From 418c0d9d91ff169a20331744b0ec367b65b2138a Mon Sep 17 00:00:00 2001
From: Cyrus Najmabadi <cyrusn@microsoft.com>
Date: Tue, 9 Dec 2014 17:57:13 -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 38b1716e21a..531388b5cab 100644
--- a/tests/cases/unittests/incrementalParser.ts
+++ b/tests/cases/unittests/incrementalParser.ts
@@ -481,6 +481,16 @@ module ts {
             compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, 0);
         });
 
+        it('Test generic invocation to contextual shift',() => {
+            var source = "var v = Foo<Bar<T>>(2)";
+
+            var index = source.indexOf('Foo<Bar<');
+            var oldText = ScriptSnapshot.fromString(source);
+            var newTextAndChange = withDelete(oldText, index, "Foo<Bar<".length);
+
+            compareTrees(oldText, newTextAndChange.text, newTextAndChange.textChangeRange, 0);
+        });
+
         // Simulated typing tests.
 
         it('Type extends clause 1',() => {