diff --git a/tests/gpu/src/gputest.cpp b/tests/gpu/src/gputest_main.cpp
similarity index 100%
rename from tests/gpu/src/gputest.cpp
rename to tests/gpu/src/gputest_main.cpp
diff --git a/tests/gpu/src/meanshift.cpp b/tests/gpu/src/meanshift.cpp
index 84e24e3ffa..072af98696 100644
--- a/tests/gpu/src/meanshift.cpp
+++ b/tests/gpu/src/meanshift.cpp
@@ -40,23 +40,25 @@
 //M*/
 
 #include "gputest.hpp"
+#include <opencv2/opencv.hpp>
+#include <opencv2/gpu/gpu.hpp>
+
 #include <iostream>
 #include <string>
 
-#include <opencv2/opencv.hpp>
-#include <opencv2/gpu/gpu.hpp>
 
-class CV_GpuMeanShift : public CvTest
+class CV_GpuMeanShiftTest : public CvTest
 {
-    public:
-        CV_GpuMeanShift();
-    protected:
-        void run(int);
+public:
+    CV_GpuMeanShiftTest();
+
+protected:
+    void run(int);
 };
 
-CV_GpuMeanShift::CV_GpuMeanShift(): CvTest( "GPU-MeanShift", "MeanShift" ){}
+CV_GpuMeanShiftTest::CV_GpuMeanShiftTest(): CvTest( "GPU-MeanShift", "MeanShift" ){}
 
-void CV_GpuMeanShift::run(int)
+void CV_GpuMeanShiftTest::run(int)
 {
         int spatialRad = 30;
         int colorRad = 30;
@@ -107,4 +109,4 @@ void CV_GpuMeanShift::run(int)
         ts->set_failed_test_info((maxDiff == 0) ? CvTS::OK : CvTS::FAIL_GENERIC);
 }
 
-CV_GpuMeanShift CV_GpuMeanShift_test;
\ No newline at end of file
+CV_GpuMeanShiftTest CV_GpuMeanShift_test;
\ No newline at end of file
diff --git a/tests/gpu/src/operator_async_call.cpp b/tests/gpu/src/operator_async_call.cpp
index 5c1dbc5e3e..6033e670ff 100644
--- a/tests/gpu/src/operator_async_call.cpp
+++ b/tests/gpu/src/operator_async_call.cpp
@@ -42,6 +42,7 @@
 #include "gputest.hpp"
 #include "highgui.h"
 #include "cv.h"
+
 #include <string>
 #include <iostream>
 #include <fstream>
@@ -54,26 +55,24 @@ using namespace cv;
 using namespace std;
 using namespace gpu;
 
-class CV_GpuMatASyncCall : public CvTest
+class CV_GpuMatAsyncCallTest : public CvTest
 {
     public:
-        CV_GpuMatASyncCall();
-        ~CV_GpuMatASyncCall();
-    protected:
+        CV_GpuMatAsyncCallTest();
+        ~CV_GpuMatAsyncCallTest();
 
+    protected:
+        void run(int);
         template <typename T>
         void print_mat(const T & mat, const std::string & name) const;
-
-        void run(int);
-
-        bool compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat);
+        bool compare_matrix(cv::Mat & cpumat);
 
     private:
         int rows;
         int cols;
 };
 
-CV_GpuMatASyncCall::CV_GpuMatASyncCall(): CvTest( "GPU-MatOperatorASyncCall", "async" )
+CV_GpuMatAsyncCallTest::CV_GpuMatAsyncCallTest(): CvTest( "GPU-MatOperatorAsyncCall", "async" )
 {
     rows = 234;
     cols = 123;
@@ -81,15 +80,15 @@ CV_GpuMatASyncCall::CV_GpuMatASyncCall(): CvTest( "GPU-MatOperatorASyncCall", "a
     //#define PRINT_MATRIX
 }
 
-CV_GpuMatASyncCall::~CV_GpuMatASyncCall() {}
+CV_GpuMatAsyncCallTest::~CV_GpuMatAsyncCallTest() {}
 
 template<typename T>
-void CV_GpuMatASyncCall::print_mat(const T & mat, const std::string & name) const
+void CV_GpuMatAsyncCallTest::print_mat(const T & mat, const std::string & name) const
 {
     cv::imshow(name, mat);
 }
 
