public void Or_a_function_creates_combined_function_which_must_satisfy_either(Person personOne,
Person personTwo,
Person personThree)
{
// Arrange
personOne.Identity = 1;
personOne.Name = "Bob";
personTwo.Identity = 2;
personTwo.Name = "Anna";
personThree.Identity = 3;
personThree.Name = "Jo";
var firstSpec = new PersonIdentifierSpecificationExpression(3);
var secondSpec = new PersonNameSpecificationFunction("Anna");
var combinedSpec = firstSpec.Or(secondSpec);
var people = new[] { personOne, personTwo, personThree };
// Act
var result = people.Where(combinedSpec).ToArray();
// Assert
Assert.That(result, Is.EquivalentTo(new[] { personTwo, personThree }));
}
public void And_creates_combined_expression_which_must_satisfy_both(Person personOne,
Person personTwo,
Person personThree)
{
// Arrange
personOne.Identity = 1;
personOne.Name = "Bob";
personTwo.Identity = 2;
personTwo.Name = "Anna";
personThree.Identity = 3;
personThree.Name = "Anna";
var firstSpec = new PersonNameSpecificationExpression("Anna");
var secondSpec = new PersonIdentifierSpecificationExpression(2);
var combinedSpec = firstSpec.And(secondSpec);
var people = new[] { personOne, personTwo, personThree }.AsQueryable();
var result = people.Where(combinedSpec).ToArray();
Assert.That(result, Is.EquivalentTo(new[] { personTwo }));
}
