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linked-list: Add method to compare two lists of objects for equality

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This commit is contained in:
Tobias Brunner
2016-03-08 10:21:57 +01:00
parent 229cdf6bc8
commit 348b0ffbc6
3 changed files with 166 additions and 2 deletions
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src/libstrongswan/tests/suites/test_linked_list.c
+91
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@@ -348,6 +348,91 @@ START_TEST(test_clone_offset)
}
END_TEST
/*******************************************************************************
* equals
*/
typedef struct equals_t equals_t;
struct equals_t {
int val;
bool (*equals)(equals_t *a, equals_t *b);
};
static bool equalsfn(equals_t *a, equals_t *b)
{
return a->val == b->val;
}
START_TEST(test_equals_offset)
{
linked_list_t *other;
equals_t *x, items[] = {
{ .val = 1, .equals = equalsfn, },
{ .val = 2, .equals = equalsfn, },
{ .val = 3, .equals = equalsfn, },
{ .val = 4, .equals = equalsfn, },
{ .val = 5, .equals = equalsfn, },
};
int i;
for (i = 0; i < countof(items); i++)
{
list->insert_last(list, &items[i]);
}
ck_assert(list->equals_offset(list, list, offsetof(equals_t, equals)));
other = linked_list_create_from_enumerator(list->create_enumerator(list));
ck_assert(list->equals_offset(list, other, offsetof(equals_t, equals)));
other->remove_last(other, (void**)&x);
ck_assert(!list->equals_offset(list, other, offsetof(equals_t, equals)));
list->remove_last(list, (void**)&x);
ck_assert(list->equals_offset(list, other, offsetof(equals_t, equals)));
other->remove_first(other, (void**)&x);
ck_assert(!list->equals_offset(list, other, offsetof(equals_t, equals)));
list->remove_first(list, (void**)&x);
ck_assert(list->equals_offset(list, other, offsetof(equals_t, equals)));
while (list->remove_first(list, (void**)&x) == SUCCESS);
while (other->remove_first(other, (void**)&x) == SUCCESS);
ck_assert(list->equals_offset(list, other, offsetof(equals_t, equals)));
other->destroy(other);
}
END_TEST
START_TEST(test_equals_function)
{
linked_list_t *other;
equals_t *x, items[] = {
{ .val = 1, },
{ .val = 2, },
{ .val = 3, },
{ .val = 4, },
{ .val = 5, },
};
int i;
for (i = 0; i < countof(items); i++)
{
list->insert_last(list, &items[i]);
}
ck_assert(list->equals_function(list, list, (void*)equalsfn));
other = linked_list_create_from_enumerator(list->create_enumerator(list));
ck_assert(list->equals_function(list, other, (void*)equalsfn));
other->remove_last(other, (void**)&x);
ck_assert(!list->equals_function(list, other, (void*)equalsfn));
list->remove_last(list, (void**)&x);
ck_assert(list->equals_function(list, other, (void*)equalsfn));
other->remove_first(other, (void**)&x);
ck_assert(!list->equals_function(list, other, (void*)equalsfn));
list->remove_first(list, (void**)&x);
ck_assert(list->equals_function(list, other, (void*)equalsfn));
while (list->remove_first(list, (void**)&x) == SUCCESS);
while (other->remove_first(other, (void**)&x) == SUCCESS);
ck_assert(list->equals_function(list, other, (void*)equalsfn));
other->destroy(other);
}
END_TEST
Suite *linked_list_suite_create()
{
Suite *s;
@@ -386,5 +471,11 @@ Suite *linked_list_suite_create()
tcase_add_test(tc, test_clone_offset);
suite_add_tcase(s, tc);
tc = tcase_create("equals");
tcase_add_checked_fixture(tc, setup_list, teardown_list);
tcase_add_test(tc, test_equals_offset);
tcase_add_test(tc, test_equals_function);
suite_add_tcase(s, tc);
return s;
}