-bool CV_GpuMatASyncCall::compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat)
+bool CV_GpuMatAsyncCallTest::compare_matrix(cv::Mat & cpumat)
 {
     Mat cmat(cpumat.size(), cpumat.type(), Scalar::all(0));
     GpuMat gmat0(cmat);
@@ -132,19 +131,19 @@ bool CV_GpuMatASyncCall::compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat)
         return true;
     else
     {
-        std::cout << "return : " << ret << "\n";
+        ts->printf(CvTS::CONSOLE, "\nNorm: %f\n", ret);
         return false;
     }
 }
 
-void CV_GpuMatASyncCall::run( int /* start_from */)
+void CV_GpuMatAsyncCallTest::run( int /* start_from */)
 {
     bool is_test_good = true;
 
     Mat cpumat(rows, cols, CV_8U);
     cpumat.setTo(Scalar::all(127));
-    GpuMat gpumat(cpumat);
-    is_test_good &= compare_matrix(cpumat, gpumat);
+
+    is_test_good &= compare_matrix(cpumat);
 
     if (is_test_good == true)
         ts->set_failed_test_info(CvTS::OK);
@@ -152,4 +151,4 @@ void CV_GpuMatASyncCall::run( int /* start_from */)
         ts->set_failed_test_info(CvTS::FAIL_GENERIC);
 }
 
-CV_GpuMatASyncCall CV_GpuMatASyncCall_test;
+CV_GpuMatAsyncCallTest CV_GpuMatAsyncCall_test;
diff --git a/tests/gpu/src/convert_to.cpp b/tests/gpu/src/operator_convert_to.cpp
similarity index 85%
rename from tests/gpu/src/convert_to.cpp
rename to tests/gpu/src/operator_convert_to.cpp
index 2d05eb3006..4fd2ea1283 100644
--- a/tests/gpu/src/convert_to.cpp
+++ b/tests/gpu/src/operator_convert_to.cpp
@@ -40,6 +40,7 @@
 //M*/
 
 #include "gputest.hpp"
+
 #include <string>
 #include <iostream>
 #include <fstream>
@@ -51,19 +52,20 @@ using namespace cv;
 using namespace std;
 using namespace gpu;
 
-class CV_GpuMatOpConvertTo : public CvTest
+class CV_GpuMatOpConvertToTest : public CvTest
 {
     public:
-        CV_GpuMatOpConvertTo();
-        ~CV_GpuMatOpConvertTo();
+        CV_GpuMatOpConvertToTest();
+        ~CV_GpuMatOpConvertToTest();
+
     protected:
         void run(int);
 };
 
-CV_GpuMatOpConvertTo::CV_GpuMatOpConvertTo(): CvTest( "GPU-MatOperatorConvertTo", "convertTo" ) {}
-CV_GpuMatOpConvertTo::~CV_GpuMatOpConvertTo() {}
+CV_GpuMatOpConvertToTest::CV_GpuMatOpConvertToTest(): CvTest( "GPU-MatOperatorConvertTo", "convertTo" ) {}
+CV_GpuMatOpConvertToTest::~CV_GpuMatOpConvertToTest() {}
 
-void CV_GpuMatOpConvertTo::run( int /* start_from */)
+void CV_GpuMatOpConvertToTest::run(int /* start_from */)
 {
     const Size img_size(67, 35);
 
