got it!

[dygraphs.git] / auto_tests / tests / utils_test.js

diff --git a/auto_tests/tests/utils_test.js b/auto_tests/tests/utils_test.js
index 05f7169..9c8974c 100644 (file)
--- a/auto_tests/tests/utils_test.js
+++ b/auto_tests/tests/utils_test.js
@@ -156,4 +156,17 @@ UtilsTestCase.prototype.testIterator_whole_array = function() {
   assertEquals('c', iter.next());
   assertFalse(iter.hasNext());
   assertNull(iter.next());
-}
\ No newline at end of file
+}
+
+UtilsTestCase.prototype.testIterator_no_args = function() {
+  var array = ['a', 'b', 'c'];
+  var iter = Dygraph.createIterator(array);
+  assertTrue(iter.hasNext());
+  assertEquals('a', iter.next());
+  assertTrue(iter.hasNext());
+  assertEquals('b', iter.next());
+  assertTrue(iter.hasNext());
+  assertEquals('c', iter.next());
+  assertFalse(iter.hasNext());
+  assertNull(iter.next());
+}