Fixed non-memory related failing tests

ev_vec.h

@@ -34,6 +34,14 @@
 #define EV_VEC_GROWTH_RATE 3 / 2
 #endif
 
+
+#ifndef EV_VEC_MIN_CAPACITY 
+/*!
+ * \brief Minimum capacity used by vector when growing
+ */
+#define EV_VEC_MIN_CAPACITY 4
+#endif
+
 #if EV_CC_MSVC
 # define __EV_VEC_EMPTY_ARRAY { 0 }
 #else
@@ -304,6 +312,10 @@ ev_vec_dup(
  * vector, then this function is used. Otherwise, memcpy is used with a length 
  * of `vec_meta.elemsize`
  *
+ * \warning Having a free_fn defined for the elemtype but no copy_fn could have some
+ * unwanted side effects as the free function will be called on the popped element
+ * after copying it to `out`
+ *
  * \param vec_p Reference to the vector object
  * \param out A pointer to the memory block at which the popped element will be
  * copied. If NULL is passed, then the element is destructed. Otherwise, the
@@ -719,6 +731,9 @@ ev_vec_setlen(
   ev_vec_t* v = (ev_vec_t*)vec_p;
   __ev_vec_getmeta(*v)
 
+  while(metadata->length > len)
+    ev_vec_pop(vec_p, NULL);
+
   while(len > metadata->capacity) {
     ev_vec_error_t grow_err = ev_vec_grow(v);
     if(grow_err) {
@@ -747,6 +762,10 @@ ev_vec_setcapacity(
     return EV_VEC_ERR_NONE;
   }
 
+  if(metadata->length > cap) {
+    ev_vec_setlen(vec_p, cap);
+  }
+
   void *buf = ((char *)(*v) - sizeof(struct ev_vec_meta_t));
   void *tmp = realloc(buf, sizeof(struct ev_vec_meta_t) + (cap * metadata->typeData.size));
 
@@ -770,7 +789,8 @@ ev_vec_grow(
 {
   ev_vec_t* v = (ev_vec_t*)vec_p;
   __ev_vec_getmeta(*v)
-  return ev_vec_setcapacity(v, metadata->capacity * EV_VEC_GROWTH_RATE);
+  u64 new_cap = max(EV_VEC_MIN_CAPACITY, metadata->capacity * EV_VEC_GROWTH_RATE);
+  return ev_vec_setcapacity(v, new_cap);
 }
 
 #endif