lab2 submission ready

Lab2/main.cpp

@@ -1,7 +1,11 @@
 /**
  * @file main.cpp
  * @author Trevor Barnes (barnestr@msoe.edu)
- * @brief 
+ * @brief A main driver that provides some rudimentary tests for row.cpp
+ * Tests involving memory leaks were tested using valgrind via the command:
+ * `valgrind ./lab2` Test output was left in submission to signify modules
+ * that have successfully passed and provide further clarity of testing
+ * methods.
  * @version 1.0
  * @date 2022-03-22
  * 
@@ -16,8 +20,11 @@ using namespace std;
 int main() {
     // Test Setup
     int length;
-    cout << "Enter the desired length for the matrix constructor test:" << endl;
+    double testValue;
+    cout << "Enter the desired length for the row matrix:" << endl;
     cin >> length;
+    cout << "Enter a double value to test as row data element:" << endl;
+    cin >> testValue;
 
     cout << "Test - Constructor / Access Operator" << endl;
     // Test: Constructor
@@ -25,49 +32,63 @@ int main() {
 
     // Test: Access Operator (non const)
     try{
+        // All elements are accessed
         for(int i = 0; i < length; i++){
             cout << row1[i] << " ";
         }
         cout << endl;
-        cout << row1[1] << endl;
-        //row1[1] = 12.18;
-        cout << row1[1] << endl;
-        cout << row1[length+1] << endl; // Might change
-    }catch(out_of_range){
+        // First element shown as 0
+        cout << row1[0] << endl;
+        // First element is assigned the test value
+        row1[0] = testValue;
+        // First element is now the test value
+        cout << row1[0] << endl;
+        // Throws OOB Exception
+        cout << row1[length+1] << endl;
+    }catch(const out_of_range e){
         cout << "Out of Range Exception Successfully Caught" << endl;
     }
-    cout << "Test - Constructor/AccessOperator: PASS" << endl;
+    cout << "Test - Constructor / Access Operator: PASS" << endl;
 
-    cout << "Test - Copy Constructor/AccessOperator(const)" << endl;
+    cout << "Test - Copy Constructor / Access Operator (const)" << endl;
     // Test: Copy Constructor
     const Row row1Copy(row1);
-    cout << "before seg";
     // Test: Access Operator (const)
     try{
         for(int i = 0; i < length; i++){
             cout << row1Copy[i] << " ";
         }
-        cout << row1Copy[1];
-        cout << row1Copy[length+1]; // Might change
-    }catch(out_of_range){
+        cout << endl;
+        // First element is the same as the original Row object's
+        cout << row1Copy[0] << endl;
+        // Throws OOB Exception
+        cout << row1Copy[length+1];
+    }catch(const out_of_range e){
         cout << "Out of Range Exception Successfully Caught" << endl;
     }
     cout << "Test - Copy Constructor / Access Operator (const): PASS" << endl;
 
     // Test: Assignment Operator
-    Row row2(length*2);
+    Row row2(length);
+    // Set new row object equal to another row object
     row2 = row1;
-    for(int i = 0; i < length*2; i++){
+    // Show that the elements are identical to the original row object
+    for(int i = 0; i < length; i++){
         cout << row2[i] << " ";
     }
     cout << endl;
 
     // Test: Clear
+    cout << "Test - Clear" << endl;
     row2.clear();
-    for(int i = 0; i < length*2; i++){
+    for(int i = 0; i < length; i++){
         cout << row2[i] << " ";
     }
     cout << endl;
+    cout << "Test - Clear: PASS" << endl;
+
+    // Tested for memory leaks using valgrind:
+    // Result: "All heap blocks were freed -- no leaks are possible"
 
     return 0;
 }

Lab2/row.cpp

@@ -1,4 +1,15 @@
-#include<iostream>
+/**
+ * @file row.cpp
+ * @author Trevor Barnes (barnestr@msoe.edu)
+ * @brief Contains the main functionality for row matrices utilizing arrays of
+ * double values
+ * @version 1.0
+ * @date 2022-03-22
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+#include <stdexcept>
 #include "row.h"
 using namespace std;
 
@@ -18,21 +29,17 @@ Row::Row(const Row& from){
 	// New row matrix gets length from previous matrix
 	this->length = from.length;
 	// Create new array in heap with new length
-	this->row_data - new double[this->length];
+	this->row_data = new double[this->length];
 	// Copy all row_data values over to new array
 	for(int i = 0; i < this->length; i++) {
-		cout << "before seg fault" << endl;
-		cout << this->row_data[i] << endl;
 		this->row_data[i] = from[i];
 	}
-	// finish
 }
 
 // destructor
 Row::~Row(){
-	cout << "-Row Destructor-" << endl; // TODO: temp
 	// Check for valid length then free the heap memory
-	if(this->length > 0 ) {
+	if(length > 0 ) {
 		delete[] row_data;
 	}
 }
@@ -63,7 +70,7 @@ Row& Row::operator= (const Row& rhs){
 		// New row matrix gets length from previous matrix
 		this->length = rhs.length;
 		// Create new array in heap with new length
-		this->row_data - new double[this->length];
+		this->row_data = new double[this->length];
 		// Copy all row_data values over to new array
 		for(int i = 0; i < this->length; i ++) {
 			this->row_data[i] = rhs.row_data[i];