// This file was procedurally generated from the following sources: // - src/dstr-assignment/obj-rest-same-name.case // - src/dstr-assignment/default/for-of.template /*--- description: Proper setting in the values for rest name equal to a property name. (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 o = { x: 42, y: 39, z: 'cheeseburger' }; var x, y, z; var counter = 0; for ({ x, ...z } of [o]) { assert.sameValue(x, 42); assert.sameValue(y, undefined); assert.sameValue(z.y, 39); assert.sameValue(z.z, 'cheeseburger'); var keys = Object.getOwnPropertyNames(z); assert.sameValue(keys.length, 2); assert.sameValue(keys[0], 'y'); assert.sameValue(keys[1], 'z'); counter += 1; } assert.sameValue(counter, 1); reportCompare(0, 0);