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tests/test_util_queue.lua @ 6732:b5cf091d8c45

tests: Add tests for util.queue
author Matthew Wild <mwild1@gmail.com>
date Wed, 03 Jun 2015 15:53:27 +0100
child 7507:11e8c605a591
comparison
equal deleted inserted replaced
6731:d4a6c9ee4bc5 6732:b5cf091d8c45
1 local new = require "util.queue".new;
2
3 local q = new(10);
4
5 assert(q.size == 10);
6 assert(q:count() == 0);
7
8 assert(q:push("one"));
9 assert(q:push("two"));
10 assert(q:push("three"));
11
12 for i = 4, 10 do
13 print("pushing "..i)
14 assert(q:push("hello"));
15 assert(q:count() == i, "count is not "..i.."("..q:count()..")");
16 end
17 assert(q:push("hello") == nil, "queue overfull!");
18 assert(q:push("hello") == nil, "queue overfull!");
19 assert(q:pop() == "one", "queue item incorrect");
20 assert(q:pop() == "two", "queue item incorrect");
21 assert(q:push("hello"));
22 assert(q:push("hello"));
23 assert(q:pop() == "three", "queue item incorrect");
24 assert(q:push("hello"));
25 assert(q:push("hello") == nil, "queue overfull!");
26 assert(q:push("hello") == nil, "queue overfull!");
27
28 assert(q:count() == 10, "queue count incorrect");
29
30 for i = 1, 10 do
31 assert(q:pop() == "hello", "queue item incorrect");
32 end
33
34 assert(q:count() == 0, "queue count incorrect");
35
36 assert(q:push(1));
37 for i = 1, 1001 do
38 assert(q:pop() == i);
39 assert(q:count() == 0);
40 assert(q:push(i+1));
41 assert(q:count() == 1);
42 end
43 assert(q:pop() == 1002);
44 assert(q:push(1));
45 for i = 1, 1000000 do
46 q:pop();
47 q:push(i+1);
48 end
49
50 -- Test queues that purge old items when pushing to a full queue
51 local q = new(10, true);
52
53 for i = 1, 10 do
54 q:push(i);
55 end
56
57 assert(q:count() == 10);
58
59 assert(q:push(11));
60 assert(q:count() == 10);
61 assert(q:pop() == 2); -- First item should have been purged
62
63 for i = 12, 32 do
64 assert(q:push(i));
65 end
66
67 assert(q:count() == 10);
68 assert(q:pop() == 23);