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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
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2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2010 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
21 | #include "alloc-util.h" | |
22 | #include "cpu-set-util.h" | |
23 | #include "macro.h" | |
24 | ||
25 | static void test_parse_cpu_set(void) { | |
26 | cpu_set_t *c = NULL; | |
27 | int ncpus; | |
28 | int cpu; | |
29 | ||
30 | /* Simple range (from CPUAffinity example) */ | |
31 | ncpus = parse_cpu_set_and_warn("1 2", &c, NULL, "fake", 1, "CPUAffinity"); | |
32 | assert_se(ncpus >= 1024); | |
33 | assert_se(CPU_ISSET_S(1, CPU_ALLOC_SIZE(ncpus), c)); | |
34 | assert_se(CPU_ISSET_S(2, CPU_ALLOC_SIZE(ncpus), c)); | |
35 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 2); | |
36 | c = mfree(c); | |
37 | ||
38 | /* A more interesting range */ | |
39 | ncpus = parse_cpu_set_and_warn("0 1 2 3 8 9 10 11", &c, NULL, "fake", 1, "CPUAffinity"); | |
40 | assert_se(ncpus >= 1024); | |
41 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); | |
42 | for (cpu = 0; cpu < 4; cpu++) | |
43 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
44 | for (cpu = 8; cpu < 12; cpu++) | |
45 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
46 | c = mfree(c); | |
47 | ||
48 | /* Quoted strings */ | |
49 | ncpus = parse_cpu_set_and_warn("8 '9' 10 \"11\"", &c, NULL, "fake", 1, "CPUAffinity"); | |
50 | assert_se(ncpus >= 1024); | |
51 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 4); | |
52 | for (cpu = 8; cpu < 12; cpu++) | |
53 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
54 | c = mfree(c); | |
55 | ||
56 | /* Use commas as separators */ | |
57 | ncpus = parse_cpu_set_and_warn("0,1,2,3 8,9,10,11", &c, NULL, "fake", 1, "CPUAffinity"); | |
58 | assert_se(ncpus >= 1024); | |
59 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); | |
60 | for (cpu = 0; cpu < 4; cpu++) | |
61 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
62 | for (cpu = 8; cpu < 12; cpu++) | |
63 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
64 | c = mfree(c); | |
65 | ||
66 | /* Commas with spaces (and trailing comma, space) */ | |
67 | ncpus = parse_cpu_set_and_warn("0, 1, 2, 3, 4, 5, 6, 7, ", &c, NULL, "fake", 1, "CPUAffinity"); | |
68 | assert_se(ncpus >= 1024); | |
69 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); | |
70 | for (cpu = 0; cpu < 8; cpu++) | |
71 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
72 | c = mfree(c); | |
73 | ||
74 | /* Ranges */ | |
75 | ncpus = parse_cpu_set_and_warn("0-3,8-11", &c, NULL, "fake", 1, "CPUAffinity"); | |
76 | assert_se(ncpus >= 1024); | |
77 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); | |
78 | for (cpu = 0; cpu < 4; cpu++) | |
79 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
80 | for (cpu = 8; cpu < 12; cpu++) | |
81 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
82 | c = mfree(c); | |
83 | ||
84 | /* Ranges with trailing comma, space */ | |
85 | ncpus = parse_cpu_set_and_warn("0-3 8-11, ", &c, NULL, "fake", 1, "CPUAffinity"); | |
86 | assert_se(ncpus >= 1024); | |
87 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 8); | |
88 | for (cpu = 0; cpu < 4; cpu++) | |
89 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
90 | for (cpu = 8; cpu < 12; cpu++) | |
91 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
92 | c = mfree(c); | |
93 | ||
94 | /* Negative range (returns empty cpu_set) */ | |
95 | ncpus = parse_cpu_set_and_warn("3-0", &c, NULL, "fake", 1, "CPUAffinity"); | |
96 | assert_se(ncpus >= 1024); | |
97 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 0); | |
98 | c = mfree(c); | |
99 | ||
100 | /* Overlapping ranges */ | |
101 | ncpus = parse_cpu_set_and_warn("0-7 4-11", &c, NULL, "fake", 1, "CPUAffinity"); | |
102 | assert_se(ncpus >= 1024); | |
103 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 12); | |
104 | for (cpu = 0; cpu < 12; cpu++) | |
105 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
106 | c = mfree(c); | |
107 | ||
108 | /* Mix ranges and individual CPUs */ | |
109 | ncpus = parse_cpu_set_and_warn("0,1 4-11", &c, NULL, "fake", 1, "CPUAffinity"); | |
110 | assert_se(ncpus >= 1024); | |
111 | assert_se(CPU_COUNT_S(CPU_ALLOC_SIZE(ncpus), c) == 10); | |
112 | assert_se(CPU_ISSET_S(0, CPU_ALLOC_SIZE(ncpus), c)); | |
113 | assert_se(CPU_ISSET_S(1, CPU_ALLOC_SIZE(ncpus), c)); | |
114 | for (cpu = 4; cpu < 12; cpu++) | |
115 | assert_se(CPU_ISSET_S(cpu, CPU_ALLOC_SIZE(ncpus), c)); | |
116 | c = mfree(c); | |
117 | ||
118 | /* Garbage */ | |
119 | ncpus = parse_cpu_set_and_warn("0 1 2 3 garbage", &c, NULL, "fake", 1, "CPUAffinity"); | |
120 | assert_se(ncpus < 0); | |
121 | assert_se(!c); | |
122 | ||
123 | /* Range with garbage */ | |
124 | ncpus = parse_cpu_set_and_warn("0-3 8-garbage", &c, NULL, "fake", 1, "CPUAffinity"); | |
125 | assert_se(ncpus < 0); | |
126 | assert_se(!c); | |
127 | ||
128 | /* Empty string */ | |
129 | c = NULL; | |
130 | ncpus = parse_cpu_set_and_warn("", &c, NULL, "fake", 1, "CPUAffinity"); | |
131 | assert_se(ncpus == 0); /* empty string returns 0 */ | |
132 | assert_se(!c); | |
133 | ||
efd08022 | 134 | /* Runaway quoted string */ |
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135 | ncpus = parse_cpu_set_and_warn("0 1 2 3 \"4 5 6 7 ", &c, NULL, "fake", 1, "CPUAffinity"); |
136 | assert_se(ncpus < 0); | |
137 | assert_se(!c); | |
138 | } | |
139 | ||
140 | int main(int argc, char *argv[]) { | |
141 | test_parse_cpu_set(); | |
142 | ||
143 | return 0; | |
144 | } |