test262/test/language/statements/for-of/dstr-var-obj-ptrn-rest-nest...

51 lines
1.6 KiB
JavaScript

// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-rest-nested-obj.case
// - src/dstr-binding/default/for-of-var.template
/*---
description: When DestructuringAssignmentTarget is an object literal, it should be parsed parsed as a DestructuringAssignmentPattern and evaluated as a destructuring assignment. (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 ( var ForBinding of AssignmentExpression ) Statement
[...]
3. Return ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult,
varBinding, 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
1. Assert: lhs is a ForBinding.
2. Let status be the result of performing BindingInitialization
for lhs passing nextValue and undefined as the arguments.
[...]
---*/
var obj = {a: 3, b: 4};
var iterCount = 0;
for (var {a, b, ...{c, e}} of [{a: 1, b: 2, c: 3, d: 4, e: 5}]) {
assert.sameValue(a, 1);
assert.sameValue(b, 2);
assert.sameValue(c, 3);
assert.sameValue(e, 5);
iterCount += 1;
}
assert.sameValue(iterCount, 1, 'Iteration occurred as expected');