private static async Task WriteToDB(short threadId, KeyValueGenerator generator, int numberOfIterations, TrimDatabase trimDB)
{
await Task.Yield();
var keyMemory = new byte[_keySize];
var valueMemory = new byte[_valueSize];
for (var i = 0; i < numberOfIterations; i++)
{
generator.GetKeyValue(keyMemory.AsSpan(), valueMemory.AsSpan(), threadId, numberOfIterations);
await trimDB.PutAsync(keyMemory, valueMemory);
}
}
public async Task TestSkipListOverflow()
{
var loadedWords = CommonData.Words;
var folder = "D:\\Database";
foreach (var f in System.IO.Directory.GetFiles(folder))
{
System.IO.File.Delete(f);
}
using var blocks = new MMapBlockCache();
var dbOptions = new TrimDatabaseOptions()
{
DatabaseFolder = folder
};
var db = new TrimDatabase(dbOptions);
await db.LoadAsync();
foreach (var word in loadedWords)
{
var utf8 = Encoding.UTF8.GetBytes(word);
var value = Encoding.UTF8.GetBytes($"VALUE={word}");
await db.PutAsync(utf8, value);
}
var key = Encoding.UTF8.GetBytes(loadedWords[0]);
var expectedValue = Encoding.UTF8.GetBytes($"VALUE={loadedWords[0]}");
var result = await db.GetAsync(key);
Assert.Equal(expectedValue.ToArray(), result.ToArray());
key = Encoding.UTF8.GetBytes(loadedWords[loadedWords.Length / 2]);
expectedValue = Encoding.UTF8.GetBytes($"VALUE={loadedWords[loadedWords.Length / 2]}");
result = await db.GetAsync(key);
Assert.Equal(expectedValue.ToArray(), result.ToArray());
key = Encoding.UTF8.GetBytes(loadedWords[^ 1]);