From b213dfdd87c96e47765afce87a2f4ca0c53f5cd7 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Thu, 13 Feb 2014 20:24:32 +0100
Subject: [PATCH] com.intellij.index.IndexTest._testSkipUnknownFileTypes

---
 .../testSrc/com/intellij/index/IndexTest.java | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/java/java-tests/testSrc/com/intellij/index/IndexTest.java b/java/java-tests/testSrc/com/intellij/index/IndexTest.java
index 562ff74df869..29def05d4378 100644
--- a/java/java-tests/testSrc/com/intellij/index/IndexTest.java
+++ b/java/java-tests/testSrc/com/intellij/index/IndexTest.java
@@ -18,6 +18,7 @@ package com.intellij.index;
 import com.intellij.openapi.command.WriteCommandAction;
 import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.fileEditor.FileDocumentManager;
+import com.intellij.openapi.fileTypes.UnknownFileType;
 import com.intellij.openapi.util.Factory;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.openapi.vfs.VfsUtil;
@@ -25,6 +26,7 @@ import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.*;
 import com.intellij.psi.impl.PsiManagerEx;
 import com.intellij.psi.search.GlobalSearchScope;
+import com.intellij.psi.search.PsiSearchHelper;
 import com.intellij.testFramework.IdeaTestCase;
 import com.intellij.testFramework.PlatformTestUtil;
 import com.intellij.testFramework.PsiTestUtil;
@@ -264,5 +266,43 @@ public class IndexTest extends IdeaTestCase {
       }
     });
   }
+
+  public void _testSkipUnknownFileTypes() throws IOException {
+    VirtualFile dir = getVirtualFile(createTempDirectory());
+    PsiTestUtil.addSourceContentToRoots(myModule, dir);
+
+    final VirtualFile vFile = createChildData(dir, "Foo.test");
+    VfsUtil.saveText(vFile, "Foo");
+    assertEquals(UnknownFileType.INSTANCE, vFile.getFileType());
+    assertEmpty(PsiSearchHelper.SERVICE.getInstance(myProject).findFilesWithPlainTextWords("Foo"));
+
+    final Document document = FileDocumentManager.getInstance().getDocument(vFile);
+    //todo should file type be changed silently without events?
+    //assertEquals(UnknownFileType.INSTANCE, vFile.getFileType());
+    
+    final PsiFile file = getPsiFile(document);
+    assertInstanceOf(file, PsiPlainTextFile.class);
+    assertEquals("Foo", file.getText());
+    
+    assertEmpty(PsiSearchHelper.SERVICE.getInstance(myProject).findFilesWithPlainTextWords("Foo"));
+
+    WriteCommandAction.runWriteCommandAction(myProject, new Runnable() {
+      @Override
+      public void run() {
+        document.insertString(0, " ");
+        assertEquals("Foo", file.getText());
+        assertEmpty(PsiSearchHelper.SERVICE.getInstance(myProject).findFilesWithPlainTextWords("Foo"));
+
+        FileDocumentManager.getInstance().saveDocument(document);
+        assertEquals("Foo", file.getText());
+        assertEmpty(PsiSearchHelper.SERVICE.getInstance(myProject).findFilesWithPlainTextWords("Foo"));
+        
+        PsiDocumentManager.getInstance(myProject).commitAllDocuments();
+        assertEquals(" Foo", file.getText());
+        assertEmpty(PsiSearchHelper.SERVICE.getInstance(myProject).findFilesWithPlainTextWords("Foo"));
+        
+      }
+    });
+  }
   
 }