src/test/test-strxcpyx.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <string.h>
   4
   5 #include "string-util.h"
   6 #include "strxcpyx.h"
   7 #include "util.h"
   8
   9 static void test_strpcpy(void) {
  10         char target[25];
  11         char *s = target;
  12         size_t space_left;
  13
  14         space_left = sizeof(target);
  15         space_left = strpcpy(&s, space_left, "12345");
  16         space_left = strpcpy(&s, space_left, "hey hey hey");
  17         space_left = strpcpy(&s, space_left, "waldo");
  18         space_left = strpcpy(&s, space_left, "ba");
  19         space_left = strpcpy(&s, space_left, "r");
  20         space_left = strpcpy(&s, space_left, "foo");
  21
  22         assert_se(streq(target, "12345hey hey heywaldobar"));
  23         assert_se(space_left == 0);
  24 }
  25
  26 static void test_strpcpyf(void) {
  27         char target[25];
  28         char *s = target;
  29         size_t space_left;
  30
  31         space_left = sizeof(target);
  32         space_left = strpcpyf(&s, space_left, "space left: %zu. ", space_left);
  33         space_left = strpcpyf(&s, space_left, "foo%s", "bar");
  34
  35         assert_se(streq(target, "space left: 25. foobar"));
  36         assert_se(space_left == 3);
  37
  38         /* test overflow */
  39         s = target;
  40         space_left = strpcpyf(&s, 12, "00 left: %i. ", 999);
  41         assert_se(streq(target, "00 left: 99"));
  42         assert_se(space_left == 0);
  43         assert_se(target[12] == '2');
  44 }
  45
  46 static void test_strpcpyl(void) {
  47         char target[25];
  48         char *s = target;
  49         size_t space_left;
  50
  51         space_left = sizeof(target);
  52         space_left = strpcpyl(&s, space_left, "waldo", " test", " waldo. ", NULL);
  53         space_left = strpcpyl(&s, space_left, "Banana", NULL);
  54
  55         assert_se(streq(target, "waldo test waldo. Banana"));
  56         assert_se(space_left == 1);
  57 }
  58
  59 static void test_strscpy(void) {
  60         char target[25];
  61         size_t space_left;
  62
  63         space_left = sizeof(target);
  64         space_left = strscpy(target, space_left, "12345");
  65
  66         assert_se(streq(target, "12345"));
  67         assert_se(space_left == 20);
  68 }
  69
  70 static void test_strscpyl(void) {
  71         char target[25];
  72         size_t space_left;
  73
  74         space_left = sizeof(target);
  75         space_left = strscpyl(target, space_left, "12345", "waldo", "waldo", NULL);
  76
  77         assert_se(streq(target, "12345waldowaldo"));
  78         assert_se(space_left == 10);
  79 }
  80
  81 int main(int argc, char *argv[]) {
  82         test_strpcpy();
  83         test_strpcpyf();
  84         test_strpcpyl();
  85         test_strscpy();
  86         test_strscpyl();
  87
  88         return 0;
  89 }