// |reftest| async // This file was procedurally generated from the following sources: // - src/async-generators/yield-identifier-spread-non-strict.case // - src/async-generators/non-strict/async-declaration.template /*--- description: Mixed use of object spread and yield as a valid identifier in a function body inside a generator body in non strict mode (Async generator function declaration - valid for non-strict only cases) esid: prod-AsyncGeneratorDeclaration features: [object-spread, Symbol, async-iteration] flags: [generated, noStrict, async] info: | Async Generator Function Definitions AsyncGeneratorDeclaration: async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } Spread Properties PropertyDefinition[Yield]: (...) ...AssignmentExpression[In, ?Yield] ---*/ var s = Symbol('s'); var callCount = 0; async function *gen() { callCount += 1; yield { ...yield yield, ...(function(arg) { var yield = arg; return {...yield}; }(yield)), ...yield, } } var iter = gen(); var iter = gen(); iter.next(); iter.next(); iter.next({ x: 10, a: 0, b: 0, [s]: 1 }); iter.next({ y: 20, a: 1, b: 1, [s]: 42 }); var item = iter.next({ z: 30, b: 2 }); item.then(({ done, value }) => { assert.sameValue(done, false); assert.sameValue(value.x, 10); assert.sameValue(value.y, 20); assert.sameValue(value.z, 30); assert.sameValue(value.a, 1); assert.sameValue(value.b, 2); assert.sameValue(value[s], 42); assert.sameValue(Object.keys(value).length, 5); assert(Object.prototype.hasOwnProperty.call(value, s), "s is an own property"); }).then($DONE, $DONE); assert.sameValue(callCount, 1);