| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case |
| // - src/dstr-binding/default/try.template |
| /*--- |
| description: BindingElement with array binding pattern and initializer is not used (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 |
| |
| BindingElement : BindingPatternInitializer opt |
| |
| 1. If iteratorRecord.[[done]] is false, then |
| a. Let next be IteratorStep(iteratorRecord.[[iterator]]). |
| [...] |
| e. Else, |
| i. Let v be IteratorValue(next). |
| [...] |
| 4. Return the result of performing BindingInitialization of BindingPattern |
| with v and environment as the arguments. |
| |
| ---*/ |
| var callCount = 0; |
| function* g() { |
| callCount += 1; |
| }; |
| |
| var ranCatch = false; |
| |
| try { |
| throw [[]]; |
| } catch ([[,] = g()]) { |
| assert.sameValue(callCount, 0); |
| ranCatch = true; |
| } |
| |
| assert(ranCatch, 'executed `catch` block'); |