var-obj-ptrn-prop-ary-value-null.js (1606B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-prop-ary-value-null.case 3 // - src/dstr-binding/error/for-of-var.template 4 /*--- 5 description: Object binding pattern with "nested" array binding pattern taking the `null` value (for-of statement) 6 esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation 7 features: [destructuring-binding] 8 flags: [generated] 9 info: | 10 IterationStatement : 11 for ( var ForBinding of AssignmentExpression ) Statement 12 13 [...] 14 3. Return ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult, 15 varBinding, labelSet). 16 17 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation 18 19 [...] 20 3. Let destructuring be IsDestructuring of lhs. 21 [...] 22 5. Repeat 23 [...] 24 h. If destructuring is false, then 25 [...] 26 i. Else 27 i. If lhsKind is assignment, then 28 [...] 29 ii. Else if lhsKind is varBinding, then 30 1. Assert: lhs is a ForBinding. 31 2. Let status be the result of performing BindingInitialization 32 for lhs passing nextValue and undefined as the arguments. 33 [...] 34 35 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 36 37 [...] 38 3. If Initializer is present and v is undefined, then 39 [...] 40 4. Return the result of performing BindingInitialization for BindingPattern 41 passing v and environment as arguments. 42 ---*/ 43 44 assert.throws(TypeError, function() { 45 for (var { w: [x, y, z] = [4, 5, 6] } of [{ w: null }]) { 46 return; 47 } 48 }); 49 50 reportCompare(0, 0);