1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/S15.7.2.1_A4.js b/js/src/tests/test262/built-ins/Number/S15.7.2.1_A4.js
new file mode 100644
index 0000000000..828f6ee7e4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/S15.7.2.1_A4.js
@@ -0,0 +1,18 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    The [[Class]] property of the newly constructed object
+    is set to "Number"
+es5id: 15.7.2.1_A4
+description: For testing toString function is used
+---*/
+
+delete Number.prototype.toString;
+
+var obj = new Number();
+
+assert.sameValue(obj.toString(), "[object Number]", 'obj.toString() must return "[object Number]"');
+
+reportCompare(0, 0);