fixed tests (call resetDevice, if there was a gpu failure)

modules/gpu/test/test_warp_affine.cpp

@@ -48,6 +48,7 @@ namespace
     cv::Mat createTransfomMatrix(cv::Size srcSize, double angle)
     {
         cv::Mat M(2, 3, CV_64FC1);
+
         M.at<double>(0, 0) = std::cos(angle); M.at<double>(0, 1) = -std::sin(angle); M.at<double>(0, 2) = srcSize.width / 2;
         M.at<double>(1, 0) = std::sin(angle); M.at<double>(1, 1) =  std::cos(angle); M.at<double>(1, 2) = 0.0;
 
@@ -74,22 +75,23 @@ PARAM_TEST_CASE(BuildWarpAffineMaps, cv::gpu::DeviceInfo, cv::Size, Inverse)
     }
 };
 
-TEST_P(BuildWarpAffineMaps, Accuracy)
+GPU_TEST_P(BuildWarpAffineMaps, Accuracy)
 {
     cv::Mat M = createTransfomMatrix(size, CV_PI / 4);
+    cv::Mat src = randomMat(randomSize(200, 400), CV_8UC1);
+
     cv::gpu::GpuMat xmap, ymap;
     cv::gpu::buildWarpAffineMaps(M, inverse, size, xmap, ymap);
 
     int interpolation = cv::INTER_NEAREST;
     int borderMode = cv::BORDER_CONSTANT;
-
-    cv::Mat src = randomMat(randomSize(200, 400), CV_8UC1);
-    cv::Mat dst;
-    cv::remap(src, dst, cv::Mat(xmap), cv::Mat(ymap), interpolation, borderMode);
-
     int flags = interpolation;
     if (inverse)
         flags |= cv::WARP_INVERSE_MAP;
+
+    cv::Mat dst;
+    cv::remap(src, dst, cv::Mat(xmap), cv::Mat(ymap), interpolation, borderMode);
+
     cv::Mat dst_gold;
     cv::warpAffine(src, dst_gold, M, size, flags, borderMode);
 
@@ -199,7 +201,7 @@ PARAM_TEST_CASE(WarpAffine, cv::gpu::DeviceInfo, cv::Size, MatType, Inverse, Int
     }
 };
 
-TEST_P(WarpAffine, Accuracy)
+GPU_TEST_P(WarpAffine, Accuracy)
 {
     cv::Mat src = randomMat(size, type);
     cv::Mat M = createTransfomMatrix(size, CV_PI / 3);
@@ -247,7 +249,7 @@ PARAM_TEST_CASE(WarpAffineNPP, cv::gpu::DeviceInfo, MatType, Inverse, Interpolat
     }
 };
 
-TEST_P(WarpAffineNPP, Accuracy)
+GPU_TEST_P(WarpAffineNPP, Accuracy)
 {
     cv::Mat src = readImageType("stereobp/aloe-L.png", type);
     cv::Mat M = createTransfomMatrix(src.size(), CV_PI / 4);