| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/ary-init-iter-no-close.case |
| // - src/dstr-binding/default/try.template |
| /*--- |
| description: Iterator is not closed when exhausted by pattern evaluation (try statement) |
| esid: sec-runtime-semantics-catchclauseevaluation |
| features: [Symbol.iterator, 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. |
| [...] |
| |
| 13.3.3.5 Runtime Semantics: BindingInitialization |
| |
| BindingPattern : ArrayBindingPattern |
| |
| [...] |
| 4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator, |
| result). |
| [...] |
| |
| ---*/ |
| var doneCallCount = 0; |
| var iter = {}; |
| iter[Symbol.iterator] = function() { |
| return { |
| next: function() { |
| return { value: null, done: true }; |
| }, |
| return: function() { |
| doneCallCount += 1; |
| return {}; |
| } |
| }; |
| }; |
| |
| var ranCatch = false; |
| |
| try { |
| throw iter; |
| } catch ([x]) { |
| assert.sameValue(doneCallCount, 0); |
| ranCatch = true; |
| } |
| |
| assert(ranCatch, 'executed `catch` block'); |