public static void DoTest(string[] args)
{
using (new MPI.Environment(ref args))
{
Intracommunicator parentComm = (Intracommunicator)Communicator.world.Clone();
// Create a bunch of attributes of different kinds
Console.Error.WriteLine("Creating attributes...");
MPI.Attribute nocopyIntAttr = MPI.Attribute.Create <int>(AttributeDuplication.None);
Console.Error.WriteLine("Creating second attribute...");
MPI.Attribute shallowIntAttr = MPI.Attribute.Create <int>(AttributeDuplication.Shallow);
MPI.Attribute deepIntAttr = MPI.Attribute.Create <int>(AttributeDuplication.Deep);
MPI.Attribute nocopyPointAttr = MPI.Attribute.Create <Point>(AttributeDuplication.None);
MPI.Attribute shallowPointAttr = MPI.Attribute.Create <Point>(AttributeDuplication.Shallow);
MPI.Attribute deepPointAttr = MPI.Attribute.Create <Point>(AttributeDuplication.Deep);
MPI.Attribute nocopyStringAttr = MPI.Attribute.Create <StringHolder>(AttributeDuplication.None);
MPI.Attribute shallowStringAttr = MPI.Attribute.Create <StringHolder>(AttributeDuplication.Shallow);
MPI.Attribute deepStringAttr = MPI.Attribute.Create <StringHolder>(AttributeDuplication.Deep);
// Place initial values for these attributes into the parent communicator
Console.Error.WriteLine("Initial values...");
parentComm.Attributes[nocopyIntAttr] = 17;
parentComm.Attributes[shallowIntAttr] = 25;
parentComm.Attributes[deepIntAttr] = 42;
parentComm.Attributes[nocopyPointAttr] = new Point(1.1, 1.2, 1.3);
parentComm.Attributes[shallowPointAttr] = new Point(2.1, 2.2, 2.3);
parentComm.Attributes[deepPointAttr] = new Point(3.1, 3.2, 3.3);
parentComm.Attributes[nocopyStringAttr] = new StringHolder("Hello");
parentComm.Attributes[shallowStringAttr] = new StringHolder("MPI");
parentComm.Attributes[deepStringAttr] = new StringHolder("Attributes");
// Check initial values in the parent communicator
Console.Error.WriteLine("Checking initial values...");
MPIDebug.Assert((int)parentComm.Attributes[nocopyIntAttr] == 17);
MPIDebug.Assert((int)parentComm.Attributes[shallowIntAttr] == 25);
MPIDebug.Assert((int)parentComm.Attributes[deepIntAttr] == 42);
MPIDebug.Assert((Point)parentComm.Attributes[nocopyPointAttr] == new Point(1.1, 1.2, 1.3));
MPIDebug.Assert((Point)parentComm.Attributes[shallowPointAttr] == new Point(2.1, 2.2, 2.3));
MPIDebug.Assert((Point)parentComm.Attributes[deepPointAttr] == new Point(3.1, 3.2, 3.3));
MPIDebug.Assert(((StringHolder)parentComm.Attributes[nocopyStringAttr]).str == "Hello");
MPIDebug.Assert(((StringHolder)parentComm.Attributes[shallowStringAttr]).str == "MPI");
MPIDebug.Assert(((StringHolder)parentComm.Attributes[deepStringAttr]).str == "Attributes");
// Duplicate the communicator
Communicator childComm = (Communicator)parentComm.Clone();
// Check values in the parent communicator (again)
MPIDebug.Assert((int)parentComm.Attributes[nocopyIntAttr] == 17);
MPIDebug.Assert((int)parentComm.Attributes[shallowIntAttr] == 25);
MPIDebug.Assert((int)parentComm.Attributes[deepIntAttr] == 42);
MPIDebug.Assert((Point)parentComm.Attributes[nocopyPointAttr] == new Point(1.1, 1.2, 1.3));
MPIDebug.Assert((Point)parentComm.Attributes[shallowPointAttr] == new Point(2.1, 2.2, 2.3));
MPIDebug.Assert((Point)parentComm.Attributes[deepPointAttr] == new Point(3.1, 3.2, 3.3));
