From 9f29e330542524d817c2fa4794af447cf6a1d1d4 Mon Sep 17 00:00:00 2001
From: Mike McCandless <mikemccand@apache.org>
Date: Sat, 5 Mar 2016 04:57:14 -0500
Subject: [PATCH] fix very rare test bug that I somehow hit

---
 .../org/apache/lucene/facet/range/TestRangeFacetCounts.java  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lucene/facet/src/test/org/apache/lucene/facet/range/TestRangeFacetCounts.java b/lucene/facet/src/test/org/apache/lucene/facet/range/TestRangeFacetCounts.java
index e7e5d572088..9fde6e3ed9f 100644
--- a/lucene/facet/src/test/org/apache/lucene/facet/range/TestRangeFacetCounts.java
+++ b/lucene/facet/src/test/org/apache/lucene/facet/range/TestRangeFacetCounts.java
@@ -421,7 +421,10 @@ public class TestRangeFacetCounts extends FacetTestCase {
         }
         boolean minIncl;
         boolean maxIncl;
-        if (min == max) {
+
+        // NOTE: max - min >= 0 is here to handle the common overflow case!
+        if (max - min >= 0 && max - min < 2) {
+          // If max == min or max == min+1, we always do inclusive, else we might pass an empty range and hit exc from LongRange's ctor:
           minIncl = true;
           maxIncl = true;
         } else {