// SPDX-License-Identifier: LGPL-2.1+
/*
* Copyright (C) 2018 Red Hat, Inc.
*/
#define NM_TEST_UTILS_NO_LIBNM 1
#include "nm-default.h"
#include "nm-std-aux/unaligned.h"
#include "nm-glib-aux/nm-random-utils.h"
#include "nm-glib-aux/nm-str-buf.h"
#include "nm-glib-aux/nm-time-utils.h"
#include "nm-glib-aux/nm-ref-string.h"
#include "nm-utils/nm-test-utils.h"
/*****************************************************************************/
static void
test_gpid (void)
{
const int *int_ptr;
GPid pid = 42;
/* We redefine G_PID_FORMAT, because it's only available since glib 2.53.5.
*
* Also, this is the format for GPid, which for glib is always a typedef
* for "int". Add a check for that here.
*
* G_PID_FORMAT is not about pid_t, which might be a smaller int, and which we would
* check with SIZEOF_PID_T. */
G_STATIC_ASSERT (sizeof (GPid) == sizeof (int));
g_assert_cmpstr (""G_PID_FORMAT, ==, "i");
/* check that it's really "int". We will get a compiler warning, if that's not
* the case. */
int_ptr = &pid;
g_assert_cmpint (*int_ptr, ==, 42);
}
/*****************************************************************************/
static void
test_monotonic_timestamp (void)
{
g_assert (nm_utils_get_monotonic_timestamp_sec () > 0);
}
/*****************************************************************************/
static void
test_nmhash (void)
{
int rnd;
nm_utils_random_bytes (&rnd, sizeof (rnd));
g_assert (nm_hash_val (555, 4) != 0);
}
/*****************************************************************************/
static const char *
_make_strv_foo (void)
{
return "foo";
}
static const char *const*const _tst_make_strv_1 = NM_MAKE_STRV ("1", "2");
static void
test_make_strv (void)
{
const char *const*v1a = NM_MAKE_STRV ("a");
const char *const*v1b = NM_MAKE_STRV ("a", );
const char *const*v2a = NM_MAKE_STRV ("a", "b");
const char *const*v2b = NM_MAKE_STRV ("a", "b", );
const char *const v3[] = { "a", "b", };
const char *const*v4b = NM_MAKE_STRV ("a", _make_strv_foo (), );
g_assert (NM_PTRARRAY_LEN (v1a) == 1);
g_assert (NM_PTRARRAY_LEN (v1b) == 1);
g_assert (NM_PTRARRAY_LEN (v2a) == 2);
g_assert (NM_PTRARRAY_LEN (v2b) == 2);
g_assert (NM_PTRARRAY_LEN (_tst_make_strv_1) == 2);
g_assert_cmpstr (_tst_make_strv_1[0], ==, "1");
g_assert_cmpstr (_tst_make_strv_1[1], ==, "2");
/* writing the static read-only variable leads to crash .*/
//((char **) _tst_make_strv_1)[0] = NULL;
//((char **) _tst_make_strv_1)[2] = "c";
G_STATIC_ASSERT_EXPR (G_N_ELEMENTS (v3) == 2);
g_assert (NM_PTRARRAY_LEN (v4b) == 2);
G_STATIC_ASSERT_EXPR (G_N_ELEMENTS (NM_MAKE_STRV ("a", "b" )) == 3);
G_STATIC_ASSERT_EXPR (G_N_ELEMENTS (NM_MAKE_STRV ("a", "b", )) == 3);
nm_strquote_a (300, "");
}
/*****************************************************************************/
typedef enum {
TEST_NM_STRDUP_ENUM_m1 = -1,
TEST_NM_STRDUP_ENUM_3 = 3,
} TestNMStrdupIntEnum;
static void
test_nm_strdup_int (void)
{
#define _NM_STRDUP_INT_TEST(num, str) \
G_STMT_START { \
gs_free char *_s1 = NULL; \
\
_s1 = nm_strdup_int ((num)); \
\
g_assert (_s1); \
g_assert_cmpstr (_s1, ==, str); \
