mirror of https://github.com/tc39/test262.git
55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
|
// This file was procedurally generated from the following sources:
|
||
|
|
// - src/dstr-binding/obj-init-undefined.case
|
||
|
|
// - src/dstr-binding/error/for-await-of-async-func-const.template
|
||
|
|
/*---
|
||
|
|
description: Value specifed for object binding pattern must be object coercible (undefined) (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.
|
||
|
|
[...]
|
||
|
|
|
||
|
|
Runtime Semantics: BindingInitialization
|
||
|
|
|
||
|
|
ObjectBindingPattern : { }
|
||
|
|
|
||
|
|
1. Return NormalCompletion(empty).
|
||
|
|
---*/
|
||
|
|
|
||
|
|
async function fn() {
|
||
|
|
for await (const {} of [undefined]) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn()
|
||
|
|
.then(_ => throw new Test262Error("Expected async function to reject, but resolved."), ({ constructor }) => assert.sameValue(constructor, TypeError))
|
||
|
|
.then($DONE, $DONE);
|
||
|
|
|