async-gen-yield-star-expr-abrupt.js (1367B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/async-generators/yield-star-expr-abrupt.case 4 // - src/async-generators/default/async-obj-method.template 5 /*--- 6 description: Abrupt completion while getting yield* operand (Async generator method) 7 esid: prod-AsyncGeneratorMethod 8 features: [async-iteration] 9 flags: [generated, async] 10 info: | 11 Async Generator Function Definitions 12 13 AsyncGeneratorMethod : 14 async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody } 15 16 17 YieldExpression: yield * AssignmentExpression 18 19 1. Let exprRef be the result of evaluating AssignmentExpression. 20 2. Let value be ? GetValue(exprRef). 21 ... 22 23 ---*/ 24 var obj = {}; 25 var abrupt = function() { 26 throw obj; 27 }; 28 29 30 var callCount = 0; 31 32 var gen = { 33 async *method() { 34 callCount += 1; 35 yield* abrupt(); 36 throw new Test262Error('abrupt completion closes iter'); 37 38 } 39 }.method; 40 41 var iter = gen(); 42 43 iter.next().then(() => { 44 throw new Test262Error('Promise incorrectly fulfilled.'); 45 }, v => { 46 assert.sameValue(v, obj, "reject reason"); 47 48 iter.next().then(({ done, value }) => { 49 assert.sameValue(done, true, 'the iterator is completed'); 50 assert.sameValue(value, undefined, 'value is undefined'); 51 }).then($DONE, $DONE); 52 }).catch($DONE); 53 54 assert.sameValue(callCount, 1);