public void AddObserver_OneObserverTwoTimesOneModification_ObserverCountOne()
{
bool error = false;
int? preCount = null;
int? postCount = null;
try
{
var observer01 = new GeneralObserver {
Id = Guid.NewGuid()
};
var observable01 = new GeneralObservable {
Id = Guid.NewGuid()
};
observable01.Property = "Status 01";
preCount = observer01.Count;
observable01.AddObserver(observer01);
observable01.AddObserver(observer01);
observable01.Property = "Status 02";
postCount = observer01.Count;
}
catch (Exception e)
{
error = true;
}
Assert.IsFalse(error);
Assert.IsNotNull(preCount);
Assert.IsNotNull(postCount);
Assert.IsTrue(preCount.Value == 0);
Assert.IsTrue(postCount.Value == 1);
}
public void RemoveObserver_RemoveNotExisting_CountOne()
{
bool error = false;
int? preCount = null;
int? postCount = null;
try
{
var observer01 = new GeneralObserver {
Id = Guid.NewGuid()
};
var observer02 = new GeneralObserver {
Id = Guid.NewGuid()
};
var observable01 = new GeneralObservable {
Id = Guid.NewGuid()
};
observable01.Property = "Status 01";
observable01.AddObserver(observer01);
preCount = observer01.Count;
observable01.RemoveObserver(observer02);
observable01.Property = "Status 02";
postCount = observer01.Count;
}
catch (Exception e)
{
error = true;
}
Assert.IsFalse(error);
Assert.IsNotNull(preCount);
Assert.IsNotNull(postCount);
Assert.IsTrue(preCount.Value == 0);
Assert.IsTrue(postCount.Value == 1);
}
public void AddObserver_TwoObserversOneModification_BothCountOne()
{
bool error = false;
int? count01 = null;
int? count02 = null;
try
{
var observer01 = new GeneralObserver {
Id = Guid.NewGuid()
};
var observer02 = new GeneralObserver {
Id = Guid.NewGuid()
};
var observable01 = new GeneralObservable {
Id = Guid.NewGuid()
};
observable01.Property = "Status 01";
observable01.AddObserver(observer01);
observable01.AddObserver(observer02);
observable01.Property = "Status 02";
count01 = observer01.Count;
count02 = observer02.Count;
}
catch (Exception e)
{
error = true;
}
Assert.IsFalse(error);
Assert.IsNotNull(count01);
Assert.IsNotNull(count02);
Assert.IsTrue(count01.Value == 1);
Assert.IsTrue(count02.Value == 1);
}
public void RemoveObserver_RemoveNull_NotError()
{
bool error = false;
try
{
GeneralObserver observer01 = null;
var observable01 = new GeneralObservable {
Id = Guid.NewGuid()
};
observable01.Property = "Status 01";
observable01.RemoveObserver(observer01);
observable01.Property = "Status 02";
}
catch (Exception e)
{
error = true;
}
Assert.IsFalse(error);
}
