public void BufferPutBufferTestBounds()
{
for (int offset1 = 0; offset1 < 16; offset1++)
{
for (int offset2 = 0; offset2 < 16; offset2++)
{
for (int length = 2; length < 14; length++)
{
byte[] data = new byte[40];
for (int i = 0; i < data.Length; i++)
{
data[i] = 0xff;
}
var dBitBuffer = new BitBuffer(data, offset2, length);
var bWrite = dBitBuffer;
bWrite.Put(false);
bWrite.Position += length - 2;
bWrite.Put(false);
var b = new BitBuffer(new byte[60], offset1);
b.Put(dBitBuffer);
var oldArray = dBitBuffer.ToArray();
b = b.FromStartToPosition();
var newArr = b.ToArray();
CollectionAssert.AreEqual(oldArray, newArr, "offset1=" + offset1 + ", offset2 = " + offset2 + ", length=" + length);
Assert.IsTrue(dBitBuffer.BufferEquals(b), "offset1=" + offset1 + ", offset2 = " + offset2 + ", length=" + length);
}
}
}
}
public void TestPutGetBitBuffer()
{
var b = new BitBuffer(new byte[1024]);
var r = new Random(0);
for (int i = 0; i < b.data.Length / 4; i++)
{
b.Put(r.Next());
}
for (int i = 0; i < 16; i++)
{
for (int length = 0; length < 32; length++)
{
for (int offset = 0; offset < 16; offset++)
{
var c = new BitBuffer(new byte[(int)Math.Ceiling((offset + length) / 8f)], offset);
c.Put(b.GetBitsAt(i, length));
c = c.FromStartToPosition();
CollectionAssert.AreEqual(b.GetBitsAt(i, length).ToArray(), c.ToArray(), "i=" + i + ", length=" + length + ", offset=" + offset);
Assert.IsTrue(b.GetBitsAt(i, length).BufferEquals(c), "i=" + i + ", length=" + length + ", offset=" + offset);
}
}
}
}
public void Test()
{
// https://www.h-schmidt.net/FloatConverter/IEEE754.html
byte[] tmp = new byte[400];
byte[] expectedMessage = new byte[] {
0x56, 0x47, 0x68, 0x70, 0x63, 0x79, 0x42, 0x70,
0x63, 0x79, 0x42, 0x68, 0x49, 0x48, 0x52, 0x6c,
0x63, 0x33, 0x51, 0x67, 0x62, 0x57, 0x56, 0x7a,
0x63, 0x32, 0x46, 0x6e, 0x5a, 0x53, 0x45, 0x3d
};
for (int off = 0; off < 30; off++)
{
for (int len = 300; len < 330; len++)
{
BitBuffer b = new BitBuffer(tmp, off, len);
{
Assert.AreEqual(off, b.absPosition);
Assert.AreEqual(0, b.Position);
Assert.AreEqual(off + len, b.absLength);
Assert.AreEqual(len, b.Length);
Assert.AreEqual(off, b.absOffset);
}
b.Put((ushort)0x4756);
b.Put((byte)0x11);
b.Put((byte)0x70);
b.PutAt(1 * 8, (ushort)0x6847);
b.Put(0x70427963);
b.Position += 64;
b.Put((ulong)0x7a56576267513363);
b.Position = 8 * 8;
b.Put(3.67351315E+24f);
b.Put(1.01686312E+27f);
b.Position += 64;
b.Put(1.5152749180821361E-13d);
Assert.IsTrue(b.FromStartToPosition().BufferEquals(new BitBuffer(expectedMessage)), "off=" + off + ", len=" + len);
Assert.AreEqual(off + expectedMessage.Length * 8, b.absPosition);
Assert.AreEqual(off, b.absOffset);
Assert.AreEqual(expectedMessage.Length * 8, b.Position);
Assert.AreEqual(len, b.Length);
Assert.AreEqual(off + len, b.absLength);
Assert.IsTrue(b.BufferEquals(b));
}
}
}
public void ToArrayTest()
{
Random r = new Random(0);
for (int offset = 0; offset < 16; offset++)
{
byte[] data = new byte[40];
r.NextBytes(data);
var b = new BitBuffer(new byte[60], offset);
b.Put(data);
var newArr = b.FromStartToPosition().ToArray();
CollectionAssert.AreEqual(data, newArr, "offset=" + offset);
}
}
public void BufferPutBuffer()
{
Random r = new Random(0);
for (int offset1 = 0; offset1 < 16; offset1++)
{
byte[] data = new byte[40];
r.NextBytes(data);
for (int offset2 = 0; offset2 < 16; offset2++)
{
var dBitBuffer = new BitBuffer(data, offset2, 4 * 8);
var b = new BitBuffer(new byte[60], offset1);
b.Put(dBitBuffer);
var oldArray = dBitBuffer.ToArray();
b = b.FromStartToPosition();
var newArr = b.ToArray();
CollectionAssert.AreEqual(oldArray, newArr, "offset1=" + offset1 + ", offset2 = " + offset2);
Assert.IsTrue(dBitBuffer.BufferEquals(b), "offset1=" + offset1 + ", offset2 = " + offset2);
}
}
}
