public async Task Setup()
{
_rdiff = new Rdiff();
_v1 = new byte[Length];
new Random(5).NextBytes(_v1);
_v2 = new byte[Length];
for (int i = 0; i < Length; i++)
{
_v2[i] = (byte)(_v1[i] + 1);
}
var sig = new MemoryStream();
await _rdiff.SignatureAsync(new MemoryStream(_v1), sig);
_signature = sig.ToArray();
}
public async Task Setup()
{
_rdiff = new Rdiff();
_v1 = new byte[Length];
new Random(5).NextBytes(_v1);
var sigStream = new MemoryStream();
await _rdiff.SignatureAsync(
new MemoryStream(_v1),
sigStream);
var sig = sigStream.ToArray();
var deltaNoChange = new MemoryStream();
await _rdiff.DeltaAsync(
new MemoryStream(sig),
new MemoryStream(_v1),
deltaNoChange);
_deltaNoChange = deltaNoChange.ToArray();
var v2 = new byte[Length];
for (int i = 0; i < Length; i++)
{
v2[i] = (byte)(_v1[i] + 1);
}
var deltaAllChange = new MemoryStream();
await _rdiff.DeltaAsync(
new MemoryStream(sig),
new MemoryStream(v2),
deltaAllChange);
_deltaAllChange = deltaAllChange.ToArray();
}
public async Task Signature()
{
await _rdiff.SignatureAsync(
new MemoryStream(_content),
new NullStream());
}
public static async Task Test(
TestDirectory files,
BlockSequence blockSequence,
Mutation mutation,
SignatureOptions options,
int?blockToMutate = null)
{
var rdiff = new Rdiff(files);
var timings = new List <(TestFile, TimeSpan)>();
var timer = Stopwatch.StartNew();
blockSequence.WriteTo(files.Path(TestFile.v1));
timings.Add((TestFile.v1, timer.Elapsed));
timer.Restart();
using (var v1 = files.Read(TestFile.v1))
using (var sig = files.Write(TestFile.sig))
{
await _rdiff.SignatureAsync(v1, sig, options);
}
timings.Add((TestFile.sig, timer.Elapsed));
timer.Restart();
rdiff.Signature(TestFile.v1, TestFile.rs_sig, options);
timings.Add((TestFile.rs_sig, timer.Elapsed));
await AssertEqual(files, TestFile.rs_sig, TestFile.sig);
timer.Restart();
using (var v2 = files.Write(TestFile.v2))
using (var v1 = files.Read(TestFile.v1))
{
await mutation.WriteTo(
blockSequence.Blocks(v1),
i => i == (blockToMutate ?? i),
v2);
}
timings.Add((TestFile.v2, timer.Elapsed));
timer.Restart();
using (var sig = files.Read(TestFile.sig))
using (var v2 = files.Read(TestFile.v2))
using (var delta = files.Write(TestFile.delta))
{
await _rdiff.DeltaAsync(sig, v2, delta);
}
timings.Add((TestFile.delta, timer.Elapsed));
timer.Restart();
rdiff.Delta(TestFile.sig, TestFile.v2, TestFile.rs_delta);
timings.Add((TestFile.rs_delta, timer.Elapsed));
await AssertEqual(files, TestFile.rs_delta, TestFile.delta);
timer.Restart();
using (var delta = files.Read(TestFile.delta))
using (var v1 = files.Read(TestFile.v1))
using (var patched = files.Write(TestFile.patched))
{
await _rdiff.PatchAsync(v1, delta, patched);
}
timings.Add((TestFile.patched, timer.Elapsed));
await AssertEqual(files, TestFile.v2, TestFile.patched);
foreach (var(file, duration) in timings)
{
// Console.WriteLine($"{file}: {duration}");
}
}