feat: add array_list data structure

fixes #2

test/array_list_test.c

@@ -0,0 +1,42 @@
+#include "array_list_test.h"
+
+#include <assert.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "libcproject.h"
+
+void array_list_test() {
+  struct array_list *list = array_list_initialization();
+  assert(list->size == 0);
+  array_list_add(list, (void *)'a');
+  array_list_add(list, (void *)'b');
+  array_list_add(list, (void *)'c');
+  array_list_add(list, (void *)'d');
+  array_list_add(list, (void *)'e');
+  array_list_add(list, (void *)'f');
+  assert(list->size == 6);
+  assert(array_list_get(list, 0) == (void *)'a');
+  assert(array_list_get(list, 1) == (void *)'b');
+  assert(array_list_get(list, 2) == (void *)'c');
+  assert(array_list_get(list, 3) == (void *)'d');
+  assert(array_list_get(list, 4) == (void *)'e');
+  assert(array_list_get(list, 5) == (void *)'f');
+  array_list_add(list, (void *)'a');
+  assert(array_list_get(list, 6) == (void *)'a');
+  assert(list->size == 7);
+  array_list_remove(list, 6);
+  assert(list->size == 6);
+  assert(array_list_get(list, 6) == NULL);
+
+  for (size_t index = 0; index < 100; index++) {
+    array_list_add(list, (void *)index);
+  }
+  assert(list->size == 106);
+  assert(array_list_get(list, 100) == (void *)94);
+  assert(array_list_get(list, 101) == (void *)95);
+  array_list_remove(list, 100);
+  assert(list->size == 105);
+  assert(array_list_get(list, 100) == (void *)95);
+}

test/array_list_test.h

@@ -0,0 +1,6 @@
+#ifndef __ARRAY_LIST_TEST__
+#define __ARRAY_LIST_TEST__
+
+void array_list_test();
+
+#endif

test/main.c

@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "array_list_test.h"
 #include "character_test.h"
 #include "convert_test.h"
 #include "dictionary_test.h"
@@ -11,6 +12,7 @@
 #include "string_test.h"
 
 int main() {
+  array_list_test();
   character_test();
   convert_test();
   dictionary_test();