1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-position.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-position.js
new file mode 100644
index 0000000000..2a8e9b9917
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-position.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.1.3.18
+description: >
+  Returns abrupt from ToInteger(position).
+info: |
+  21.1.3.18 String.prototype.startsWith ( searchString [ , position ] )
+
+  ...
+  9. Let pos be ToInteger(position). (If position is undefined, this step
+  produces the value 0).
+  10. ReturnIfAbrupt(pos).
+  ...
+---*/
+
+var position = {
+  valueOf: function() {
+    throw new Test262Error();
+  }
+};
+
+assert.throws(Test262Error, function() {
+  ''.startsWith('', position);
+});
+
+reportCompare(0, 0);