MPIDebug.Assert(((StringHolder)parentComm.Attributes[nocopyStringAttr]).str == "Hello");
MPIDebug.Assert(((StringHolder)parentComm.Attributes[shallowStringAttr]).str == "MPI");
MPIDebug.Assert(((StringHolder)parentComm.Attributes[deepStringAttr]).str == "Attributes");
// Check values in the child communicator
MPIDebug.Assert(childComm.Attributes[nocopyIntAttr] == null);
MPIDebug.Assert((int)childComm.Attributes[shallowIntAttr] == 25);
MPIDebug.Assert((int)childComm.Attributes[deepIntAttr] == 42);
MPIDebug.Assert(childComm.Attributes[nocopyPointAttr] == null);
MPIDebug.Assert((Point)childComm.Attributes[shallowPointAttr] == new Point(2.1, 2.2, 2.3));
MPIDebug.Assert((Point)childComm.Attributes[deepPointAttr] == new Point(3.1, 3.2, 3.3));
MPIDebug.Assert(childComm.Attributes[nocopyStringAttr] == null);
MPIDebug.Assert(((StringHolder)childComm.Attributes[shallowStringAttr]).str == "MPI");
MPIDebug.Assert(((StringHolder)childComm.Attributes[deepStringAttr]).str == "Attributes");
// Check modification of shallow-copy attributes
parentComm.Attributes[shallowIntAttr] = 99;
MPIDebug.Assert((int)parentComm.Attributes[shallowIntAttr] == 99);
MPIDebug.Assert((int)childComm.Attributes[shallowIntAttr] == 25);
parentComm.Attributes[shallowPointAttr] = new Point(4.1, 4.2, 4.3);
MPIDebug.Assert((Point)parentComm.Attributes[shallowPointAttr] == new Point(4.1, 4.2, 4.3));
MPIDebug.Assert((Point)childComm.Attributes[shallowPointAttr] == new Point(4.1, 4.2, 4.3));
((StringHolder)parentComm.Attributes[shallowStringAttr]).str = "Cached";
MPIDebug.Assert(((StringHolder)parentComm.Attributes[shallowStringAttr]).str == "Cached");
MPIDebug.Assert(((StringHolder)childComm.Attributes[shallowStringAttr]).str == "Cached");
// Check modification of deep-copy attributes
parentComm.Attributes[deepIntAttr] = 99;
MPIDebug.Assert((int)parentComm.Attributes[deepIntAttr] == 99);
MPIDebug.Assert((int)childComm.Attributes[deepIntAttr] == 42);
parentComm.Attributes[deepPointAttr] = new Point(4.1, 4.2, 4.3);
MPIDebug.Assert((Point)parentComm.Attributes[deepPointAttr] == new Point(4.1, 4.2, 4.3));
MPIDebug.Assert((Point)childComm.Attributes[deepPointAttr] == new Point(3.1, 3.2, 3.3));
((StringHolder)parentComm.Attributes[deepStringAttr]).str = "Cached";
MPIDebug.Assert(((StringHolder)parentComm.Attributes[deepStringAttr]).str == "Cached");
MPIDebug.Assert(((StringHolder)childComm.Attributes[deepStringAttr]).str == "Attributes");
// Check attribute deletion
parentComm.Attributes.Remove(shallowIntAttr);
MPIDebug.Assert(parentComm.Attributes[shallowIntAttr] == null);
MPIDebug.Assert((int)childComm.Attributes[shallowIntAttr] == 25);
parentComm.Attributes.Remove(shallowIntAttr);
parentComm.Attributes.Remove(shallowPointAttr);
MPIDebug.Assert(parentComm.Attributes[shallowPointAttr] == null);
MPIDebug.Assert((Point)childComm.Attributes[shallowPointAttr] == new Point(4.1, 4.2, 4.3));
parentComm.Attributes.Remove(shallowPointAttr);
parentComm.Attributes.Remove(shallowStringAttr);
MPIDebug.Assert(parentComm.Attributes[shallowStringAttr] == null);
MPIDebug.Assert(((StringHolder)childComm.Attributes[shallowStringAttr]).str == "Cached");
parentComm.Attributes.Remove(shallowStringAttr);
}
}