From d22e07bf6c1c3cfcc6e5a5a25d4fcfa8ee385bf4 Mon Sep 17 00:00:00 2001
From: Robin Dunn <robin@alldunn.com>
Date: Tue, 2 Nov 2010 03:09:27 +0000
Subject: [PATCH] Add some asserts to ensure cols and rows are >= 0 to avoid
 crashes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65987 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/common/sizer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index 535cae56c5..959ba220a8 100644
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -1319,6 +1319,7 @@ wxGridSizer::wxGridSizer( int cols, int vgap, int hgap )
       m_vgap( vgap ),
       m_hgap( hgap )
 {
+    wxASSERT(cols >= 0);
 }
 
 wxGridSizer::wxGridSizer( int cols, const wxSize& gap )
@@ -1327,6 +1328,7 @@ wxGridSizer::wxGridSizer( int cols, const wxSize& gap )
       m_vgap( gap.GetHeight() ),
       m_hgap( gap.GetWidth() )
 {
+    wxASSERT(cols >= 0);
 }
 
 wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap )
@@ -1335,6 +1337,7 @@ wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap )
       m_vgap( vgap ),
       m_hgap( hgap )
 {
+    wxASSERT(rows >= 0 && cols >= 0);
 }
 
 wxGridSizer::wxGridSizer( int rows, int cols, const wxSize& gap )
@@ -1343,6 +1346,7 @@ wxGridSizer::wxGridSizer( int rows, int cols, const wxSize& gap )
       m_vgap( gap.GetHeight() ),
       m_hgap( gap.GetWidth() )
 {
+    wxASSERT(rows >= 0 && cols >= 0);
 }
 
 wxSizerItem *wxGridSizer::DoInsert(size_t index, wxSizerItem *item)
-- 
2.50.0