1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-ptrn-elem-id-iter-complete.js b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-ptrn-elem-id-iter-complete.js
new file mode 100644
index 0000000000..c1e0cdc1cb
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-ary-ptrn-elem-id-iter-complete.js
@@ -0,0 +1,45 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
+// - src/dstr-binding/default/async-gen-func-decl-dflt.template
+/*---
+description: SingleNameBinding when value iteration completes (async generator function declaration (default parameter))
+esid: sec-asyncgenerator-definitions-instantiatefunctionobject
+features: [async-iteration]
+flags: [generated, async]
+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
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    4. 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.
+       e. Else,
+          [...]
+    5. If iteratorRecord.[[done]] is true, let v be undefined.
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+async function* f([x] = []) {
+  assert.sameValue(x, undefined);
+  callCount = callCount + 1;
+};
+f().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);