} G_STMT_END
#define _NM_STRDUP_INT_TEST_TYPED(type, num) \
G_STMT_START { \
type _num = ((type) num); \
\
_NM_STRDUP_INT_TEST (_num, G_STRINGIFY (num)); \
} G_STMT_END
_NM_STRDUP_INT_TEST_TYPED (char, 0);
_NM_STRDUP_INT_TEST_TYPED (char, 1);
_NM_STRDUP_INT_TEST_TYPED (guint8, 0);
_NM_STRDUP_INT_TEST_TYPED (gint8, 25);
_NM_STRDUP_INT_TEST_TYPED (char, 47);
_NM_STRDUP_INT_TEST_TYPED (short, 47);
_NM_STRDUP_INT_TEST_TYPED (int, 47);
_NM_STRDUP_INT_TEST_TYPED (long, 47);
_NM_STRDUP_INT_TEST_TYPED (unsigned char, 47);
_NM_STRDUP_INT_TEST_TYPED (unsigned short, 47);
_NM_STRDUP_INT_TEST_TYPED (unsigned, 47);
_NM_STRDUP_INT_TEST_TYPED (unsigned long, 47);
_NM_STRDUP_INT_TEST_TYPED (gint64, 9223372036854775807);
_NM_STRDUP_INT_TEST_TYPED (gint64, -9223372036854775807);
_NM_STRDUP_INT_TEST_TYPED (guint64, 0);
_NM_STRDUP_INT_TEST_TYPED (guint64, 9223372036854775807);
_NM_STRDUP_INT_TEST (TEST_NM_STRDUP_ENUM_m1, "-1");
_NM_STRDUP_INT_TEST (TEST_NM_STRDUP_ENUM_3, "3");
}
/*****************************************************************************/
static void
test_nm_strndup_a (void)
{
int run;
for (run = 0; run < 20; run++) {
gs_free char *input = NULL;
char ch;
gsize i, l;
input = g_strnfill (nmtst_get_rand_uint32 () % 20, 'x');
for (i = 0; input[i]; i++) {
while ((ch = ((char) nmtst_get_rand_uint32 ())) == '\0') {
/* repeat. */
}
input[i] = ch;
}
{
gs_free char *dup_free = NULL;
const char *dup;
l = strlen (input) + 1;
dup = nm_strndup_a (10, input, l - 1, &dup_free);
g_assert_cmpstr (dup, ==, input);
if (strlen (dup) < 10)
g_assert (!dup_free);
else
g_assert (dup == dup_free);
}
{
gs_free char *dup_free = NULL;
const char *dup;
l = nmtst_get_rand_uint32 () % 23;
dup = nm_strndup_a (10, input, l, &dup_free);
g_assert (strncmp (dup, input, l) == 0);
g_assert (strlen (dup) <= l);
if (l < 10)
g_assert (!dup_free);
else
g_assert (dup == dup_free);
if (strlen (input) < l)
g_assert (nm_utils_memeqzero (&dup[strlen (input)], l - strlen (input)));
}
}
}
/*****************************************************************************/
static void
test_nm_ip4_addr_is_localhost (void)
{
g_assert ( nm_ip4_addr_is_localhost (nmtst_inet4_from_string ("127.0.0.0")));
g_assert ( nm_ip4_addr_is_localhost (nmtst_inet4_from_string ("127.0.0.1")));
g_assert ( nm_ip4_addr_is_localhost (nmtst_inet4_from_string ("127.5.0.1")));
g_assert (!nm_ip4_addr_is_localhost (nmtst_inet4_from_string ("126.5.0.1")));
g_assert (!nm_ip4_addr_is_localhost (nmtst_inet4_from_string ("128.5.0.1")));
g_assert (!nm_ip4_addr_is_localhost (nmtst_inet4_from_string ("129.5.0.1")));
}
/*****************************************************************************/
static void
test_unaligned (void)
{
int shift;
for (shift = 0; shift <= 32; shift++) {
guint8 buf[100] = { };
guint8 val = 0;
while (val == 0)
val = nmtst_get_rand_uint32 () % 256;
buf[shift] = val;
g_assert_cmpint (unaligned_read_le64 (&buf[shift]), ==, (guint64) val);
g_assert_cmpint (unaligned_read_be64 (&buf[shift]), ==, ((guint64) val) << 56);
g_assert_cmpint (unaligned_read_ne64 (&buf[shift]), !=, 0);
