From cc06e938ac460f6da602f49ac531018a57bcf5ca Mon Sep 17 00:00:00 2001
From: Asheela Magwili <asheelamagwili@Asheelas-MacBook-Pro.local>
Date: Wed, 12 Feb 2020 11:17:00 -0800
Subject: [PATCH 1/4] Doesn't allow sale after 0 amounts of inventory

---
 Inventory.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Inventory.cpp b/Inventory.cpp
index 57964b4..80a36a7 100644
--- a/Inventory.cpp
+++ b/Inventory.cpp
@@ -4,6 +4,8 @@
 
 using std::string;
 using std::ostream;
+using std::cout;
+using std::endl;
   
 Inventory::Inventory(string name, float price, int count)
 {
@@ -14,7 +16,16 @@ Inventory::Inventory(string name, float price, int count)
 
 void Inventory::sell()
 {
-  m_in_stock--;
+  if(m_in_stock > 0)
+  {
+    m_in_stock--;
+  }
+
+  else
+  {
+    cout<<"Sorry, that item is out of stock\n"<<endl;
+  }
+  
 }
 
 ostream& operator<<(ostream& stream, const Inventory& item)

From 97c3e9a420ad1f9567e3a147ae8e496f7863ab97 Mon Sep 17 00:00:00 2001
From: Asheela Magwili <asheelamagwili@Asheelas-MacBook-Pro.local>
Date: Wed, 12 Feb 2020 11:22:55 -0800
Subject: [PATCH 2/4] Documentation is added in-line

---
 Inventory.cpp | 4 ++++
 main.cpp      | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/Inventory.cpp b/Inventory.cpp
index 80a36a7..828dff6 100644
--- a/Inventory.cpp
+++ b/Inventory.cpp
@@ -7,6 +7,7 @@ using std::ostream;
 using std::cout;
 using std::endl;
   
+// Inventory class: name of item, price, amount
 Inventory::Inventory(string name, float price, int count)
 {
   m_name = name;
@@ -14,13 +15,16 @@ Inventory::Inventory(string name, float price, int count)
   m_in_stock = count;
 }
 
+// When user chooses to make a sale
 void Inventory::sell()
 {
+  // Substract one from invetory after a sale.
   if(m_in_stock > 0)
   {
     m_in_stock--;
   }
 
+  // When no inventory is left to sell, send error.
   else
   {
     cout<<"Sorry, that item is out of stock\n"<<endl;
diff --git a/main.cpp b/main.cpp
index 236d4ec..a6e03aa 100644
--- a/main.cpp
+++ b/main.cpp
@@ -8,12 +8,14 @@ using std::string;
 int main()
 {
   char choice = 'q';
+  // Initial amount of the stock: Name of stock, price, amount
   Inventory stock("Cupcake",2.99,100);
 
   do
   {
     cout<<"\nMENU\n====\n(S)ell item\n(Q)uit\n>";
     cin>>choice;
+    // Take user input for Sell until user chooses to Quit
     if( choice == 'S' || choice == 's' )
     {
       stock.sell();

From 4a9e6cf9aa1ea508af4899d3cb03addad44f80d0 Mon Sep 17 00:00:00 2001
From: Asheela Magwili <asheelamagwili@Asheelas-MacBook-Pro.local>
Date: Wed, 12 Feb 2020 11:28:39 -0800
Subject: [PATCH 3/4] README

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 README.md

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..70fa46b
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+Travis CI Badge:
+
+[![Build Status](https://travis-ci.com/asheelamagwili/Inventory.svg?branch=master)](https://travis-ci.com/asheelamagwili/Inventory)
\ No newline at end of file

From da80d6f3665a779ddf1b261a33193546ef3b20fa Mon Sep 17 00:00:00 2001
From: Asheela Magwili <asheelamagwili@Asheelas-MacBook-Pro.local>
Date: Wed, 12 Feb 2020 11:29:52 -0800
Subject: [PATCH 4/4] Travis CI

---
 .travis.yml | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 .travis.yml

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..1211bb6
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,4 @@
+language: cpp
+os: linux
+script:
+    - make
\ No newline at end of file