mirror of https://github.com/tc39/test262.git
73 lines
2.1 KiB
JavaScript
73 lines
2.1 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/dstr-binding-for-await/ary-ptrn-elem-obj-val-null.case
|
|
// - src/dstr-binding-for-await/error/for-await-of-async-func-let.template
|
|
/*---
|
|
description: Nested object destructuring with a null value (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.
|
|
[...]
|
|
|
|
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
|
|
|
BindingElement : BindingPattern Initializer_opt
|
|
|
|
1. If iteratorRecord.[[done]] is false, then
|
|
[...]
|
|
e. Else
|
|
i. Let v be IteratorValue(next).
|
|
[...]
|
|
4. Return the result of performing BindingInitialization of BindingPattern
|
|
with v and environment as the arguments.
|
|
|
|
13.3.3.5 Runtime Semantics: BindingInitialization
|
|
|
|
BindingPattern : ObjectBindingPattern
|
|
|
|
1. Let valid be RequireObjectCoercible(value).
|
|
2. ReturnIfAbrupt(valid).
|
|
---*/
|
|
|
|
async function fn() {
|
|
for await (let [{ x }] of [[null]]) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
fn()
|
|
.then(_ => {
|
|
throw new Test262Error("Expected async function to reject, but resolved.");
|
|
}, ({ constructor }) => {
|
|
assert.sameValue(constructor, TypeError);
|
|
|
|
})
|
|
.then($DONE, $DONE);
|
|
|