public unsafe void Test_ReadWriteFDA()
{
int nodesCount = 1 + 4 + 4 * 4 + 4 * 4 * 4;
TestTree tree = new TestTree(nodesCount);
int idx = 0;
CreateTestTree(tree, ref idx, 0, 3, 4);
tree.Version.Major = 4;
tree.Version.Minor = 2;
tree.UserData = 1234567;
string fileName = Path.Combine(_outDir, "uftree.dat");
tree.Write(fileName);
TestTree tree1 = TestTree.ReadFDA <TestTree>(fileName);
Assert.AreEqual(tree.Version, tree1.Version);
// Do not check the user data, it is not supported by FDA
Assert.AreEqual(tree.NodesCount, tree1.NodesCount);
for (int i = 0; i < tree.NodesCount; ++i)
{
Assert.AreEqual(tree.GetDepth(i), tree1.GetDepth(i), i.ToString());
TestNode n, n1;
tree.GetNode(i, (byte *)&n);
tree1.GetNode(i, (byte *)&n1);
Assert.AreEqual(n.Id, n1.Id, i.ToString());
}
}