public void TestGoldEncodes()
{
var tests = new string[][] {
new string[] { "upstream/alice29.txt", "gold/alice29.txt.gold" },
new string[] { "upstream/asyoulik.txt", "gold/asyoulik.txt.gold" },
new string[] { "upstream/fireworks.jpeg", "gold/fireworks.jpeg.gold" },
new string[] { "upstream/geo.protodata", "gold/geo.protodata.gold" },
new string[] { "upstream/html", "gold/html.gold" },
new string[] { "upstream/html_x_4", "gold/html_x_4.gold" },
new string[] { "upstream/kppkn.gtb", "gold/kppkn.gtb.gold" },
new string[] { "upstream/lcet10.txt", "gold/lcet10.txt.gold" },
new string[] { "upstream/paper-100k.pdf", "gold/paper-100k.pdf.gold" },
new string[] { "upstream/plrabn12.txt", "gold/plrabn12.txt.gold" },
new string[] { "upstream/urls.10K", "gold/urls.10K.gold" },
};
foreach (var test in tests)
{
var data = ReadAll(TestFile(test[0]));
var gold = ReadAll(TestFile(test[1]));
var comp = SnappyEncoder.Encode(data);
Assert.AreEqual(gold.Length, comp.Length);
AssertArraysEqual(gold, comp);
Roundtrip(data);
}
}
void Roundtrip(byte[] data)
{
var comp = SnappyEncoder.Encode(data);
var decomp = SnappyDecoder.Decode(comp);
Assert.AreEqual(data.Length, decomp.Length);
AssertArraysEqual(data, decomp);
}
public void TestEmpty()
{
byte[] data = new byte[] { };
var comp = SnappyEncoder.Encode(data);
AssertArraysEqual(new byte[] { 0x00 }, comp);
}
public void TestPaddedEncode()
{
byte[] data = new byte[] {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
};
var off = Padded(data, 5, 0);
var comp = SnappyEncoder.Encode(off, 5, off.Length - 5);
AssertArraysEqual(SnappyEncoder.Encode(data), comp);
}
public void TestSimple()
{
byte[] data = new byte[] {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
};
var comp = SnappyEncoder.Encode(data);
AssertArraysEqual(new byte[] {
0x12, 0x20, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x15, 0x09
}, comp);
Roundtrip(data);
}
public void TestPaddedEncodeToOffset()
{
byte[] data = new byte[] {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
};
var off = Padded(data, 5, 5);
var dst = new byte[SnappyEncoder.MaxEncodedLen(off.Length) + 3];
var len = SnappyEncoder.Encode(off, 5, data.Length, dst, 3, dst.Length - 3);
var comp = new byte[len];
Array.Copy(dst, 3, comp, 0, len);
AssertArraysEqual(SnappyEncoder.Encode(data), comp);
}
