public void NativeArray_NativeArray()
{
var array0 = new NativeArray <int>(1024, Allocator.Temp);
var array1 = new NativeArray <int>(4096, Allocator.Temp);
Assert.AreEqual(array0.Length + array1.Length, array0.Concat(array1).Count());
array0.Dispose();
array1.Dispose();
}