public void TestReadNCR(string sDebugStream, long ibStart, long ibLim, long lcbSwapBuffer,
string[] rgsNCRExpected, string[] rgsNonNCRExpected, long ibSeekExpected, string sExpectedException)
{
DebugStream stm = DebugStream.StmCreateFromString(sDebugStream + "aaaa\n");
BufferedStreamEx stmx = new BufferedStreamEx(stm, ibStart, ibLim, lcbSwapBuffer);
TestDelegate t = () =>
{
// to do this test, we will construct the string before and after NCRs. a null
// in the expected string is where an NCR is expected.
StringBuilder sb = new StringBuilder();
byte b;
int iNonNCR = 0;
int iNCR = 0;
bool fSkipNextNCRStart = false; // this means we have tried this &, and its not an NCR
while (stmx.ReadByte(out b) != SwapBuffer.ReadByteBufferState.SourceDataExhausted)
{
if (fSkipNextNCRStart || b != '&')
{
sb.Append((char)b);
fSkipNextNCRStart = false;
continue;
}
// read the possible NCR
string sAcceptedNCR;
if (!stmx.ReadNCR(out sAcceptedNCR))
{
fSkipNextNCRStart = true;
continue;
}
// we have an NCR!
// confirm we match the before NCR, the null placeholder for the NCR, and the NCR
Assert.AreEqual(rgsNonNCRExpected[iNonNCR++], sb.ToString());
Assert.AreEqual(rgsNonNCRExpected[iNonNCR++], null); // there should be a null
Assert.AreEqual(rgsNCRExpected[iNCR++], sAcceptedNCR);
sb.Clear();
// and continue
}
// at this point there can't be any NCR's
Assert.AreEqual(rgsNCRExpected.Length, iNCR);
Assert.AreEqual(rgsNonNCRExpected[iNonNCR], sb.ToString());
Assert.AreEqual(ibSeekExpected, stmx.Position());
};
if (sExpectedException != null)
{
RunTestExpectingException(t, sExpectedException);
}
else
{
t();
}
}
/*----------------------------------------------------------------------------
* %%Function: TestReadLineWithStreamEndingAtFileLimit
* %%Qualified: TCore.StreamEx.BufferedStreamEx.TestReadLineWithStreamEndingAtFileLimit
* %%Contact: rlittle
*
* ----------------------------------------------------------------------------*/
public static void TestReadLineWithStreamEndingAtFileLimit(string sDebugStream, long ibStart, long ibLim, long lcbSwapBuffer, string[] rgsExpected, long ibSeekExpected, string sExpectedException)
{
DebugStream stm = DebugStream.StmCreateFromString(sDebugStream);
BufferedStreamEx stmx = new BufferedStreamEx(stm, ibStart, ibLim, lcbSwapBuffer);
TestDelegate t = () =>
{
foreach (string s in rgsExpected)
{
Assert.AreEqual(s, stmx.ReadLine());
}
Assert.AreEqual(ibSeekExpected, stmx.Position());
};
if (sExpectedException != null)
{
RunTestExpectingException(t, sExpectedException);
}
else
{
t();
}
}