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#include "list.h"
#include <cgreen/cgreen.h>
Describe(List);
BeforeEach(List) {}
AfterEach(List) {}
Ensure(List, when_getting_head) {
List *head = list_initialize((void *)100);
assert_that(list_get(head, 0), is_equal_to(head));
assert_that(list_get(head, 0)->data, is_equal_to(100));
free(head);
}
Ensure(List, when_getting_mid) {
List *head = list_initialize((void *)100);
List *mid = list_add(head, (void *)200);
list_add(head, (void *)300);
assert_that(list_get(head, 1), is_equal_to(mid));
assert_that(list_get(head, 1)->data, is_equal_to(200));
free(head);
}
Ensure(List, when_getting_tail) {
List *head = list_initialize((void *)100);
List *mid = list_add(head, (void *)200);
List *tail = list_add(head, (void *)300);
assert_that(list_get(head, 0), is_equal_to(head));
assert_that(list_get(head, 0)->data, is_equal_to(100));
assert_that(list_get(head, 1), is_equal_to(mid));
assert_that(list_get(head, 1)->data, is_equal_to(200));
assert_that(list_get(head, 2), is_equal_to(tail));
assert_that(list_get(head, 2)->data, is_equal_to(300));
free(head);
}
Ensure(List, when_getting_from_empty_list) {
assert_that(list_get(NULL, 2), is_equal_to(NULL));
}
Ensure(List, when_getting_negative_index) {
List *head = list_initialize((void *)100);
assert_that(list_get(head, -1), is_equal_to(NULL));
free(head);
}
Ensure(List, when_getting_index_out_of_range) {
List *head = list_initialize((void *)100);
assert_that(list_get(head, 1), is_equal_to(NULL));
free(head);
}
struct Person {
int age;
};
Ensure(List, when_adding_a_custom_datatype) {
struct Person *item = malloc(sizeof(struct Person));
item->age = 36;
List *head = list_initialize((void *)item);
List *result = list_get(head, 0);
assert_that(result, is_equal_to(head));
struct Person *p = (struct Person *)result->data;
assert_that(p->age, is_equal_to(36));
}
TestSuite *list_tests() {
TestSuite *suite = create_test_suite();
add_test_with_context(suite, List, when_getting_head);
add_test_with_context(suite, List, when_getting_mid);
add_test_with_context(suite, List, when_getting_tail);
add_test_with_context(suite, List, when_getting_from_empty_list);
add_test_with_context(suite, List, when_getting_negative_index);
add_test_with_context(suite, List, when_getting_index_out_of_range);
add_test_with_context(suite, List, when_adding_a_custom_datatype);
return suite;
}
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