diff options
Diffstat (limited to 'tests/test-avl.c')
-rw-r--r-- | tests/test-avl.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/tests/test-avl.c b/tests/test-avl.c new file mode 100644 index 0000000..18ee9b7 --- /dev/null +++ b/tests/test-avl.c @@ -0,0 +1,87 @@ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + +#include "avl.h" +#include "avl-cmp.h" +#include "utils.h" + +#define OUT(fmt, ...) do { \ + fprintf(stdout, "%s: " fmt, __func__, ## __VA_ARGS__); \ +} while (0); + +struct node { + struct avl_node avl; +}; + +static void test_basics() +{ + size_t i; + struct avl_tree t; + struct node *temp; + struct node *elem; + struct node *last; + struct node *first; + const char *vals[] = { + "zero", "one", "two", "three", "four", "five", "six", + "seven", "eight", "nine", "ten", "eleven", "twelve" + }; + + avl_init(&t, avl_strcmp, false, NULL); + + OUT("insert: "); + for (i=0; i<ARRAY_SIZE(vals); i++) { + struct node *n = malloc(sizeof(struct node)); + n->avl.key = vals[i]; + + int r = avl_insert(&t, &n->avl); + fprintf(stdout, "%d=%s ", r, (char *)n->avl.key); + } + fprintf(stdout, "\n"); + + OUT("insert duplicate: "); + for (i=0; i<ARRAY_SIZE(vals); i++) { + struct node *n = malloc(sizeof(struct node)); + n->avl.key = vals[i]; + + int r = avl_insert(&t, &n->avl); + fprintf(stdout, "%d=%s ", r, (char *)n->avl.key); + + if (r) + free(n); + } + fprintf(stdout, "\n"); + + first = avl_first_element(&t, first, avl); + last = avl_last_element(&t, last, avl); + OUT("first=%s last=%s\n", (char*)first->avl.key, (char*)last->avl.key); + + OUT("for each element: "); + avl_for_each_element(&t, elem, avl) { + fprintf(stdout, "%s ", (char*)elem->avl.key); + } + fprintf(stdout, "\n"); + + OUT("delete 'one' element\n"); + elem = avl_find_element(&t, "one", elem, avl); + avl_delete(&t, &elem->avl); + free(elem); + + OUT("for each element reverse: "); + avl_for_each_element_reverse(&t, elem, avl) { + fprintf(stdout, "%s ", (char*)elem->avl.key); + } + fprintf(stdout, "\n"); + + OUT("delete all elements\n"); + avl_for_each_element_safe(&t, elem, avl, temp) { + avl_delete(&t, &elem->avl); + free(elem); + } +} + +int main() +{ + test_basics(); + return 0; +} |