public void ConstructorTest3_IllegalNotReadable()
{
var path = Path.GetTempFileName();
try
{
Exception ex = Assert.Throws <ArgumentException>(() =>
{
using (Stream ofs = new FileStream(path, FileMode.Open, FileAccess.Write, FileShare.ReadWrite))
using (TextWriter writer = new StreamWriter(ofs))
{
using (Stream ifs = new FileStream(path, FileMode.Open, FileAccess.Write, FileShare.Delete | FileShare.ReadWrite))
using (TailFollowStream tail = new TailFollowStream(ifs, true))
using (TextReader reader = new StreamReader(tail))
{
}
}
});
Assert.AreEqual("不適切なストリームが指定されました。", ex.Message);
}
finally
{
File.Delete(path);
}
}
public void ConstructorTest2_FromEnd()
{
var path = Path.GetTempFileName();
try
{
using (Stream ofs = new FileStream(path, FileMode.Open, FileAccess.Write, FileShare.Read))
using (TextWriter writer = new StreamWriter(ofs))
{
writer.WriteLine("こんにちは");
writer.Flush();
using (Stream ifs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Delete | FileShare.ReadWrite))
using (TailFollowStream tail = new TailFollowStream(ifs, true))
using (TextReader reader = new StreamReader(tail))
{
var job = Task<bool>.Factory.StartNew(() =>
{
Assert.AreEqual("さようなら", reader.ReadLine());
return true;
});
writer.WriteLine("さようなら");
writer.Flush();
job.Wait();
Assert.True(job.Result);
}
}
}
finally
{
File.Delete(path);
}
}
public void ConstructorTest2_FromEnd()
{
var path = Path.GetTempFileName();
try
{
using (Stream ofs = new FileStream(path, FileMode.Open, FileAccess.Write, FileShare.Read))
using (TextWriter writer = new StreamWriter(ofs))
{
writer.WriteLine("こんにちは");
writer.Flush();
using (Stream ifs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Delete | FileShare.ReadWrite))
using (TailFollowStream tail = new TailFollowStream(ifs, true))
using (TextReader reader = new StreamReader(tail))
{
var job = Task <bool> .Factory.StartNew(() =>
{
Assert.AreEqual("さようなら", reader.ReadLine());
return(true);
});
writer.WriteLine("さようなら");
writer.Flush();
job.Wait();
Assert.True(job.Result);
}
}
}
finally
{
File.Delete(path);
}
}
public void CanSeekGetTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.False(tail.CanSeek);
}
}
public void CanWriteGetTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.False(tail.CanWrite);
}
}
public void LengthGetTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws <NotSupportedException>(() =>
{
long len = tail.Length;
});
}
}
public void PositionSetTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws <NotSupportedException>(() =>
{
tail.Position = 0;
});
}
}
public void SeekTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws <NotSupportedException>(() =>
{
tail.Seek(0, SeekOrigin.Begin);
});
}
}
public void FlushTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws <NotSupportedException>(() =>
{
tail.Flush();
});
}
}
public void WriteTest()
{
using (Stream s = new MemoryStream())
{
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws <NotSupportedException>(() =>
{
tail.Write(null, 0, 0);
});
}
}
}
public void ConstructorTest1_FromStart()
{
using (Stream s = new MemoryStream())
using (TextWriter writer = new StreamWriter(s))
{
writer.WriteLine("こんにちは");
writer.Flush();
s.Seek(0, SeekOrigin.Begin);
using (TailFollowStream tail = new TailFollowStream(s))
using (TextReader reader = new StreamReader(tail))
{
Assert.AreEqual("こんにちは", reader.ReadLine());
}
}
}
public void ConstructorTest1_FromStart()
{
using (Stream s = new MemoryStream())
using (TextWriter writer = new StreamWriter(s))
{
writer.WriteLine("こんにちは");
writer.Flush();
s.Seek(0, SeekOrigin.Begin);
using (TailFollowStream tail = new TailFollowStream(s))
using (TextReader reader = new StreamReader(tail))
{
Assert.AreEqual("こんにちは", reader.ReadLine());
}
}
}
public void Read1_AfterDispose()
{
using (Stream s = new MemoryStream())
{
using (TailFollowStream tail = new TailFollowStream(s))
