1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-true-when-symbol-value-present.js b/js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-true-when-symbol-value-present.js
new file mode 100644
index 0000000000..3ff3428392
--- /dev/null
+++ b/js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-true-when-symbol-value-present.js
@@ -0,0 +1,24 @@
+// |reftest| skip -- symbols-as-weakmap-keys is not supported
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-weakset.prototype.has
+description: >
+  Returns true when a Symbol value is present in the WeakSet entries list.
+info: |
+  WeakSet.prototype.has ( _value_ )
+  5. For each element _e_ of _entries_, do
+    a. If _e_ is not ~empty~ and SameValue(_e_, _value_) is *true*, return *true*.
+features: [Symbol, WeakSet, symbols-as-weakmap-keys]
+---*/
+
+var foo = Symbol('a description');
+var s = new WeakSet();
+
+s.add(foo);
+assert.sameValue(s.has(foo), true, 'Regular symbol as value');
+
+s.add(Symbol.hasInstance);
+assert.sameValue(s.has(Symbol.hasInstance), true, 'Well-known symbol as value');
+
+reportCompare(0, 0);