1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/toLowerCase/this-value-not-obj-coercible.js b/js/src/tests/test262/built-ins/String/prototype/toLowerCase/this-value-not-obj-coercible.js
new file mode 100644
index 0000000000..454eb79544
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/toLowerCase/this-value-not-obj-coercible.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-string.prototype.tolowercase
+description: The "this" value must be object-coercible
+info: |
+  1. Let O be ? RequireObjectCoercible(this value).
+---*/
+
+var toLowerCase = String.prototype.toLowerCase;
+
+assert.sameValue(typeof toLowerCase, 'function');
+
+assert.throws(TypeError, function() {
+  toLowerCase.call(undefined);
+}, 'undefined');
+
+assert.throws(TypeError, function() {
+  toLowerCase.call(null);
+}, 'null');
+
+reportCompare(0, 0);