public void GetProductQuantityByIdTest_GivesIdToListWhichDoesntContainSpecifiedId_Returns0()
{
ProductLibrary library = new ProductLibrary();
List <Product> products = new List <Product>();
var product = new Product {
Id = 1
};
products.Add(product);
var result = library.GetProductQuantityById(2, products);
Assert.AreEqual(result, 0);
}
public void GetProductQuantityByIdTest_GivesId_ReturnsProductQuantityForSpecifiedId(int id, int q)
{
ProductLibrary library = new ProductLibrary();
List <Product> products = new List <Product>();
var product = new Product {
Id = id, Quantity = q
};
products.Add(product);
products.Add(new Product {
Id = 2, Quantity = 5
});
products.Add(new Product {
Id = 9, Quantity = 1
});
var result = library.GetProductQuantityById(id, products);
Assert.AreEqual(result, product.Quantity);
}