From 08f79dc3cd4d77c1d59e82d777afda2aae0e3217 Mon Sep 17 00:00:00 2001
From: Aleksey Pivovarov <Aleksey.Pivovarov@jetbrains.com>
Date: Tue, 18 Feb 2014 11:48:30 +0400
Subject: [PATCH] diff: do not try to create empty LineFragment

fix assertion
---
 .../diff/impl/processing/DummyDiffFragmentsProcessor.java  | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/platform/util/src/com/intellij/openapi/diff/impl/processing/DummyDiffFragmentsProcessor.java b/platform/util/src/com/intellij/openapi/diff/impl/processing/DummyDiffFragmentsProcessor.java
index 10753bbec21e..8da7510145b8 100644
--- a/platform/util/src/com/intellij/openapi/diff/impl/processing/DummyDiffFragmentsProcessor.java
+++ b/platform/util/src/com/intellij/openapi/diff/impl/processing/DummyDiffFragmentsProcessor.java
@@ -26,11 +26,12 @@ public class DummyDiffFragmentsProcessor {
   public ArrayList<LineFragment> process(String text1, String text2) {
     ArrayList<LineFragment> lineFragments = new ArrayList<LineFragment>();
 
-    TextDiffTypeEnum type;
     if (text1.isEmpty() && text2.isEmpty()) {
-      type = TextDiffTypeEnum.NONE;
+      return lineFragments;
     }
-    else if (text1.isEmpty()) {
+
+    TextDiffTypeEnum type;
+    if (text1.isEmpty()) {
       type = TextDiffTypeEnum.INSERT;
     }
     else if (text2.isEmpty()) {