| // This file was procedurally generated from the following sources: |
| // - src/dstr-assignment/obj-rest-to-property-with-setter.case |
| // - src/dstr-assignment/default/for-of.template |
| /*--- |
| description: When DestructuringAssignmentTarget is an object property setter, its value should be binded as rest object. (For..of statement) |
| esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation |
| features: [object-rest, destructuring-binding] |
| flags: [generated] |
| 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 settedValue; |
| var executedGetter = false; |
| var src = { |
| get y() { executedGetter = true; }, |
| set y(v) { |
| settedValue = v; |
| } |
| } |
| src.y = undefined; |
| |
| var counter = 0; |
| |
| for ({...src.y} of [{ x: 1, y: 2}]) { |
| assert.sameValue(settedValue.x, 1); |
| assert.sameValue(settedValue.y, 2); |
| assert(!executedGetter, "The property should not be accessed"); |
| |
| counter += 1; |
| } |
| |
| assert.sameValue(counter, 1); |