diff --git a/src/TNL/Containers/Array.hpp b/src/TNL/Containers/Array.hpp
index e766432ea2347d26801160fadbb5f02d37ac1ad0..ef66bdc56d9e93129a02bb5ebd3278f8355ed3f9 100644
--- a/src/TNL/Containers/Array.hpp
+++ b/src/TNL/Containers/Array.hpp
@@ -258,6 +258,12 @@ template< typename Value, typename Device, typename Index, typename Allocator >
 typename Array< Value, Device, Index, Allocator >::ViewType
 Array< Value, Device, Index, Allocator >::getView( IndexType begin, IndexType end )
 {
+   TNL_ASSERT_GE( begin, ( Index ) 0, "Parameter 'begin' must be non-negative." );
+   TNL_ASSERT_LE( begin, getSize(), "Parameter 'begin' must be lower or equal to size of the array." );
+   TNL_ASSERT_GE( end, ( Index ) 0, "Parameter 'end' must be non-negative." );
+   TNL_ASSERT_LE( end, getSize(), "Parameter 'end' must be lower or equal to size of the array." );
+   TNL_ASSERT_LE( begin, end, "Parameter 'begin' must be lower or equal to the parameter 'end'." );
+
    if( end == 0 )
       end = getSize();
    return ViewType( getData() + begin, end - begin );
@@ -267,6 +273,12 @@ template< typename Value, typename Device, typename Index, typename Allocator >
 typename Array< Value, Device, Index, Allocator >::ConstViewType
 Array< Value, Device, Index, Allocator >::getConstView( IndexType begin, IndexType end ) const
 {
+   TNL_ASSERT_GE( begin, ( Index ) 0, "Parameter 'begin' must be non-negative." );
+   TNL_ASSERT_LE( begin, getSize(), "Parameter 'begin' must be lower or equal to size of the array." );
+   TNL_ASSERT_GE( end, ( Index ) 0, "Parameter 'end' must be non-negative." );
+   TNL_ASSERT_LE( end, getSize(), "Parameter 'end' must be lower or equal to size of the array." );
+   TNL_ASSERT_LE( begin, end, "Parameter 'begin' must be lower or equal to the parameter 'end'." );
+
    if( end == 0 )
       end = getSize();
    return ConstViewType( getData() + begin, end - begin );
diff --git a/src/TNL/Containers/ArrayView.hpp b/src/TNL/Containers/ArrayView.hpp
index c94e9e05f8b166ea3f1ea46824c0d6bc10182544..c7db08cceba497a407cf0a83338c45c53e06908d 100644
--- a/src/TNL/Containers/ArrayView.hpp
+++ b/src/TNL/Containers/ArrayView.hpp
@@ -59,6 +59,12 @@ __cuda_callable__
 typename ArrayView< Value, Device, Index >::ViewType
 ArrayView< Value, Device, Index >::getView( IndexType begin, IndexType end )
 {
+   TNL_ASSERT_GE( begin, ( Index ) 0, "Parameter 'begin' must be non-negative." );
+   TNL_ASSERT_LE( begin, getSize(), "Parameter 'begin' must be lower or equal to size of the array view." );
+   TNL_ASSERT_GE( end, ( Index ) 0, "Parameter 'end' must be non-negative." );
+   TNL_ASSERT_LE( end, getSize(), "Parameter 'end' must be lower or equal to size of the array view." );
+   TNL_ASSERT_LE( begin, end, "Parameter 'begin' must be lower or equal to the parameter 'end'." );
+
    if( end == 0 )
       end = this->getSize();
    return ViewType( getData() + begin, end - begin );
@@ -70,6 +76,12 @@ __cuda_callable__
 typename ArrayView< Value, Device, Index >::ConstViewType
 ArrayView< Value, Device, Index >::getConstView( IndexType begin, IndexType end ) const
 {
+   TNL_ASSERT_GE( begin, ( Index ) 0, "Parameter 'begin' must be non-negative." );
+   TNL_ASSERT_LE( begin, getSize(), "Parameter 'begin' must be lower or equal to size of the array view." );
+   TNL_ASSERT_GE( end, ( Index ) 0, "Parameter 'end' must be non-negative." );
+   TNL_ASSERT_LE( end, getSize(), "Parameter 'end' must be lower or equal to size of the array view." );
+   TNL_ASSERT_LE( begin, end, "Parameter 'begin' must be lower or equal to the parameter 'end'." );
+
    if( end == 0 )
       end = this->getSize();
    return ConstViewType( getData() + begin, end - begin );
diff --git a/src/TNL/Containers/Vector.hpp b/src/TNL/Containers/Vector.hpp
