public void Subtract_From_Items_List(int addQuantity, int subtractQuantity, int result)
{
SimpleCatalogueItem catalogueItem = new SimpleCatalogueItem();
FakeItem1 item1 = new FakeItem1();
catalogueItem.Add(item1, addQuantity);
catalogueItem.SubtractItem(subtractQuantity);
Assert.That(catalogueItem.Quantity.Equals(result));
}
public void Subtract_From_Empty_Items_List()
{
SimpleCatalogueItem catalogueItem = new SimpleCatalogueItem();
var exception = Assert.Throws <SubtractionFromLesserQuantityException>(() =>
{
catalogueItem.SubtractItem(1);
});
Assert.That(() => exception.Message, Does.Contain("Existing amount is less than subtracting amount"));
}
public void Subtract_Item_From_Empty_List()
{
SimpleCatalogueItem catalogueItem = new SimpleCatalogueItem();
FakeItem1 item1 = new FakeItem1();
var exception = Assert.Throws <EmptyContainerException>(() =>
{
catalogueItem.SubtractItem(item1);
});
Assert.That(exception.GetType() == typeof(EmptyContainerException));
}
public void Subtract_Bigger_From_Smaller_Items_List()
{
SimpleCatalogueItem catalogueItem = new SimpleCatalogueItem();
FakeItem1 item1 = new FakeItem1();
catalogueItem.Add(item1, 10);
var exception = Assert.Throws <SubtractionFromLesserQuantityException>(() =>
{
catalogueItem.SubtractItem(20);
});
Assert.That(() => exception.Message, Does.Contain("Existing amount is less than subtracting amount"));
}
public void Subtract_Item_From_list_Containing_Item()
{
SimpleCatalogueItem catalogueItem = new SimpleCatalogueItem();
FakeItem1 item1 = new FakeItem1();
catalogueItem.Add(item1);
FakeItem1 item2 = new FakeItem1();
catalogueItem.Add(item2);
IItem item = catalogueItem.SubtractItem(item2);
Assert.That(item == item2);
}
public void Subtract_Item_From_List_Not_Containing_Item()
{
SimpleCatalogueItem catalogueItem = new SimpleCatalogueItem();
FakeItem1 item1 = new FakeItem1();
catalogueItem.Add(item1);
FakeItem1 item2 = new FakeItem1();
var exception = Assert.Throws <ItemNotFoundException>(() =>
{
catalogueItem.SubtractItem(item2);
});
Assert.That(exception.GetType() == typeof(ItemNotFoundException));
}