test262/test/language/statements/for-of/dstr-const-obj-ptrn-rest-getter.js

// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-rest-getter.case
// - src/dstr-binding/default/for-of-const.template
/*---
description: Getter is called when obj is being deconstructed to a rest Object (for-of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
es6id: 13.7.5.11
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
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.
          [...]
---*/
var count = 0;

var iterCount = 0;

for (const {...x} of [{ get v() { count++; return 2; } }]) {
  assert.sameValue(count, 1);

  verifyProperty(x, "v", {
    enumerable: true,
    writable: true,
    configurable: true,
    value: 2
  });

  iterCount += 1;
}

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