yield-promise-reject-next.js (1404B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/async-generators/yield-promise-reject-next.case 4 // - src/async-generators/default/async-class-expr-method.template 5 /*--- 6 description: yield Promise.reject(value) is treated as throw value (Async generator method as a ClassExpression element) 7 esid: prod-AsyncGeneratorMethod 8 features: [async-iteration] 9 flags: [generated, async] 10 info: | 11 ClassElement : 12 MethodDefinition 13 14 MethodDefinition : 15 AsyncGeneratorMethod 16 17 Async Generator Function Definitions 18 19 AsyncGeneratorMethod : 20 async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody } 21 22 ---*/ 23 let error = new Error(); 24 25 26 var callCount = 0; 27 28 var C = class { async *gen() { 29 callCount += 1; 30 yield Promise.reject(error); 31 yield "unreachable"; 32 }} 33 34 var gen = C.prototype.gen; 35 36 var iter = gen(); 37 38 iter.next().then(() => { 39 throw new Test262Error("Promise incorrectly resolved."); 40 }, rejectValue => { 41 // yield Promise.reject(error); 42 assert.sameValue(rejectValue, error); 43 44 iter.next().then(({done, value}) => { 45 // iter is closed now. 46 assert.sameValue(done, true, "The value of IteratorResult.done is `true`"); 47 assert.sameValue(value, undefined, "The value of IteratorResult.value is `undefined`"); 48 }).then($DONE, $DONE); 49 }).catch($DONE); 50 51 assert.sameValue(callCount, 1);