async-gen-dstr-var-obj-ptrn-list-err.js (2074B)
1 // |reftest| async 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-binding-for-await/obj-ptrn-list-err.case 4 // - src/dstr-binding-for-await/error/for-await-of-async-gen-var.template 5 /*--- 6 description: Binding property list evaluation is interrupted by an abrupt completion (for-await-of statement) 7 esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation 8 features: [destructuring-binding, async-iteration] 9 flags: [generated, async] 10 info: | 11 IterationStatement : 12 for await ( ForDeclaration of AssignmentExpression ) Statement 13 14 [...] 15 2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult, 16 lexicalBinding, labelSet, async). 17 18 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation 19 20 [...] 21 4. Let destructuring be IsDestructuring of lhs. 22 [...] 23 6. Repeat 24 [...] 25 j. If destructuring is false, then 26 [...] 27 k. Else 28 i. If lhsKind is assignment, then 29 [...] 30 ii. Else if lhsKind is varBinding, then 31 [...] 32 iii. Else, 33 1. Assert: lhsKind is lexicalBinding. 34 2. Assert: lhs is a ForDeclaration. 35 3. Let status be the result of performing BindingInitialization 36 for lhs passing nextValue and iterationEnv as arguments. 37 [...] 38 39 13.3.3.5 Runtime Semantics: BindingInitialization 40 41 BindingPropertyList : BindingPropertyList , BindingProperty 42 43 1. Let status be the result of performing BindingInitialization for 44 BindingPropertyList using value and environment as arguments. 45 2. ReturnIfAbrupt(status). 46 ---*/ 47 var initCount = 0; 48 function thrower() { 49 throw new Test262Error(); 50 } 51 52 async function * gen() { 53 for await (var { a, b = thrower(), c = ++initCount } of [{}]) { 54 return; 55 } 56 } 57 58 gen().next() 59 .then(_ => { 60 throw new Test262Error("Expected async function to reject, but resolved."); 61 }, ({ constructor }) => { 62 assert.sameValue(constructor, Test262Error); 63 64 }) 65 .then($DONE, $DONE);