@@ -102,8 +104,9 @@ void CV_GpuMatOpConvertTo::run( int /* start_from */)
                     double r = norm(cpumatdst, gpumatdst, NORM_INF);
                     if (r > 1)
                     {
-                        cout << "FAILED: " << "SRC_TYPE=" << types_str[i] << "C" << c << " DST_TYPE=" << types_str[j] << " NORM = " << r << endl;
-
+                        ts->printf(CvTS::CONSOLE, 
+                                   "\nFAILED: SRC_TYPE=%sC%d DST_TYPE=%s NORM = %d\n",
+                                   types_str[i], c, types_str[j], r);
                         passed = false;
                     }
                 }
@@ -112,9 +115,9 @@ void CV_GpuMatOpConvertTo::run( int /* start_from */)
     }
     catch(cv::Exception& e)
     {
-        cout << "ERROR: " << e.err << endl;
+        ts->printf(CvTS::CONSOLE, "\nERROR: %s\n", e.err);
     }
     ts->set_failed_test_info(passed ? CvTS::OK : CvTS::FAIL_GENERIC);
 }
 
-CV_GpuMatOpConvertTo CV_GpuMatOpConvertTo_test;
+CV_GpuMatOpConvertToTest CV_GpuMatOpConvertTo_test;
\ No newline at end of file
diff --git a/tests/gpu/src/operator_copy_to.cpp b/tests/gpu/src/operator_copy_to.cpp
index a87e01db30..74d8d60bde 100644
--- a/tests/gpu/src/operator_copy_to.cpp
+++ b/tests/gpu/src/operator_copy_to.cpp
@@ -42,6 +42,7 @@
 #include "gputest.hpp"
 #include "highgui.h"
 #include "cv.h"
+
 #include <string>
 #include <iostream>
 #include <fstream>
@@ -54,18 +55,16 @@ using namespace cv;
 using namespace std;
 using namespace gpu;
 
-class CV_GpuMatOpCopyTo : public CvTest
+class CV_GpuMatOpCopyToTest : public CvTest
 {
     public:
-        CV_GpuMatOpCopyTo();
-        ~CV_GpuMatOpCopyTo();
-    protected:
+        CV_GpuMatOpCopyToTest();
+        ~CV_GpuMatOpCopyToTest();
 
+    protected:
+        void run(int);
         template <typename T>
         void print_mat(const T & mat, const std::string & name) const;
-
-        void run(int);
-
         bool compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat);
 
     private:
@@ -73,7 +72,7 @@ class CV_GpuMatOpCopyTo : public CvTest
         int cols;
 };
 
-CV_GpuMatOpCopyTo::CV_GpuMatOpCopyTo(): CvTest( "GPU-MatOperatorCopyTo", "copyTo" )
+CV_GpuMatOpCopyToTest::CV_GpuMatOpCopyToTest(): CvTest( "GPU-MatOperatorCopyTo", "copyTo" )
 {
     rows = 234;
     cols = 123;
@@ -81,15 +80,15 @@ CV_GpuMatOpCopyTo::CV_GpuMatOpCopyTo(): CvTest( "GPU-MatOperatorCopyTo", "copyTo
     //#define PRINT_MATRIX
 }
 
-CV_GpuMatOpCopyTo::~CV_GpuMatOpCopyTo() {}
+CV_GpuMatOpCopyToTest::~CV_GpuMatOpCopyToTest() {}
 
 template<typename T>
-void CV_GpuMatOpCopyTo::print_mat(const T & mat, const std::string & name) const
+void CV_GpuMatOpCopyToTest::print_mat(const T & mat, const std::string & name) const
 {
     cv::imshow(name, mat);
 }
 
-bool CV_GpuMatOpCopyTo::compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat)
+bool CV_GpuMatOpCopyToTest::compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat)
 {
     Mat cmat(cpumat.size(), cpumat.type(), Scalar::all(0));
     GpuMat gmat(cmat);
@@ -128,12 +127,12 @@ bool CV_GpuMatOpCopyTo::compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat)
         return true;
     else
     {
-        std::cout << "return : " << ret << "\n";
+        ts->printf(CvTS::CONSOLE, "\nNorm: %f\n", ret);
         return false;
     }
 }
 
-void CV_GpuMatOpCopyTo::run( int /* start_from */)
+void CV_GpuMatOpCopyToTest::run( int /* start_from */)
 {
     bool is_test_good = true;
 
@@ -153,4 +152,4 @@ void CV_GpuMatOpCopyTo::run( int /* start_from */)
         ts->set_failed_test_info(CvTS::FAIL_GENERIC);
 }
 
