Merge topic 'testing_device_adapter_remove_array_manager_execution_usage'

065d1178 Testing Device Adapter now uses ArrayHandle for all device transfers
Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Kenneth Moreland <kmorel@sandia.gov>
Merge-request: !1651

vtkm/cont/cuda/internal/ExecutionArrayInterfaceBasicCuda.cu

@@ -51,6 +51,19 @@ void ExecutionArrayInterfaceBasic<DeviceAdapterTagCuda>::Allocate(TypelessExecut
     }
   }
 
+  const std::size_t maxNumVals = (std::numeric_limits<std::size_t>::max() / sizeOfValue);
+  if (static_cast<std::size_t>(numberOfValues) > maxNumVals)
+  {
+    VTKM_LOG_F(vtkm::cont::LogLevel::MemExec,
+               "Refusing to allocate CUDA memory; number of values (%llu) exceeds "
+               "std::size_t capacity.",
+               static_cast<vtkm::UInt64>(numberOfValues));
+
+    std::ostringstream err;
+    err << "Failed to allocate " << numberOfValues << " values on device: "
+        << "Number of bytes is not representable by std::size_t.";
+    throw vtkm::cont::ErrorBadAllocation(err.str());
+  }
   if (execArray.Array != nullptr)
   {
     const vtkm::UInt64 cap = static_cast<vtkm::UInt64>(static_cast<char*>(execArray.ArrayCapacity) -