public void SelectionSurvivesRefresh() {
RecipeFactory.Type = typeof(ASpecialRecipe);
IRecipe recipe = RecipeFactory.NewRecipe("");
_fc.ResetAllCategories();
_fc.IncludeCategory("Blue");
_fc.RefreshCategoriesList();
Categories expected = new Categories();
expected.Add("Blue");
Assert.Equals(expected, _fc.IncludedCategories);
}
/// <summary>
/// Determines the intersection of two Categories objects.
/// </summary>
/// <param name="otherCats">A Cateogies object.</param>
/// <returns>A Categories object with categories that both sets have in
/// common.</returns>
public Categories Intersect(Categories otherCats) {
var cats = new Categories {
_categories = _categories.Intersect( otherCats._categories)
};
return cats;
}
/// <summary>
/// Determines the union of two Categories objects.
/// </summary>
/// <param name="otherCats">A Categories object.</param>
/// <returns>A Categories object with all categories that are also in at
/// least one of the two Categories objects.</returns>
public Categories Union(Categories otherCats) {
var cats = new Categories {
_categories = _categories.Union(otherCats._categories)
};
return cats;
}
/// <summary>
/// Adds a different set of categories. Duplicates are ignored.
/// </summary>
/// <param name="categories">Set of categories to be added.</param>
public void Add(Categories categories) {
int initialCount = _categories.Count;
_categories.Add(categories._categories);
if(initialCount != _categories.Count) {
FireModifiedEvent();
}
}
