mirror of https://github.com/tc39/test262.git
53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
|
|
// - src/dstr-binding/error/for-of-const.template
|
|
/*---
|
|
description: Object binding pattern with "nested" object binding pattern taking the `null` value (for-of statement)
|
|
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
|
es6id: 13.7.5.11
|
|
features: [destructuring-binding]
|
|
flags: [generated]
|
|
info: |
|
|
IterationStatement :
|
|
for ( ForDeclaration of AssignmentExpression ) Statement
|
|
|
|
[...]
|
|
3. Return ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
|
lexicalBinding, labelSet).
|
|
|
|
13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
|
|
|
|
[...]
|
|
3. Let destructuring be IsDestructuring of lhs.
|
|
[...]
|
|
5. Repeat
|
|
[...]
|
|
h. If destructuring is false, then
|
|
[...]
|
|
i. 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
|
|
|
|
[...]
|
|
3. If Initializer is present and v is undefined, then
|
|
[...]
|
|
4. Return the result of performing BindingInitialization for BindingPattern
|
|
passing v and environment as arguments.
|
|
---*/
|
|
|
|
assert.throws(TypeError, function() {
|
|
for (const { w: { x, y, z } = undefined } of [{ }]) {
|
|
return;
|
|
}
|
|
});
|