File: dstr-let-ary-ptrn-rest-ary-empty.js

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// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
// - src/dstr-binding/default/for-of-let.template
/*---
description: Rest element containing an "empty" array pattern (for-of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
es6id: 13.7.5.11
features: [generators, destructuring-binding]
flags: [generated]
info: |
    IterationStatement :
        for ( ForDeclaration of AssignmentExpression ) Statement

    [...]
    3. Return ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
       lexicalBinding, labelSet).

    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation

    [...]
    3. Let destructuring be IsDestructuring of lhs.
    [...]
    5. Repeat
       [...]
       h. If destructuring is false, then
          [...]
       i. Else
          i. If lhsKind is assignment, then
             [...]
          ii. Else if lhsKind is varBinding, then
              [...]
          iii. Else,
               1. Assert: lhsKind is lexicalBinding.
               2. Assert: lhs is a ForDeclaration.
               3. Let status be the result of performing BindingInitialization
                  for lhs passing nextValue and iterationEnv as arguments.
          [...]

    13.3.3.6 Runtime Semantics: IteratorBindingInitialization

    BindingRestElement : ... BindingPattern

    1. Let A be ArrayCreate(0).
    [...]
    3. Repeat
       [...]
       b. If iteratorRecord.[[done]] is true, then
          i. Return the result of performing BindingInitialization of
             BindingPattern with A and environment as the arguments.
       [...]

    13.3.3.6 Runtime Semantics: IteratorBindingInitialization

    ArrayBindingPattern : [ ]

    1. Return NormalCompletion(empty).

---*/
var iterations = 0;
var iter = function*() {
  iterations += 1;
}();

var iterCount = 0;

for (let [...[]] of [iter]) {
  assert.sameValue(iterations, 1);

  iterCount += 1;
}

assert.sameValue(iterCount, 1, 'Iteration occurred as expected');