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test-log: add test cases for log_format_iovec()

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This commit is contained in:
Yu Watanabe
2025-11-16 16:54:53 +09:00
parent c1792c2005
commit f10444319e
1 changed files with 74 additions and 0 deletions
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74
src/test/test-log.c
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@@ -71,6 +71,80 @@ TEST(log_once) {
test_log_once_impl();
}
_sentinel_
static void test_log_format_iovec_sentinel(
char * const *expected,
const char *format,
...) {
size_t iovec_len = 20, n = 0;
struct iovec *iovec = newa(struct iovec, iovec_len);
va_list ap;
log_debug("/* %s(%s) */", __func__, strnull(format));
char **v = STRV_MAKE("SYSLOG_FACILITY=3",
"SYSLOG_IDENTIFIER=systemd-journald",
"_TRANSPORT=driver",
"PRIORITY=6");
size_t m = strv_length(v);
STRV_FOREACH(s, v)
iovec[n++] = IOVEC_MAKE_STRING(*s);
ASSERT_EQ(n, m);
va_start(ap, format);
DISABLE_WARNING_FORMAT_NONLITERAL;
ASSERT_OK(log_format_iovec(iovec, iovec_len, &n, /* newline_separator = */ false, ENOANO, format, ap));
REENABLE_WARNING;
va_end(ap);
ASSERT_EQ(n, m + strv_length(expected));
for (size_t i = 0; i < n; i++)
if (i < m)
ASSERT_EQ(iovec_memcmp(&iovec[i], &IOVEC_MAKE_STRING(v[i])), 0);
else {
ASSERT_EQ(iovec_memcmp(&iovec[i], &IOVEC_MAKE_STRING(expected[i - m])), 0);
free(iovec[i].iov_base);
}
n = m;
va_start(ap, format);
DISABLE_WARNING_FORMAT_NONLITERAL;
ASSERT_OK(log_format_iovec(iovec, iovec_len, &n, /* newline_separator = */ true, ENOANO, format, ap));
REENABLE_WARNING;
va_end(ap);
ASSERT_EQ(n, m + strv_length(expected) * 2);
for (size_t i = 0; i < n; i++)
if (i < m)
ASSERT_EQ(iovec_memcmp(&iovec[i], &IOVEC_MAKE_STRING(v[i])), 0);
else if ((i - m) % 2 == 0) {
ASSERT_EQ(iovec_memcmp(&iovec[i], &IOVEC_MAKE_STRING(expected[(i - m) / 2])), 0);
free(iovec[i].iov_base);
} else
ASSERT_EQ(iovec_memcmp(&iovec[i], &IOVEC_MAKE_STRING("\n")), 0);
}
#define test_log_format_iovec_one(...) \
test_log_format_iovec_sentinel(__VA_ARGS__, NULL)
TEST(log_format_iovec) {
test_log_format_iovec_one(NULL, NULL);
test_log_format_iovec_one(STRV_MAKE("MESSAGE=hoge"),
LOG_MESSAGE("hoge"));
test_log_format_iovec_one(STRV_MAKE("MESSAGE=hoge: 10"),
LOG_MESSAGE("hoge: %i", 10));
test_log_format_iovec_one(STRV_MAKE("MESSAGE=hoge: 10-a", "HOGEHOGE=100-string", "FOOFOO=4-3"),
LOG_MESSAGE("hoge: %i-%c", 10, 'a'),
LOG_ITEM("HOGEHOGE=%zu-%s", (size_t) 100, "string"),
LOG_ITEM("FOOFOO=%hu-%llu", (unsigned short) 4, (long long unsigned) 3));
}
static void test_log_struct(void) {
log_struct(LOG_INFO,
"MESSAGE=Waldo PID="PID_FMT" (no errno)", getpid_cached(),