g_assert_cmpint (unaligned_read_le32 (&buf[shift]), ==, (guint32) val);
g_assert_cmpint (unaligned_read_be32 (&buf[shift]), ==, ((guint32) val) << 24);
g_assert_cmpint (unaligned_read_ne32 (&buf[shift]), !=, 0);
g_assert_cmpint (unaligned_read_le16 (&buf[shift]), ==, (guint16) val);
g_assert_cmpint (unaligned_read_be16 (&buf[shift]), ==, ((guint16) val) << 8);
g_assert_cmpint (unaligned_read_ne16 (&buf[shift]), !=, 0);
}
}
/*****************************************************************************/
static void
_strv_cmp_fuzz_input (const char *const*in,
gssize l,
const char ***out_strv_free_shallow,
char ***out_strv_free_deep,
const char *const* *out_s1,
const char *const* *out_s2)
{
const char **strv;
gsize i;
/* Fuzz the input argument. It will return two output arrays that are semantically
* equal the input. */
if (nmtst_get_rand_bool ()) {
char **ss;
if (l < 0)
ss = g_strdupv ((char **) in);
else if (l == 0) {
ss = nmtst_get_rand_bool ()
? NULL
: g_new0 (char *, 1);
} else {
ss = nm_memdup (in, sizeof (const char *) * l);
for (i = 0; i < (gsize) l; i++)
ss[i] = g_strdup (ss[i]);
}
strv = (const char **) ss;
*out_strv_free_deep = ss;
} else {
if (l < 0) {
strv = in
? nm_memdup (in, sizeof (const char *) * (NM_PTRARRAY_LEN (in) + 1))
: NULL;
} else if (l == 0) {
strv = nmtst_get_rand_bool ()
? NULL
: g_new0 (const char *, 1);
} else
strv = nm_memdup (in, sizeof (const char *) * l);
*out_strv_free_shallow = strv;
}
*out_s1 = in;
*out_s2 = strv;
if (nmtst_get_rand_bool ()) {
/* randomly swap the original and the clone. That means, out_s1 is either
* the input argument (as-is) or the sementically equal clone. */
NM_SWAP (*out_s1, *out_s2);
}
if (nmtst_get_rand_bool ()) {
/* randomly make s1 and s2 the same. This is for testing that
* comparing two identical pointers yields the same result. */
*out_s2 = *out_s1;
}
}
static void
_strv_cmp_free_deep (char **strv,
gssize len)
{
gssize i;
if (strv) {
if (len < 0)
g_strfreev (strv);
else {
for (i = 0; i < len; i++)
g_free (strv[i]);
g_free (strv);
}
}
}
static void
test_strv_cmp (void)
{
const char *const strv0[1] = { };
const char *const strv1[2] = { "", };
#define _STRV_CMP(a1, l1, a2, l2, equal) \
G_STMT_START { \
gssize _l1 = (l1); \
gssize _l2 = (l2); \
const char *const*_a1; \
const char *const*_a2; \
const char *const*_a1x; \
const char *const*_a2x; \
char **_a1_free_deep = NULL; \
char **_a2_free_deep = NULL; \
gs_free const char **_a1_free_shallow = NULL; \
gs_free const char **_a2_free_shallow = NULL; \
int _c1, _c2; \
\
_strv_cmp_fuzz_input ((a1), _l1, &_a1_free_shallow, &_a1_free_deep, &_a1, &_a1x); \
_strv_cmp_fuzz_input ((a2), _l2, &_a2_free_shallow, &_a2_free_deep, &_a2, &_a2x); \
\
_c1 = _nm_utils_strv_cmp_n (_a1, _l1, _a2, _l2); \
_c2 = _nm_utils_strv_cmp_n (_a2, _l2, _a1, _l1); \
if (equal) { \
g_assert_cmpint (_c1, ==, 0); \
g_assert_cmpint (_c2, ==, 0); \
} else { \
g_assert_cmpint (_c1, ==, -1); \
g_assert_cmpint (_c2, ==, 1); \
} \
\
/* Compare with self. _strv_cmp_fuzz_input() randomly swapped the arguments (_a1 and _a1x).
