public void Write_with_more_data_than_size_limit_throws()
{
using (var file = new TinyMemoryMappedFile("Test", 4))
{
Assert.Throws <ArgumentOutOfRangeException>(() => file.Write(new byte[] { 1, 2, 3, 4, 5 }));
}
}
public void GetFileSize_returns_expected_size(string message)
{
using var file = new TinyMemoryMappedFile("Test");
var data = Encoding.UTF8.GetBytes(message);
file.Write(data);
Assert.Equal(message.Length, file.GetFileSize());
}
public void Write_then_read_returns_what_was_written(string message)
{
using var file = new TinyMemoryMappedFile("Test");
var data = Encoding.UTF8.GetBytes(message);
file.Write(data);
Assert.Equal(data, file.Read());
}
public void Secondary_instance_keeps_file_alive()
{
using (var file2 = new TinyMemoryMappedFile("Test"))
{
using (var file1 = new TinyMemoryMappedFile("Test"))
{
file1.Write(new byte[] { 1, 2, 3, 4, 5 });
}
Assert.Equal(5, file2.GetFileSize());
}
}
public void Dispose_destroys_file()
{
using (var file = new TinyMemoryMappedFile("Test"))
{
file.Write(new byte[] { 1, 2, 3, 4, 5 });
}
using (var file = new TinyMemoryMappedFile("Test"))
{
Assert.Equal(0, file.GetFileSize());
}
}
public void Dispose_destroys_file()
{
using (var file = new TinyMemoryMappedFile("Test"))
{
file.Write(new byte[] { 1, 2, 3, 4, 5 });
}
using (var file = new TinyMemoryMappedFile("Test"))
{
file.GetFileSize().ShouldBe(0);
}
}
public async Task All_primitives_should_be_configurable()
{
var name = "Example";
var maxReaderCount = TinyReadWriteLock.DefaultMaxReaderCount;
var maxFileSize = TinyMemoryMappedFile.DefaultMaxFileSize;
var waitTimeout = TinyReadWriteLock.DefaultWaitTimeout;
// Create underlying primitives first so they can be configured
using var lockMutex = TinyReadWriteLock.CreateMutex(name);
using var lockSemaphore = TinyReadWriteLock.CreateSemaphore(name, maxReaderCount);
using var memoryMappedFile = TinyMemoryMappedFile.CreateOrOpenMemoryMappedFile(name, maxFileSize);
using var eventWaitHandle = TinyMemoryMappedFile.CreateEventWaitHandle(name);
// Create the actual message bus
using var tinyReadWriteLock = new TinyReadWriteLock(lockMutex, lockSemaphore, maxReaderCount, waitTimeout);
using var tinyMemoryMappedFile = new TinyMemoryMappedFile(memoryMappedFile, eventWaitHandle, maxFileSize, tinyReadWriteLock, disposeLock: true);
using var messageBus = new TinyMessageBus(tinyMemoryMappedFile, disposeFile: true);
await messageBus.PublishAsync(Encoding.UTF8.GetBytes("lorem"));
await messageBus.PublishAsync(Encoding.UTF8.GetBytes("ipsum"));
}