public void NegateCondition(bool?value, bool?expected)
{
var fake = new FakeInpc {
Prop1 = value
};
var condition = new Condition(fake.ToObservable(x => x.Prop1), () => fake.Prop1);
var negatedCondition = condition.Negate();
Assert.AreEqual(expected, negatedCondition.IsSatisfied);
}
public void Name()
{
var fake = new FakeInpc {
Prop1 = false
};
var condition = new Condition(fake.ToObservable(x => x.Prop1), () => fake.Prop1);
var negatedCondition = condition.Negate();
Assert.AreEqual("Not_" + condition.Name, negatedCondition.Name);
}
public void History()
{
var fake = new FakeInpc {
Prop1 = false
};
var observable = fake.ToObservable(x => x.Prop1, false);
var condition = new Condition(observable, () => fake.Prop1);
fake.Prop1 = true;
CollectionAssert.AreEqual(new[] { false, true }, condition.History.Select(x => x.State));
}
public void NegateTwiceReturnsOriginal()
{
var fake = new FakeInpc {
Prop1 = false
};
var condition = new Condition(fake.ToObservable(x => x.Prop1), () => fake.Prop1);
var negatedCondition = condition.Negate();
var negatedTwice = negatedCondition.Negate();
Assert.AreSame(condition, negatedTwice);
}
public void ConditionTest()
{
var fake = new FakeInpc {
Prop1 = false
};
var observable = fake.ToObservable(x => x.Prop1);
var condition = new Condition(observable, () => fake.Prop1);
Assert.AreEqual(false, condition.IsSatisfied);
fake.Prop1 = true;
Assert.AreEqual(true, condition.IsSatisfied);
}
public void MemoryLeakTest()
{
var dummy = new FakeInpc();
var wr = new WeakReference(dummy);
Assert.IsTrue(wr.IsAlive);
var condition = new Condition(dummy.ToObservable(x => x.Prop1, false), () => dummy.Prop1);
dummy = null;
condition.Dispose();
GC.Collect();
Assert.IsFalse(wr.IsAlive);
}
public void Notifies()
{
var fake = new FakeInpc {
Prop1 = false
};
var observable = fake.ToObservable(x => x.Prop1, false);
var condition = new Condition(observable, () => fake.Prop1);
var argses = new List <PropertyChangedEventArgs>();
condition.PropertyChanged += (sender, args) => argses.Add(args);
fake.Prop1 = true;
Assert.AreEqual(1, argses.Count);
}
public void NotifiesOnConditionChanged()
{
var fake = new FakeInpc {
Prop1 = false
};
var observable = fake.ToObservable(x => x.Prop1);
var command = new ObservingRelayCommand(_ => { }, _ => false, observable, false);
int count = 0;
command.CanExecuteChanged += (sender, args) => count++;
fake.Prop1 = true;
Assert.AreEqual(1, count);
}
public void CanExecute()
{
var fake = new FakeInpc {
Prop1 = false
};
var observable = fake.ToObservable(x => x.Prop1);
var condition = new Condition(observable, () => fake.Prop1);
var command = new ConditionRelayCommand(_ => { }, condition, false);
Assert.IsFalse(command.CanExecute(null));
fake.Prop1 = true;
Assert.IsTrue(command.CanExecute(null));
}
public void Notifies()
{
var argses = new List <string>();
var fake1 = new FakeInpc {
Prop1 = false
};
var fake2 = new FakeInpc {
Prop1 = false
};
var fake3 = new FakeInpc {
Prop1 = false
};
var condition1 = new Condition(fake1.ToObservable(x => x.Prop1), () => fake1.Prop1);
var condition2 = new Condition(fake2.ToObservable(x => x.Prop1), () => fake2.Prop1);
var condition3 = new Condition(fake3.ToObservable(x => x.Prop1), () => fake3.Prop1);
var collection = new AndCondition(condition1, condition2, condition3);
collection.PropertyChanged += (sender, args) => argses.Add(args.PropertyName);
Assert.AreEqual(false, collection.IsSatisfied);
fake1.Prop1 = true;
Assert.AreEqual(false, collection.IsSatisfied);
Assert.AreEqual(0, argses.Count);
fake2.Prop1 = true;
Assert.AreEqual(false, collection.IsSatisfied);
Assert.AreEqual(0, argses.Count);
fake3.Prop1 = true;
Assert.AreEqual(true, collection.IsSatisfied);
Assert.AreEqual(1, argses.Count);
fake1.Prop1 = false;
Assert.AreEqual(false, collection.IsSatisfied);
Assert.AreEqual(2, argses.Count);
fake2.Prop1 = false;
Assert.AreEqual(false, collection.IsSatisfied);
Assert.AreEqual(2, argses.Count);
fake3.Prop1 = false;
Assert.AreEqual(false, collection.IsSatisfied);
Assert.AreEqual(2, argses.Count);
}
public void NegateOrCondition(bool?first, bool?other, bool?third, bool?expected)
{
var fake1 = new FakeInpc {
Prop1 = first
};
var condition1 = new Condition(fake1.ToObservable(x => x.Prop1), () => fake1.Prop1);
var fake2 = new FakeInpc {
Prop1 = other
};
var condition2 = new Condition(fake2.ToObservable(x => x.Prop1), () => fake2.Prop1);
var fake3 = new FakeInpc {
Prop1 = third
};
var condition3 = new Condition(fake3.ToObservable(x => x.Prop1), () => fake3.Prop1);
var orCondition = new OrCondition(condition1, condition2, condition3);
var negated = orCondition.Negate();
Assert.AreEqual(expected, negated.IsSatisfied);
}
public void Notifies()
{
var argses = new List <PropertyChangedEventArgs>();
var negArgses = new List <PropertyChangedEventArgs>();
var fake = new FakeInpc {
Prop1 = false
};
var condition = new Condition(fake.ToObservable(x => x.Prop1), () => fake.Prop1 == true);
var negatedCondition = condition.Negate();
condition.PropertyChanged += (_, e) => argses.Add(e);
negatedCondition.PropertyChanged += (_, e) => negArgses.Add(e);
Assert.AreEqual(0, argses.Count);
Assert.AreEqual(0, negArgses.Count);
fake.Prop1 = true;
Assert.AreEqual(1, argses.Count);
Assert.AreEqual(1, negArgses.Count);
fake.Prop1 = null;
Assert.AreEqual(2, argses.Count);
Assert.AreEqual(2, negArgses.Count);
}