// |reftest| async // 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-const.template /*--- description: The iterator is properly consumed by the destructuring pattern (for-await-of statement in an async function) esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation features: [generators, 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. [...] ---*/ const iter = (function* () { yield; yield; })(); async function fn() { for await (const [,] of [iter]) { return; } } fn() .then(() => { assert.sameValue(iter.next().done, true, 'iteration occurred as expected'); }) .then($DONE, $DONE);