| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding-for-await/obj-ptrn-prop-eval-err.case |
| // - src/dstr-binding-for-await/error/for-await-of-async-gen-const.template |
| /*--- |
| description: Evaluation of property name returns an abrupt completion (for-await-of statement) |
| esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation |
| features: [destructuring-binding, async-iteration] |
| flags: [generated, async] |
| info: | |
| IterationStatement : |
| for await ( ForDeclaration of AssignmentExpression ) Statement |
| |
| [...] |
| 2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult, |
| lexicalBinding, labelSet, async). |
| |
| 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation |
| |
| [...] |
| 4. Let destructuring be IsDestructuring of lhs. |
| [...] |
| 6. Repeat |
| [...] |
| j. If destructuring is false, then |
| [...] |
| k. Else |
| i. If lhsKind is assignment, then |
| [...] |
| ii. Else if lhsKind is varBinding, then |
| [...] |
| iii. Else, |
| 1. Assert: lhsKind is lexicalBinding. |
| 2. Assert: lhs is a ForDeclaration. |
| 3. Let status be the result of performing BindingInitialization |
| for lhs passing nextValue and iterationEnv as arguments. |
| [...] |
| |
| 13.3.3.5 Runtime Semantics: BindingInitialization |
| |
| BindingProperty : PropertyName : BindingElement |
| |
| 1. Let P be the result of evaluating PropertyName |
| 2. ReturnIfAbrupt(P). |
| ---*/ |
| function thrower() { |
| throw new Test262Error(); |
| } |
| |
| async function * gen() { |
| for await (const { [thrower()]: x } of [{}]) { |
| return; |
| } |
| } |
| |
| gen().next() |
| .then(_ => { |
| throw new Test262Error("Expected async function to reject, but resolved."); |
| }, ({ constructor }) => { |
| assert.sameValue(constructor, Test262Error); |
| |
| }) |
| .then($DONE, $DONE); |