From e070913513833b1f9173c5c7c39ae22a32e23333 Mon Sep 17 00:00:00 2001
From: janik <janik@krumel.moe>
Date: Thu, 21 Oct 2021 12:31:41 +0200
Subject: [PATCH] input checking

---
 12fi5/AEuP/Konto/konto.ps1 | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/12fi5/AEuP/Konto/konto.ps1 b/12fi5/AEuP/Konto/konto.ps1
index 5b6fb61..35d0aaf 100644
--- a/12fi5/AEuP/Konto/konto.ps1
+++ b/12fi5/AEuP/Konto/konto.ps1
@@ -11,30 +11,36 @@ class konto {
     }
 
     [double]einzahlen([double]$menge) {
+        if ($menge -lt 0) {
+            throw "Einzahlungsmenge muss positiv sein!"
+        }
         $this.guthaben += $menge
         return $this.guthaben
     }
 
     [double]auszahlen([double]$menge) {
+        if ($menge -lt 0) {
+            throw "Auszahlungsmenge muss positiv sein!"
+        }
         if (($this.guthaben - $menge) -gt (-1000)) {
             $this.guthaben -= $menge
         }
         return $this.guthaben
     }
 
-    [void]set_knr([int]$nr){ # public
+    [void]set_knr([int]$nr){
         [string]$this.kontonr = $nr
     }
 
-    [string]get_knr(){ # public
+    [string]get_knr(){
         return $this.kontonr
     }
 
-    [void]set_ktyp($typ){ # public
+    [void]set_ktyp($typ){
         $this.ktyp = $typ
     }
 
-    [string]get_ktyp(){ # public
+    [string]get_ktyp(){
         return $this.ktyp
     }
 }
\ No newline at end of file