1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/groupBy/toPropertyKey.js b/js/src/tests/test262/built-ins/Object/groupBy/toPropertyKey.js
new file mode 100644
index 0000000000..e24e36b98a
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+++ b/js/src/tests/test262/built-ins/Object/groupBy/toPropertyKey.js
@@ -0,0 +1,38 @@
+// Copyright (c) 2023 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.groupby
+description: Object.groupBy coerces return value with ToPropertyKey
+info: |
+  Object.groupBy ( items, callbackfn )
+
+  ...
+
+  GroupBy ( items, callbackfn, coercion )
+
+  6. Repeat,
+    g. If coercion is property, then
+      i. Set key to Completion(ToPropertyKey(key)).
+      ii. IfAbruptCloseIterator(key, iteratorRecord).
+
+  ...
+includes: [compareArray.js]
+features: [array-grouping]
+---*/
+
+let calls = 0;
+const stringable = {
+  toString: function toString() {
+    return 1;
+  }
+}
+
+const array = [1, '1', stringable];
+
+const obj = Object.groupBy(array, function (v) { return v; });
+
+assert.compareArray(Object.keys(obj), ['1']);
+assert.compareArray(obj['1'], [1, '1', stringable]);
+
+reportCompare(0, 0);