public async Task StartAndStop()
{
var firstTickTaskSource = new TaskCompletionSource <object?>();
var startingCalled = false;
var tickCalled = false;
var stoppingCalled = false;
var backgroundLoop = new BackgroundLoop();
backgroundLoop.Starting += (_, _) => { startingCalled = true; };
backgroundLoop.Tick += (_, _) =>
{
tickCalled = true;
firstTickTaskSource.TrySetResult(null);
};
backgroundLoop.Stopping += (_, _) => { stoppingCalled = true; };
await backgroundLoop.StartAsync();
await firstTickTaskSource.Task;
await backgroundLoop.StopAsync(5000);
Assert.IsTrue(startingCalled, nameof(startingCalled));
Assert.IsTrue(tickCalled, nameof(tickCalled));
Assert.IsTrue(stoppingCalled, nameof(stoppingCalled));
}
public async Task InvokeMethod_AfterStart()
{
var firstTickTaskSource = new TaskCompletionSource <object?>();
var firstTickPassed = false;
var backgroundLoop = new BackgroundLoop(string.Empty, 500);
backgroundLoop.Tick += (_, _) =>
{
if (!firstTickPassed)
{
firstTickPassed = true;
firstTickTaskSource.TrySetResult(null);
}
};
await backgroundLoop.StartAsync();
await firstTickTaskSource.Task;
var methodInvoked = false;
await backgroundLoop.InvokeAsync(() => methodInvoked = true);
await backgroundLoop.StopAsync(5000);
Assert.IsTrue(methodInvoked, nameof(methodInvoked));
}
public async Task InvokeMethod_BeforeStart()
{
var backgroundLoop = new BackgroundLoop(string.Empty, 500);
var methodInvoked = false;
var invokeTask = backgroundLoop.InvokeAsync(() => methodInvoked = true);
await backgroundLoop.StartAsync();
await invokeTask;
await backgroundLoop.StopAsync(5000);
Assert.IsTrue(methodInvoked, nameof(methodInvoked));
}
public async Task IsThreadNameSet()
{
var firstTickTaskSource = new TaskCompletionSource <object?>();
var isThreadNameSet = false;
var backgroundLoop = new BackgroundLoop("TestThreadName", 10);
backgroundLoop.Tick += (_, _) =>
{
isThreadNameSet = Thread.CurrentThread.Name == "TestThreadName";
firstTickTaskSource.TrySetResult(null);
};
await backgroundLoop.StartAsync();
await firstTickTaskSource.Task;
await backgroundLoop.StopAsync(5000);
Assert.IsTrue(isThreadNameSet, nameof(isThreadNameSet));
}
public async Task IsSynchronizationContextSet()
{
var firstTickTaskSource = new TaskCompletionSource <object?>();
var isSyncContextSet = false;
var backgroundLoop = new BackgroundLoop(string.Empty, 500);
backgroundLoop.Tick += (_, _) =>
{
isSyncContextSet =
SynchronizationContext.Current is BackgroundLoop.BackgroundLoopSynchronizationContext;
firstTickTaskSource.TrySetResult(null);
};
await backgroundLoop.StartAsync();
await firstTickTaskSource.Task;
await backgroundLoop.StopAsync(5000);
Assert.IsTrue(isSyncContextSet, nameof(isSyncContextSet));
}
public async Task TicksMoreTimes()
{
var firstTickTaskSource = new TaskCompletionSource <object?>();
var tickCount = 0;
var backgroundLoop = new BackgroundLoop(string.Empty, 10);
backgroundLoop.Tick += (_, _) =>
{
tickCount++;
if (tickCount == 5)
{
firstTickTaskSource.TrySetResult(null);
}
};
await backgroundLoop.StartAsync();
await firstTickTaskSource.Task;
await backgroundLoop.StopAsync(5000);
Assert.IsTrue(tickCount >= 5, nameof(tickCount));
}