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54 lines
1.6 KiB
Plaintext
54 lines
1.6 KiB
Plaintext
// Copyright (C) 2017 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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path: language/statements/for-await-of/async-func-dstr-let-
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name: for-await-of statement
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esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
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features: [destructuring-binding, async-iteration]
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flags: [async]
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info: |
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IterationStatement :
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for await ( ForDeclaration of AssignmentExpression ) Statement
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[...]
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2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
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lexicalBinding, labelSet, async).
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13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
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[...]
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4. Let destructuring be IsDestructuring of lhs.
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[...]
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6. Repeat
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[...]
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j. If destructuring is false, then
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[...]
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k. Else
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i. If lhsKind is assignment, then
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[...]
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ii. Else if lhsKind is varBinding, then
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[...]
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iii. Else,
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1. Assert: lhsKind is lexicalBinding.
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2. Assert: lhs is a ForDeclaration.
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3. Let status be the result of performing BindingInitialization
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for lhs passing nextValue and iterationEnv as arguments.
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[...]
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---*/
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async function fn() {
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for await (let /*{ elems }*/ of [/*{ vals }*/]) {
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return;
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}
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}
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fn()
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.then(_ => {
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throw new Test262Error("Expected async function to reject, but resolved.");
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}, ({ constructor }) => {
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assert.sameValue(constructor, /*{ error }*/);
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/*{ rejectBody }*/
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})
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.then($DONE, $DONE);
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