From cddf4bdb6e44077d03f0125872a6c191785f2cd9 Mon Sep 17 00:00:00 2001
From: Madhushree B <boylemadhushree@gmail.com>
Date: Thu, 7 Mar 2024 17:18:55 +0100
Subject: [PATCH 1/4] Iteration 1

---
 src/stack/stack-data-structure.js | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/stack/stack-data-structure.js b/src/stack/stack-data-structure.js
index 1106f6f3..6171aefa 100644
--- a/src/stack/stack-data-structure.js
+++ b/src/stack/stack-data-structure.js
@@ -6,22 +6,47 @@ class Stack {
 
   canPush() {
     // ... your code goes here
+    if(this.stackControl.length < this.MAX_SIZE){
+      return true;
+    } else {
+      return false;
+    }
   }
 
   isEmpty() {
     // ... your code goes here
-  }
+    if(this.stackControl > 0) {
+      return false
+    } else {
+      return true;
+    }
+    }
 
   push(item) {
     // ... your code goes here
+    if(this.canPush() === true){
+      this.stackControl.push(item);
+      return this.stackControl;
+
+    } else {
+      throw new Error("STACK_OVERFLOW")
+    }
   }
 
   pop() {
     // ... your code goes here
+    if(this.isEmpty() === false ){
+      this.stackControl.pop();
+      return this.stackControl;
+      // TO DO
+    } else {
+      throw new Error("STACK_UNDERFLOW")
+    }
   }
 
   display() {
     // ... your code goes here
+    return this.stackControl;
   }  
 }
 

From 0d892154d60363eac20882bb3d249c0c8a3fbc3e Mon Sep 17 00:00:00 2001
From: Madhushree B <boylemadhushree@gmail.com>
Date: Thu, 7 Mar 2024 17:29:07 +0100
Subject: [PATCH 2/4] changes in the 1st Iteration

---
 src/stack/stack-data-structure.js | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/src/stack/stack-data-structure.js b/src/stack/stack-data-structure.js
index 6171aefa..b48b9f0b 100644
--- a/src/stack/stack-data-structure.js
+++ b/src/stack/stack-data-structure.js
@@ -15,11 +15,7 @@ class Stack {
 
   isEmpty() {
     // ... your code goes here
-    if(this.stackControl > 0) {
-      return false
-    } else {
-      return true;
-    }
+    return this.stackControl.length === 0;
     }
 
   push(item) {
@@ -27,7 +23,6 @@ class Stack {
     if(this.canPush() === true){
       this.stackControl.push(item);
       return this.stackControl;
-
     } else {
       throw new Error("STACK_OVERFLOW")
     }
@@ -35,12 +30,10 @@ class Stack {
 
   pop() {
     // ... your code goes here
-    if(this.isEmpty() === false ){
-      this.stackControl.pop();
-      return this.stackControl;
-      // TO DO
+    if (this.isEmpty() === false) {
+      return this.stackControl.pop();
     } else {
-      throw new Error("STACK_UNDERFLOW")
+      throw new Error("STACK_UNDERFLOW");
     }
   }
 

From 1b9512b4842cea3b941933a4aa2cd7891f306e50 Mon Sep 17 00:00:00 2001
From: Madhushree B <boylemadhushree@gmail.com>
Date: Thu, 7 Mar 2024 17:39:16 +0100
Subject: [PATCH 3/4] Iteration 2

---
 src/queue/queue-data-structure.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/queue/queue-data-structure.js b/src/queue/queue-data-structure.js
index 98ac0fd0..209b10eb 100644
--- a/src/queue/queue-data-structure.js
+++ b/src/queue/queue-data-structure.js
@@ -6,22 +6,34 @@ class Queue {
 
   canEnqueue() {
     // ... your code goes here
+    return this.queueControl.length < this.MAX_SIZE;
   }
 
   isEmpty() {
     // ... your code goes here
+    return this.queueControl.length === 0;
   }
 
   enqueue(item) {
     // ... your code goes here
+    if(this.canEnqueue() === false){
+      throw new Error('QUEUE_OVERFLOW')
+    }
+    this.queueControl.push(item);
+    return this.queueControl;
   }
 
   dequeue() {
     // ... your code goes here
+    if(this.isEmpty() === true){
+      throw new Error('QUEUE_UNDERFLOW')
+    }
+    return this.queueControl.shift();
   }
 
   display() {
     // ... your code goes here
+    return this.queueControl;
   }  
 }
 

From 34c0d0a0e8a9530897ce8953d9b95fb1b59a0966 Mon Sep 17 00:00:00 2001
From: Madhushree B <boylemadhushree@gmail.com>
Date: Wed, 20 Mar 2024 15:57:07 +0100
Subject: [PATCH 4/4] iteration 1 & 2

---
 index.html | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/index.html b/index.html
index 3fab1ac7..74d54a96 100644
--- a/index.html
+++ b/index.html
@@ -27,6 +27,7 @@ <h2>Stack</h2>
               placeholder="Add element to the stack"
             />
           </div>
+
           <button
             id="add-stack"
             type="button"
@@ -34,6 +35,7 @@ <h2>Stack</h2>
           >
             Add to stack
           </button>
+ 
           <button
             id="take-stack"
             type="button"
@@ -41,12 +43,14 @@ <h2>Stack</h2>
           >
             Remove from stack
           </button>
+
           <div class="stack-container" id="stack-container">
             <div class="warning-top alert alert-danger"></div>
             <ul id="stack-list" class="list-stack"></ul>
             <div class="warning-bottom alert alert-danger"></div>
           </div>
         </div>
+
         <div class="col-sm-1"></div>
 
         <div class="col-sm-7">
@@ -59,6 +63,7 @@ <h2>Queue</h2>
               placeholder="Add element to the queue"
             />
           </div>
+
           <button
             id="add-queue"
             type="button"
@@ -66,6 +71,7 @@ <h2>Queue</h2>
           >
             Add to queue
           </button>
+
           <button
             id="take-queue"
             type="button"