diff --git a/src/UnitTests/Matrices/SparseMatrixTest.h b/src/UnitTests/Matrices/SparseMatrixTest.h
index 9865fb8698a74c028a45b9e20c3b7f8f41c2221a..bcb24a25af71df4098d5b8858a4d959db7e3195f 100644
--- a/src/UnitTests/Matrices/SparseMatrixTest.h
+++ b/src/UnitTests/Matrices/SparseMatrixTest.h
@@ -12,6 +12,9 @@
 #include <TNL/Matrices/Ellpack.h>
 #include <TNL/Matrices/SlicedEllpack.h>
 
+#include <TNL/Containers/VectorView.h>
+#include <TNL/Math.h>
+
 using CSR_host_float = TNL::Matrices::CSR< float, TNL::Devices::Host, int >;
 using CSR_host_int = TNL::Matrices::CSR< int, TNL::Devices::Host, int >;
 
@@ -20,7 +23,7 @@ using CSR_cuda_int = TNL::Matrices::CSR< int, TNL::Devices::Cuda, int >;
 
 #ifdef HAVE_GTEST 
 #include <gtest/gtest.h>
-/*
+
 
 template< typename MatrixHostFloat, typename MatrixHostInt, typename MatrixCudaFloat, typename MatrixCudaInt >
 void testGetType()
@@ -30,13 +33,10 @@ void testGetType()
     MatrixCudaFloat mtrxCudaFloat;
     MatrixCudaInt mtrxCudaInt;
     
-    //string str = "Matrices::CSR< float, Devices::Host >";
-    
-    EXPECT_STREQ( mtrxHostFloat.getType(), String("Matrices::CSR< float, Devices::Host >") );
-    EXPECT_STREQ( mtrxHostInt.getType(), String("Matrices::CSR< int, Devices::Host >") );
-    EXPECT_STREQ( mtrxCudaFloat.getType(), "Matrices::CSR< float, Cuda >" );
-    EXPECT_STREQ( mtrxCudaInt.getType(), "Matrices::CSR< int, Cuda >" );
-    
+    EXPECT_EQ( mtrxHostFloat.getType(), TNL::String( "Matrices::CSR< float, Devices::Host >" ) );
+    EXPECT_EQ( mtrxHostInt.getType(), TNL::String( "Matrices::CSR< int, Devices::Host >" ) );
+    EXPECT_EQ( mtrxCudaFloat.getType(), TNL::String( "Matrices::CSR< float, Cuda >" ) );
+    EXPECT_EQ( mtrxCudaInt.getType(), TNL::String( "Matrices::CSR< int, Cuda >" ) );
 }
 
 TEST( SparseMatrixTest, CSR_GetTypeTest )
@@ -50,7 +50,7 @@ TEST( SparseMatrixTest, GetTypeTestCuda )
    testGetType< CSR_host_float, CSR_host_int, CSR_cuda_float, CSR_cuda_int >();
 }
 #endif
-*/
+
 #endif
 
 #include "../GtestMissingError.h"