fixed gpu tests

modules/gpu/test/test_calib3d.cpp

@@ -88,17 +88,21 @@ TEST_P(StereoBlockMatching, Regression)
     ASSERT_TRUE(!img_l.empty() && !img_r.empty() && !img_template.empty());
 
     PRINT_PARAM(devInfo);
+    
+    cv::Mat disp;
 
-    cv::gpu::GpuMat disp;
-    cv::gpu::StereoBM_GPU bm(0, 128, 19);
+    ASSERT_NO_THROW(
+        cv::gpu::GpuMat dev_disp;
+        cv::gpu::StereoBM_GPU bm(0, 128, 19);
 
-    bm(cv::gpu::GpuMat(img_l), cv::gpu::GpuMat(img_r), disp);
+        bm(cv::gpu::GpuMat(img_l), cv::gpu::GpuMat(img_r), dev_disp);
+        
+        dev_disp.download(disp);
+    );
 
     disp.convertTo(disp, img_template.type());
-
-    ASSERT_EQ(img_template.size(), disp.size());
-    double norm = cv::norm(img_template, (cv::Mat)disp, cv::NORM_INF);
-    ASSERT_EQ(0.0, norm);
+    
+    EXPECT_MAT_NEAR(img_template, disp, 0.0);
 }
 
 INSTANTIATE_TEST_CASE_P(Calib3D, StereoBlockMatching, testing::ValuesIn(devices()));
@@ -122,16 +126,20 @@ TEST_P(StereoBeliefPropagation, Regression)
 
     PRINT_PARAM(devInfo);
 
-    cv::gpu::GpuMat disp;
-    cv::gpu::StereoBeliefPropagation bpm(64, 8, 2, 25, 0.1f, 15, 1, CV_16S);
+    cv::Mat disp;
 
-    bpm(cv::gpu::GpuMat(img_l), cv::gpu::GpuMat(img_r), disp);
+    ASSERT_NO_THROW(
+        cv::gpu::GpuMat dev_disp;
+        cv::gpu::StereoBeliefPropagation bpm(64, 8, 2, 25, 0.1f, 15, 1, CV_16S);
 
-    disp.convertTo(disp, img_template.type());
+        bpm(cv::gpu::GpuMat(img_l), cv::gpu::GpuMat(img_r), dev_disp);
+        
+        dev_disp.download(disp);
+    );
 
-    ASSERT_EQ(img_template.size(), disp.size());
-    double norm = cv::norm(img_template, (cv::Mat)disp, cv::NORM_INF);
-    ASSERT_EQ(0.0, norm);
+    disp.convertTo(disp, img_template.type());
+    
+    EXPECT_MAT_NEAR(img_template, disp, 0.0);
 }
 
 INSTANTIATE_TEST_CASE_P(Calib3D, StereoBeliefPropagation, testing::ValuesIn(devices()));
@@ -164,16 +172,20 @@ TEST_P(StereoConstantSpaceBP, Regression)
 
     PRINT_PARAM(devInfo);
 
-    cv::gpu::GpuMat disp;
-    cv::gpu::StereoConstantSpaceBP bpm(128, 16, 4, 4);
+    cv::Mat disp;
 
-    bpm(cv::gpu::GpuMat(img_l), cv::gpu::GpuMat(img_r), disp);
+    ASSERT_NO_THROW(
+        cv::gpu::GpuMat dev_disp;
+        cv::gpu::StereoConstantSpaceBP bpm(128, 16, 4, 4);
 
-    disp.convertTo(disp, img_template.type());
+        bpm(cv::gpu::GpuMat(img_l), cv::gpu::GpuMat(img_r), dev_disp);
+        
+        dev_disp.download(disp);
+    );
 
-    ASSERT_EQ(img_template.size(), disp.size());
-    double norm = cv::norm(img_template, (cv::Mat)disp, cv::NORM_INF);
-    ASSERT_EQ(0.0, norm);
+    disp.convertTo(disp, img_template.type());
+    
+    EXPECT_MAT_NEAR(img_template, disp, 1.0);
 }
 
 INSTANTIATE_TEST_CASE_P(Calib3D, StereoConstantSpaceBP, testing::ValuesIn(devices()));

modules/gpu/test/test_imgproc.cpp

@@ -1629,7 +1629,7 @@ TEST_P(MeanShiftSegmentation, Regression)
     cv::Mat dst_rgb;
     cv::cvtColor(dst, dst_rgb, CV_BGRA2BGR);
 
-    EXPECT_MAT_SIMILAR(dst_gold, dst_rgb, 1e-5);
+    EXPECT_MAT_SIMILAR(dst_gold, dst_rgb, 1e-3);
 }
 
 INSTANTIATE_TEST_CASE_P(ImgProc, MeanShiftSegmentation, testing::Combine(

modules/gpu/test/test_matop.cpp

@@ -421,9 +421,9 @@ TEST_P(CopyTo, Masked)
 
     cv::RNG& rng = cvtest::TS::ptr()->get_rng();
 
-    cv::Mat mask = cvtest::randomMat(rng, src.size(), CV_8UC1, 0.0, 1.5, false);
+    cv::Mat mask = cvtest::randomMat(rng, src.size(), CV_8UC1, 0.0, 2.0, false);
 
-    cv::Mat dst_gold;
+    cv::Mat dst_gold(src.size(), src.type(), cv::Scalar::all(0));
     src.copyTo(dst_gold, mask);
 
     cv::Mat dst;
@@ -431,7 +431,7 @@ TEST_P(CopyTo, Masked)
     ASSERT_NO_THROW(
         cv::gpu::GpuMat dev_src(src);
 
-        cv::gpu::GpuMat dev_dst;
+        cv::gpu::GpuMat dev_dst(src.size(), src.type(), cv::Scalar::all(0));
 
         dev_src.copyTo(dev_dst, cv::gpu::GpuMat(mask));