From a268cbf2d8c065893405445ec532d9e2fa100a70 Mon Sep 17 00:00:00 2001
From: Cyrus Najmabadi <cyrusn@microsoft.com>
Date: Tue, 9 Dec 2014 16:50:31 -0800
Subject: [PATCH] Add incremental test.

---
 tests/cases/unittests/incrementalParser.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/cases/unittests/incrementalParser.ts b/tests/cases/unittests/incrementalParser.ts
index 260a6855b5e..9a80c400899 100644
--- a/tests/cases/unittests/incrementalParser.ts
+++ b/tests/cases/unittests/incrementalParser.ts
@@ -177,5 +177,15 @@ module ts {
             var newTextAndChange = withDelete(oldText, index, "+ 1".length);
             compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, 0);
         });
+
+        it('Regular expression 1', () => {
+            var source = "class C { public foo1() { /; } public foo2() { return 1;} public foo3() { } }";
+
+            var semicolonIndex = source.indexOf(";}");
+
+            var oldText = ScriptSnapshot.fromString(source);
+            var newTextAndChange = withInsert(oldText, semicolonIndex, "/");
+            compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, 0);
+        });
     });
 }
\ No newline at end of file