public void CallsOtherConstructorTest()
{
// Default constructor.
Assert.IsFalse(typeof(Empty).GetConstructors()[0].CallsOtherConstructor());
// Public and private constructors.
Action <ConstructorInfo[]> checkConstructors = cs =>
{
ConstructorInfo first = cs.Where(c => c.GetParameters().Count() == 0).First();
Assert.IsTrue(first.CallsOtherConstructor());
ConstructorInfo second = cs.Where(c => c.GetParameters().Count() == 1).First();
Assert.IsTrue(second.CallsOtherConstructor());
ConstructorInfo final = cs.Where(c => c.GetParameters().Count() == 2).First();
Assert.IsFalse(final.CallsOtherConstructor());
ConstructorInfo alternateFinal = cs.Where(c => c.GetParameters().Count() == 3).First();
Assert.IsFalse(alternateFinal.CallsOtherConstructor());
};
checkConstructors(typeof(PublicConstructors).GetConstructors());
checkConstructors(typeof(PrivateConstructors).GetConstructors(BindingFlags.NonPublic | BindingFlags.Instance));
// Inheritance.
Action <ConstructorInfo[]> checkBaseConstructors = cs =>
{
ConstructorInfo noParameters = cs.Where(c => c.GetParameters().Count() == 0).First();
ConstructorInfo oneParameter = cs.Where(c => c.GetParameters().Count() == 1).First();
// Only interested in constructors specified on this type, not base constructors,
// thus calling a base constructor shouldn't qualify as 'true'.
Assert.IsFalse(noParameters.CallsOtherConstructor());
Assert.IsFalse(oneParameter.CallsOtherConstructor());
};
checkBaseConstructors(typeof(BaseConstructors).GetConstructors());
checkBaseConstructors(typeof(DoubleBaseConstructors).GetConstructors());
checkBaseConstructors(typeof(TripleBaseConstructors).GetConstructors());
// Constructor with content.
foreach (var constructor in typeof(ContentConstructor).GetConstructors())
{
Assert.IsFalse(constructor.CallsOtherConstructor());
}
// Constructor of inner class.
Assert.IsFalse(typeof(Outer.Inner).GetConstructors()[0].CallsOtherConstructor());
}
