public void CreatingMemoryPipe()
{
using (var memory = new MemoryPipe())
{
for (int i = 0; i < 2; i++)
{
using (var writeStream = memory.GetWriteStream(null))
using (var writer = new StreamWriter(writeStream))
{
writer.Write("Hello World");
}
// Getting another write stream should wipe the buffer
using (var writeStream = memory.GetWriteStream(null))
using (var writer = new StreamWriter(writeStream))
{
writer.Write("Hello2 World2");
}
using (var readStream = memory.GetReadStream(null))
using (var reader = new StreamReader(readStream))
{
Assert.AreEqual("Hello2 World2", reader.ReadLine());
}
}
}
}
public void WaitForWrite()
{
var pipe = new MemoryPipe();
var count = 0;
var t = new Thread(() =>
{
var bytes2 = new byte[32];
count = pipe.Stream2.Read(bytes2, 0, 12);
});
t.Start();
Thread.Sleep(1000);
Assert.That(count, Is.Zero);
const string s = "hello, world";
var bytes1 = Encoding.UTF8.GetBytes(s);
pipe.Stream1.Write(bytes1, 0, bytes1.Length);
t.Join();
Assert.That(count, Is.EqualTo(12));
}
public async Task WaitForWriteAsync2()
{
var pipe = new MemoryPipe();
const string s = "hello, world";
var bytes1 = Encoding.UTF8.GetBytes(s);
await pipe.Stream1.WriteAsync(bytes1, 0, bytes1.Length);
var bytes2 = new byte[32];
await pipe.Stream2.ReadAsync(bytes2, 0, 12);
var count = 0;
var t = Task.Run(async() =>
{
count = await pipe.Stream2.ReadAsync(bytes2, 0, 12);
});
await Task.Delay(1000);
Assert.That(count, Is.Zero);
await pipe.Stream1.WriteAsync(bytes1, 0, bytes1.Length);
await t;
Assert.That(count, Is.EqualTo(12));
}
public void WriteOneReadOne()
{
var pipe = new MemoryPipe();
const string s = "hello, world";
for (var i = 0; i < 100; i++)
{
var bytes1 = Encoding.UTF8.GetBytes(s);
pipe.Stream1.Write(bytes1, 0, bytes1.Length);
var bytes2 = new byte[32];
var count = pipe.Stream2.Read(bytes2, 0, bytes2.Length);
Assert.That(count, Is.EqualTo(12), $"at i={i}");
Assert.That(Encoding.UTF8.GetString(bytes2, 0, count), Is.EqualTo(s), $"at i={i}");
}
}
public void OpeningMemoryPipe()
{
using (MemoryPipe pipe = new MemoryPipe())
{
var dataOut = new OpenWriteStreamFromMemoryPipe()
{
Name = "OpenWritePipe",
Pipe = CreateParameter(pipe, "Pipe")
};
var dataIn = new OpenReadStreamFromMemoryPipe()
{
Name = "OpenWritePipe",
Pipe = CreateParameter(pipe, "Pipe")
};
using (var writer = new StreamWriter(dataOut.Invoke()))
{
writer.Write("Hello World");
}
using (var reader = new StreamReader(dataIn.Invoke()))
{
Assert.AreEqual("Hello World", reader.ReadLine());
}
}
}