47    get [badKey]() {}
     48  });
     49 }, '`get` accessor');
     50 
     51 assert.throws(TypeError, function() {
     52  ({
     53    set [badKey](_) {}
     54  });
     55 }, '`set` accessor');
     56 
     57 reportCompare(0, 0);