diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision.js')
-rw-r--r-- | js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision.js b/js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision.js new file mode 100644 index 0000000000..9d4a12470e --- /dev/null +++ b/js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision.js @@ -0,0 +1,57 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision.case +// - src/dstr-binding/default/try.template +/*--- +description: Elision advances iterator (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 + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + 2. Return NormalCompletion(empty). + +---*/ +var first = 0; +var second = 0; +function* g() { + first += 1; + yield; + second += 1; +}; + +var ranCatch = false; + +try { + throw g(); +} catch ([,]) { + assert.sameValue(first, 1); + assert.sameValue(second, 0); + ranCatch = true; +} + +assert(ranCatch, 'executed `catch` block'); + +reportCompare(0, 0); |