From f7a273cfb349b9be912512293f5599d7c19b0bf5 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Fri, 1 Sep 2017 08:20:43 +0300
Subject: [PATCH] core(test): regression test for 9507

---
 modules/core/test/test_mat.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/modules/core/test/test_mat.cpp b/modules/core/test/test_mat.cpp
index 4145895d12..70675127ba 100644
--- a/modules/core/test/test_mat.cpp
+++ b/modules/core/test/test_mat.cpp
@@ -1399,13 +1399,22 @@ TEST(Core_Matx, fromMat_)
 }
 
 #ifdef CV_CXX11
+
 TEST(Core_Matx, from_initializer_list)
 {
     Mat_<double> a = (Mat_<double>(2,2) << 10, 11, 12, 13);
     Matx22d b = {10, 11, 12, 13};
     ASSERT_EQ( cvtest::norm(a, b, NORM_INF), 0.);
 }
-#endif
+
+TEST(Core_Mat, regression_9507)
+{
+    cv::Mat m = Mat::zeros(5, 5, CV_8UC3);
+    cv::Mat m2{m};
+    EXPECT_EQ(25u, m2.total());
+}
+
+#endif // CXX11
 
 TEST(Core_InputArray, empty)
 {