DirectoryIndex: fixed 'isIgnored' for ignored files

java/java-tests/testSrc/com/intellij/openapi/roots/impl/DirectoryIndexTest.java

@@ -358,6 +358,13 @@ public class DirectoryIndexTest extends IdeaTestCase {
     }
   }
 
+  public void testIgnoredFile() throws IOException {
+    VirtualFile ignoredFile = myModule1Dir.createChildData(this, "CVS");
+    DirectoryInfo info = myIndex.getInfoForFile(ignoredFile);
+    assertTrue(info.isIgnored());
+    assertTrue(ProjectRootManager.getInstance(myProject).getFileIndex().isIgnored(ignoredFile));
+  }
+
   public void testAddModule() throws Exception {
     myIndex.checkConsistency();
 

platform/projectModel-impl/src/com/intellij/openapi/roots/impl/RootIndex.java

@@ -272,6 +272,9 @@ public class RootIndex extends DirectoryIndex {
       if (info != null) {
         return info;
       }
+      if (isIgnored(file)) {
+        return NonProjectDirectoryInfo.IGNORED;
+      }
       dir = file.getParent();
     }
     else {