| // This file was procedurally generated from the following sources: |
| // - src/dstr-assignment/obj-rest-computed-property-no-strict.case |
| // - src/dstr-assignment/default/for-of.template |
| /*--- |
| description: Destructuring field can be a computed property, i.e it can be defined only at runtime. Rest operantion needs to skip these properties as well. (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, noStrict] |
| includes: [propertyHelper.js] |
| info: | |
| IterationStatement : |
| for ( LeftHandSideExpression of AssignmentExpression ) Statement |
| |
| 1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« », |
| AssignmentExpression, iterate). |
| 2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement, |
| keyResult, assignment, labelSet). |
| |
| 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation |
| |
| [...] |
| 4. If destructuring is true and if lhsKind is assignment, then |
| a. Assert: lhs is a LeftHandSideExpression. |
| b. Let assignmentPattern be the parse of the source text corresponding to |
| lhs using AssignmentPattern as the goal symbol. |
| [...] |
| ---*/ |
| var a = "foo"; |
| |
| var counter = 0; |
| |
| for ({[a]:b, ...rest} of [{ foo: 1, bar: 2, baz: 3 }]) { |
| assert.sameValue(b, 1); |
| assert.sameValue(rest.bar, 2); |
| assert.sameValue(rest.baz, 3); |
| |
| assert.sameValue(Object.getOwnPropertyDescriptor(rest, "foo"), undefined); |
| |
| verifyProperty(rest, "bar", { |
| enumerable: true, |
| writable: true, |
| configurable: true |
| }); |
| |
| verifyProperty(rest, "baz", { |
| enumerable: true, |
| writable: true, |
| configurable: true |
| }); |
| |
| counter += 1; |
| } |
| |
| assert.sameValue(counter, 1); |