Bugfixes

Update tests
Add javadoc comments

src/test/java/com/mattrixwv/matrix/exceptions/TestInvalidScalarException.java

@@ -1,36 +1,44 @@
 //Matrix/src/test/java/com/mattrixwv/matrix/exceptions/TestInvalidScalarException.java
 //Mattrixwv
 // Created: 04-13-23
-//Modified: 04-13-23
+//Modified: 08-11-24
 package com.mattrixwv.matrix.exceptions;
 
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.*;
 
 import org.junit.jupiter.api.Test;
 
 
 public class TestInvalidScalarException{
-	private String message = "message";
-	private Throwable cause = new Exception();
+	private static final String message = "message";
+	private static final Throwable cause = new Exception();
 
 
 	@Test
-	public void testConstructor(){
+	public void testConstructor_default(){
 		InvalidScalarException exception = new InvalidScalarException();
 		assertNull(exception.getMessage());
 		assertNull(exception.getCause());
+	}
 
-		exception = new InvalidScalarException(message);
+	@Test
+	public void testConstructor_message(){
+		InvalidScalarException exception = new InvalidScalarException(message);
 		assertEquals(message, exception.getMessage());
 		assertNull(exception.getCause());
+	}
 
-		exception = new InvalidScalarException(cause);
+	@Test
+	public void testConstructor_cause(){
+		InvalidScalarException exception = new InvalidScalarException(cause);
 		assertEquals(cause.toString(), exception.getMessage());
 		assertEquals(cause, exception.getCause());
+	}
 
-		exception = new InvalidScalarException(message, cause);
+	@Test
+	public void testConstructor_messageCause(){
+		InvalidScalarException exception = new InvalidScalarException(message, cause);
 		assertEquals(message, exception.getMessage());
 		assertEquals(cause, exception.getCause());
 	}