mirror of https://github.com/tc39/test262.git
62 lines
1.8 KiB
JavaScript
62 lines
1.8 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-const.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: [destructuring-binding]
|
||
|
|
flags: [generated]
|
||
|
|
includes: [propertyHelper.js]
|
||
|
|
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.
|
||
|
|
[...]
|
||
|
|
---*/
|
||
|
|
|
||
|
|
var iterCount = 0;
|
||
|
|
|
||
|
|
for (const {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');
|