From a96604511ebd49cfb547d2a6a84ca192d74ebbfd Mon Sep 17 00:00:00 2001
From: Peter Gromov <peter@jetbrains.com>
Date: Mon, 12 Jan 2009 13:51:07 +0300
Subject: [PATCH] assertion

---
 lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java b/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
index 8acd8cfe0f..dba65bbd1c 100644
--- a/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
+++ b/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
@@ -383,6 +383,10 @@ public class LookupImpl extends LightweightHint implements Lookup, Disposable {
   public Point calculatePosition(){
     Dimension dim = getComponent().getPreferredSize();
     int lookupStart = getLookupStart();
+    if (lookupStart < 0) {
+      LOG.assertTrue(false, lookupStart + "; minprefix=" + myMinPrefixLength + "; offset=" + myEditor.getCaretModel().getOffset() + "; element=" + getPsiElement());
+    }
+
     LogicalPosition pos = myEditor.offsetToLogicalPosition(lookupStart);
     Point location = myEditor.logicalPositionToXY(pos);
     location.y += myEditor.getLineHeight();
-- 
2.11.4.GIT