diff --git a/types/rangy/rangy-tests.ts b/types/rangy/rangy-tests.ts
index fac44c868c..5febe59cf0 100644
--- a/types/rangy/rangy-tests.ts
+++ b/types/rangy/rangy-tests.ts
@@ -94,4 +94,8 @@ function testSelection() {
     selection.setRanges(ranges);
     selection.setSingleRange(getRangyRange());
     assertString(selection.toHtml());
+    var node:Node = new Node();
+    object = selection.saveCharacterRanges(node);
+    selection.restoreCharacterRanges(node, object);
+    assertString(selection.toHtml());
 }