1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/split/separator-undef.js b/js/src/tests/test262/built-ins/String/prototype/split/separator-undef.js
new file mode 100644
index 0000000000..c0a6454153
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/split/separator-undef.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2020 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-string.prototype.split
+description: Separator is undefined, return a new array with the string
+info: |
+  ...
+  3. Let S be ? ToString(O).
+  4. Let A be ! ArrayCreate(0).
+  ...
+  6. If limit is undefined, let lim be 232 - 1; else let lim be ? ToUint32(limit).
+  7. Let R be ? ToString(separator).
+  8. If lim = 0, return A.
+  9. If separator is undefined, then
+    a. Perform ! CreateDataPropertyOrThrow(A, "0", S).
+    b. Return A.
+---*/
+
+var str = 'undefined is not a function';
+
+var result = str.split();
+
+assert.sameValue(Array.isArray(result), true, 'implicit separator, result is array');
+assert.sameValue(result.length, 1, 'implicit separator, result.length');
+assert.sameValue(result[0], str, 'implicit separator, [0] is the same string');
+
+result = str.split(undefined);
+
+assert.sameValue(Array.isArray(result), true, 'explicit separator, result is array');
+assert.sameValue(result.length, 1, 'explicit separator, result.length');
+assert.sameValue(result[0], str, 'explicit separator, [0] is the same string');
+
+reportCompare(0, 0);