| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding-for-await/obj-ptrn-prop-id-get-value-err.case |
| // - src/dstr-binding-for-await/error/for-await-of-async-func-const.template |
| /*--- |
| description: Error thrown when accessing the corresponding property of the value object (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. |
| [...] |
| |
| 13.3.3.7 Runtime Semantics: KeyedBindingInitialization |
| |
| BindingElement : BindingPattern Initializer_opt |
| |
| 1. Let v be GetV(value, propertyName). |
| 2. ReturnIfAbrupt(v). |
| ---*/ |
| var initEvalCount = 0; |
| var poisonedProperty = Object.defineProperty({}, 'poisoned', { |
| get: function() { |
| throw new Test262Error(); |
| } |
| }); |
| |
| async function fn() { |
| for await (const { poisoned: x = ++initEvalCount } of [poisonedProperty]) { |
| return; |
| } |
| } |
| |
| fn() |
| .then(_ => { |
| throw new Test262Error("Expected async function to reject, but resolved."); |
| }, ({ constructor }) => { |
| assert.sameValue(constructor, Test262Error); |
| |
| }) |
| .then($DONE, $DONE); |
| |