* Either way, the arrays must compare equal to their semantically equal alternative. */ \
g_assert_cmpint (_nm_utils_strv_cmp_n (_a1, _l1, _a1x, _l1), ==, 0); \
g_assert_cmpint (_nm_utils_strv_cmp_n (_a2, _l2, _a2x, _l2), ==, 0); \
\
_strv_cmp_free_deep (_a1_free_deep, _l1); \
_strv_cmp_free_deep (_a2_free_deep, _l2); \
} G_STMT_END
_STRV_CMP (NULL, -1, NULL, -1, TRUE);
_STRV_CMP (NULL, -1, NULL, 0, FALSE);
_STRV_CMP (NULL, -1, strv0, 0, FALSE);
_STRV_CMP (NULL, -1, strv0, -1, FALSE);
_STRV_CMP (NULL, 0, NULL, 0, TRUE);
_STRV_CMP (NULL, 0, strv0, 0, TRUE);
_STRV_CMP (NULL, 0, strv0, -1, TRUE);
_STRV_CMP (strv0, 0, strv0, 0, TRUE);
_STRV_CMP (strv0, 0, strv0, -1, TRUE);
_STRV_CMP (strv0, -1, strv0, -1, TRUE);
_STRV_CMP (NULL, 0, strv1, -1, FALSE);
_STRV_CMP (NULL, 0, strv1, 1, FALSE);
_STRV_CMP (strv0, 0, strv1, -1, FALSE);
_STRV_CMP (strv0, 0, strv1, 1, FALSE);
_STRV_CMP (strv0, -1, strv1, -1, FALSE);
_STRV_CMP (strv0, -1, strv1, 1, FALSE);
_STRV_CMP (strv1, -1, strv1, 1, TRUE);
_STRV_CMP (strv1, 1, strv1, 1, TRUE);
}
/*****************************************************************************/
static void
_do_strstrip_avoid_copy (const char *str)
{
gs_free char *str1 = g_strdup (str);
gs_free char *str2 = g_strdup (str);
gs_free char *str3 = NULL;
gs_free char *str4 = NULL;
const char *s3;
const char *s4;
if (str1)
g_strstrip (str1);
nm_strstrip (str2);
g_assert_cmpstr (str1, ==, str2);
s3 = nm_strstrip_avoid_copy (str, &str3);
g_assert_cmpstr (str1, ==, s3);
s4 = nm_strstrip_avoid_copy_a (10, str, &str4);
g_assert_cmpstr (str1, ==, s4);
g_assert (!str == !s4);
g_assert (!s4 || strlen (s4) <= strlen (str));
if (s4 && s4 == &str[strlen (str) - strlen (s4)]) {
g_assert (!str4);
g_assert (s3 == s4);
} else if (s4 && strlen (s4) >= 10) {
g_assert (str4);
g_assert (s4 == str4);
} else
g_assert (!str4);
if (!nm_streq0 (str1, str))
_do_strstrip_avoid_copy (str1);
}
static void
test_strstrip_avoid_copy (void)
{
_do_strstrip_avoid_copy (NULL);
_do_strstrip_avoid_copy ("");
_do_strstrip_avoid_copy (" ");
_do_strstrip_avoid_copy (" a ");
_do_strstrip_avoid_copy (" 012345678 ");
_do_strstrip_avoid_copy (" 0123456789 ");
_do_strstrip_avoid_copy (" 01234567890 ");
_do_strstrip_avoid_copy (" 012345678901 ");
}
/*****************************************************************************/
static void
test_nm_utils_bin2hexstr (void)
{
int n_run;
for (n_run = 0; n_run < 100; n_run++) {
guint8 buf[100];
guint8 buf2[G_N_ELEMENTS (buf) + 1];
gsize len = nmtst_get_rand_uint32 () % (G_N_ELEMENTS (buf) + 1);
char strbuf1[G_N_ELEMENTS (buf) * 3];
gboolean allocate = nmtst_get_rand_bool ();
char delimiter = nmtst_get_rand_bool () ? ':' : '\0';
gboolean upper_case = nmtst_get_rand_bool ();
gsize expected_strlen;
char *str_hex;
gsize required_len;
gboolean outlen_set;
gsize outlen;
guint8 *bin2;
nmtst_rand_buf (NULL, buf, len);
if (len == 0)
expected_strlen = 0;
else if (delimiter != '\0')
expected_strlen = (len * 3u) - 1;
else
expected_strlen = len * 2u;
g_assert_cmpint (expected_strlen, <, G_N_ELEMENTS (strbuf1));
