public void EvaluatorBase_ThrowsArgumentNullException_WhenEvaluatorPredicateIsNull()
{
// Arrange
var persons = new TestPersonFactory().CreatePersons();
// Act
// Assert
Assert.Throws <ArgumentNullException>(() =>
persons.ParityEvaluator((Func <int, bool>)null, (Func <TestPerson, int>)null)
.Count());
}
public void EvaluatorBase_ThrowsArgumentNullException_WhenEvaluatorSelectorIsNull()
{
// Arrange
var persons = new TestPersonFactory().CreatePersons();
// Act
// Assert
Assert.Throws <ArgumentNullException>(() =>
persons.ParityEvaluator(ParityMathExtensions.EvenPredicate, (Func <TestPerson, int>)null)
.Count());
}
public void EvaluatorBase_ReturnsTotalElements_WhenParamsAreCorrect()
{
// Arrange
var persons = new TestPersonFactory().CreatePersons();
// Act
var result = persons.ParityEvaluator(ParityMathExtensions.EvenPredicate, p => p.Age)
.Count();
// Assert
Assert.Equal(1, result);
}