1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/endsWith/return-true-if-searchstring-is-empty.js b/js/src/tests/test262/built-ins/String/prototype/endsWith/return-true-if-searchstring-is-empty.js
new file mode 100644
index 0000000000..1871492039
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/endsWith/return-true-if-searchstring-is-empty.js
@@ -0,0 +1,51 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 21.1.3.6
+description: >
+  Returns true if searchString.length == 0.
+info: |
+  21.1.3.6 String.prototype.endsWith ( searchString [ , endPosition] )
+
+  ...
+  10. If endPosition is undefined, let pos be len, else let pos be
+  ToInteger(endPosition).
+  11. ReturnIfAbrupt(pos).
+  12. Let end be min(max(pos, 0), len).
+  13. Let searchLength be the number of elements in searchStr.
+  14. Let start be end - searchLength.
+  15. If start is less than 0, return false.
+  16. If the sequence of elements of S starting at start of length searchLength
+  is the same as the full element sequence of searchStr, return true.
+  ...
+features: [String.prototype.endsWith]
+---*/
+
+var str = 'The future is cool!';
+
+assert(
+  str.endsWith(''),
+  'str.endsWith("") returns true'
+);
+
+assert(
+  str.endsWith('', str.length),
+  'str.endsWith("", str.length) returns true'
+);
+
+assert(
+  str.endsWith('', Infinity),
+  'str.endsWith("", Infinity) returns true'
+);
+
+assert(
+  str.endsWith('', -1),
+  'str.endsWith("", -1) returns true'
+);
+
+assert(
+  str.endsWith('', -Infinity),
+  'str.endsWith("", -Infinity) returns true'
+);
+
+reportCompare(0, 0);