var-ary-init-iter-get-err.js (1535B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-init-iter-get-err.case 3 // - src/dstr-binding/error/for-of-var.template 4 /*--- 5 description: Abrupt completion returned by GetIterator (for-of statement) 6 esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation 7 features: [Symbol.iterator, 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 13.3.3.5 Runtime Semantics: BindingInitialization 36 37 BindingPattern : ArrayBindingPattern 38 39 1. Let iterator be GetIterator(value). 40 2. ReturnIfAbrupt(iterator). 41 42 ---*/ 43 var iter = {}; 44 iter[Symbol.iterator] = function() { 45 throw new Test262Error(); 46 }; 47 48 assert.throws(Test262Error, function() { 49 for (var [x] of [iter]) { 50 return; 51 } 52 }); 53 54 reportCompare(0, 0);