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1 -- Prosody IM v0.3
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10 function new(new, multitable)
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11 mt = new();
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12 assert_table(mt, "Multitable is a table");
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13 assert_function(mt.add, "Multitable has method add");
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14 assert_function(mt.get, "Multitable has method get");
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15 assert_function(mt.remove, "Multitable has method remove");
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16
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17 get(mt.get, multitable);
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18 end
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19
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20 function get(get, multitable)
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21 local function has_items(list, ...)
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22 local should_have = {};
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23 if select('#', ...) > 0 then
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24 assert_table(list, "has_items: list is table", 3);
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25 else
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26 assert_is_not(list and #list > 0, "No items, and no list");
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27 return true, "has-all";
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28 end
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29 for n=1,select('#', ...) do should_have[select(n, ...)] = true; end
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30 for n, item in ipairs(list) do
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31 if not should_have[item] then return false, "too-many"; end
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32 should_have[item] = nil;
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33 end
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34 if next(should_have) then
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35 return false, "not-enough";
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36 end
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37 return true, "has-all";
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38 end
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39 local function assert_has_all(message, list, ...)
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40 return assert_equal(select(2, has_items(list, ...)), "has-all", message or "List has all expected items, and no more", 2);
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41 end
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42
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43 mt = multitable.new();
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44
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45 local trigger1, trigger2, trigger3 = {}, {}, {};
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46 local item1, item2, item3 = {}, {}, {};
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47
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48 assert_has_all("Has no items with trigger1", mt:get(trigger1));
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49
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50
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51 mt:add(1, 2, 3, item1);
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52
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53 assert_has_all("Has item1 for 1, 2, 3", mt:get(1, 2, 3), item1);
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54
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55 -- Doesn't support nil
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56 --[[ mt:add(nil, item1);
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57 mt:add(nil, item2);
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58 mt:add(nil, item3);
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59
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60 assert_has_all("Has all items with (nil)", mt:get(nil), item1, item2, item3);
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61 ]]
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62 end
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