-CV_GpuMatOpCopyTo CV_GpuMatOpCopyTo_test;
+CV_GpuMatOpCopyToTest CV_GpuMatOpCopyTo_test;
diff --git a/tests/gpu/src/operator_set_to.cpp b/tests/gpu/src/operator_set_to.cpp
index 3e3805e64b..71db0d2b38 100644
--- a/tests/gpu/src/operator_set_to.cpp
+++ b/tests/gpu/src/operator_set_to.cpp
@@ -41,6 +41,7 @@
 
 #include "gputest.hpp"
 #include "highgui.h"
+
 #include <string>
 #include <iostream>
 #include <fstream>
@@ -53,25 +54,25 @@ using namespace cv;
 using namespace std;
 using namespace gpu;
 
-class CV_GpuMatOpSetTo : public CvTest
+class CV_GpuMatOpSetToTest : public CvTest
 {
-    public:
-        CV_GpuMatOpSetTo();
-        ~CV_GpuMatOpSetTo();
-    protected:
-        void print_mat(cv::Mat & mat, std::string name = "cpu mat");
-        void print_mat(gpu::GpuMat & mat, std::string name = "gpu mat");
-        void run(int);
-
-        bool compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat);
-
-    private:
-        int rows;
-        int cols;
-        Scalar s;
+public:
+    CV_GpuMatOpSetToTest();
+    ~CV_GpuMatOpSetToTest();
+
+protected:
+    void run(int);
+    void print_mat(cv::Mat & mat, std::string name = "cpu mat");
+    void print_mat(gpu::GpuMat & mat, std::string name = "gpu mat");
+    bool compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat);
+
+private:
+    int rows;
+    int cols;
+    Scalar s;
 };
 
-CV_GpuMatOpSetTo::CV_GpuMatOpSetTo(): CvTest( "GPU-MatOperatorSetTo", "setTo" )
+CV_GpuMatOpSetToTest::CV_GpuMatOpSetToTest(): CvTest( "GPU-MatOperatorSetTo", "setTo" )
 {
     rows = 256;
     cols = 124;
@@ -84,21 +85,21 @@ CV_GpuMatOpSetTo::CV_GpuMatOpSetTo(): CvTest( "GPU-MatOperatorSetTo", "setTo" )
     //#define PRINT_MATRIX
 }
 
-CV_GpuMatOpSetTo::~CV_GpuMatOpSetTo() {}
+CV_GpuMatOpSetToTest::~CV_GpuMatOpSetToTest() {}
 
-void CV_GpuMatOpSetTo::print_mat(cv::Mat & mat, std::string name )
+void CV_GpuMatOpSetToTest::print_mat(cv::Mat & mat, std::string name )
 {
     cv::imshow(name, mat);
 }
 
-void CV_GpuMatOpSetTo::print_mat(gpu::GpuMat & mat, std::string name)
+void CV_GpuMatOpSetToTest::print_mat(gpu::GpuMat & mat, std::string name)
 {
     cv::Mat newmat;
     mat.download(newmat);
     print_mat(newmat, name);
 }
 
-bool CV_GpuMatOpSetTo::compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat)
+bool CV_GpuMatOpSetToTest::compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat)
 {
     //int64 time = getTickCount();
     cpumat.setTo(s);
@@ -122,12 +123,12 @@ bool CV_GpuMatOpSetTo::compare_matrix(cv::Mat & cpumat, gpu::GpuMat & gpumat)
         return true;
     else
     {
-        std::cout << "return : " << ret << "\n";
+        ts->printf(CvTS::CONSOLE, "\nNorm: %f\n", ret);
         return false;
     }
 }
 
-void CV_GpuMatOpSetTo::run( int /* start_from */)
+void CV_GpuMatOpSetToTest::run( int /* start_from */)
 {
     bool is_test_good = true;
 
@@ -144,4 +145,4 @@ void CV_GpuMatOpSetTo::run( int /* start_from */)
         ts->set_failed_test_info(CvTS::FAIL_GENERIC);
 }
 
