| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/ary-ptrn-rest-ary-empty.case |
| // - src/dstr-binding/default/try.template |
| /*--- |
| description: Rest element containing an "empty" array pattern (try statement) |
| esid: sec-runtime-semantics-catchclauseevaluation |
| features: [generators, destructuring-binding] |
| flags: [generated] |
| info: | |
| Catch : catch ( CatchParameter ) Block |
| |
| [...] |
| 5. Let status be the result of performing BindingInitialization for |
| CatchParameter passing thrownValue and catchEnv as arguments. |
| [...] |
| |
| 13.3.3.6 Runtime Semantics: IteratorBindingInitialization |
| |
| BindingRestElement : ... BindingPattern |
| |
| 1. Let A be ArrayCreate(0). |
| [...] |
| 3. Repeat |
| [...] |
| b. If iteratorRecord.[[done]] is true, then |
| i. Return the result of performing BindingInitialization of |
| BindingPattern with A and environment as the arguments. |
| [...] |
| |
| 13.3.3.6 Runtime Semantics: IteratorBindingInitialization |
| |
| ArrayBindingPattern : [ ] |
| |
| 1. Return NormalCompletion(empty). |
| |
| ---*/ |
| var iterations = 0; |
| var iter = function*() { |
| iterations += 1; |
| }(); |
| |
| var ranCatch = false; |
| |
| try { |
| throw iter; |
| } catch ([...[]]) { |
| assert.sameValue(iterations, 1); |
| ranCatch = true; |
| } |
| |
| assert(ranCatch, 'executed `catch` block'); |