Add debugging sanity checks.

Hashtable.c

@@ -46,6 +46,19 @@ bool Hashtable_isConsistent(Hashtable* this) {
    return items == this->items;
 }
 
+int Hashtable_count(Hashtable* this) {
+   int items = 0;
+   for (int i = 0; i < this->size; i++) {
+      HashtableItem* bucket = this->buckets[i];
+      while (bucket) {
+         items++;
+         bucket = bucket->next;
+      }
+   }
+   assert(items == this->items);
+   return items;
+}
+
 #endif
 
 HashtableItem* HashtableItem_new(int key, void* value) {

Hashtable.h

@@ -12,6 +12,7 @@ in the source distribution for its full text.
 
 #include <stdlib.h>
 #include <stdbool.h>
+#include <assert.h>
 
 #include "debug.h"
 
@@ -32,6 +33,14 @@ struct Hashtable_ {
    bool owner;
 };
 
+#ifdef DEBUG
+
+bool Hashtable_isConsistent(Hashtable* this);
+
+int Hashtable_count(Hashtable* this);
+
+#endif
+
 HashtableItem* HashtableItem_new(int key, void* value);
 
 Hashtable* Hashtable_new(int size, bool owner);
@@ -43,7 +52,7 @@ inline int Hashtable_size(Hashtable* this);
 void Hashtable_put(Hashtable* this, int key, void* value);
 
 void* Hashtable_remove(Hashtable* this, int key);
-//#include <stdio.h>
+
 inline void* Hashtable_get(Hashtable* this, int key);
 
 void Hashtable_foreach(Hashtable* this, Hashtable_PairFunction f, void* userData);

Vector.c

@@ -74,6 +74,16 @@ static inline bool Vector_isConsistent(Vector* this) {
    }
 }
 
+int Vector_count(Vector* this) {
+   int items = 0;
+   for (int i = 0; i < this->items; i++) {
+      if (this->array[i])
+         items++;
+   }
+   assert(items == this->items);
+   return items;
+}
+
 #endif
 
 void Vector_prune(Vector* this) {
@@ -223,8 +233,9 @@ void Vector_add(Vector* this, void* data_) {
    assert(data_ && ((Object*)data_)->class == this->vectorType);
    Object* data = data_;
    assert(Vector_isConsistent(this));
-
+   int i = this->items;
    Vector_set(this, this->items, data);
+   assert(this->items == i+1); (void)(i);
    assert(Vector_isConsistent(this));
 }
 

Vector.h

@@ -41,6 +41,8 @@ void Vector_delete(Vector* this);
 
 #ifdef DEBUG
 
+int Vector_count(Vector* this);
+
 #endif
 
 void Vector_prune(Vector* this);