-CV_GpuMatOpSetTo CV_GpuMatOpSetTo_test;
+CV_GpuMatOpSetToTest CV_GpuMatOpSetTo_test;
diff --git a/tests/gpu/src/stereo_bm.cpp b/tests/gpu/src/stereo_bm.cpp
index d0dde305a7..45de01ec84 100644
--- a/tests/gpu/src/stereo_bm.cpp
+++ b/tests/gpu/src/stereo_bm.cpp
@@ -40,28 +40,35 @@
 //M*/
 
 #include "gputest.hpp"
+#include <opencv2/opencv.hpp>
+#include <opencv2/gpu/gpu.hpp>
+
 #include <iostream>
 #include <string>
 
-#include <opencv2/opencv.hpp>
-#include <opencv2/gpu/gpu.hpp>
 
-class CV_GpuStereoBM : public CvTest
+class CV_GpuStereoBMTest : public CvTest
 {
 public:
-	CV_GpuStereoBM();
+	CV_GpuStereoBMTest();
 protected:
 	void run(int);
 };
 
-CV_GpuStereoBM::CV_GpuStereoBM(): CvTest( "GPU-StereoBM", "StereoBM" ){}
+CV_GpuStereoBMTest::CV_GpuStereoBMTest(): CvTest( "GPU-StereoBM", "StereoBM" ){}
 
-void CV_GpuStereoBM::run(int )
+void CV_GpuStereoBMTest::run(int )
 {
 	cv::Mat img_l = cv::imread(std::string(ts->get_data_path()) + "stereobm/aloe-L.png", 0);
 	cv::Mat img_r = cv::imread(std::string(ts->get_data_path()) + "stereobm/aloe-R.png", 0);
 	cv::Mat img_template = cv::imread(std::string(ts->get_data_path()) + "stereobm/aloe-disp.png", 0);
 
+    if (img_l.empty() || img_r.empty() || img_template.empty())
+    {
+        ts->set_failed_test_info(CvTS::FAIL_MISSING_TEST_DATA);
+        return;
+    }
+
 	cv::gpu::GpuMat disp;
 	cv::gpu::StereoBM_GPU bm(0, 128, 19);
 
@@ -72,10 +79,11 @@ void CV_GpuStereoBM::run(int )
 	disp.convertTo(disp, img_template.type());
 
 	double norm = cv::norm(disp, img_template, cv::NORM_INF);
-	if (norm >= 100) std::cout << "StereoBM norm = " << norm << std::endl;
+	if (norm >= 100) 
+        ts->printf(CvTS::CONSOLE, "\nStereoBM norm = %f\n", norm);
 	ts->set_failed_test_info((norm < 100) ? CvTS::OK : CvTS::FAIL_GENERIC);
 }
 
 
-CV_GpuStereoBM CV_GpuStereoBM_test;
+CV_GpuStereoBMTest CV_GpuStereoBM_test;
 
diff --git a/tests/gpu/src/stereo_bp.cpp b/tests/gpu/src/stereo_bp.cpp
index 6aed6c3fc2..f91898508d 100644
--- a/tests/gpu/src/stereo_bp.cpp
+++ b/tests/gpu/src/stereo_bp.cpp
@@ -40,23 +40,24 @@
 //M*/
 
 #include "gputest.hpp"
+#include <opencv2/opencv.hpp>
+#include <opencv2/gpu/gpu.hpp>
+
 #include <iostream>
 #include <string>
 
-#include <opencv2/opencv.hpp>
-#include <opencv2/gpu/gpu.hpp>
 
-class CV_GpuStereoBP : public CvTest
+class CV_GpuStereoBPTest : public CvTest
 {
     public:
-        CV_GpuStereoBP();
+        CV_GpuStereoBPTest();
     protected:
         void run(int);
 };
 
-CV_GpuStereoBP::CV_GpuStereoBP(): CvTest( "GPU-StereoBP", "StereoBP" ){}
+CV_GpuStereoBPTest::CV_GpuStereoBPTest(): CvTest( "GPU-StereoBP", "StereoBP" ){}
 
