void TestBoundedBuffer::TestReadBuffer()
{
BoundedBuffer buf (NULL, 10);
buf.WriteStringAt(0, _T("abc"), 3);
BoundedBuffer newbuf(buf.ReadBufferAt(0, 3));
assertMessage(newbuf.m_iMaxSize == 3, _T("Failed to read the buffer"));
assertMessage(newbuf.ReadStringAt(0, 3) == _T("abc"), _T("Failed to read the buffer"));
}
void TestBoundedBuffer::TestResizeBuffer()
{
BoundedBuffer buf (NULL, 10);
buf.WriteStringAt(0, _T("abcdefghij"), 10);
buf.ResizeBuffer(5);
assertMessage(buf.m_iMaxSize == 5, _T("Resize failed"));
assertMessage(buf.ReadStringAt(0, 5) == _T("abcde"), _T("Buffer contents should not be lost after resize"));
buf.ResizeBuffer(15);
assertMessage(buf.m_iMaxSize == 15, _T("Resize failed"));
assertMessage(buf.ReadStringAt(0, 5) == _T("abcde"), _T("Buffer contents should not be lost after resize"));
for(int i = 5; i < 15; ++i)
{
assertMessage(buf.ReadCharAt(i) == 0, _T("Failed to null out the new bytes"));
}
}
void TestBoundedBuffer::TestWriteBuffer()
{
unsigned char MasterBuf [100];
unsigned char NotMasterBuf [200];
BoundedBuffer master (MasterBuf, 100);
BoundedBuffer smaller (NotMasterBuf, 50);
BoundedBuffer bigger (NotMasterBuf, 200);
master.ClearBuffer();
smaller.ClearBuffer();
smaller.WriteStringAt(0, _T("Hello Smaller"), 13);
master.WriteBufferAt(0, smaller);
assertMessage(CStdString((char*)(master.m_pBuf)) == _T("Hello Smaller"), _T("Failed to write the buffer"));
assertThrows(master.WriteBufferAt(0, bigger), Workshare::Exception);
assertMessage(CStdString((char*)(master.m_pBuf)) == _T("Hello Smaller"), _T("The buffer should throw without changing state if the incomming buffer is too large"));
}
