1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/split/separator-tostring-error.js b/js/src/tests/test262/built-ins/String/prototype/split/separator-tostring-error.js
new file mode 100644
index 0000000000..2224f2b538
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/split/separator-tostring-error.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2020 Richard Gibson. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-string.prototype.split
+description: Abrupt completion from ToString on the separator
+info: |
+  1. Let _R_ be ? ToString(_separator_).
+  1. If _lim_ = 0, return _A_.
+---*/
+
+function ExpectedError(message) {
+  this.message = message || "";
+}
+ExpectedError.prototype.toString = function () {
+  return "ExpectedError: " + this.message;
+};
+
+var nonStringableSeparator = {};
+nonStringableSeparator.toString = function() { throw new ExpectedError(); };
+
+assert.throws(ExpectedError, function() {
+  "foo".split(nonStringableSeparator, 0);
+}, 'ToString should be called on the separator before checking if the limit is zero.');
+
+reportCompare(0, 0);