public void FindByNotCompositeSpecification()
{
var product = new Product {
Price = 99, Name = "Windows XP Professional"
};
var spec = new SpecificationQueryStrategy <Product>(p => p.Price < 100).Not();
Assert.False(spec.IsSatisfiedBy(product));
product.Price = 100;
Assert.True(spec.IsSatisfiedBy(product));
}
public void FindBySpecification()
{
var product = new Product {
Price = 99
};
var spec = new SpecificationQueryStrategy <Product>(p => p.Price < 100);
Assert.True(spec.IsSatisfiedBy(product));
product.Price = 100;
Assert.False(spec.IsSatisfiedBy(product));
}