public void BasicWriteMailSlot()
{
const string mailslotName = @"\\?\mailslot\basicwritemailslottest";
using (var mailslotHandle = MailslotMethods.CreateMailslot(mailslotName))
{
FileHelper.WriteAllText(mailslotName, "basicwritetest");
}
}
public void BasicReadMailslot()
{
const string mailslotName = @"\\?\mailslot\basicreadmailslottest";
using (var mailslotHandle = MailslotMethods.CreateMailslot(mailslotName))
{
string message = FileHelper.ReadAllText(mailslotName);
message.Should().BeNullOrEmpty();
}
}
public void BasicGetSetInfoDefaults()
{
using (var handle = MailslotMethods.CreateMailslot(@"\\?\mailslot\basicgetsetinfodefaultstest"))
{
handle.IsInvalid.Should().BeFalse();
var info = MailslotMethods.GetMailslotInfo(handle);
info.MessageCount.Should().Be(0);
info.NextSize.Should().Be(uint.MaxValue);
info.MaxMessageSize.Should().Be(0);
info.ReadTimeout.Should().Be(0);
MailslotMethods.SetMailslotTimeout(handle, 100);
MailslotMethods.GetMailslotInfo(handle).ReadTimeout.Should().Be(100);
}
}
public void BasicGetInfo()
{
using (var handle = MailslotMethods.CreateMailslot(
name: @"\\?\mailslot\basicgetinfotest",
maxMessageSize: 256,
readTimeout: 1000))
{
handle.IsInvalid.Should().BeFalse();
var info = MailslotMethods.GetMailslotInfo(handle);
info.MessageCount.Should().Be(0);
info.NextSize.Should().Be(uint.MaxValue);
info.MaxMessageSize.Should().Be(256);
info.ReadTimeout.Should().Be(1000);
}
}
public void BasicCreateMailslot()
{
const string mailslotName = @"\\.\mailslot\basiccreatemailslottest";
using (var handle = MailslotMethods.CreateMailslot(mailslotName))
{
handle.IsInvalid.Should().BeFalse();
using (var fileHandle = FileMethods.CreateFile(mailslotName, CreationDisposition.OpenExisting, 0))
{
fileHandle.IsInvalid.Should().BeFalse();
FileMethods.GetFileType(fileHandle).Should().Be(FileType.Unknown);
var modeInfo = FileMethods.GetFileMode(fileHandle);
// The mailslot was opened synchronously
modeInfo.Should().Be(FileAccessModes.SynchronousNotAlertable);
}
}
}
public void CreateMailslotAsync()
{
const string mailslotName = @"\\.\mailslot\asynccreatemailslottest";
using (var handle = MailslotMethods.CreateMailslot(mailslotName))
{
handle.IsInvalid.Should().BeFalse();
using (var fileHandle = FileMethods.CreateFile(mailslotName, CreationDisposition.OpenExisting, 0, ShareModes.ReadWrite,
FileAttributes.None, FileFlags.Overlapped))
{
fileHandle.IsInvalid.Should().BeFalse();
FileMethods.GetFileType(fileHandle).Should().Be(FileType.Unknown);
var modeInfo = FileMethods.GetFileMode(fileHandle);
// The mailslot was opened asynchronously (e.g. no synchronous flag)
modeInfo.Should().Be((FileAccessModes)0);
}
}
}