str_hex = nm_utils_bin2hexstr_full (buf, len, delimiter, upper_case, !allocate ? strbuf1 : NULL);
g_assert (str_hex);
if (!allocate)
g_assert (str_hex == strbuf1);
g_assert_cmpint (strlen (str_hex), ==, expected_strlen);
g_assert (NM_STRCHAR_ALL (str_hex, ch, (ch >= '0' && ch <= '9')
|| ch == delimiter
|| ( upper_case
? (ch >= 'A' && ch <= 'F')
: (ch >= 'a' && ch <= 'f'))));
required_len = nmtst_get_rand_bool () ? len : 0u;
outlen_set = required_len == 0 || nmtst_get_rand_bool ();
memset (buf2, 0, sizeof (buf2));
bin2 = nm_utils_hexstr2bin_full (str_hex,
nmtst_get_rand_bool (),
delimiter != '\0' && nmtst_get_rand_bool (),
delimiter != '\0'
? nmtst_rand_select ((const char *) ":", ":-")
: nmtst_rand_select ((const char *) ":", ":-", "", NULL),
required_len,
buf2,
len,
outlen_set ? &outlen : NULL);
if (len > 0) {
g_assert (bin2);
g_assert (bin2 == buf2);
} else
g_assert (!bin2);
if (outlen_set)
g_assert_cmpint (outlen, ==, len);
g_assert_cmpmem (buf, len, buf2, len);
g_assert (buf2[len] == '\0');
if (allocate)
g_free (str_hex);
}
}
/*****************************************************************************/
static void
test_nm_ref_string (void)
{
nm_auto_ref_string NMRefString *s1 = NULL;
NMRefString *s2;
s1 = nm_ref_string_new ("hallo");
g_assert (s1);
g_assert_cmpstr (s1->str, ==, "hallo");
g_assert_cmpint (s1->len, ==, strlen ("hallo"));
s2 = nm_ref_string_new ("hallo");
g_assert (s2 == s1);
nm_ref_string_unref (s2);
s2 = nm_ref_string_new (NULL);
g_assert (!s2);
nm_ref_string_unref (s2);
#define STR_WITH_NUL "hallo\0test\0"
s2 = nm_ref_string_new_len (STR_WITH_NUL, NM_STRLEN (STR_WITH_NUL));
g_assert (s2);
g_assert_cmpstr (s2->str, ==, "hallo");
g_assert_cmpint (s2->len, ==, NM_STRLEN (STR_WITH_NUL));
g_assert_cmpint (s2->len, >, strlen (s2->str));
g_assert_cmpmem (s2->str, s2->len, STR_WITH_NUL, NM_STRLEN (STR_WITH_NUL));
g_assert (s2->str[s2->len] == '\0');
nm_ref_string_unref (s2);
}
/*****************************************************************************/
static
NM_UTILS_STRING_TABLE_LOOKUP_DEFINE (
_do_string_table_lookup,
int,
{ ; },
{ return -1; },
{ "0", 0 },
{ "1", 1 },
{ "2", 2 },
{ "3", 3 },
)
static void
test_string_table_lookup (void)
{
const char *const args[] = { NULL, "0", "1", "2", "3", "x", };
int i;
for (i = 0; i < G_N_ELEMENTS (args); i++) {
const char *needle = args[i];
const int val2 = _nm_utils_ascii_str_to_int64 (needle, 10, 0, 100, -1);
int val;
val = _do_string_table_lookup (needle);
g_assert_cmpint (val, ==, val2);
}
}
/*****************************************************************************/
static void
test_nm_utils_get_next_realloc_size (void)
{
static const struct {
gsize requested;
gsize reserved_true;
gsize reserved_false;
} test_data[] = {
{ 0, 8, 8 },
{ 1, 8, 8 },
{ 8, 8, 8 },
{ 9, 16, 16 },
{ 16, 16, 16 },
{ 17, 32, 32 },
{ 32, 32, 32 },
{ 33, 40, 40 },
{ 40, 40, 40 },
{ 41, 104, 104 },
{ 104, 104, 104 },
{ 105, 232, 232 },
{ 232, 232, 232 },
{ 233, 488, 488 },
{ 488, 488, 488 },
{ 489, 1000, 1000 },
