var-obj-ptrn-rest-val-obj.js (1693B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-rest-val-obj.case 3 // - src/dstr-binding/default/for-of-var.template 4 /*--- 5 description: Rest object contains just unextracted data (for-of statement) 6 esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation 7 features: [object-rest, destructuring-binding] 8 flags: [generated] 9 includes: [propertyHelper.js] 10 info: | 11 IterationStatement : 12 for ( var ForBinding of AssignmentExpression ) Statement 13 14 [...] 15 3. Return ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult, 16 varBinding, labelSet). 17 18 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation 19 20 [...] 21 3. Let destructuring be IsDestructuring of lhs. 22 [...] 23 5. Repeat 24 [...] 25 h. If destructuring is false, then 26 [...] 27 i. Else 28 i. If lhsKind is assignment, then 29 [...] 30 ii. Else if lhsKind is varBinding, then 31 1. Assert: lhs is a ForBinding. 32 2. Let status be the result of performing BindingInitialization 33 for lhs passing nextValue and undefined as the arguments. 34 [...] 35 ---*/ 36 37 var iterCount = 0; 38 39 for (var {a, b, ...rest} of [{x: 1, y: 2, a: 5, b: 3}]) { 40 assert.sameValue(rest.a, undefined); 41 assert.sameValue(rest.b, undefined); 42 43 verifyProperty(rest, "x", { 44 enumerable: true, 45 writable: true, 46 configurable: true, 47 value: 1 48 }); 49 50 verifyProperty(rest, "y", { 51 enumerable: true, 52 writable: true, 53 configurable: true, 54 value: 2 55 }); 56 57 iterCount += 1; 58 } 59 60 assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); 61 62 reportCompare(0, 0);