Bug fixed for buyitem, check added "qty will not decrement beyond zero"

diff --git a/Robust/src/Tests/Inventory.java b/Robust/src/Tests/Inventory.java
index 8c3103e8022bf6b9f4aa3f939b50b944ed2e80d5..cf4938e2f46eb7486be1e34958f69cbb71569976 100644 (file)
--- a/Robust/src/Tests/Inventory.java
+++ b/Robust/src/Tests/Inventory.java
@@ -20,19 +20,10 @@ public class Inventory {
        // Add item to a list of inventory
        public int additem(String name, int quantity, int price){
                ItemInfo newitem = new ItemInfo(quantity, price);
-               //System.printString("DEBUG -> Inside add item method ");
-               
                // Get the item from hash
                if (map.containsKey(name) == false) {
-                       //System.printString("DEBUG -> Inside if of addmethod");
-//                     if (map.size() > numitems) {
-//                             System.printString("Error - Items overflow");
-//                             return -1;
-//                     }
                        map.put(name, newitem);
-                       //System.printString("DEBUG -> after if ");
                } else {
-                       //System.printString("DEBUG -> Inside else ");
                        ItemInfo i = map.get(name);
                        i.quantity += quantity;
                        i.price = price;
@@ -44,7 +35,6 @@ public class Inventory {
        // Buy item from a given list of inventory      
        public int buyitem(String name, int quantity){
                if (map.containsKey(name) == false) {
-                       System.printString(name);
                        System.printString("Error - Item does not exist");
                        return -1;
                } else {
@@ -53,10 +43,16 @@ public class Inventory {
                                System.printString("Error - Item unavailable");
                                return -1;
                        }
-                       i.quantity -= quantity;
-                       map.put(name, i);
-                       return i.price;
+                       if ((i.quantity-quantity) < 0 ) {
+                               System.printString("Error - Available qty is less: Cannot Buy\n");
+                               return -1;
+                       } else {
+                               i.quantity -= quantity;
+                               map.put(name, i);
+                               return i.price;
+                       }
                }
+               return 0;
        }
 
        //Display the inventory list
@@ -67,7 +63,6 @@ public class Inventory {
                while (i.hasNext() == true) {
                        Object o = i.next();
                        String name = o.toString();
-                       System.printString(name);
                        ItemInfo oo = j.next();
                        sb.append(name);
                        sb.append(" ");