2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
10 function new(new, multitable)
12 assert_table(mt, "Multitable is a table");
13 assert_function(mt.add, "Multitable has method add");
14 assert_function(mt.get, "Multitable has method get");
15 assert_function(mt.remove, "Multitable has method remove");
17 get(mt.get, multitable);
20 function get(get, multitable)
21 local function has_items(list, ...)
22 local should_have = {};
23 if select('#', ...) > 0 then
24 assert_table(list, "has_items: list is table", 3);
26 assert_is_not(list and #list > 0, "No items, and no list");
27 return true, "has-all";
29 for n=1,select('#', ...) do should_have[select(n, ...)] = true; end
30 for n, item in ipairs(list) do
31 if not should_have[item] then return false, "too-many"; end
32 should_have[item] = nil;
34 if next(should_have) then
35 return false, "not-enough";
37 return true, "has-all";
39 local function assert_has_all(message, list, ...)
40 return assert_equal(select(2, has_items(list, ...)), "has-all", message or "List has all expected items, and no more", 2);
43 mt = multitable.new();
45 local trigger1, trigger2, trigger3 = {}, {}, {};
46 local item1, item2, item3 = {}, {}, {};
48 assert_has_all("Has no items with trigger1", mt:get(trigger1));
51 mt:add(1, 2, 3, item1);
53 assert_has_all("Has item1 for 1, 2, 3", mt:get(1, 2, 3), item1);
55 -- Doesn't support nil
56 --[[ mt:add(nil, item1);
60 assert_has_all("Has all items with (nil)", mt:get(nil), item1, item2, item3);