private void BinaryRemoveButton_Click(object sender, EventArgs e)
{
if (!File.Exists(_binaryFile))
{
ShowMessage("Odstranìní není možné provést!\nBinární soubor není inicializován!\n\nPrvnì ho inicializujte!", MessageBoxIcon.Warning, "Chyba");
return;
}
BinaryStorage <VertexData> bs = new BinaryStorage <VertexData>(_binaryFile);
BinaryFindRemoveDialog dialog = new BinaryFindRemoveDialog(false);
if (dialog.ShowDialog() == DialogResult.OK)
{
try
{
if (bs.RemoveItem(dialog.Key, dialog.Method))
{
ShowMessage("Prvek s klíèem '" + dialog.Key + "' byl odstranìn!", MessageBoxIcon.Information, "Odstranìní");
}
else
{
ShowMessage("Prvek s klíèem '" + dialog.Key + "' nebylo možné odstranit!\nJe možné že již byl odstranìn!", MessageBoxIcon.Warning, "Odstranìní");
}
}
catch (Exception ex)
{
ShowMessage(ex.Message, MessageBoxIcon.Error, "Chyba");
}
}
}
static void Main(string[] args)
{
int cnt = 1;
List <Item> data = Random(cnt);
BinaryStorage <Item> bw = new BinaryStorage <Item>("./data.bin");
bw.WriteBinaryFile(data);
bw.Find("K_1");
bool res = bw.RemoveItem("K_1");
bw.Find("K_1");
List <Item> output = bw.ReadBinaryFile();
foreach (var i in output)
{
Console.WriteLine(i.Key);
}
/*for(int i = 1; i <= cnt; i++)
* {
* string search = "K_" + i;
* Item val = bw.Find(search, SearchMethod.Interpolation);
* if(val == null || val.Key != search)
* {
* break;
* }
* }*/
Console.ReadLine();
}
public void Remove_Binary_Test()
{
List <DataItem> data = Random(1000);
BinaryStorage <DataItem> bw = new BinaryStorage <DataItem>(_testFile, 100);
bw.WriteBinaryFile(data);
bool state;
foreach (var d in data)
{
state = bw.RemoveItem(d.Key, SearchMethod.Binary);
Assert.IsTrue(state);
}
}
public void Full_Interpolation_Test()
{
int valid = 500;
int full = 700;
List <DataItem> data = Random(valid);
List <DataItem> test = Random(full);
var rand = new Random((int)DateTime.UtcNow.Ticks);
BinaryStorage <DataItem> bw = new BinaryStorage <DataItem>(_testFile, 100);
bw.WriteBinaryFile(data);
bool state;
for (int i = 1; i <= full; i++)
{
int idx = rand.Next(0, test.Count - 1);
DataItem it = test[idx];
test.RemoveAt(idx);
DataItem fi = bw.Find(it.Key);
bool del = bw.RemoveItem(it.Key, SearchMethod.Interpolation);
if (it.KeyVal > valid)
{
Assert.IsNull(fi);
Assert.IsFalse(del);
}
else
{
Assert.IsNotNull(fi);
Assert.IsTrue(del);
data = data.Where(k => k.KeyVal != it.KeyVal).ToList();
}
List <DataItem> loaded = bw.ReadBinaryFile();
Assert.IsTrue(ListContainSameValues(data, loaded));
}
}
public void Remove_Binary_More_Test()
{
List <DataItem> data = Random(2000);
List <DataItem> delete = Random(3000);
BinaryStorage <DataItem> bw = new BinaryStorage <DataItem>(_testFile, 100);
bw.WriteBinaryFile(data);
bool state;
for (int i = 1; i <= 3000; i++)
{
state = bw.RemoveItem(delete[i - 1].Key, SearchMethod.Binary);
if (i > 2000)
{
Assert.IsFalse(state);
}
else
{
Assert.IsTrue(state);
}
}
}