public void TestExceptExceptions()
{
var products1 = new ProductsList().GetProducts();
List <ProductsList.Product> products2 = null;
var distinctComparer = new ProductListComparer();
var exception = Assert.Throws <ArgumentNullException>(() => LinqFunctions.Except(products1, products2, distinctComparer));
Assert.Equal("source", exception.ParamName);
}
public void TestExcept()
{
var products1 = new List <ProductsList.Product>()
{
new ProductsList.Product//default
{
ID = 2,
Name = "Dero",
Price = 10,
Ingredients = new List <ProductsList.Ingredient> {
new ProductsList.Ingredient {
Name = "Lamaie"
}, new ProductsList.Ingredient {
Name = "Parfum1"
}
}
},
new ProductsList.Product//same as default
{
ID = 2,
Name = "Dero",
Price = 10,
Ingredients = new List <ProductsList.Ingredient> {
new ProductsList.Ingredient {
Name = "Lamaie"
}, new ProductsList.Ingredient {
Name = "Parfum1"
}
}
},
new ProductsList.Product//totally different
{
ID = 6,
Name = "Sampon",
Price = 10,
Ingredients = new List <ProductsList.Ingredient> {
new ProductsList.Ingredient {
Name = "Menta"
}, new ProductsList.Ingredient {
Name = "Parfum3"
}
}
},
new ProductsList.Product//different price
{
ID = 2,
Name = "Detergent",
Price = 11,
Ingredients = new List <ProductsList.Ingredient> {
new ProductsList.Ingredient {
Name = "Lamaie"
}, new ProductsList.Ingredient {
Name = "Parfum1"
}
}
},
};
var products2 = new ProductsList().GetProducts();
var comparer = new ProductListComparer();
var intersect = LinqFunctions.Except(products1, products2, comparer);
Assert.Equal(2, intersect.Count());
}