From 7071bd63ab54634396284a093ae35ffc93f66b43 Mon Sep 17 00:00:00 2001
From: Kirill Kornyakov <kirill.kornyakov@itseez.com>
Date: Mon, 11 Feb 2013 15:25:15 +0400
Subject: [PATCH 1/2] Added two tests to highlight bug #2788

---
 modules/core/test/test_arithm.cpp | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/modules/core/test/test_arithm.cpp b/modules/core/test/test_arithm.cpp
index 43120cfd86..b8e88c53d4 100644
--- a/modules/core/test/test_arithm.cpp
+++ b/modules/core/test/test_arithm.cpp
@@ -1530,4 +1530,24 @@ TEST(Multiply, FloatingPointRounding)
     cv::multiply(src, s, dst, 1, CV_16U);
     // with CV_32F this produce result 16202
     ASSERT_EQ(dst.at<ushort>(0,0), 16201);
-}
\ No newline at end of file
+}
+
+TEST(Core_Add, AddToColumnWhen3Rows)
+{
+    cv::Mat m1 = (cv::Mat_<double>(3, 2) << 1, 2, 3, 4, 5, 6);
+    m1.col(1) += 10;
+
+    cv::Mat m2 = (cv::Mat_<double>(3, 2) << 1, 12, 3, 14, 5, 16);
+
+    ASSERT_EQ(0, countNonZero(m1 - m2));
+}
+
+TEST(Core_Add, DISABLED_AddToColumnWhen4Rows)
+{
+    cv::Mat m1 = (cv::Mat_<double>(4, 2) << 1, 2, 3, 4, 5, 6, 7, 8);
+    m1.col(1) += 10;
+
+    cv::Mat m2 = (cv::Mat_<double>(4, 2) << 1, 12, 3, 14, 5, 16, 7, 18);
+
+    ASSERT_EQ(0, countNonZero(m1 - m2));
+}

From 74e56503504a9038e518d847d8eedc5334c1c044 Mon Sep 17 00:00:00 2001
From: Kirill Kornyakov <kirill.kornyakov@itseez.com>
Date: Mon, 11 Feb 2013 16:53:41 +0400
Subject: [PATCH 2/2] Reenabled second test

---
 modules/core/test/test_arithm.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/core/test/test_arithm.cpp b/modules/core/test/test_arithm.cpp
index b8e88c53d4..ebc9eae640 100644
--- a/modules/core/test/test_arithm.cpp
+++ b/modules/core/test/test_arithm.cpp
@@ -1542,7 +1542,7 @@ TEST(Core_Add, AddToColumnWhen3Rows)
     ASSERT_EQ(0, countNonZero(m1 - m2));
 }
 
-TEST(Core_Add, DISABLED_AddToColumnWhen4Rows)
+TEST(Core_Add, AddToColumnWhen4Rows)
 {
     cv::Mat m1 = (cv::Mat_<double>(4, 2) << 1, 2, 3, 4, 5, 6, 7, 8);
     m1.col(1) += 10;