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|
#include "doubly_linked_list.h"
#include <cgreen/cgreen.h>
Describe(DoublyLinkedList);
BeforeEach(DoublyLinkedList) {}
AfterEach(DoublyLinkedList) {}
Ensure(DoublyLinkedList, when_getting_head) {
Node *head = initialize(100);
assert_that(get(head, 0), is_equal_to(head));
free(head);
}
Ensure(DoublyLinkedList, when_getting_mid) {
Node *head = initialize(100);
Node *mid = add(head, 200);
add(head, 300);
assert_that(get(head, 1), is_equal_to(mid));
assert_that(get(head, 1)->data, is_equal_to(200));
free(head);
}
Ensure(DoublyLinkedList, when_getting_tail) {
Node *head = initialize(100);
add(head, 200);
Node *tail = add(head, 300);
assert_that(get(head, 2), is_equal_to(tail));
free(head);
}
Ensure(DoublyLinkedList, when_getting_from_empty_list) {
assert_that(get(NULL, 2), is_equal_to(NULL));
}
Ensure(DoublyLinkedList, when_getting_negative_index) {
Node *head = initialize(100);
assert_that(get(head, -1), is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_getting_index_out_of_range) {
Node *head = initialize(100);
assert_that(get(head, 1), is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_head_with_non_adjacent_node) {
Node *head = initialize(100);
Node *mid1 = add(head, 200);
Node *mid2 = add(head, 300);
Node *tail = add(head, 400);
swap(head, mid2);
assert_that(head->prev, is_equal_to(mid1));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(tail));
assert_that(mid1->prev, is_equal_to(mid2));
assert_that(mid1->data, is_equal_to(200));
assert_that(mid1->next, is_equal_to(head));
assert_that(mid2->prev, is_equal_to(NULL));
assert_that(mid2->data, is_equal_to(300));
assert_that(mid2->next, is_equal_to(mid1));
assert_that(tail->prev, is_equal_to(head));
assert_that(tail->data, is_equal_to(400));
assert_that(tail->next, is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_head_with_non_adjacent_node_inverted) {
Node *head = initialize(100);
Node *mid1 = add(head, 200);
Node *mid2 = add(head, 300);
Node *tail = add(head, 400);
swap(mid2, head);
assert_that(head->prev, is_equal_to(mid1));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(tail));
assert_that(mid1->prev, is_equal_to(mid2));
assert_that(mid1->data, is_equal_to(200));
assert_that(mid1->next, is_equal_to(head));
assert_that(mid2->prev, is_equal_to(NULL));
assert_that(mid2->data, is_equal_to(300));
assert_that(mid2->next, is_equal_to(mid1));
assert_that(tail->prev, is_equal_to(head));
assert_that(tail->data, is_equal_to(400));
assert_that(tail->next, is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_head_adjacent) {
Node *head = initialize(100);
Node *mid = add(head, 200);
Node *tail = add(head, 300);
swap(head, mid);
assert_that(head->prev, is_equal_to(mid));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(tail));
assert_that(mid->prev, is_equal_to(NULL));
assert_that(mid->data, is_equal_to(200));
assert_that(mid->next, is_equal_to(head));
assert_that(tail->prev, is_equal_to(head));
assert_that(tail->data, is_equal_to(300));
assert_that(tail->next, is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_head_adjacent_inverted) {
Node *head = initialize(100);
Node *mid = add(head, 200);
Node *tail = add(head, 300);
swap(mid, head);
assert_that(head->prev, is_equal_to(mid));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(tail));
assert_that(mid->prev, is_equal_to(NULL));
assert_that(mid->data, is_equal_to(200));
assert_that(mid->next, is_equal_to(head));
assert_that(tail->prev, is_equal_to(head));
assert_that(tail->data, is_equal_to(300));
assert_that(tail->next, is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_mid) {
Node *head = initialize(100);
Node *mid1 = add(head, 200);
Node *mid2 = add(head, 300);
Node *mid3 = add(head, 400);
Node *tail = add(head, 500);
