private void ModifyTestData(int iterration)
{
FileStream fs = new FileStream(TestFileName(), FileMode.Open);
IndexedFile.IndexedFile file = new IndexedFile.IndexedFile(fs, 256, true);
for (int i = 0; i < nrItems; i++)
{
byte[] buffer = new byte[i + iterration];
for (int j = 0; j < buffer.Length; j++)
buffer[j] = (byte)(j % (1+iterration % 3));
file.Write(keys[i], buffer, 0, buffer.Length);
}
file.Dispose();
fs.Close();
}
private void ReadModifiedTestData(int iterration)
{
FileStream fs = new FileStream(TestFileName(), FileMode.Open);
IndexedFile.IndexedFile file = new IndexedFile.IndexedFile(fs, 256, true);
for (int i = 0; i < nrItems; i++)
{
byte[] buffer = file.Read(keys[i]);
Assert.IsTrue(i + iterration == buffer.Length);
for (int j = 0; j < buffer.Length; j++)
Assert.IsTrue(buffer[j] == (byte)(j % (1+iterration % 3)));
}
file.Dispose();
fs.Close();
}
private void ModifyTestData(int iterration)
{
FileStream fs = new FileStream(TestFileName(), FileMode.Open);
IndexedFile.IndexedFile file = new IndexedFile.IndexedFile(fs, 256, true);
for (int i = 0; i < nrItems; i++)
{
byte[] buffer = new byte[i + iterration];
for (int j = 0; j < buffer.Length; j++)
{
buffer[j] = (byte)(j % (1 + iterration % 3));
}
file.Write(keys[i], buffer, 0, buffer.Length);
}
file.Dispose();
fs.Close();
}
private void WriteTestData()
{
FileStream fs = new FileStream(TestFileName(), FileMode.Create);
IndexedFile.IndexedFile file = new IndexedFile.IndexedFile(fs, 256, true);
for (int i = 0; i < nrItems; i++)
{
byte[] buffer = new byte[i];
for (int j = 0; j < buffer.Length; j++)
{
buffer[j] = (byte)(j % 256);
}
file.Write(keys[i], buffer, 0, buffer.Length);
}
file.Dispose();
fs.Close();
}
private void ReadTestData()
{
FileStream fs = new FileStream(TestFileName(), FileMode.Open);
IndexedFile.IndexedFile file = new IndexedFile.IndexedFile(fs, 256, true);
for (int i = 0; i < nrItems; i++)
{
byte[] buffer = file.Read(keys[i]);
Assert.IsTrue(i == buffer.Length);
for (int j = 0; j < buffer.Length; j++)
{
Assert.IsTrue(buffer[j] == (byte)(j % 256));
}
}
file.Dispose();
fs.Close();
}
private void WriteTestData()
{
FileStream fs = new FileStream(TestFileName(), FileMode.Create);
IndexedFile.IndexedFile file = new IndexedFile.IndexedFile(fs, 256, true);
for (int i = 0; i < nrItems; i++)
{
byte[] buffer = new byte[i];
for (int j = 0; j < buffer.Length; j++)
buffer[j] = (byte)(j % 256);
file.Write(keys[i], buffer, 0, buffer.Length);
}
file.Dispose();
fs.Close();
}