From 81b9f9b16b9a2d5e6269ceb69415ea692583f11f Mon Sep 17 00:00:00 2001
From: Kirill Kornyakov <kirill.kornyakov@itseez.com>
Date: Mon, 11 Feb 2013 14:58:38 +0400
Subject: [PATCH] Added a test that documents that negative numbers are not
 clipped by cv::saturate_cast

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

diff --git a/modules/core/test/test_misc.cpp b/modules/core/test/test_misc.cpp
index 5515ebff2..5af419c93 100644
--- a/modules/core/test/test_misc.cpp
+++ b/modules/core/test/test_misc.cpp
@@ -39,4 +39,12 @@ TEST(Core_OutputArraySreate, _1997)
     Size submatSize = Size(256, 256);
 
     ASSERT_NO_THROW(local::create( mat(Rect(Point(), submatSize)), submatSize, mat.type() ));
-}
\ No newline at end of file
+}
+
+TEST(Core_SaturateCast, NegativeNotClipped)
+{
+    double d = -1.0;
+    unsigned int val = cv::saturate_cast<unsigned int>(d);
+
+    ASSERT_EQ(0xffffffff, val);
+}