swap(mid1, mid3);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(mid3));
assert_that(mid1->prev, is_equal_to(mid2));
assert_that(mid1->data, is_equal_to(200));
assert_that(mid1->next, is_equal_to(tail));
assert_that(mid2->prev, is_equal_to(mid3));
assert_that(mid2->data, is_equal_to(300));
assert_that(mid2->next, is_equal_to(mid1));
assert_that(mid3->prev, is_equal_to(head));
assert_that(mid3->data, is_equal_to(400));
assert_that(mid3->next, is_equal_to(mid2));
assert_that(tail->prev, is_equal_to(mid1));
assert_that(tail->data, is_equal_to(500));
assert_that(tail->next, is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_y_mid) {
Node *head = initialize(100);
Node *mid1 = add(head, 200);
Node *mid2 = add(head, 300);
Node *mid3 = add(head, 400);
Node *tail = add(head, 500);
swap(mid3, mid1);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(mid3));
assert_that(mid1->prev, is_equal_to(mid2));
assert_that(mid1->data, is_equal_to(200));
assert_that(mid1->next, is_equal_to(tail));
assert_that(mid2->prev, is_equal_to(mid3));
assert_that(mid2->data, is_equal_to(300));
assert_that(mid2->next, is_equal_to(mid1));
assert_that(mid3->prev, is_equal_to(head));
assert_that(mid3->data, is_equal_to(400));
assert_that(mid3->next, is_equal_to(mid2));
assert_that(tail->prev, is_equal_to(mid1));
assert_that(tail->data, is_equal_to(500));
assert_that(tail->next, is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_mid_adjacent) {
Node *head = initialize(100);
Node *mid1 = add(head, 200);
Node *mid2 = add(head, 300);
Node *tail = add(head, 400);
swap(mid1, mid2);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(mid2));
assert_that(mid1->prev, is_equal_to(mid2));
assert_that(mid1->data, is_equal_to(200));
assert_that(mid1->next, is_equal_to(tail));
assert_that(mid2->prev, is_equal_to(head));
assert_that(mid2->data, is_equal_to(300));
assert_that(mid2->next, is_equal_to(mid1));
assert_that(tail->prev, is_equal_to(mid1));
assert_that(tail->data, is_equal_to(400));
assert_that(tail->next, is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_mid_adjacent_y) {
Node *head = initialize(100);
Node *mid1 = add(head, 200);
Node *mid2 = add(head, 300);
Node *tail = add(head, 400);
swap(mid2, mid1);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(mid2));
assert_that(mid1->prev, is_equal_to(mid2));
assert_that(mid1->data, is_equal_to(200));
assert_that(mid1->next, is_equal_to(tail));
assert_that(mid2->prev, is_equal_to(head));
assert_that(mid2->data, is_equal_to(300));
assert_that(mid2->next, is_equal_to(mid1));
assert_that(tail->prev, is_equal_to(mid1));
assert_that(tail->data, is_equal_to(400));
assert_that(tail->next, is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_tail_adjacent) {
Node *head = initialize(100);
Node *mid = add(head, 200);
Node *tail = add(head, 300);
swap(mid, tail);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(tail));
assert_that(mid->prev, is_equal_to(tail));
assert_that(mid->data, is_equal_to(200));
assert_that(mid->next, is_equal_to(NULL));
assert_that(tail->prev, is_equal_to(head));
assert_that(tail->data, is_equal_to(300));
assert_that(tail->next, is_equal_to(mid));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_tail_adjacent_inverted) {
Node *head = initialize(100);
Node *mid = add(head, 200);
Node *tail = add(head, 300);
swap(tail, mid);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(tail));
assert_that(mid->prev, is_equal_to(tail));
assert_that(mid->data, is_equal_to(200));
assert_that(mid->next, is_equal_to(NULL));
assert_that(tail->prev, is_equal_to(head));
assert_that(tail->data, is_equal_to(300));
assert_that(tail->next, is_equal_to(mid));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_tail_with_non_adjacent_node) {
Node *head = initialize(100);
Node *mid1 = add(head, 200);
Node *mid2 = add(head, 300);
Node *tail = add(head, 400);
