libflint/tests/tests.c

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#include <stdio.h>
#include <stdlib.h>
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#include <assert.h>
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#include "linkedlist.h"
#include "set.h"
#include "stack.h"
#include "binarytree.h"
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#include "vector.h"
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#include "math.h"
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void print_ll(List *list) {
LL_ITER(list) {
printf(" %d", *((int *) node->data));
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}
printf("\n");
}
void test_ll() {
printf("\n--- LIST TEST ---\n");
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List *list = malloc(sizeof(List));
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ll_init(list, NULL);
int i = 1;
int j = 2;
int k = 4;
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ll_ins_next(list, list->head, (void *) &i);
ll_ins_next(list, list->tail, (void *) &j);
ll_ins_next(list, list->tail, (void *) &k);
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printf("List: ");
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print_ll(list);
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void *data;
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ll_remove_next(list, list->head, &data);
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printf("List: ");
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print_ll(list);
assert(*(int*)data == 2);
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printf("Removed: %d\n", *((int *) data));
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ll_destroy(list);
free(list);
}
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int int_match(const void *a, const void *b) {
return *((int *) a) == *((int *) b);
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}
void test_set() {
printf("\n--- SET TEST ---\n");
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Set *set = malloc(sizeof(Set));
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set_init(set, int_match, NULL);
int i = 1;
int j = 2;
int k = 2;
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set_insert(set, (void *) &i);
set_insert(set, (void *) &j);
set_insert(set, (void *) &k);
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int i2 = 1;
int j2 = 4;
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Set *set2 = malloc(sizeof(Set));
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set_init(set2, int_match, NULL);
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set_insert(set2, (void *) &i2);
set_insert(set2, (void *) &j2);
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printf("Set 1:");
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print_ll(set);
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printf("Set 2:");
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print_ll(set2);
printf("\n");
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Set *set_u = malloc(sizeof(Set));
Set *set_i = malloc(sizeof(Set));
Set *set_d = malloc(sizeof(Set));
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set_union(set_u, set, set2);
printf("Union:");
print_ll(set_u);
set_difference(set_d, set, set2);
printf("Difference:");
print_ll(set_d);
set_intersection(set_i, set, set2);
printf("Intersection:");
print_ll(set_i);
set_destroy(set);
set_destroy(set2);
set_destroy(set_u);
set_destroy(set_i);
set_destroy(set_d);
free(set);
free(set2);
free(set_u);
free(set_i);
free(set_d);
}
void test_stack() {
printf("\n--- STACK TEST ---\n");
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Stack *stack = malloc(sizeof(Stack));
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stack_init(stack, NULL);
int a = 1, b = 2;
stack_push(stack, &a);
stack_push(stack, &b);
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printf("Stack size: %lu\n", stack->size);
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int *p = NULL;
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stack_pop(stack, (void **) &p);
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printf("b = %d\n", *p);
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stack_pop(stack, (void **) &p);
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printf("a = %d\n", *p);
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printf("Stack size: %lu\n", stack->size);
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stack_destroy(stack);
free(stack);
stack = NULL;
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}
void test_bintree() {
printf("\n--- BINARY TREE TEST ---\n");
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BinTree *tree = malloc(sizeof(BinTree));
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bintree_init(tree, NULL);
int root = 0;
int l1 = 1;
int l2 = 2;
int r1 = 12;
int r2 = 200;
bintree_ins_left(tree, NULL, &root);
bintree_ins_left(tree, tree->root, &l1);
bintree_ins_left(tree, tree->root->left, &l2);
bintree_ins_right(tree, tree->root->left, &r2);
bintree_ins_right(tree, tree->root, &r1);
bintree_ins_right(tree, tree->root->right, &r2);
bintree_ins_left(tree, tree->root->right, &l1);
bintree_debug_print(tree);
printf("Changing r2\n");
r2 = 100;
bintree_debug_print(tree);
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bintree_destroy(tree);
free(tree);
tree = NULL;
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}
void test_math() {
printf("\n--- MATH TEST ---\n");
int i = 1, j = 2;
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assert(max_int(i, j) == j);
printf("Between %d and %d, %d is larger\n", i, j, max_int(i, j));
printf("Between %d and %d, %d is smaller\n", i, j, min_int(i, j));
char *s = "10101101";
printf("Binary: %s\n", s);
printf("Decimal: %d\n", binstr_to_int(s));
char *s2 = "1010_1101";
printf("Binary: %s\n", s2);
printf("Decimal: %d\n", binstr_to_int(s2));
printf("\nGenerate line from 0,0 to 2,5\n");
size_t sz = 0;
Point *line = bresenham(0, 0, 2, 5, &sz);
for (size_t idx = 0; idx < sz; idx++) {
printf("%d,%d ", line[idx].x, line[idx].y);
}
printf("\n");
free(line);
}
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void print_vector(Vector *vec) {
for (size_t i = 0; i < vec->length; ++i) {
int t = *(int*)vec_at(vec, i);
printf("%d ", t);
}
printf("\n");
}
void test_vector() {
printf("\n--- VECTOR TEST ---\n");
Vector *v = malloc(sizeof(Vector));
vec_init(v, NULL);
int e0 = 0;
int e1 = 1;
int e2 = 2;
int e3 = 3;
int e4 = 4;
vec_push(v, &e0);
assert(v->length == 1);
int *t = (int*)vec_at(v, 0);
assert(*t == 0);
vec_push(v, &e1);
vec_push(v, &e2);
assert(v->length == 3);
// test access outside bounds
t = (int*)vec_safe_at(v, 3);
assert(t == NULL);
printf("Before insert: ");
print_vector(v);
vec_push(v, &e4);
vec_insert(v, &e3, 3);
printf("After insert: ");
print_vector(v);
t = (int*)vec_at(v, 3);
assert(*t == e3);
t = (int*)vec_at(v, 4);
assert(*t == e4);
t = (int*)vec_remove(v, 1);
assert(t != NULL);
assert(*t == 1);
printf("After removal: ");
print_vector(v);
t = (int*)vec_remove(v, 10);
assert(t == NULL);
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printf("\ncap before shrink: %zu\n", vec_cap(v));
vec_shrink(v);
assert(vec_len(v) == vec_cap(v));
printf("cap after shrink: %zu\n", vec_cap(v));
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vec_destroy(v);
free(v);
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}
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int main() {
test_ll();
test_set();
test_stack();
test_bintree();
test_math();
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test_vector();
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return 0;
}