From 2c2b1405a351ca9167a8c10a69cb5fb576e879b0 Mon Sep 17 00:00:00 2001
From: Vladislav Sovrasov <sovrasov.vlad@gmail.com>
Date: Tue, 23 May 2017 12:20:48 +0300
Subject: [PATCH] Add test for Mat_::release()

---
 modules/core/test/test_mat.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/modules/core/test/test_mat.cpp b/modules/core/test/test_mat.cpp
index 7f2451e842..9ec196ba66 100644
--- a/modules/core/test/test_mat.cpp
+++ b/modules/core/test/test_mat.cpp
@@ -1725,4 +1725,12 @@ TEST(Core_Mat_array, SplitMerge)
         EXPECT_EQ(0, countNonZero(diff));
     }
 }
-#endif
\ No newline at end of file
+#endif
+
+TEST(Mat, regression_8680)
+{
+   Mat_<Point2i> mat(3,1);
+   ASSERT_EQ(mat.channels(), 2);
+   mat.release();
+   ASSERT_EQ(mat.channels(), 2);
+}