public AsyncState(IOperation operation)
{
// ReSharper disable once ConditionIsAlwaysTrueOrFalse
if (operation == null)
{
ThrowHelper.ThrowArgumentNullException(nameof(operation));
}
Operation = operation;
_stopwatch = LightweightStopwatch.StartNew();
}
public void ElapsedMilliseconds_AfterStart_LowValue()
{
// Arrange
var stopwatch = LightweightStopwatch.StartNew();
// Act
var result = stopwatch.ElapsedMilliseconds;
// Assert
Assert.True(result < 1000);
}
public void Elapsed_AfterStart_LowValue()
{
// Arrange
var stopwatch = LightweightStopwatch.StartNew();
// Act
var result = stopwatch.Elapsed;
// Assert
Assert.True(result < TimeSpan.FromSeconds(1));
}
public async Task ElapsedMilliseconds_AfterSleep_ApproximateValue()
{
// Arrange
var stopwatch = LightweightStopwatch.StartNew();
// Act
await Task.Delay(1000);
var result = stopwatch.ElapsedMilliseconds;
// Assert
Assert.True(Math.Abs(result - 1000) < 250);
}
public async Task Elapsed_AfterSleep_ApproximateValue()
{
// Arrange
var stopwatch = LightweightStopwatch.StartNew();
// Act
await Task.Delay(1000);
var result = stopwatch.Elapsed;
// Assert
Assert.True(Math.Abs((result - TimeSpan.FromSeconds(1)).TotalMilliseconds) < 250);
}
public async Task Restart_AfterStart_LowValue()
{
// Arrange
var stopwatch = LightweightStopwatch.StartNew();
await Task.Delay(1000);
Assert.True(stopwatch.ElapsedMilliseconds > 500);
// Act
stopwatch.Restart();
var result = stopwatch.ElapsedMilliseconds;
// Assert
Assert.True(result < 1000);
}
