public void TestStats()
{
testName = "TestStats";
SetUpTest(true);
string dbFileName = testHome + "/" +
testName + ".db";
RecnoDatabaseConfig dbConfig =
new RecnoDatabaseConfig();
ConfigCase1(dbConfig);
RecnoDatabase db = RecnoDatabase.Open(dbFileName,
dbConfig);
RecnoStats stats = db.Stats();
ConfirmStatsPart1Case1(stats);
// Put 1000 records into the database.
PutRecordCase1(db, null);
stats = db.Stats();
ConfirmStatsPart2Case1(stats);
// Delete 500 records.
for (int i = 250; i <= 750; i++)
{
db.Delete(new DatabaseEntry(BitConverter.GetBytes(i)));
}
stats = db.Stats();
ConfirmStatsPart3Case1(stats);
db.Close();
}
public void ConfirmStatsPart2Case1(RecnoStats stats)
{
Assert.AreEqual(0, stats.DuplicatePages);
Assert.AreEqual(0, stats.DuplicatePagesFreeBytes);
Assert.AreNotEqual(0, stats.InternalPages);
Assert.AreNotEqual(0, stats.InternalPagesFreeBytes);
Assert.AreNotEqual(0, stats.LeafPages);
Assert.AreNotEqual(0, stats.LeafPagesFreeBytes);
Assert.AreEqual(1000, stats.nData);
Assert.AreEqual(1000, stats.nKeys);
Assert.AreNotEqual(0, stats.OverflowPages);
Assert.AreNotEqual(0, stats.OverflowPagesFreeBytes);
}
public void ConfirmStatsPart1Case1(RecnoStats stats)
{
Assert.AreEqual(1, stats.EmptyPages);
Assert.AreEqual(1, stats.Levels);
Assert.AreNotEqual(0, stats.MagicNumber);
Assert.AreEqual(10, stats.MetadataFlags);
Assert.AreEqual(2, stats.MinKey);
Assert.AreEqual(2, stats.nPages);
Assert.AreEqual(4096, stats.PageSize);
Assert.AreEqual(4000, stats.RecordLength);
Assert.AreEqual(256, stats.RecordPadByte);
Assert.AreEqual(10, stats.Version);
}
public void ConfirmStatsPart3Case1(RecnoStats stats)
{
Assert.AreNotEqual(0, stats.FreePages);
}