summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-ptrn-elision-step-err.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-ptrn-elision-step-err.js')
-rw-r--r--js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-ptrn-elision-step-err.js54
1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-ptrn-elision-step-err.js b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-ptrn-elision-step-err.js
new file mode 100644
index 0000000000..7961fd0631
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-ptrn-elision-step-err.js
@@ -0,0 +1,54 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elision-step-err.case
+// - src/dstr-binding/error/async-gen-func-decl-dflt.template
+/*---
+description: Elision advances iterator and forwards abrupt completions (async generator function declaration (default parameter))
+esid: sec-asyncgenerator-definitions-instantiatefunctionobject
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+ AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
+ ( FormalParameters ) { AsyncGeneratorBody }
+
+ [...]
+ 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
+ scope, strict).
+ [...]
+
+ 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;
+}();
+
+
+async function* f([,] = iter) {
+
+};
+
+assert.throws(Test262Error, function() {
+ f();
+});
+
+iter.next();
+assert.sameValue(following, 0, 'Iterator was properly closed.');
+
+reportCompare(0, 0);