1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Symbol/prototype/description/description-symboldescriptivestring.js b/js/src/tests/test262/built-ins/Symbol/prototype/description/description-symboldescriptivestring.js
new file mode 100644
index 0000000000..bd0a8bc867
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Symbol/prototype/description/description-symboldescriptivestring.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2018 Rick Waldron. All rights reserved.
+// Copyright (C) 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-symbol.prototype.description
+description: >
+  SymbolDescriptiveString(sym) via Symbol.prototype.toString()
+info: |
+  SymbolDescriptiveString ( sym )
+
+  Assert: Type(sym) is Symbol.
+  Let desc be sym's [[Description]] value.
+  If desc is undefined, let desc be the empty string.
+  Assert: Type(desc) is String.
+  Return the string-concatenation of "Symbol(", desc, and ")".
+
+features: [Symbol.prototype.description]
+---*/
+
+const symbol = Symbol('foo');
+
+assert.sameValue(
+  symbol.description,
+  'foo',
+  'The value of symbol.description is "foo"'
+);
+assert.sameValue(
+  symbol.toString(),
+  `Symbol(${symbol.description})`,
+  `symbol.toString() returns "Symbol(${symbol.description})"`
+);
+
+reportCompare(0, 0);