-void CV_GpuStereoBP::run(int )
+void CV_GpuStereoBPTest::run(int )
 {
     cv::Mat img_l = cv::imread(std::string(ts->get_data_path()) + "stereobp/aloe-L.png");
     cv::Mat img_r = cv::imread(std::string(ts->get_data_path()) + "stereobp/aloe-R.png");
@@ -78,10 +79,10 @@ void CV_GpuStereoBP::run(int )
     disp.convertTo(disp, img_template.type());
 
     double norm = cv::norm(disp, img_template, cv::NORM_INF);
-	if (norm >= 0.5) std::cout << "StereoBP norm = " << norm << std::endl;
+	if (norm >= 0.5) 
+        ts->printf(CvTS::CONSOLE, "\nStereoBP norm = %f\n", norm);
     ts->set_failed_test_info((norm < 0.5) ? CvTS::OK : CvTS::FAIL_GENERIC);
 }
 
 
-CV_GpuStereoBP CV_GpuStereoBP_test;
-
+CV_GpuStereoBPTest CV_GpuStereoBP_test;
\ No newline at end of file
diff --git a/tests/gpu/src/csstereo_bp.cpp b/tests/gpu/src/stereo_csbp.cpp
similarity index 84%
rename from tests/gpu/src/csstereo_bp.cpp
rename to tests/gpu/src/stereo_csbp.cpp
index f5740c8a24..c6e9bf4d6e 100644
--- a/tests/gpu/src/csstereo_bp.cpp
+++ b/tests/gpu/src/stereo_csbp.cpp
@@ -40,28 +40,35 @@
 //M*/
 
 #include "gputest.hpp"
+#include <opencv2/opencv.hpp>
+#include <opencv2/gpu/gpu.hpp>
+
 #include <iostream>
 #include <string>
 
-#include <opencv2/opencv.hpp>
-#include <opencv2/gpu/gpu.hpp>
 
-class CV_GpuCSStereoBP : public CvTest
+class CV_GpuStereoCSBPTest : public CvTest
 {
     public:
-        CV_GpuCSStereoBP();
+        CV_GpuStereoCSBPTest();
     protected:
         void run(int);
 };
 
-CV_GpuCSStereoBP::CV_GpuCSStereoBP(): CvTest( "GPU-CSStereoBP", "ConstantSpaceStereoBP" ){}
+CV_GpuStereoCSBPTest::CV_GpuStereoCSBPTest(): CvTest( "GPU-StereoCSBP", "ConstantSpaceStereoBP" ){}
 
-void CV_GpuCSStereoBP::run(int )
+void CV_GpuStereoCSBPTest::run(int )
 {
         cv::Mat img_l = cv::imread(std::string(ts->get_data_path()) + "csstereobp/aloe-L.png");
         cv::Mat img_r = cv::imread(std::string(ts->get_data_path()) + "csstereobp/aloe-R.png");
         cv::Mat img_template = cv::imread(std::string(ts->get_data_path()) + "csstereobp/aloe-disp.png", 0);
 
+        if (img_l.empty() || img_r.empty() || img_template.empty())
+        {
+            ts->set_failed_test_info(CvTS::FAIL_MISSING_TEST_DATA);
+            return;
+        }
+
         cv::gpu::GpuMat disp;
         cv::gpu::StereoConstantSpaceBP bpm(128, 16, 4, 4);
 
@@ -72,9 +79,9 @@ void CV_GpuCSStereoBP::run(int )
         disp.convertTo(disp, img_template.type());
 
         double norm = cv::norm(disp, img_template, cv::NORM_INF);
-		if (norm >= 0.5) std::cout << "ConstantSpaceStereoBP norm = " << norm << std::endl;
+		if (norm >= 0.5) 
+            ts->printf(CvTS::CONSOLE, "\nConstantSpaceStereoBP norm = %f\n", norm);
         ts->set_failed_test_info((norm < 0.5) ? CvTS::OK : CvTS::FAIL_GENERIC);
 }
 
-
-CV_GpuCSStereoBP CV_GpuCSStereoBP_test;
+CV_GpuStereoCSBPTest CV_GpuCSStereoBP_test;
\ No newline at end of file