1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/JSON/stringify/value-symbol.js b/js/src/tests/test262/built-ins/JSON/stringify/value-symbol.js
new file mode 100644
index 0000000000..16dffec422
--- /dev/null
+++ b/js/src/tests/test262/built-ins/JSON/stringify/value-symbol.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-serializejsonproperty
+description: >
+  Symbol primitives are ignored, both as keys and as values.
+info: |
+  JSON.stringify ( value [ , replacer [ , space ] ] )
+
+  [...]
+  12. Return ? SerializeJSONProperty(the empty String, wrapper).
+
+  SerializeJSONProperty ( key, holder )
+
+  [...]
+  11. Return undefined.
+features: [Symbol]
+---*/
+
+var sym = Symbol('desc');
+assert.sameValue(JSON.stringify(sym), undefined);
+assert.sameValue(JSON.stringify([sym]), '[null]');
+assert.sameValue(JSON.stringify({key: sym}), '{}');
+
+var obj = {};
+obj[sym] = 1;
+assert.sameValue(JSON.stringify(obj), '{}');
+
+reportCompare(0, 0);