yield-spread-arr-multiple.js (1316B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/async-generators/yield-spread-arr-multiple.case 4 // - src/async-generators/default/async-class-expr-method.template 5 /*--- 6 description: Use yield value in a array spread position (Async generator method as a ClassExpression element) 7 esid: prod-AsyncGeneratorMethod 8 features: [async-iteration] 9 flags: [generated, async] 10 includes: [compareArray.js] 11 info: | 12 ClassElement : 13 MethodDefinition 14 15 MethodDefinition : 16 AsyncGeneratorMethod 17 18 Async Generator Function Definitions 19 20 AsyncGeneratorMethod : 21 async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody } 22 23 24 Array Initializer 25 26 SpreadElement[Yield, Await]: 27 ...AssignmentExpression[+In, ?Yield, ?Await] 28 29 ---*/ 30 var arr = ['a', 'b', 'c']; 31 var item; 32 33 34 var callCount = 0; 35 36 var C = class { async *gen() { 37 callCount += 1; 38 yield [...yield yield]; 39 }} 40 41 var gen = C.prototype.gen; 42 43 var iter = gen(); 44 45 iter.next(false); 46 item = iter.next(['a', 'b', 'c']); 47 48 item.then(({ done, value }) => { 49 item = iter.next(value); 50 51 item.then(({ done, value }) => { 52 assert.compareArray(value, arr); 53 assert.sameValue(done, false); 54 }).then($DONE, $DONE); 55 }).catch($DONE); 56 57 assert.sameValue(callCount, 1);