public void WaitOneAsync_WithTimeSpan_ShouldThrow_WhenInputIsNull()
{
// arrange
// act
Func <Task> act = async() => _ = await Sut.WaitOneAsync(null, TimeSpan.MaxValue);
// assert
act.Should().ThrowExactly <ArgumentNullException>();
}
public void WaitOneAsync_WithCancellationToken_ShouldThrow_WhenInputIsNull()
{
// arrange
// act
Func <Task> act = async() => _ = await Sut.WaitOneAsync(null, CancellationToken.None);
// assert
act.Should().ThrowExactly <ArgumentNullException>();
}
public async Task WaitOneAsync_WithTimeSpan_ShouldReturnFalse_WhenCancellationTokenIsSet()
{
// arrange
var amre = new AsyncManualResetEvent(false);
var timeoutTimespan = TimeSpan.FromMilliseconds(100);
// act
var result = await Sut.WaitOneAsync(amre, timeoutTimespan);
// assert
result.Should().BeFalse();
amre.IsSet.Should().BeFalse("timeout kicked in before amre was set.");
}
public async Task WaitOneAsync_WithCancellationToken_ShouldReturnTrue_WhenResetBeforeCancelled()
{
// arrange
var amre = new AsyncManualResetEvent(false);
// act
var resultTask = Sut.WaitOneAsync(amre, CancellationToken.None);
await Task.Delay(100);
amre.Set();
var result = await resultTask;
// assert
result.Should().BeTrue();
}
public async Task WaitOneAsync_WithTimeSpan_ShouldReturnTrue_WhenResetBeforeTimedOut()
{
// arrange
var amre = new AsyncManualResetEvent(false);
var timeoutTimespan = TimeSpan.FromDays(1);
// act
var resultTask = Sut.WaitOneAsync(amre, timeoutTimespan);
await Task.Delay(100);
amre.Set();
var result = await resultTask;
// assert
result.Should().BeTrue();
}
public async Task WaitOneAsync_WithCancellationToken_ShouldReturnFalse_WhenCancellationTokenIsSet()
{
// arrange
var amre = new AsyncManualResetEvent(false);
using var cts = new CancellationTokenSource();
// act
var resultTask = Sut.WaitOneAsync(amre, cts.Token);
cts.CancelAfter(100);
var result = await resultTask;
// assert
result.Should().BeFalse();
amre.IsSet.Should().BeFalse("Task was cancelled before amre was set.");
}