swap(mid1, tail);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(tail));
assert_that(mid1->prev, is_equal_to(mid2));
assert_that(mid1->data, is_equal_to(200));
assert_that(mid1->next, is_equal_to(NULL));
assert_that(mid2->prev, is_equal_to(tail));
assert_that(mid2->data, is_equal_to(300));
assert_that(mid2->next, is_equal_to(mid1));
assert_that(tail->prev, is_equal_to(head));
assert_that(tail->data, is_equal_to(400));
assert_that(tail->next, is_equal_to(mid2));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_tail_with_non_adjacent_node_inverted) {
Node *head = initialize(100);
Node *mid1 = add(head, 200);
Node *mid2 = add(head, 300);
Node *tail = add(head, 400);
swap(tail, mid1);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(tail));
assert_that(mid1->prev, is_equal_to(mid2));
assert_that(mid1->data, is_equal_to(200));
assert_that(mid1->next, is_equal_to(NULL));
assert_that(mid2->prev, is_equal_to(tail));
assert_that(mid2->data, is_equal_to(300));
assert_that(mid2->next, is_equal_to(mid1));
assert_that(tail->prev, is_equal_to(head));
assert_that(tail->data, is_equal_to(400));
assert_that(tail->next, is_equal_to(mid2));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_with_NULL) {
Node *head = initialize(100);
Node *mid = add(head, 200);
Node *tail = add(head, 300);
swap(mid, NULL);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
assert_that(head->next, is_equal_to(mid));
assert_that(mid->prev, is_equal_to(head));
assert_that(mid->data, is_equal_to(200));
assert_that(mid->next, is_equal_to(tail));
assert_that(tail->prev, is_equal_to(mid));
assert_that(tail->data, is_equal_to(300));
assert_that(tail->next, is_equal_to(NULL));
free(head);
}
Ensure(DoublyLinkedList, when_swapping_self) {
Node *head = initialize(100);
Node *mid = add(head, 200);
Node *tail = add(head, 300);
swap(mid, mid);
assert_that(head->prev, is_equal_to(NULL));
assert_that(head->data, is_equal_to(100));
free(head);
}
TestSuite *swap_doubly_linked_list_tests() {
TestSuite *suite = create_test_suite();
add_test_with_context(suite, DoublyLinkedList, when_getting_head);
add_test_with_context(suite, DoublyLinkedList, when_getting_mid);
add_test_with_context(suite, DoublyLinkedList, when_getting_tail);
add_test_with_context(suite, DoublyLinkedList, when_getting_from_empty_list);
add_test_with_context(suite, DoublyLinkedList, when_getting_negative_index);
add_test_with_context(suite, DoublyLinkedList,
when_getting_index_out_of_range);
add_test_with_context(suite, DoublyLinkedList, when_swapping_head_adjacent);
add_test_with_context(suite, DoublyLinkedList,
when_swapping_head_adjacent_inverted);
add_test_with_context(suite, DoublyLinkedList,
when_swapping_head_with_non_adjacent_node);
add_test_with_context(suite, DoublyLinkedList,
when_swapping_head_with_non_adjacent_node_inverted);
add_test_with_context(suite, DoublyLinkedList, when_swapping_mid);
add_test_with_context(suite, DoublyLinkedList, when_swapping_y_mid);
add_test_with_context(suite, DoublyLinkedList, when_swapping_mid_adjacent);
add_test_with_context(suite, DoublyLinkedList, when_swapping_mid_adjacent_y);
add_test_with_context(suite, DoublyLinkedList, when_swapping_tail_adjacent);
add_test_with_context(suite, DoublyLinkedList,
when_swapping_tail_adjacent_inverted);
add_test_with_context(suite, DoublyLinkedList,
when_swapping_tail_with_non_adjacent_node);
add_test_with_context(suite, DoublyLinkedList,
when_swapping_tail_with_non_adjacent_node_inverted);
add_test_with_context(suite, DoublyLinkedList, when_swapping_with_NULL);
add_test_with_context(suite, DoublyLinkedList, when_swapping_self);
return suite;
}
int main(int argc, char **argv) {
TestSuite *suite = create_test_suite();
add_suite(suite, swap_doubly_linked_list_tests());
return run_test_suite(suite, create_text_reporter());
}
|
