add missing free in transaction test; things are broken

src/allocator.rs

@@ -421,8 +421,6 @@ impl SlabListPointer {
 
         let this = self.read_header(db);
 
-        dbg!(&this);
-
         let capacity = this.capacity();
         let SlabListHeader { mut next, len, .. } = this;
 

src/lib.rs

@@ -860,7 +860,9 @@ mod tests {
                 };
 
                 let next = if n >= 5 {
-                    transaction.read(data.list).next
+                    let next = transaction.read(data.list).next;
+                    transaction.free(data.list);
+                    next
                 } else {
                     data.list
                 };

src/transaction.rs

@@ -137,8 +137,8 @@ impl<'t, R> TransactionHandle<'t, R> {
         }
     }
 
-    pub fn free<T>(&mut self, at: RawFilePointer) {
+    pub fn free<T>(&mut self, at: FilePointer<T>) {
-        self.free_range(at.range(size_of::<T>() as u64))
+        self.free_range(at.range())
     }
 
     pub fn free_range(&mut self, range: FileRange) {