public void IsNotNull_WhenValueIsNull_WritesTraceMessage()
{
var listener = new TestListener();
Trace.Listeners.Add(listener);
var data = new FileData { StringValue = null };
Assert.Throws<ArgumentException>(() => data.IsNotNull());
Assert.AreEqual("Test:IsNotNullFailed:IsNotNull", listener.Output);
Trace.Listeners.Remove(listener);
}
public void IsNotNull_WhenValueIsNull_Throws()
{
var data = new FileData { StringValue = null };
Assert.Throws<ArgumentException>(() => data.IsNotNull());
}
public void IsNotNull_WhenValueIsNotNull_Succeeds(string value)
{
var data = new FileData { StringValue = value };
Assert.DoesNotThrow(() => data.IsNotNull());
}
