From bbfffa7865681b4af530f2f0af19e674ec18da82 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Sun, 10 Mar 2013 10:47:19 +0100
Subject: [PATCH] allow empty weigher arrays

---
 .../codeInsight/completion/impl/CompletionSorterImpl.java   | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/completion/impl/CompletionSorterImpl.java b/platform/lang-impl/src/com/intellij/codeInsight/completion/impl/CompletionSorterImpl.java
index 6fd844bfd2a4..d1ee57108e74 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/completion/impl/CompletionSorterImpl.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/completion/impl/CompletionSorterImpl.java
@@ -47,7 +47,8 @@ public class CompletionSorterImpl extends CompletionSorter {
   }
 
   @Override public CompletionSorterImpl weighBefore(@NotNull final String beforeId, LookupElementWeigher... weighers) {
-    assert weighers.length > 0 : "there should be weighers";
+    if (weighers.length == 0) return this;
+
     CompletionSorterImpl result = this;
     for (LookupElementWeigher weigher : weighers) {
       result = result.withClassifier(beforeId, true, weighingFactory(weigher));
@@ -56,7 +57,8 @@ public class CompletionSorterImpl extends CompletionSorter {
   }
 
   @Override public CompletionSorterImpl weighAfter(@NotNull final String afterId, LookupElementWeigher... weighers) {
-    assert weighers.length > 0 : "there should be weighers";
+    if (weighers.length == 0) return this;
+
     CompletionSorterImpl result = this;
     for (int i = weighers.length - 1; i >= 0; i--) {
       LookupElementWeigher weigher = weighers[i];