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array: Add array_bsearch function

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This commit is contained in:
Tobias Brunner
2014-02-12 14:34:33 +01:00
parent 132b00ce02
commit 79962d9e99
3 changed files with 141 additions and 0 deletions
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src/libstrongswan/tests/suites/test_array.c
+66
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@@ -359,6 +359,67 @@ START_TEST(test_sort_ptr)
}
END_TEST
static int comp_search_obj(const void *a, const void *b)
{
return *(int*)a - *(int*)b;
}
START_TEST(test_bsearch_obj)
{
array_t *array;
int x[] = { 3, 2, 1 };
int k, v;
array = array_create(sizeof(x[0]), 0);
array_insert(array, ARRAY_TAIL, &x[0]);
array_insert(array, ARRAY_TAIL, &x[1]);
array_insert(array, ARRAY_TAIL, &x[2]);
array_sort(array, (void*)comp_search_obj, NULL);
k = 0;
ck_assert_int_eq(array_bsearch(array, &k, comp_search_obj, &v), -1);
for (k = 1; k < 4; k++)
{
ck_assert_int_eq(array_bsearch(array, &k, comp_search_obj, &v), k-1);
ck_assert_int_eq(v, k);
}
k = 4;
ck_assert_int_eq(array_bsearch(array, &k, comp_search_obj, &v), -1);
array_destroy(array);
}
END_TEST
static int comp_search_ptr(const void *a, const void *b)
{
return strcmp(a, b);
}
START_TEST(test_bsearch_ptr)
{
array_t *array;
char *x[] = {"c", "b", "a"};
char *v;
array = array_create(0, 0);
array_insert(array, ARRAY_TAIL, x[0]);
array_insert(array, ARRAY_TAIL, x[1]);
array_insert(array, ARRAY_TAIL, x[2]);
array_sort(array, (void*)comp_search_ptr, NULL);
ck_assert_int_eq(array_bsearch(array, "abc", comp_search_ptr, &v), -1);
ck_assert_int_eq(array_bsearch(array, "a", comp_search_ptr, &v), 0);
ck_assert_str_eq(v, "a");
ck_assert_int_eq(array_bsearch(array, "b", comp_search_ptr, &v), 1);
ck_assert_str_eq(v, "b");
ck_assert_int_eq(array_bsearch(array, "c", comp_search_ptr, &v), 2);
ck_assert_str_eq(v, "c");
array_destroy(array);
}
END_TEST
static void invoke(void *data, int idx, void *user)
{
int *y = user, *x = data;
@@ -454,6 +515,11 @@ Suite *array_suite_create()
tcase_add_test(tc, test_sort_ptr);
suite_add_tcase(s, tc);
tc = tcase_create("bsearch");
tcase_add_test(tc, test_bsearch_obj);
tcase_add_test(tc, test_bsearch_ptr);
suite_add_tcase(s, tc);
tc = tcase_create("invoke");
tcase_add_test(tc, test_invoke);
suite_add_tcase(s, tc);