JSTests/test262/test/language/statements/for-await-of/async-func-dstr-const-ary-ptrn-elem-id-iter-val-err.js

// This file was procedurally generated from the following sources:
// - src/dstr-binding-for-await/ary-ptrn-elem-id-iter-val-err.case
// - src/dstr-binding-for-await/error/for-await-of-async-func-const.template
/*---
description: Error forwarding when IteratorValue returns an abrupt completion (for-await-of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
features: [Symbol.iterator, destructuring-binding, async-iteration]
flags: [generated, async]
info: |
    IterationStatement :
        for await ( ForDeclaration of AssignmentExpression ) Statement

    [...]
    2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
      lexicalBinding, labelSet, async).

    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation

    [...]
    4. Let destructuring be IsDestructuring of lhs.
    [...]
    6. Repeat
       [...]
       j. If destructuring is false, then
          [...]
       k. 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

    SingleNameBinding : BindingIdentifier Initializer_opt

    [...]
    3. If iteratorRecord.[[done]] is false, then
       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
       c. ReturnIfAbrupt(next).
       d. If next is false, set iteratorRecord.[[done]] to true.
       e. Else,
          i. Let v be IteratorValue(next).
          ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
              true.
          iii. ReturnIfAbrupt(v).

---*/
var poisonedValue = Object.defineProperty({}, 'value', {
  get: function() {
    throw new Test262Error();
  }
});
var g = {};
g[Symbol.iterator] = function() {
  return {
    next() {
      return poisonedValue;
    }
  };
};

async function fn() {
  for await (const [x] of [g]) {
    return;
  }
}

fn()
  .then(_ => {
    throw new Test262Error("Expected async function to reject, but resolved.");
  }, ({ constructor }) => {
    assert.sameValue(constructor, Test262Error);
    
  })
  .then($DONE, $DONE);