// Copyright (C) 2017 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- desc: > When a `yield` token appears within the DestructuringAssignmentTarget of an AssignmentElement within a generator function body, it behaves as a YieldExpression. template: async-generator features: [generators] ---*/ //- setup let value = [33]; let x = {}; let iterationResult; //- elems [ x[yield] ] //- vals [33] //- teardown iter.next().then(iterationResult => { assert.sameValue(iterationResult.value, undefined); assert.sameValue(iterationResult.done, false); assert.sameValue(x.prop, undefined); iter.next('prop').then(iterationResult => { assert.sameValue(iterationResult.value, undefined); assert.sameValue(iterationResult.done, true); assert.sameValue(x.prop, 33); }).then($DONE, $DONE); });