// |reftest| async // This file was procedurally generated from the following sources: // - src/dstr-binding-for-await/obj-ptrn-rest-val-obj.case // - src/dstr-binding-for-await/default/for-await-of-async-gen-var-async.template /*--- description: Rest object contains just unextracted data (for-await-of statement) esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation features: [object-rest, destructuring-binding, async-iteration] flags: [generated, async] includes: [propertyHelper.js] 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. [...] ---*/ var iterCount = 0; var asyncIter = (async function*() { yield* [{x: 1, y: 2, a: 5, b: 3}]; })(); async function *fn() { for await (var {a, b, ...rest} of asyncIter) { assert.sameValue(rest.a, undefined); assert.sameValue(rest.b, undefined); verifyProperty(rest, "x", { enumerable: true, writable: true, configurable: true, value: 1 }); verifyProperty(rest, "y", { enumerable: true, writable: true, configurable: true, value: 2 }); iterCount += 1; } } fn().next() .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) .then($DONE, $DONE);