ary-ptrn-rest-ary-empty.js (1352B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-ptrn-rest-ary-empty.case 3 // - src/dstr-binding/default/try.template 4 /*--- 5 description: Rest element containing an "empty" array pattern (try statement) 6 esid: sec-runtime-semantics-catchclauseevaluation 7 features: [generators, destructuring-binding] 8 flags: [generated] 9 info: | 10 Catch : catch ( CatchParameter ) Block 11 12 [...] 13 5. Let status be the result of performing BindingInitialization for 14 CatchParameter passing thrownValue and catchEnv as arguments. 15 [...] 16 17 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 18 19 BindingRestElement : ... BindingPattern 20 21 1. Let A be ArrayCreate(0). 22 [...] 23 3. Repeat 24 [...] 25 b. If iteratorRecord.[[done]] is true, then 26 i. Return the result of performing BindingInitialization of 27 BindingPattern with A and environment as the arguments. 28 [...] 29 30 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 31 32 ArrayBindingPattern : [ ] 33 34 1. Return NormalCompletion(empty). 35 36 ---*/ 37 var iterations = 0; 38 var iter = function*() { 39 iterations += 1; 40 }(); 41 42 var ranCatch = false; 43 44 try { 45 throw iter; 46 } catch ([...[]]) { 47 assert.sameValue(iterations, 1); 48 ranCatch = true; 49 } 50 51 assert(ranCatch, 'executed `catch` block'); 52 53 reportCompare(0, 0);