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test: add test case for getenv_for_pid()

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This commit is contained in:
Yu Watanabe
2025-07-19 03:21:10 +09:00
committed by Luca Boccassi
parent 231cee5bdb
commit 0021f7fdf4
1 changed files with 34 additions and 0 deletions
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34
src/test/test-process-util.c
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@@ -1096,6 +1096,40 @@ TEST(pidfd_get_inode_id_self_cached) {
}
}
TEST(getenv_for_pid) {
_cleanup_strv_free_ char **copy_env = NULL;
pid_t pid = getpid_cached();
int r;
ASSERT_NOT_NULL(copy_env = strv_copy(environ));
ASSERT_OK(r = pidref_safe_fork("(getenv_for_pid)", FORK_WAIT, NULL));
if (r == 0) {
STRV_FOREACH(e, copy_env) {
const char *v = strchr(*e, '=');
if (!v)
continue;
_cleanup_free_ char *k = NULL;
ASSERT_NOT_NULL(k = strndup(*e, v - *e));
v++;
_cleanup_free_ char *value = NULL;
ASSERT_OK_POSITIVE(getenv_for_pid(pid, k, &value));
ASSERT_STREQ(value, v);
}
if (!strv_find_startswith(copy_env, "HOGEHOGE")) {
char *value = POINTER_MAX;
ASSERT_OK_ZERO(getenv_for_pid(pid, "HOGEHOGE", &value));
ASSERT_NULL(value);
}
_exit(EXIT_SUCCESS);
}
}
static int intro(void) {
log_show_color(true);
return EXIT_SUCCESS;