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

59 lines
1.7 KiB
JavaScript

// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-rest-val-obj.case
// - src/dstr-binding/default/for-of-var.template
/*---
description: Rest object contains just unextracted data (for-of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
es6id: 13.7.5.11
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
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 iterCount = 0;
for (var {a, b, ...rest} of [{x: 1, y: 2, a: 5, b: 3}]) {
assert.sameValue(rest.x, 1);
assert.sameValue(rest.y, 2);
assert.sameValue(rest.a, undefined);
assert.sameValue(rest.b, undefined);
verifyEnumerable(rest, "x");
verifyWritable(rest, "x");
verifyConfigurable(rest, "x");
verifyEnumerable(rest, "y");
verifyWritable(rest, "y");
verifyConfigurable(rest, "y");
iterCount += 1;
}
assert.sameValue(iterCount, 1, 'Iteration occurred as expected');