added Set PWLength Funtionality

src/main/java/Vault.java

@@ -7,6 +7,7 @@ import java.util.Scanner;
 public class Vault implements VaultInterface {
 
     public boolean config;
+    public int PWLength;
     InputStream inputS = System.in;
     OutputStream outputS = System.out;
 
@@ -40,6 +41,13 @@ public class Vault implements VaultInterface {
 
     public void setPWLength(){
         println("Set PW length:");
+
+        Scanner scan = new Scanner(inputS);
+        String input = scan.nextLine();
+
+        PWLength = Integer.parseInt(input);
+
+        println("\nNew PWlength is now: ");
     }
 
 

src/test/java/VaultTest.java

@@ -72,11 +72,23 @@ public class VaultTest {
     @Test
     void openSetPWLength() {
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        vlt.inputS = new ByteArrayInputStream("12".getBytes(StandardCharsets.UTF_8));
         vlt.outputS = outputStream;
         vlt.setPWLength();
         assertTrue(outputStream.toString().startsWith("Set"));
     }
 
+    @Test
+    void setPWLength() {
+        vlt.inputS = new ByteArrayInputStream("7\n".getBytes(StandardCharsets.UTF_8));
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        vlt.outputS = outputStream;
+        vlt.setPWLength();
+
+        assertEquals(7, vlt.PWLength);
+        assertTrue(outputStream.toString().contains("now:"));
+    }
+
     private ByteArrayInputStream getEmptyStringInputStream() {
         return new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8));
     }