public void IntClusterTableTest()
{
ConfigurationTest.Initialize();
using (var io = ConfigurationTest.CreateMemoryIO()) {
SimpleClusterIO cio = new SimpleClusterIO(io);
Random r = new Random();
ClusterTable <int> ct = new ClusterTable <int>(
new int[] { 2, 4 },
sizeof(int),
(address) => new IntArrayCluster(address)
{
Type = ClusterType.BytesUsedTable
});
ClusterTable <int> ct2 = new ClusterTable <int>(
new int[] { 2, 4 },
sizeof(int),
(address) => new IntArrayCluster(address)
{
Type = ClusterType.BytesUsedTable
});
ct.Flush(cio);
ct2.Load(cio);
// Check that the cluster is written and everything is zeroed
DataBlock b = new DataBlock(io.Bytes, 2 * Configuration.Geometry.BytesPerCluster, Configuration.Geometry.BytesPerCluster);
int offset = verifyProperties(b, ClusterType.BytesUsedTable, 4);
for (int i = 0; i < ArrayCluster.CalculateElementCount(sizeof(int)); i++)
{
Assert.AreEqual(b.ToInt32(offset + i * sizeof(int)), 0);
}
b = new DataBlock(io.Bytes, 4 * Configuration.Geometry.BytesPerCluster, Configuration.Geometry.BytesPerCluster);
offset = verifyProperties(b, ClusterType.BytesUsedTable, Constants.NoAddress);
for (int i = 0; i < ArrayCluster.CalculateElementCount(sizeof(int)); i++)
{
Assert.AreEqual(b.ToInt32(offset + i * sizeof(int)), 0);
}
for (int i = 0; i < ct2.Count; i++)
{
Assert.AreEqual(ct2[i], 0);
}
// Now randomize the contents
for (int i = 0; i < ct.Count; i++)
{
ct[i] = r.Next();
}
ct.Flush(cio);
b = new DataBlock(io.Bytes, 2 * Configuration.Geometry.BytesPerCluster, Configuration.Geometry.BytesPerCluster);
offset = verifyProperties(b, ClusterType.BytesUsedTable, 4);
int index = 0;
for (int i = 0; i < ArrayCluster.CalculateElementCount(sizeof(int)); i++, index++)
{
Assert.AreEqual(b.ToInt32(offset + i * sizeof(int)), ct[index]);
}
b = new DataBlock(io.Bytes, 4 * Configuration.Geometry.BytesPerCluster, Configuration.Geometry.BytesPerCluster);
offset = verifyProperties(b, ClusterType.BytesUsedTable, Constants.NoAddress);
for (int i = 0; i < ArrayCluster.CalculateElementCount(sizeof(int)); i++, index++)
{
Assert.AreEqual(b.ToInt32(offset + i * sizeof(int)), ct[index]);
}
ct2.Load(cio);
for (int i = 0; i < ct2.Count; i++)
{
Assert.AreEqual(ct2[i], ct[i]);
}
// Add a cluster
ct.AddCluster(7);
ct2.AddCluster(7);
ct.Flush(cio);
// Make sure that next cluster is updated
b = new DataBlock(io.Bytes, 4 * Configuration.Geometry.BytesPerCluster, Configuration.Geometry.BytesPerCluster);
verifyProperties(b, ClusterType.BytesUsedTable, 7);
// check the new cluster and assure everything is zero
b = new DataBlock(io.Bytes, 7 * Configuration.Geometry.BytesPerCluster, Configuration.Geometry.BytesPerCluster);
offset = verifyProperties(b, ClusterType.BytesUsedTable, Constants.NoAddress);
for (int i = 0; i < ArrayCluster.CalculateElementCount(sizeof(int)); i++)
{
Assert.AreEqual(b.ToInt32(offset + i * sizeof(int)), 0);
}
ct2.Load(cio);
for (int i = 0; i < ct2.Count; i++)
{
Assert.AreEqual(ct2[i], ct[i]);
}
Assert.AreEqual(ct2.Count, 3 * ArrayCluster.CalculateElementCount(sizeof(int)));
// Remove a cluster
ct.RemoveLastCluster();
ct.Flush(cio);
// Make sure that the last cluster is updated
b = new DataBlock(io.Bytes, 4 * Configuration.Geometry.BytesPerCluster, Configuration.Geometry.BytesPerCluster);
verifyProperties(b, ClusterType.BytesUsedTable, Constants.NoAddress);
}
}