| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case |
| // - src/dstr-binding/default/for-of-var.template |
| /*--- |
| description: Rest object doesn't contain non-enumerable properties (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 o = {a: 3, b: 4}; |
| Object.defineProperty(o, "x", { value: 4, enumerable: false }); |
| |
| var iterCount = 0; |
| |
| for (var {...rest} of [o]) { |
| assert.sameValue(rest.x, undefined); |
| |
| verifyProperty(rest, "a", { |
| enumerable: true, |
| writable: true, |
| configurable: true, |
| value: 3 |
| }); |
| |
| verifyProperty(rest, "b", { |
| enumerable: true, |
| writable: true, |
| configurable: true, |
| value: 4 |
| }); |
| |
| iterCount += 1; |
| } |
| |
| assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); |