public void NullCreateExceptionShouldThrow()
{
var guard = new Guard<object>();
guard.AddPredicate(o => o != null, null);
Assert.Fail("Should have thrown ArgumentNullException.");
}
public void NullTargetShouldThrow()
{
var guard = new Guard<object>();
guard.AddPredicate(o => o != null, o => new ArgumentNullException());
guard.Evaluate(null);
}
public void NullPredicateShouldThrow()
{
var guard = new Guard<object>();
guard.AddPredicate(null, o => new Exception());
Assert.Fail("Should have thrown ArgumentNullException.");
}
public void SuccessfulEvaluationShouldReturnTarget()
{
var target = new object();
var guard = new Guard<object>();
guard.AddPredicate(o => o != null, o => new ArgumentNullException());
Assert.AreEqual(target, guard.Evaluate(target));
}