diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision-step-err.js')
-rw-r--r-- | js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision-step-err.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision-step-err.js new file mode 100644 index 0000000000..61b2b4a2fa --- /dev/null +++ b/js/src/tests/test262/language/statements/try/dstr/ary-ptrn-elision-step-err.js @@ -0,0 +1,50 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision-step-err.case +// - src/dstr-binding/error/try.template +/*--- +description: Elision advances iterator and forwards abrupt completions (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). + +---*/ +var following = 0; +var iter =function* () { + throw new Test262Error(); + following += 1; +}(); + +assert.throws(Test262Error, function() { + try { + throw iter; + } catch ([,]) {} +}); + +iter.next(); +assert.sameValue(following, 0, 'Iterator was properly closed.'); + +reportCompare(0, 0); |