{ 1000, 1000, 1000 },
{ 1001, 2024, 2024 },
{ 2024, 2024, 2024 },
{ 2025, 4072, 4072 },
{ 4072, 4072, 4072 },
{ 4073, 8168, 8168 },
{ 8168, 8168, 8168 },
{ 8169, 12264, 16360 },
{ 12263, 12264, 16360 },
{ 12264, 12264, 16360 },
{ 12265, 16360, 16360 },
{ 16360, 16360, 16360 },
{ 16361, 20456, 32744 },
{ 20456, 20456, 32744 },
{ 20457, 24552, 32744 },
{ 24552, 24552, 32744 },
{ 24553, 28648, 32744 },
{ 28648, 28648, 32744 },
{ 28649, 32744, 32744 },
{ 32744, 32744, 32744 },
{ 32745, 36840, 65512 },
{ 36840, 36840, 65512 },
{ G_MAXSIZE - 0x1000u, G_MAXSIZE, G_MAXSIZE },
{ G_MAXSIZE - 25u, G_MAXSIZE, G_MAXSIZE },
{ G_MAXSIZE - 24u, G_MAXSIZE, G_MAXSIZE },
{ G_MAXSIZE - 1u, G_MAXSIZE, G_MAXSIZE },
{ G_MAXSIZE, G_MAXSIZE, G_MAXSIZE },
{ NM_UTILS_GET_NEXT_REALLOC_SIZE_104, NM_UTILS_GET_NEXT_REALLOC_SIZE_104, NM_UTILS_GET_NEXT_REALLOC_SIZE_104 },
{ NM_UTILS_GET_NEXT_REALLOC_SIZE_1000, NM_UTILS_GET_NEXT_REALLOC_SIZE_1000, NM_UTILS_GET_NEXT_REALLOC_SIZE_1000 },
};
guint i;
G_STATIC_ASSERT_EXPR (NM_UTILS_GET_NEXT_REALLOC_SIZE_104 == 104u);
G_STATIC_ASSERT_EXPR (NM_UTILS_GET_NEXT_REALLOC_SIZE_1000 == 1000u);
for (i = 0; i < G_N_ELEMENTS (test_data) + 5000u; i++) {
gsize requested0;
if (i < G_N_ELEMENTS (test_data))
requested0 = test_data[i].requested;
else {
/* find some interesting random values for testing. */
switch (nmtst_get_rand_uint32 () % 5) {
case 0:
requested0 = nmtst_get_rand_size ();
break;
case 1:
/* values close to G_MAXSIZE. */
requested0 = G_MAXSIZE - (nmtst_get_rand_uint32 () % 12000u);
break;
case 2:
/* values around G_MAXSIZE/2. */
requested0 = (G_MAXSIZE / 2u) + 6000u - (nmtst_get_rand_uint32 () % 12000u);
break;
case 3:
/* values around powers of 2. */
requested0 = (((gsize) 1) << (nmtst_get_rand_uint32 () % (sizeof (gsize) * 8u))) + 6000u - (nmtst_get_rand_uint32 () % 12000u);
break;
case 4:
/* values around 4k borders. */
requested0 = (nmtst_get_rand_size () & ~((gsize) 0xFFFu)) + 30u - (nmtst_get_rand_uint32 () % 60u);
break;
default: g_assert_not_reached ();
}
}
{
const gsize requested = requested0;
const gsize reserved_true = nm_utils_get_next_realloc_size (TRUE, requested);
const gsize reserved_false = nm_utils_get_next_realloc_size (FALSE, requested);
g_assert_cmpuint (reserved_true, >, 0);
g_assert_cmpuint (reserved_false, >, 0);
g_assert_cmpuint (reserved_true, >=, requested);
g_assert_cmpuint (reserved_false, >=, requested);
g_assert_cmpuint (reserved_false, >=, reserved_true);
if (i < G_N_ELEMENTS (test_data)) {
g_assert_cmpuint (reserved_true, ==, test_data[i].reserved_true);
g_assert_cmpuint (reserved_false, ==, test_data[i].reserved_false);
}
/* reserved_false is generally the next power of two - 24. */
if (reserved_false == G_MAXSIZE)
g_assert_cmpuint (requested, >, G_MAXSIZE / 2u - 24u);
else {
g_assert_cmpuint (reserved_false, <=, G_MAXSIZE - 24u);
if (reserved_false >= 40) {
const gsize _pow2 = reserved_false + 24u;
/* reserved_false must always be a power of two minus 24. */
g_assert_cmpuint (_pow2, >=, 64u);
g_assert_cmpuint (_pow2, >, requested);
