public void Notifies()
{
var fake = new Fake {
IsTrueOrNull = null
};
using (var condition = new Condition(
fake.ObservePropertyChanged(x => x.IsTrueOrNull),
() => fake.IsTrueOrNull))
{
var actual = new List <string>();
var expected = new List <string>();
using (var nullIsFalse = new NullIsFalse <Condition>(condition))
{
using (nullIsFalse.ObservePropertyChangedSlim()
.Subscribe(x => actual.Add(x.PropertyName)))
{
CollectionAssert.IsEmpty(actual);
Assert.AreEqual(false, nullIsFalse.IsSatisfied);
fake.IsTrueOrNull = false;
CollectionAssert.IsEmpty(actual);
Assert.AreEqual(false, nullIsFalse.IsSatisfied);
fake.IsTrueOrNull = true;
expected.Add("IsSatisfied");
CollectionAssert.AreEqual(expected, actual);
Assert.AreEqual(true, nullIsFalse.IsSatisfied);
fake.IsTrueOrNull = null;
expected.Add("IsSatisfied");
CollectionAssert.AreEqual(expected, actual);
Assert.AreEqual(false, nullIsFalse.IsSatisfied);
fake.IsTrueOrNull = true;
expected.Add("IsSatisfied");
CollectionAssert.AreEqual(expected, actual);
Assert.AreEqual(true, nullIsFalse.IsSatisfied);
fake.IsTrueOrNull = false;
expected.Add("IsSatisfied");
CollectionAssert.AreEqual(expected, actual);
Assert.AreEqual(false, nullIsFalse.IsSatisfied);
}
}
}
}
public static void Ctor(bool?value, bool?expected)
{
var fake = new Fake {
IsTrueOrNull = value
};
using var condition = new Condition(
fake.ObservePropertyChanged(x => x.IsTrueOrNull),
() => fake.IsTrueOrNull);
using (var nullIsFalse = new NullIsFalse <Condition>(condition))
{
Assert.AreEqual(expected, nullIsFalse.IsSatisfied);
}
using (var nullIsFalse = condition.NullIsFalse())
{
Assert.AreEqual(expected, nullIsFalse.IsSatisfied);
}
}