{
tail.Close();
Exception ex = Assert.Throws <ObjectDisposedException>(() =>
{
tail.Read(null, 0, 0);
});
//メッセージは環境依存だったのでチェックしない
//Assert.AreEqual("破棄されたオブジェクトにアクセスできません。\r\nオブジェクト名 'Hakusai.IO.TailFollowStream' です。", ex.Message);
}
}
}
public void Read3_StopWhileInternalRead()
{
var path = Path.GetTempFileName();
try
{
using (Stream ofs = new FileStream(path, FileMode.Open, FileAccess.Write, FileShare.Read))
using (TextWriter writer = new StreamWriter(ofs))
{
writer.WriteLine("こんにちは");
writer.Flush();
using (WaitableReadFileStream ifs = new WaitableReadFileStream(path, FileMode.Open, FileAccess.Read, FileShare.Delete | FileShare.ReadWrite))
using (TailFollowStream tail = new TailFollowStream(ifs))
using (TextReader reader = new StreamReader(tail))
{
var job = Task <bool> .Factory.StartNew(() =>
{
Assert.AreEqual("こんにちは", reader.ReadLine());
Assert.AreEqual("さようなら", reader.ReadLine());
ifs.ReadWait = 1000;
Assert.IsNull(reader.ReadLine());
return(true);
});
writer.WriteLine("さようなら");
writer.Flush();
Thread.Sleep(500);
reader.Close();
job.Wait();
Assert.True(job.Result);
}
}
}
finally
{
File.Delete(path);
}
}
public void WriteTest()
{
using (Stream s = new MemoryStream())
{
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws<NotSupportedException>(() =>
{
tail.Write(null, 0, 0);
});
}
}
}
public void SetLengthTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws<NotSupportedException>(() =>
{
tail.SetLength(0);
});
}
}
public void SeekTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws<NotSupportedException>(() =>
{
tail.Seek(0, SeekOrigin.Begin);
});
}
}
public void Read3_StopWhileInternalRead()
{
var path = Path.GetTempFileName();
try
{
using (Stream ofs = new FileStream(path, FileMode.Open, FileAccess.Write, FileShare.Read))
using (TextWriter writer = new StreamWriter(ofs))
{
writer.WriteLine("こんにちは");
writer.Flush();
using (WaitableReadFileStream ifs = new WaitableReadFileStream(path, FileMode.Open, FileAccess.Read, FileShare.Delete | FileShare.ReadWrite))
using (TailFollowStream tail = new TailFollowStream(ifs))
using (TextReader reader = new StreamReader(tail))
{
var job = Task<bool>.Factory.StartNew(() =>
{
Assert.AreEqual("こんにちは", reader.ReadLine());
Assert.AreEqual("さようなら", reader.ReadLine());
ifs.ReadWait = 1000;
Assert.IsNull(reader.ReadLine());
return true;
});
writer.WriteLine("さようなら");
writer.Flush();
Thread.Sleep(500);
reader.Close();
job.Wait();
Assert.True(job.Result);
}
}
}
finally
{
File.Delete(path);
}
}
public void Read1_AfterDispose()
{
using (Stream s = new MemoryStream())
{
using (TailFollowStream tail = new TailFollowStream(s))
{
tail.Close();
Exception ex = Assert.Throws<ObjectDisposedException>(() =>
{
tail.Read(null, 0, 0);
});
//メッセージは環境依存だったのでチェックしない
//Assert.AreEqual("破棄されたオブジェクトにアクセスできません。\r\nオブジェクト名 'Hakusai.IO.TailFollowStream' です。", ex.Message);
}
}
}
public void PositionSetTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws<NotSupportedException>(() =>
{
tail.Position = 0;
});
}
}
public void ConstructorTest3_IllegalNotReadable()
{
var path = Path.GetTempFileName();
try
{
Exception ex = Assert.Throws<ArgumentException>(() =>
{
using (Stream ofs = new FileStream(path, FileMode.Open, FileAccess.Write, FileShare.ReadWrite))
using (TextWriter writer = new StreamWriter(ofs))
{
using (Stream ifs = new FileStream(path, FileMode.Open, FileAccess.Write, FileShare.Delete | FileShare.ReadWrite))
using (TailFollowStream tail = new TailFollowStream(ifs, true))
using (TextReader reader = new StreamReader(tail))
{
}
}
});
Assert.AreEqual("不適切なストリームが指定されました。", ex.Message);
}
finally
{
File.Delete(path);
}
}
public void LengthGetTest()
{
using (Stream s = new MemoryStream())
using (TailFollowStream tail = new TailFollowStream(s))
{
Assert.Throws<NotSupportedException>(() =>
{
long len = tail.Length;
});
}
}
