public void ReadBytesTest()
{
int bufferLength = 10;
int chunkSize = 2;
byte[] input = new byte[bufferLength];
byte[] output = new byte[bufferLength];
byte[] chunk = new byte[chunkSize];
for (int index = 0; index < bufferLength; index++)
{
input[index] = (byte)(index + 10);
output[index] = 0xff;
}
WangStream wangStream = new WangStream(input);
int read = 0;
while (wangStream.AvailableBytes() != 0)
{
Assert.IsFalse(wangStream.IsEnd());
wangStream.ReadBytes(chunk, chunkSize);
Array.Copy(chunk, 0, output, read, chunkSize);
read += chunkSize;
}
Assert.IsTrue(wangStream.IsEnd());
Assert.AreEqual(0, wangStream.AvailableBytes());
Assert.AreEqual(bufferLength, output.Length);
for (int index = 0; index < bufferLength; index++)
{
Assert.AreEqual(input[index], output[index]);
}
}
public void ReadInt32Test()
{
byte[] input = new byte[4] {
0xff, 0xFF, 0xff, 0xFF
};
WangStream wangStream = new WangStream(input);
Assert.IsFalse(wangStream.IsEnd());
Assert.AreEqual(-1, wangStream.ReadInt32());
Assert.AreEqual(0, wangStream.AvailableBytes());
Assert.IsTrue(wangStream.IsEnd());
Assert.AreEqual(0, wangStream.AvailableBytes());
}
public void SkipBytesTest()
{
byte[] input = new byte[4] {
1, 2, 3, 4
};
WangStream wangStream = new WangStream(input);
Assert.IsFalse(wangStream.IsEnd());
wangStream.SkipBytes(2);
Assert.IsFalse(wangStream.IsEnd());
Assert.AreEqual(2, wangStream.AvailableBytes());
Assert.AreEqual(3, wangStream.ReadByte());
Assert.IsFalse(wangStream.IsEnd());
Assert.AreEqual(1, wangStream.AvailableBytes());
}
public void ReadByteTest()
{
byte[] input = new byte[3] {
1, 2, 3
};
WangStream wangStream = new WangStream(input);
for (int index = 0; index < input.Length; index++)
{
Assert.IsFalse(wangStream.IsEnd());
Assert.AreEqual(input.Length - index, wangStream.AvailableBytes());
Assert.AreEqual(input[index], wangStream.ReadByte());
}
Assert.IsTrue(wangStream.IsEnd());
Assert.AreEqual(0, wangStream.AvailableBytes());
}