1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/trim/15.5.4.20-2-8.js b/js/src/tests/test262/built-ins/String/prototype/trim/15.5.4.20-2-8.js
new file mode 100644
index 0000000000..4b07be308c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/trim/15.5.4.20-2-8.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.5.4.20-2-8
+description: >
+    String.prototype.trim - argument 'this' is a number that converts
+    to a string (value is negative number)
+---*/
+
+assert.sameValue(String.prototype.trim.call(-20), "-20", 'String.prototype.trim.call(-20)');
+
+reportCompare(0, 0);