From 0fc864459fc62ca3417c453ef0bcd18607e9569e Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Tue, 3 Apr 2012 14:07:33 +0400
Subject: [PATCH] mock tests

---
 .../core-impl/src/com/intellij/psi/impl/PsiManagerImpl.java  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/platform/core-impl/src/com/intellij/psi/impl/PsiManagerImpl.java b/platform/core-impl/src/com/intellij/psi/impl/PsiManagerImpl.java
index 67115b4ffdfb..d473589db14b 100644
--- a/platform/core-impl/src/com/intellij/psi/impl/PsiManagerImpl.java
+++ b/platform/core-impl/src/com/intellij/psi/impl/PsiManagerImpl.java
@@ -107,7 +107,10 @@ public class PsiManagerImpl extends PsiManagerEx {
 
   @Override
   public void dropResolveCaches() {
-    ((FileManagerImpl)myFileManager).processQueue();
+    FileManager fileManager = myFileManager;
+    if (fileManager instanceof FileManagerImpl) { // mock tests
+      ((FileManagerImpl)fileManager).processQueue();
+    }
     beforeChange(true);
     beforeChange(false);
   }