tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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var-obj-ptrn-prop-id-get-value-err.js (1707B)


      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/obj-ptrn-prop-id-get-value-err.case
      3 // - src/dstr-binding/error/for-of-var.template
      4 /*---
      5 description: Error thrown when accessing the corresponding property of the value object (for-of statement)
      6 esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
      7 features: [destructuring-binding]
      8 flags: [generated]
      9 info: |
     10    IterationStatement :
     11        for ( var ForBinding of AssignmentExpression ) Statement
     12 
     13    [...]
     14    3. Return ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult,
     15       varBinding, labelSet).
     16 
     17    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
     18 
     19    [...]
     20    3. Let destructuring be IsDestructuring of lhs.
     21    [...]
     22    5. Repeat
     23       [...]
     24       h. If destructuring is false, then
     25          [...]
     26       i. Else
     27          i. If lhsKind is assignment, then
     28             [...]
     29          ii. Else if lhsKind is varBinding, then
     30              1. Assert: lhs is a ForBinding.
     31              2. Let status be the result of performing BindingInitialization
     32                 for lhs passing nextValue and undefined as the arguments.
     33          [...]
     34 
     35    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
     36 
     37    BindingElement : BindingPattern Initializeropt
     38 
     39    1. Let v be GetV(value, propertyName).
     40    2. ReturnIfAbrupt(v).
     41 ---*/
     42 var initEvalCount = 0;
     43 var poisonedProperty = Object.defineProperty({}, 'poisoned', {
     44  get: function() {
     45    throw new Test262Error();
     46  }
     47 });
     48 
     49 assert.throws(Test262Error, function() {
     50  for (var { poisoned: x = ++initEvalCount } of [poisonedProperty]) {
     51    return;
     52  }
     53 });
     54 
     55 assert.sameValue(initEvalCount, 0);
     56 
     57 reportCompare(0, 0);