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1 | /* |
2 | * GRUB -- GRand Unified Bootloader | |
3 | * Copyright (C) 2013 Free Software Foundation, Inc. | |
4 | * | |
5 | * GRUB is free software: you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation, either version 3 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * GRUB is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with GRUB. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | ||
19 | #include <stdio.h> | |
20 | #include <string.h> | |
21 | #include <grub/test.h> | |
22 | #include <grub/misc.h> | |
23 | #include <grub/priority_queue.h> | |
24 | ||
25 | #include <stdlib.h> | |
26 | #include <stdio.h> | |
27 | #include <string.h> | |
28 | ||
29 | #include <queue> | |
30 | ||
31 | using namespace std; | |
32 | ||
33 | static int | |
34 | compar (const void *a_, const void *b_) | |
35 | { | |
36 | int a = *(int *) a_; | |
37 | int b = *(int *) b_; | |
38 | if (a < b) | |
39 | return -1; | |
40 | if (a > b) | |
41 | return +1; | |
42 | return 0; | |
43 | } | |
44 | ||
45 | static void | |
46 | priority_queue_test (void) | |
47 | { | |
48 | priority_queue <int> pq; | |
49 | grub_priority_queue_t pq2; | |
50 | int counter; | |
51 | int s = 0; | |
52 | pq2 = grub_priority_queue_new (sizeof (int), compar); | |
53 | if (!pq2) | |
54 | { | |
55 | grub_test_assert (0, | |
56 | "priority queue: queue creating failed\n"); | |
57 | return; | |
58 | } | |
59 | srand (1); | |
60 | ||
61 | for (counter = 0; counter < 1000000; counter++) | |
62 | { | |
63 | int op = rand () % 10; | |
64 | if (s && *(int *) grub_priority_queue_top (pq2) != pq.top ()) | |
65 | { | |
66 | printf ("Error at %d\n", counter); | |
67 | grub_test_assert (0, | |
68 | "priority queue: error at %d\n", counter); | |
69 | return; | |
70 | } | |
71 | if (op < 3 && s) | |
72 | { | |
73 | grub_priority_queue_pop (pq2); | |
74 | pq.pop (); | |
75 | s--; | |
76 | } | |
77 | else | |
78 | { | |
79 | int v = rand (); | |
80 | pq.push (v); | |
81 | if (grub_priority_queue_push (pq2, &v) != 0) | |
82 | { | |
83 | grub_test_assert (0, | |
84 | "priority queue: push failed"); | |
85 | return; | |
86 | } | |
87 | s++; | |
88 | } | |
89 | } | |
90 | while (s) | |
91 | { | |
92 | if (*(int *) grub_priority_queue_top (pq2) != pq.top ()) | |
93 | { | |
94 | grub_test_assert (0, | |
95 | "priority queue: Error at the end. %d elements remaining.\n", s); | |
96 | return; | |
97 | } | |
98 | grub_priority_queue_pop (pq2); | |
99 | pq.pop (); | |
100 | s--; | |
101 | } | |
102 | printf ("priority_queue: passed successfully\n"); | |
103 | } | |
104 | ||
105 | GRUB_UNIT_TEST ("priority_queue_unit_test", priority_queue_test); |