1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-prop-ary-init.js b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-prop-ary-init.js
new file mode 100644
index 0000000000..6b7db21671
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-prop-ary-init.js
@@ -0,0 +1,45 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-init.case
+// - src/dstr-binding/default/async-gen-func-decl-dflt.template
+/*---
+description: Object binding pattern with "nested" array binding pattern using initializer (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).
+        [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+
+var callCount = 0;
+async function* f({ w: [x, y, z] = [4, 5, 6] } = {}) {
+  assert.sameValue(x, 4);
+  assert.sameValue(y, 5);
+  assert.sameValue(z, 6);
+
+  assert.throws(ReferenceError, function() {
+    w;
+  });
+  callCount = callCount + 1;
+};
+f().next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);