From 4a734f774ac633a99d193b7fdc2b2f9d89410d77 Mon Sep 17 00:00:00 2001
From: Vadim Pisarevsky <no@email>
Date: Tue, 13 Jul 2010 14:54:42 +0000
Subject: [PATCH] fixed ds-graphscan test (trac #461)

---
 tests/cxcore/src/adatastruct.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/cxcore/src/adatastruct.cpp b/tests/cxcore/src/adatastruct.cpp
index 4feac3decb..fe1aeffe42 100644
--- a/tests/cxcore/src/adatastruct.cpp
+++ b/tests/cxcore/src/adatastruct.cpp
@@ -2274,13 +2274,13 @@ void CxCore_GraphScanTest::run( int )
                 if( !vtx_mask || vtx_mask->cols < graph->active_count )
                 {
                     cvReleaseMat( &vtx_mask );
-                    CV_CALL( vtx_mask = cvCreateMat( 1, graph->active_count, CV_8UC1 ));
+                    CV_CALL( vtx_mask = cvCreateMat( 1, MAX(graph->active_count, 1), CV_8UC1 ));
                 }
 
                 if( !edge_mask || edge_mask->cols < graph->edges->active_count )
                 {
                     cvReleaseMat( &edge_mask );
-                    CV_CALL( edge_mask = cvCreateMat( 1, graph->edges->active_count, CV_8UC1 ));
+                    CV_CALL( edge_mask = cvCreateMat( 1, MAX(graph->edges->active_count, 1), CV_8UC1 ));
                 }
 
                 cvZero( vtx_mask );