Fixes #1, Closes #1

.travis.yml

@@ -0,0 +1,4 @@
+language: cpp
+os: linux
+script:
+    - g++ *.cpp

Inventory.cpp

@@ -4,7 +4,7 @@
 
 using std::string;
 using std::ostream;
-  
+
 Inventory::Inventory(string name, float price, int count)
 {
   m_name = name;
@@ -14,12 +14,21 @@ Inventory::Inventory(string name, float price, int count)
 
 void Inventory::sell()
 {
+  if(m_in_stock>0){
   m_in_stock--;
 }
+}
 
 ostream& operator<<(ostream& stream, const Inventory& item)
 {
+  if(item.m_in_stock==0){
+    stream << "Sorry, that item is out of stock";
+  }
+  else{
+
   stream << item.m_name << " $"
          << std::fixed << std::setprecision(2) << item.m_price;
-  return stream;
-}
+
+}
+return stream;
+}

Inventory.h

@@ -18,4 +18,4 @@ class Inventory
     friend ostream& operator<<(ostream&, const Inventory&);
 };
 
-#endif
+#endif

README.md

@@ -0,0 +1 @@
+[![Build Status](https://travis-ci.com/adhaar-star/Inventory.svg?branch=master)](https://travis-ci.com/adhaar-star/Inventory)

main.cpp

@@ -26,4 +26,4 @@ int main()
   }while( choice != 'q' && choice != 'Q');
 
   return 0;
-}
+}