public void StreamUtils_EncodeDecodeSafeSynchInt()
{
Random rnd = new Random(DateTime.Now.Millisecond);
int ticks = rnd.Next(0, (int)(Math.Floor(Math.Pow(2, 28) / 2) - 1));
// 4-byte synchsafe (28 bits)
byte[] encoded = StreamUtils.EncodeSynchSafeInt(ticks, 4);
int decoded = StreamUtils.DecodeSynchSafeInt(encoded);
Assert.AreEqual(ticks, decoded);
ticks = rnd.Next(0, (int)(Math.Floor(Math.Pow(2, 32) / 2) - 1));
// 5-byte synchsafe (32 bits)
encoded = StreamUtils.EncodeSynchSafeInt(ticks, 5);
decoded = StreamUtils.DecodeSynchSafeInt(encoded);
Assert.AreEqual(ticks, decoded);
int test = 0x0000FFFF;
encoded = StreamUtils.EncodeSynchSafeInt(test, 4);
Assert.AreEqual(0x7F, encoded[3]);
Assert.AreEqual(0x7F, encoded[2]);
Assert.AreEqual(0x03, encoded[1]);
Assert.AreEqual(0x00, encoded[0]);
Assert.AreEqual(test, StreamUtils.DecodeSynchSafeInt(encoded));
test = 0x04ADD3AC;
encoded = StreamUtils.EncodeSynchSafeInt32(test);
Assert.AreEqual(0x2C, encoded[3]);
Assert.AreEqual(0x27, encoded[2]);
Assert.AreEqual(0x37, encoded[1]);
Assert.AreEqual(0x25, encoded[0]);
Assert.AreEqual(test, StreamUtils.DecodeSynchSafeInt32(encoded));
}
public void StreamUtils_Exceptions()
{
Assert.IsFalse(StreamUtils.ArrEqualsArr(new byte[1], new byte[2]));
Assert.IsFalse(StreamUtils.StringEqualsArr(".", new char[2]));
try
{
StreamUtils.DecodeBEUInt16(new byte[1]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeUInt16(new byte[1]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeInt16(new byte[1]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeBEInt16(new byte[1]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeBEInt24(new byte[2]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeBEUInt24(new byte[2]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.EncodeBEUInt24(0x01FFFFFF);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeBEUInt32(new byte[3]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeUInt32(new byte[3]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeBEInt32(new byte[3]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeInt32(new byte[3]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeUInt64(new byte[7]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeBEInt64(new byte[7]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeSynchSafeInt(new byte[6]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.DecodeSynchSafeInt32(new byte[6]);
Assert.Fail();
}
catch { }
try
{
StreamUtils.EncodeSynchSafeInt(1, 0);
Assert.Fail();
}
catch { }
try
{
StreamUtils.EncodeSynchSafeInt(1, 6);
Assert.Fail();
}
catch { }
try
{
StreamUtils.ReadBits(new BinaryReader(new MemoryStream()), 0, 0);
Assert.Fail();
}
catch { }
try
{
StreamUtils.ReadBits(new BinaryReader(new MemoryStream()), 0, 33);
Assert.Fail();
}
catch { }
}