g_assert (nm_utils_is_power_of_two (_pow2));
/* but _pow2/2 must also be smaller than what we requested. */
g_assert_cmpuint (_pow2 / 2u - 24u, <, requested);
} else {
/* smaller values are hard-coded. */
}
}
/* reserved_true is generally the next 4k border - 24. */
if (reserved_true == G_MAXSIZE)
g_assert_cmpuint (requested, >, G_MAXSIZE - 0x1000u - 24u);
else {
g_assert_cmpuint (reserved_true, <=, G_MAXSIZE - 24u);
if (reserved_true > 8168u) {
const gsize page_border = reserved_true + 24u;
/* reserved_true must always be aligned to 4k (minus 24). */
g_assert_cmpuint (page_border % 0x1000u, ==, 0);
if (requested > 0x1000u - 24u) {
/* page_border not be more than 4k above requested. */
g_assert_cmpuint (page_border, >=, 0x1000u - 24u);
g_assert_cmpuint (page_border - 0x1000u - 24u, <, requested);
}
} else {
/* for smaller sizes, reserved_true and reserved_false are the same. */
g_assert_cmpuint (reserved_true, ==, reserved_false);
}
}
}
}
}
/*****************************************************************************/
static void
test_nm_str_buf (void)
{
guint i_run;
for (i_run = 0; TRUE; i_run++) {
nm_auto_str_buf NMStrBuf strbuf = { };
nm_auto_free_gstring GString *gstr = NULL;
int i, j, k;
int c;
nm_str_buf_init (&strbuf,
nmtst_get_rand_uint32 () % 200u + 1u,
nmtst_get_rand_bool ());
if (i_run < 1000) {
c = nmtst_get_rand_word_length (NULL);
for (i = 0; i < c; i++)
nm_str_buf_append_c (&strbuf, '0' + (i % 10));
gstr = g_string_new (nm_str_buf_get_str (&strbuf));
j = nmtst_get_rand_uint32 () % (strbuf.len + 1);
k = nmtst_get_rand_uint32 () % (strbuf.len - j + 2) - 1;
nm_str_buf_erase (&strbuf, j, k, nmtst_get_rand_bool ());
g_string_erase (gstr, j, k);
g_assert_cmpstr (gstr->str, ==, nm_str_buf_get_str (&strbuf));
} else
return;
}
}
/*****************************************************************************/
NMTST_DEFINE ();
int main (int argc, char **argv)
{
nmtst_init (&argc, &argv, TRUE);
g_test_add_func ("/general/test_gpid", test_gpid);
g_test_add_func ("/general/test_monotonic_timestamp", test_monotonic_timestamp);
g_test_add_func ("/general/test_nmhash", test_nmhash);
g_test_add_func ("/general/test_nm_make_strv", test_make_strv);
g_test_add_func ("/general/test_nm_strdup_int", test_nm_strdup_int);
g_test_add_func ("/general/test_nm_strndup_a", test_nm_strndup_a);
g_test_add_func ("/general/test_nm_ip4_addr_is_localhost", test_nm_ip4_addr_is_localhost);
g_test_add_func ("/general/test_unaligned", test_unaligned);
g_test_add_func ("/general/test_strv_cmp", test_strv_cmp);
g_test_add_func ("/general/test_strstrip_avoid_copy", test_strstrip_avoid_copy);
g_test_add_func ("/general/test_nm_utils_bin2hexstr", test_nm_utils_bin2hexstr);
g_test_add_func ("/general/test_nm_ref_string", test_nm_ref_string);
g_test_add_func ("/general/test_string_table_lookup", test_string_table_lookup);
g_test_add_func ("/general/test_nm_utils_get_next_realloc_size", test_nm_utils_get_next_realloc_size);
g_test_add_func ("/general/test_nm_str_buf", test_nm_str_buf);
return g_test_run ();
}