src/test/test-job-type.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2010 Lennart Poettering
   6 ***/
   7
   8 #include <stdio.h>
   9
  10 #include "job.h"
  11 #include "service.h"
  12 #include "unit.h"
  13
  14 int main(int argc, char*argv[]) {
  15         JobType a, b, c, ab, bc, ab_c, bc_a, a_bc;
  16         const ServiceState test_states[] = { SERVICE_DEAD, SERVICE_RUNNING };
  17         unsigned i;
  18         bool merged_ab;
  19
  20         /* fake a unit */
  21         static Service s = {
  22                 .meta.load_state = UNIT_LOADED,
  23                 .type = SERVICE_SIMPLE,
  24         };
  25         Unit *u = UNIT(&s);
  26
  27         for (i = 0; i < ELEMENTSOF(test_states); i++) {
  28                 s.state = test_states[i];
  29                 printf("\nWith collapsing for service state %s\n"
  30                        "=========================================\n", service_state_to_string(s.state));
  31                 for (a = 0; a < _JOB_TYPE_MAX_MERGING; a++) {
  32                         for (b = 0; b < _JOB_TYPE_MAX_MERGING; b++) {
  33
  34                                 ab = a;
  35                                 merged_ab = (job_type_merge_and_collapse(&ab, b, u) >= 0);
  36
  37                                 if (!job_type_is_mergeable(a, b)) {
  38                                         assert_se(!merged_ab);
  39                                         printf("Not mergeable: %s + %s\n", job_type_to_string(a), job_type_to_string(b));
  40                                         continue;
  41                                 }
  42
  43                                 assert_se(merged_ab);
  44                                 printf("%s + %s = %s\n", job_type_to_string(a), job_type_to_string(b), job_type_to_string(ab));
  45
  46                                 for (c = 0; c < _JOB_TYPE_MAX_MERGING; c++) {
  47
  48                                         /* Verify transitivity of mergeability of job types */
  49                                         assert_se(!job_type_is_mergeable(a, b) ||
  50                                                !job_type_is_mergeable(b, c) ||
  51                                                job_type_is_mergeable(a, c));
  52
  53                                         /* Verify that merged entries can be merged with the same entries
  54                                          * they can be merged with separately */
  55                                         assert_se(!job_type_is_mergeable(a, c) || job_type_is_mergeable(ab, c));
  56                                         assert_se(!job_type_is_mergeable(b, c) || job_type_is_mergeable(ab, c));
  57
  58                                         /* Verify that if a merged with b is not mergeable with c, then
  59                                          * either a or b is not mergeable with c either. */
  60                                         assert_se(job_type_is_mergeable(ab, c) || !job_type_is_mergeable(a, c) || !job_type_is_mergeable(b, c));
  61
  62                                         bc = b;
  63                                         if (job_type_merge_and_collapse(&bc, c, u) >= 0) {
  64
  65                                                 /* Verify associativity */
  66
  67                                                 ab_c = ab;
  68                                                 assert_se(job_type_merge_and_collapse(&ab_c, c, u) == 0);
  69
  70                                                 bc_a = bc;
  71                                                 assert_se(job_type_merge_and_collapse(&bc_a, a, u) == 0);
  72
  73                                                 a_bc = a;
  74                                                 assert_se(job_type_merge_and_collapse(&a_bc, bc, u) == 0);
  75
  76                                                 assert_se(ab_c == bc_a);
  77                                                 assert_se(ab_c == a_bc);
  78
  79                                                 printf("%s + %s + %s = %s\n", job_type_to_string(a), job_type_to_string(b), job_type_to_string(c), job_type_to_string(ab_c));
  80                                         }
  81                                 }
  82                         }
  83                 }
  84         }
  85
  86
  87         return 0;
  88 }