1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-prop-id.js b/js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-prop-id.js
new file mode 100644
index 0000000000..2849bf8730
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-prop-id.js
@@ -0,0 +1,41 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-id.case
+// - src/dstr-binding/default/async-gen-func-expr-dflt.template
+/*---
+description: Binding as specified via property name and identifier (async generator function expression (default parameter))
+esid: sec-asyncgenerator-definitions-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
+        AsyncGeneratorBody }
+
+        [...]
+        3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
+           AsyncGeneratorBody, scope, strict).
+        [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+
+var callCount = 0;
+var f;
+f = async function*({ x: y } = { x: 23 }) {
+  assert.sameValue(y, 23);
+  assert.throws(ReferenceError, function() {
+    x;
+  });
+  callCount = callCount + 1;
+};
+
+f().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);