1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/ary-ptrn-elem-obj-id-init.js b/js/src/tests/test262/language/statements/async-generator/dstr/ary-ptrn-elem-obj-id-init.js
new file mode 100644
index 0000000000..050ac6608e
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/dstr/ary-ptrn-elem-obj-id-init.js
@@ -0,0 +1,43 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
+// - src/dstr-binding/default/async-gen-func-decl.template
+/*---
+description: BindingElement with object binding pattern and initializer is used (async generator function declaration)
+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
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    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).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+async function* f([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
+  assert.sameValue(x, 44);
+  assert.sameValue(y, 55);
+  assert.sameValue(z, 66);
+  callCount = callCount + 1;
+};
+f([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);