1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Math/cos/prop-desc.js b/js/src/tests/test262/built-ins/Math/cos/prop-desc.js
new file mode 100644
index 0000000000..91532c0408
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.cos
+description: >
+  "cos" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "cos");
+verifyWritable(Math, "cos");
+verifyConfigurable(Math, "cos");
+
+reportCompare(0, 0);