array-elem-put-unresolvable-strict-strict.js (1357B)
1 'use strict'; 2 // This file was procedurally generated from the following sources: 3 // - src/dstr-assignment/array-elem-put-unresolvable-strict.case 4 // - src/dstr-assignment/error/for-of.template 5 /*--- 6 description: In strict mode, if the the assignment target is an unresolvable reference, a ReferenceError should be thrown. (For..of statement) 7 esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation 8 features: [destructuring-binding] 9 flags: [generated, onlyStrict] 10 info: | 11 IterationStatement : 12 for ( LeftHandSideExpression of AssignmentExpression ) Statement 13 14 1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« », 15 AssignmentExpression, iterate). 16 2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement, 17 keyResult, assignment, labelSet). 18 19 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation 20 21 [...] 22 4. If destructuring is true and if lhsKind is assignment, then 23 a. Assert: lhs is a LeftHandSideExpression. 24 b. Let assignmentPattern be the parse of the source text corresponding to 25 lhs using AssignmentPattern as the goal symbol. 26 [...] 27 ---*/ 28 29 var counter = 0; 30 31 assert.throws(ReferenceError, function() { 32 for ([ unresolvable ] of [[]]) { 33 counter += 1; 34 } 35 counter += 1; 36 }); 37 38 assert.sameValue(counter, 0); 39 40 reportCompare(0, 0);