1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/String/prototype/substr/this-non-obj-coerce.js b/js/src/tests/test262/annexB/built-ins/String/prototype/substr/this-non-obj-coerce.js
new file mode 100644
index 0000000000..7036c9e250
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/String/prototype/substr/this-non-obj-coerce.js
@@ -0,0 +1,23 @@
+// 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.substr
+es6id: B.2.3.1
+description: Behavior when "this" value is not Object-coercible
+info: |
+    1. Let O be ? RequireObjectCoercible(this value).
+---*/
+
+var substr = String.prototype.substr;
+
+assert.sameValue(typeof substr, 'function');
+
+assert.throws(TypeError, function() {
+  substr.call(undefined);
+}, 'undefined');
+
+assert.throws(TypeError, function() {
+  substr.call(null);
+}, 'null');
+
+reportCompare(0, 0);