public void TestCompactData_getString(object[] args, string expect_result)
{
CompactData data = new CompactData();
var start = new DateTime(2021, 8, 20);
data.Ticks = 0;
data.Args = args;
var result = data.GetString(start);
Assert.Equal(expect_result, result);
}
public void TestCompactWithoutTxn()
{
int i, nRecs;
nRecs = 10000;
testName = "TestCompactWithoutTxn";
SetUpTest(true);
string hashDBFileName = testHome + "/" + testName + ".db";
HashDatabaseConfig hashDBConfig = new HashDatabaseConfig();
hashDBConfig.Creation = CreatePolicy.ALWAYS;
// The minimum page size
hashDBConfig.PageSize = 512;
hashDBConfig.HashComparison =
new EntryComparisonDelegate(dbIntCompare);
using (HashDatabase hashDB = HashDatabase.Open(
hashDBFileName, hashDBConfig)) {
DatabaseEntry key;
DatabaseEntry data;
// Fill the database with entries from 0 to 9999
for (i = 0; i < nRecs; i++)
{
key = new DatabaseEntry(BitConverter.GetBytes(i));
data = new DatabaseEntry(BitConverter.GetBytes(i));
hashDB.Put(key, data);
}
/*
* Delete entries below 500, between 3000 and
* 5000 and above 7000
*/
for (i = 0; i < nRecs; i++)
{
if (i < 500 || i > 7000 || (i < 5000 && i > 3000))
{
key = new DatabaseEntry(BitConverter.GetBytes(i));
hashDB.Delete(key);
}
}
hashDB.Sync();
long fileSize = new FileInfo(hashDBFileName).Length;
// Compact database
CompactConfig cCfg = new CompactConfig();
cCfg.FillPercentage = 30;
cCfg.Pages = 10;
cCfg.Timeout = 1000;
cCfg.TruncatePages = true;
cCfg.start = new DatabaseEntry(BitConverter.GetBytes(1));
cCfg.stop = new DatabaseEntry(BitConverter.GetBytes(7000));
CompactData compactData = hashDB.Compact(cCfg);
Assert.IsFalse((compactData.Deadlocks == 0) &&
(compactData.Levels == 0) &&
(compactData.PagesExamined == 0) &&
(compactData.PagesFreed == 0) &&
(compactData.PagesTruncated == 0));
hashDB.Sync();
long compactedFileSize = new FileInfo(hashDBFileName).Length;
Assert.Less(compactedFileSize, fileSize);
}
}
public void TestCompact()
{
testName = "TestCompact";
SetUpTest(true);
string recnoDBFileName = testHome + "/" +
testName + ".db";
RecnoDatabaseConfig recnoConfig =
new RecnoDatabaseConfig();
recnoConfig.Creation = CreatePolicy.ALWAYS;
recnoConfig.Length = 512;
DatabaseEntry key, data;
RecnoDatabase recnoDB;
using (recnoDB = RecnoDatabase.Open(
recnoDBFileName, recnoConfig))
{
for (int i = 1; i <= 5000; i++)
{
data = new DatabaseEntry(
BitConverter.GetBytes(i));
recnoDB.Append(data);
}
for (int i = 1; i <= 5000; i++)
{
if (i > 500 && (i % 5 != 0))
{
key = new DatabaseEntry(
BitConverter.GetBytes(i));
recnoDB.Delete(key);
}
}
int startInt = 1;
int stopInt = 2500;
DatabaseEntry start, stop;
start = new DatabaseEntry(
BitConverter.GetBytes(startInt));
stop = new DatabaseEntry(
BitConverter.GetBytes(stopInt));
Assert.IsTrue(recnoDB.Exists(start));
Assert.IsTrue(recnoDB.Exists(stop));
CompactConfig cCfg = new CompactConfig();
cCfg.start = start;
cCfg.stop = stop;
cCfg.FillPercentage = 30;
cCfg.Pages = 1;
cCfg.returnEnd = true;
cCfg.Timeout = 5000;
cCfg.TruncatePages = true;
CompactData compactData = recnoDB.Compact(cCfg);
Assert.IsNotNull(compactData.End);
Assert.AreNotEqual(0, compactData.PagesExamined);
}
}
