yield-star-expr-abrupt.js (1527B)
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-class-decl-static-method.template 5 /*--- 6 description: Abrupt completion while getting yield* operand (Static async generator method as a ClassDeclaration element) 7 esid: prod-AsyncGeneratorMethod 8 features: [async-iteration] 9 flags: [generated, async] 10 info: | 11 ClassElement : 12 static 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 YieldExpression: yield * AssignmentExpression 24 25 1. Let exprRef be the result of evaluating AssignmentExpression. 26 2. Let value be ? GetValue(exprRef). 27 ... 28 29 ---*/ 30 var obj = {}; 31 var abrupt = function() { 32 throw obj; 33 }; 34 35 36 37 var callCount = 0; 38 39 class C { static async *gen() { 40 callCount += 1; 41 yield* abrupt(); 42 throw new Test262Error('abrupt completion closes iter'); 43 44 }} 45 46 var gen = C.gen; 47 48 var iter = gen(); 49 50 iter.next().then(() => { 51 throw new Test262Error('Promise incorrectly fulfilled.'); 52 }, v => { 53 assert.sameValue(v, obj, "reject reason"); 54 55 iter.next().then(({ done, value }) => { 56 assert.sameValue(done, true, 'the iterator is completed'); 57 assert.sameValue(value, undefined, 'value is undefined'); 58 }).then($DONE, $DONE); 59 }).catch($DONE); 60 61 assert.sameValue(callCount, 1);