1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/generators/yield-spread-obj.js b/js/src/tests/test262/language/statements/generators/yield-spread-obj.js
new file mode 100644
index 0000000000..d6c728a2a7
--- /dev/null
+++ b/js/src/tests/test262/language/statements/generators/yield-spread-obj.js
@@ -0,0 +1,49 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-obj.case
+// - src/generators/default/declaration.template
+/*---
+description: Use yield value in a object spread position (Generator Function declaration)
+esid: prod-GeneratorDeclaration
+features: [object-spread, generators]
+flags: [generated]
+info: |
+    14.4 Generator Function Definitions
+
+    GeneratorDeclaration :
+      function * BindingIdentifier ( FormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+
+var callCount = 0;
+
+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 });
+
+assert.sameValue(item.value.x, 42);
+assert.sameValue(item.value.y, 39);
+assert.sameValue(Object.keys(item.value).length, 2);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+reportCompare(0, 0);