| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding-for-await/ary-ptrn-elision-iter-close.case |
| // - src/dstr-binding-for-await/iter-close/for-await-of-async-func-var.template |
| /*--- |
| description: The iterator is properly consumed by the destructuring pattern (for-await-of statement) |
| esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation |
| features: [generators, destructuring-binding, async-iteration] |
| flags: [generated, async] |
| info: | |
| IterationStatement : |
| for await ( var ForBinding of AssignmentExpression ) Statement |
| |
| [...] |
| 2. Return ? ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult, |
| varBinding, 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 |
| 1. Assert: lhs is a ForBinding. |
| 2. Let status be the result of performing BindingInitialization |
| for lhs passing nextValue and undefined as the arguments. |
| [...] |
| ---*/ |
| const iter = (function* () { |
| yield; |
| yield; |
| })(); |
| |
| |
| async function fn() { |
| for await (var [,] of [iter]) { |
| return; |
| } |
| } |
| |
| fn() |
| .then(() => { |
| assert.sameValue(iter.next().done, true, 'iteration occurred as expected'); |
| }) |
| .then($DONE, $DONE); |