public void TestBufferTrimming(Encoding encoding, int offset, int count, byte[] expectedLeadingBytes, byte[] expectedTrailingBytes, string description)
{
var trimmedBuffer = new TrimmedEncodedBuffer(encoding, buffer, offset, count);
Assert.AreEqual(expectedLeadingBytes.Length, trimmedBuffer.LeadingExtraBytesCount);
Assert.AreEqual(expectedTrailingBytes.Length, trimmedBuffer.TrailingExtraBytesCount);
Assert.AreEqual(trimmedBuffer.LeadingExtraBytesOffset + trimmedBuffer.LeadingExtraBytesCount, trimmedBuffer.Offset);
Assert.AreEqual(count, trimmedBuffer.LeadingExtraBytesCount + trimmedBuffer.Length + trimmedBuffer.TrailingExtraBytesCount);
for (var i = 0; i < expectedLeadingBytes.Length; ++i)
{
var bufferIndex = i + trimmedBuffer.LeadingExtraBytesOffset;
Assert.AreEqual(expectedLeadingBytes[i], trimmedBuffer.Buffer[bufferIndex], $"Discrepancy in leading extra bytes at index {bufferIndex}");
}
for (var i = 0; i < expectedTrailingBytes.Length; ++i)
{
var bufferIndex = i + trimmedBuffer.TrailingExtraBytesOffset;
Assert.AreEqual(expectedTrailingBytes[i], trimmedBuffer.Buffer[bufferIndex], $"Discrepancy in trailing extra bytes at index {bufferIndex}");
}
}
public void Test_GetLeadingBytesCount(Encoding encoding, int offset, int count, int expectedLeadingByteCount, byte[] bytes, string description)
{
var trimmedBuffer = new TrimmedEncodedBuffer(encoding, bytes, offset, count);
Assert.AreEqual(expectedLeadingByteCount, trimmedBuffer.LeadingExtraBytesCount);
}