1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/yield-spread-obj.js b/js/src/tests/test262/language/statements/async-generator/yield-spread-obj.js
new file mode 100644
index 0000000000..e5611226af
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/yield-spread-obj.js
@@ -0,0 +1,52 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-spread-obj.case
+// - src/async-generators/default/async-declaration.template
+/*---
+description: Use yield value in a object spread position (Async generator Function declaration)
+esid: prod-AsyncGeneratorDeclaration
+features: [object-spread, async-iteration]
+flags: [generated, async]
+info: |
+    Async Generator Function Definitions
+
+    AsyncGeneratorDeclaration:
+      async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) {
+        AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+
+var callCount = 0;
+
+async function *gen() {
+  callCount += 1;
+  yield {
+      ...yield,
+      y: 1,
+      ...yield yield,
+    };
+}
+
+var iter = gen();
+
+iter.next();
+iter.next({ x: 42 });
+iter.next({ x: 'lol' });
+var item = iter.next({ y: 39 });
+
+item.then(({ done, value }) => {
+  assert.sameValue(value.x, 42);
+  assert.sameValue(value.y, 39);
+  assert.sameValue(Object.keys(value).length, 2);
+  assert.sameValue(done, false);
+}).then($DONE, $DONE);
+
+assert.sameValue(callCount, 1);