public void BasicWriteMailSlot()
{
const string mailslotName = @"\\?\mailslot\basicwritemailslottest";
using (var mailslotHandle = MailslotDesktopMethods.CreateMailslot(mailslotName))
{
FileHelper.WriteAllText(mailslotName, "basicwritetest");
}
}
public void BasicReadMailslot()
{
const string mailslotName = @"\\?\mailslot\basicreadmailslottest";
using (var mailslotHandle = MailslotDesktopMethods.CreateMailslot(mailslotName))
{
string message = FileHelper.ReadAllText(mailslotName);
message.Should().BeNullOrEmpty();
}
}
public void BasicGetSetInfoDefaults()
{
using (var handle = MailslotDesktopMethods.CreateMailslot(@"\\?\mailslot\basicgetsetinfodefaultstest"))
{
handle.IsInvalid.Should().BeFalse();
var info = MailslotDesktopMethods.GetMailslotInfo(handle);
info.MessageCount.Should().Be(0);
info.NextSize.Should().Be(uint.MaxValue);
info.MaxMessageSize.Should().Be(0);
info.ReadTimeout.Should().Be(0);
MailslotDesktopMethods.SetMailslotTimeout(handle, 100);
MailslotDesktopMethods.GetMailslotInfo(handle).ReadTimeout.Should().Be(100);
}
}
public void BasicGetInfo()
{
using (var handle = MailslotDesktopMethods.CreateMailslot(
name: @"\\?\mailslot\basicgetinfotest",
maxMessageSize: 256,
readTimeout: 1000))
{
handle.IsInvalid.Should().BeFalse();
var info = MailslotDesktopMethods.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 = MailslotDesktopMethods.CreateMailslot(mailslotName))
{
handle.IsInvalid.Should().BeFalse();
using (var fileHandle = FileMethods.CreateFile(mailslotName, DesiredAccess.NONE, ShareMode.FILE_SHARE_READWRITE, CreationDisposition.OPEN_EXISTING))
{
fileHandle.IsInvalid.Should().BeFalse();
FileMethods.GetFileType(fileHandle).Should().Be(FileType.FILE_TYPE_UNKNOWN);
var modeInfo = FileDesktopMethods.GetFileMode(fileHandle);
// The mailslot was opened synchronously
modeInfo.Should().Be(FILE_MODE_INFORMATION.FILE_SYNCHRONOUS_IO_NONALERT);
}
}
}
public void CreateMailslotAsync()
{
const string mailslotName = @"\\.\mailslot\asynccreatemailslottest";
using (var handle = MailslotDesktopMethods.CreateMailslot(mailslotName))
{
handle.IsInvalid.Should().BeFalse();
using (var fileHandle = FileMethods.CreateFile(mailslotName, DesiredAccess.NONE, ShareMode.FILE_SHARE_READWRITE, CreationDisposition.OPEN_EXISTING,
FileAttributes.NONE, FileFlags.FILE_FLAG_OVERLAPPED))
{
fileHandle.IsInvalid.Should().BeFalse();
FileMethods.GetFileType(fileHandle).Should().Be(FileType.FILE_TYPE_UNKNOWN);
var modeInfo = FileDesktopMethods.GetFileMode(fileHandle);
// The mailslot was opened asynchronously (e.g. no synchronous flag)
modeInfo.Should().Be((FILE_MODE_INFORMATION)0);
}
}
}