index 12d2d4337c5bbdbf73147763d792b4de7827fd3a..2572b3ff7b8b62b823e1981cc91532d107548c25 100644
--- a/src/TNL/Containers/Vector.hpp
+++ b/src/TNL/Containers/Vector.hpp
@@ -28,6 +28,12 @@ template< typename Real, typename Device, typename Index, typename Allocator >
 typename Vector< Real, Device, Index, Allocator >::ViewType
 Vector< Real, Device, Index, Allocator >::getView( IndexType begin, IndexType end )
 {
+   TNL_ASSERT_GE( begin, ( Index ) 0, "Parameter 'begin' must be non-negative." );
+   TNL_ASSERT_LE( begin, this->getSize(), "Parameter 'begin' must be lower or equal to size of the vector." );
+   TNL_ASSERT_GE( end, ( Index ) 0, "Parameter 'end' must be non-negative." );
+   TNL_ASSERT_LE( end, this->getSize(), "Parameter 'end' must be lower or equal to size of the vector." );
+   TNL_ASSERT_LE( begin, end, "Parameter 'begin' must be lower or equal to the parameter 'end'." );
+
    if( end == 0 )
       end = this->getSize();
    return ViewType( this->getData() + begin, end - begin );
@@ -37,6 +43,12 @@ template< typename Real, typename Device, typename Index, typename Allocator >
 typename Vector< Real, Device, Index, Allocator >::ConstViewType
 Vector< Real, Device, Index, Allocator >::getConstView( IndexType begin, IndexType end ) const
 {
+   TNL_ASSERT_GE( begin, ( Index ) 0, "Parameter 'begin' must be non-negative." );
+   TNL_ASSERT_LE( begin, this->getSize(), "Parameter 'begin' must be lower or equal to size of the vector." );
+   TNL_ASSERT_GE( end, ( Index ) 0, "Parameter 'end' must be non-negative." );
+   TNL_ASSERT_LE( end, this->getSize(), "Parameter 'end' must be lower or equal to size of the vector." );
+   TNL_ASSERT_LE( begin, end, "Parameter 'begin' must be lower or equal to the parameter 'end'." );
+
    if( end == 0 )
       end = this->getSize();
    return ConstViewType( this->getData() + begin, end - begin );
diff --git a/src/TNL/Containers/VectorView.hpp b/src/TNL/Containers/VectorView.hpp
index bc993be309330aa74a2b8cd9196d02f246bd7c7c..65aa56af9c67ca4a75febc389c95a0abb6bf58c5 100644
--- a/src/TNL/Containers/VectorView.hpp
+++ b/src/TNL/Containers/VectorView.hpp
@@ -17,6 +17,12 @@ __cuda_callable__
 typename VectorView< Real, Device, Index >::ViewType
 VectorView< Real, Device, Index >::getView( IndexType begin, IndexType end )
 {
+   TNL_ASSERT_GE( begin, ( Index ) 0, "Parameter 'begin' must be non-negative." );
+   TNL_ASSERT_LE( begin, this->getSize(), "Parameter 'begin' must be lower or equal to size of the vector view." );
+   TNL_ASSERT_GE( end, ( Index ) 0, "Parameter 'end' must be non-negative." );
+   TNL_ASSERT_LE( end, this->getSize(), "Parameter 'end' must be lower or equal to size of the vector view." );
+   TNL_ASSERT_LE( begin, end, "Parameter 'begin' must be lower or equal to the parameter 'end'." );
+
    if( end == 0 )
       end = this->getSize();
    return ViewType( this->getData() + begin, end - begin );
@@ -28,6 +34,12 @@ __cuda_callable__
 typename VectorView< Real, Device, Index >::ConstViewType
 VectorView< Real, Device, Index >::getConstView( const IndexType begin, IndexType end ) const
 {
+   TNL_ASSERT_GE( begin, ( Index ) 0, "Parameter 'begin' must be non-negative." );
+   TNL_ASSERT_LE( begin, this->getSize(), "Parameter 'begin' must be lower or equal to size of the vector view." );
+   TNL_ASSERT_GE( end, ( Index ) 0, "Parameter 'end' must be non-negative." );
+   TNL_ASSERT_LE( end, this->getSize(), "Parameter 'end' must be lower or equal to size of the vector view." );
+   TNL_ASSERT_LE( begin, end, "Parameter 'begin' must be lower or equal to the parameter 'end'." );
+
    if( end == 0 )
       end = this->getSize();
    return ConstViewType( this->getData() + begin, end - begin );