public void TestZap()
{
BlockListImpl list = new BlockListImpl();
// verify that you can zap anything
for (int j = -2; j < 10; j++)
{
list.Zap(j);
}
RawDataBlock[] blocks = new RawDataBlock[5];
for (int j = 0; j < 5; j++)
{
blocks[j] =
new RawDataBlock(new MemoryStream(new byte[512]));
}
ListManagedBlock[] tmp = (ListManagedBlock[])blocks;
list.SetBlocks(tmp);
for (int j = -2; j < 10; j++)
{
list.Zap(j);
}
// verify that all blocks are gone
for (int j = 0; j < 5; j++)
{
try
{
list.Remove(j);
Assert.Fail("removing item " + j + " should not have succeeded");
}
catch (IOException )
{
}
}
}
public void TestRemove()
{
BlockListImpl list = new BlockListImpl();
RawDataBlock[] blocks = new RawDataBlock[5];
byte[] data = new byte[512 * 5];
for (int j = 0; j < 5; j++)
{
for (int k = j * 512; k < (j * 512) + 512; k++)
{
data[k] = (byte)j;
}
}
MemoryStream stream = new MemoryStream(data);
for (int j = 0; j < 5; j++)
{
blocks[j] = new RawDataBlock(stream);
}
ListManagedBlock[] tmp = (ListManagedBlock[])blocks;
list.SetBlocks(tmp);
// verify that you can't Remove illegal indices
for (int j = -2; j < 10; j++)
{
if ((j < 0) || (j >= 5))
{
try
{
list.Remove(j);
Assert.Fail("removing item " + j + " should have Assert.Failed");
}
catch (IOException )
{
}
}
}
// verify we can safely and correctly Remove all blocks
for (int j = 0; j < 5; j++)
{
byte[] outPut = list.Remove(j).Data;
for (int k = 0; k < 512; k++)
{
Assert.AreEqual(data[(j * 512) + k], outPut[k], "testing block " + j + ", index " + k);
}
}
// verify that all blocks are gone
for (int j = 0; j < 5; j++)
{
try
{
list.Remove(j);
Assert.Fail("removing item " + j + " should not have succeeded");
}
catch (IOException )
{
}
}
}