public void WaitAsync_DoesNotBlock()
{
var beginTime = DateTime.UtcNow;
var threshold = TimeSpan.FromSeconds(10);
var gate = new ManualGate();
var waitTask = gate.WaitAsync(threshold);
Assert.True(DateTime.UtcNow < beginTime + threshold);
}
public async Task WaitAsync_ReturnsFalse_AfterTimeoutElapsed()
{
var threshold = TimeSpan.FromMilliseconds(1);
var gate = new ManualGate();
var wasOpened = await gate.WaitAsync(threshold);
Assert.False(wasOpened);
}
public async Task WaitAsync_TimesOut_AfterTimeoutElapsed()
{
var beginTime = DateTime.UtcNow;
var threshold = TimeSpan.FromSeconds(1);
var gate = new ManualGate();
await gate.WaitAsync(threshold);
Assert.True(DateTime.UtcNow >= beginTime + threshold);
}
public async Task Close_PreventsThreads()
{
var gate = new ManualGate();
gate.Close();
var waitResult = await gate.WaitAsync(TimeSpan.FromSeconds(1));
Assert.False(waitResult);
}
public async Task WaitAsync_ReturnsTrue_WhenOpened_BeforeWaiting()
{
var threshold = TimeSpan.FromSeconds(1);
var gate = new ManualGate();
gate.Open();
var wasOpened = await gate.WaitAsync(threshold);
Assert.True(wasOpened);
}
public async Task Open_AllowsMultipleThreads()
{
var gate = new ManualGate();
gate.Open();
var waitResult1 = await gate.WaitAsync(TimeSpan.Zero);
var waitResult2 = await gate.WaitAsync(TimeSpan.Zero);
Assert.True(waitResult1 && waitResult2);
}
public async Task WaitAsync_ReturnsFalse_AfterCancellationRequested()
{
var cancellationTokenSource = new CancellationTokenSource();
var cancellationToken = cancellationTokenSource.Token;
var gate = new ManualGate();
var waitTask = gate.WaitAsync(TimeSpan.MaxValue, cancellationToken);
cancellationTokenSource.Cancel();
var result = await waitTask;
Assert.False(result);
}