public void File_ReadLine1()
{
var stream = new TestStream(false, B(
"a\r\n\r\nbbbbbbbbbbbbbbbbbbbbb1bbbbbbbbbbbbb2bbbbbbbbbbbbbbbbbbbbb3bbbbbbbbbbbbb4\rc\nd\n\n\n\nef")
);
foreach (int bufferSize in new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 100 })
{
stream.Seek(0, SeekOrigin.Begin);
var io = new RubyBufferedStream(stream, false, bufferSize);
TestReadLine(io, true, "a\r\n");
TestReadLine(io, true, "\r\n");
TestReadLine(io, true, "bbbbbbbbbbbbbbbbbbbbb1bbbbbbbbbbbbb2bbbbbbbbbbbbbbbbbbbbb3bbbbbbbbbbbbb4\rc\n");
TestReadLine(io, true, "d\n");
TestReadLine(io, true, "\n");
TestReadLine(io, true, "\n");
TestReadLine(io, true, "\n");
TestReadLine(io, true, "ef");
TestReadLine(io, true, null);
stream.Seek(0, SeekOrigin.Begin);
TestReadLine(io, false, "a\n");
TestReadLine(io, false, "\n");
TestReadLine(io, false, "bbbbbbbbbbbbbbbbbbbbb1bbbbbbbbbbbbb2bbbbbbbbbbbbbbbbbbbbb3bbbbbbbbbbbbb4\rc\n");
TestReadLine(io, false, "d\n");
TestReadLine(io, false, "\n");
TestReadLine(io, false, "\n");
TestReadLine(io, false, "\n");
TestReadLine(io, false, "ef");
TestReadLine(io, false, null);
}
}
public void File_AppendBytes1()
{
string s;
string crlf = "\r\n";
var stream = new TestStream(false, B(
"ab\r\r\n" +
"e" + (s = "fgh" + crlf + "ijkl" + crlf + "mnop" + crlf + crlf + crlf + crlf + "qrst") +
crlf + "!"
));
int s_crlf_count = 6;
var io = new RubyBufferedStream(stream);
Assert(io.PeekByte() == (byte)'a');
var buffer = MutableString.CreateBinary(B("foo:"));
Assert(io.AppendBytes(buffer, 4, false) == 4);
Assert(buffer.ToString() == "foo:ab\r\n");
buffer = MutableString.CreateBinary();
Assert(io.AppendBytes(buffer, 1, false) == 1);
Assert(buffer.ToString() == "e");
buffer = MutableString.CreateMutable("x:", RubyEncoding.Binary);
int c = s.Length - s_crlf_count - 2;
Assert(io.AppendBytes(buffer, c, false) == c);
Assert(buffer.ToString() == "x:" + s.Replace(crlf, "\n").Substring(0, c));
buffer = MutableString.CreateBinary();
Assert(io.AppendBytes(buffer, 10, false) == 4);
Assert(buffer.ToString() == "st\n!");
buffer = MutableString.CreateBinary();
Assert(io.AppendBytes(buffer, 10, false) == 0);
Assert(buffer.ToString() == "");
stream = new TestStream(false, B(s = "abcd" + crlf + "xyz" + crlf + "qqq;"));
io = new RubyBufferedStream(stream);
buffer = MutableString.CreateBinary();
Assert(io.AppendBytes(buffer, Int32.MaxValue, true) == s.Length);
io.BaseStream.Seek(0, SeekOrigin.Begin);
Assert(io.AppendBytes(buffer, Int32.MaxValue, false) == s.Length - 2);
Assert(buffer.ToString() == s + s.Replace(crlf, "\n"));
}
public void File_WriteBytes1()
{
var stream = new MemoryStream();
var io = new RubyBufferedStream(stream);
io.Write(new byte[] { 0, 1, 2, 3 }, 1, 2);
Assert(stream.ToArray().ValueEquals(new byte[] { 1, 2 }));
stream.Seek(0, SeekOrigin.Begin);
Assert(io.WriteBytes(new byte[] { 0, 1, 2, 3 }, 1, 2, true) == 2);
Assert(stream.ToArray().ValueEquals(new byte[] { 1, 2 }));
stream.Seek(0, SeekOrigin.Begin);
Assert(io.WriteBytes(new byte[] { 0, 1, 2, 3 }, 1, 2, false) == 2);
Assert(stream.ToArray().ValueEquals(new byte[] { 1, 2 }));
stream.Seek(0, SeekOrigin.Begin);
Assert(io.WriteBytes(new byte[] { 0, 1, (byte)'\n', 2 }, 1, 2, false) == 3);
Assert(stream.ToArray().ValueEquals(new byte[] { 1, (byte)'\r', (byte)'\n' }));
stream.Seek(0, SeekOrigin.Begin);
}
private void TestReadLine(RubyBufferedStream /*!*/ io, bool preserveEolns, string expected)
{
var s = io.ReadLine(RubyEncoding.Binary, preserveEolns, -1);
Assert(s == null && expected == null || s.ToString() == expected);
}
