From 287bcde15cef38ef17e5ec07846af1f28a5f76c6 Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Tue, 4 Apr 2023 22:19:11 -0400
Subject: [PATCH] add verify test for backup ability

---
 .../src/test/java/mage/verify/VerifyCardDataTest.java        | 5 +++++
 Mage/src/main/java/mage/abilities/keyword/BackupAbility.java | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/Mage.Verify/src/test/java/mage/verify/VerifyCardDataTest.java b/Mage.Verify/src/test/java/mage/verify/VerifyCardDataTest.java
index 28aec1baace..2f349204edf 100644
--- a/Mage.Verify/src/test/java/mage/verify/VerifyCardDataTest.java
+++ b/Mage.Verify/src/test/java/mage/verify/VerifyCardDataTest.java
@@ -1465,6 +1465,11 @@ public class VerifyCardDataTest {
             fail(card, "abilities", "card is a Saga but is missing this.addAbility(SagaAbility)");
         }
 
+        // special check: backup ability should be set up correctly
+        if (card.getAbilities().containsClass(BackupAbility.class) && CardUtil.castStream(card.getAbilities().stream(), BackupAbility.class).noneMatch(BackupAbility::hasAbilities)) {
+            fail(card, "abilities", "card has backup but is missing this.addAbility(backupAbility)");
+        }
+
         // special check: Werewolves front ability should only be on front and vice versa
         if (card.getAbilities().containsClass(WerewolfFrontTriggeredAbility.class) && card.isNightCard()) {
             fail(card, "abilities", "card is a back face werewolf with a front face ability");
diff --git a/Mage/src/main/java/mage/abilities/keyword/BackupAbility.java b/Mage/src/main/java/mage/abilities/keyword/BackupAbility.java
index 7983065c7fa..624c991768b 100644
--- a/Mage/src/main/java/mage/abilities/keyword/BackupAbility.java
+++ b/Mage/src/main/java/mage/abilities/keyword/BackupAbility.java
@@ -63,6 +63,10 @@ public class BackupAbility extends EntersBattlefieldTriggeredAbility {
         card.addAbility(ability);
         abilitiesToAdd.add(ability);
     }
+
+    public boolean hasAbilities() {
+        return !abilitiesToAdd.isEmpty();
+    }
 }
 
 class BackupEffect extends OneShotEffect {