public void GetProductByIdTest_GivesIdToListWhichDoesntContainSpecifiedId_ReturnsNull(int id)
{
ProductLibrary library = new ProductLibrary();
List <Product> products = new List <Product>();
var product = new Product {
Id = id
};
products.Add(product);
Product result = library.GetProductById(id + 1, products);
Assert.AreEqual(result, null);
}
public void GetProductByIdTest_GivesId_ReturnsProductWithSpecifiedId(int id)
{
ProductLibrary library = new ProductLibrary();
List <Product> products = new List <Product>();
var product = new Product {
Id = id
};
products.Add(product);
products.Add(new Product {
Id = 2
});
products.Add(new Product {
Id = 9
});
Product result = library.GetProductById(id, products);
Assert.AreEqual(result.Id, product.Id);
}