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shared: add test for NM_SET_OUT()

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This commit is contained in:
Thomas Haller 2016-09-26 16:59:30 +02:00
parent d27ae4a8fe
commit ee86069601
2 changed files with 36 additions and 0 deletions
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31
libnm-core/tests/test-general.c
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@ -5399,6 +5399,36 @@ test_nm_in_strset (void)
/******************************************************************************/
static gboolean
do_test_nm_set_out_called (gint *call_count)
{
(*call_count)++;
return TRUE;
}
static void
test_nm_set_out (void)
{
gboolean val;
gboolean *p_val;
int call_count;
/* NM_SET_OUT() has an unexpected non-function like behavior
* wrt. side-effects of the value argument. Test it */
p_val = &val;
call_count = 0;
NM_SET_OUT (p_val, do_test_nm_set_out_called (&call_count));
g_assert_cmpint (call_count, ==, 1);
p_val = NULL;
call_count = 0;
NM_SET_OUT (p_val, do_test_nm_set_out_called (&call_count));
g_assert_cmpint (call_count, ==, 0);
}
/******************************************************************************/
NMTST_DEFINE ();
int main (int argc, char **argv)
@ -5521,6 +5551,7 @@ int main (int argc, char **argv)
g_test_add_func ("/core/general/_nm_utils_validate_json", test_nm_utils_check_valid_json);
g_test_add_func ("/core/general/_nm_utils_team_config_equal", test_nm_utils_team_config_equal);
g_test_add_func ("/core/general/test_nm_utils_enum", test_nm_utils_enum);
g_test_add_func ("/core/general/nm-set-out", test_nm_set_out);
return g_test_run ();
}

5
shared/nm-utils/nm-macros-internal.h
View file

@ -164,6 +164,11 @@ NM_G_ERROR_MSG (GError *error)
/* macro to return strlen() of a compile time string. */
#define NM_STRLEN(str) ( sizeof ("" str) - 1 )
/* Note: @value is only evaluated when *out_val is present.
* Thus,
* NM_SET_OUT (out_str, g_strdup ("hallo"));
* does the right thing.
*/
#define NM_SET_OUT(out_val, value) \
G_STMT_START { \
typeof(*(out_val)) *_out_val = (out_val); \