1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_toString.js b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_toString.js
new file mode 100644
index 0000000000..e27def6e27
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/hasOwn/symbol_property_toString.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2021 Jamie Kyle.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.hasown
+description: Object.hasOwn with symbol and toString conversion
+info: |
+  Object.hasOwn ( _O_, _P_ )
+
+  1. Let _obj_ be ? ToObject(_O_).
+  1. Let _key_ be ? ToPropertyKey(_P_).
+  ...
+author: Jamie Kyle
+features: [Symbol, Object.hasOwn]
+---*/
+
+var obj = {};
+var sym = Symbol();
+
+var callCount = 0;
+var wrapper = {
+  toString: function() {
+    callCount += 1;
+    return sym;
+  },
+  valueOf: function () {
+    throw new Test262Error("valueOf() called")
+  }
+};
+
+obj[sym] = 0;
+
+assert.sameValue(
+  Object.hasOwn(obj, wrapper),
+  true,
+  "Returns true if symbol own property found"
+);
+
+assert.sameValue(callCount, 1, "toString method called exactly once");
+
+reportCompare(0, 0);