public void WillNotShowValueFromLaterSnapshot()
{
var storageState = new StorageState("test", new StorageOptions());
using (var memtable = new MemTable(storageState))
{
memtable.Add(2, ItemType.Value, "test", memtable.Write(new MemoryStream(new byte[] { 1, 2, 3 })));
Stream stream;
Assert.False(memtable.TryGet("test", 1, out stream));
}
}
public void DeletesWillHideValues()
{
var storageState = new StorageState("test", new StorageOptions());
using (var memtable = new MemTable(storageState))
{
memtable.Add(2, ItemType.Value, "test", memtable.Write(new MemoryStream(new byte[] { 1, 2, 3 })));
memtable.Add(3, ItemType.Deletion, "test", null);
Stream stream;
Assert.True(memtable.TryGet("test", 5, out stream));
Assert.Null(stream);
}
}
public void CanAddAndGetUsingLaterSnapshot()
{
var storageState = new StorageState("test", new StorageOptions());
using (var memtable = new MemTable(storageState))
{
memtable.Add(1, ItemType.Value, "test", memtable.Write(new MemoryStream(new byte[] { 1, 2, 3 })));
Stream stream;
Assert.True(memtable.TryGet("test", 2, out stream));
using (stream)
{
Assert.Equal(1, stream.ReadByte());
Assert.Equal(2, stream.ReadByte());
Assert.Equal(3, stream.ReadByte());
}
}
}
internal void Prepare(MemTable memTable)
{
foreach (var operation in _operations)
{
operation.Handle = memTable.Write(operation.Value);
if (DontDisposeStreamsAfterWrite)
continue;
operation.Value.Dispose();
}
}