1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/String/prototype/substr/this-to-str-err.js b/js/src/tests/test262/annexB/built-ins/String/prototype/substr/this-to-str-err.js
new file mode 100644
index 0000000000..669f572a04
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/String/prototype/substr/this-to-str-err.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 string conversion triggers an abrupt completion
+info: |
+    1. Let O be ? RequireObjectCoercible(this value).
+    2. Let S be ? ToString(O).
+---*/
+
+var substr = String.prototype.substr;
+var thisValue = {
+  toString: function() {
+    throw new Test262Error();
+  }
+};
+
+assert.throws(Test262Error, function() {
+  substr.call(thisValue);
+});
+
+reportCompare(0, 0);