PaperMC/patches/server/0666-Add-missing-Validate-calls-to-CraftServer-getSpawnLi.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Sat, 12 Feb 2022 12:40:50 -0700
Subject: [PATCH] Add missing Validate calls to CraftServer#getSpawnLimit

Copies appropriate checks from CraftWorld#getSpawnLimit

diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 551ae9e529727d84722a0b27d3e3dcc121f51767..1ffef484192ea535482d42909bdb169892058441 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2328,6 +2328,8 @@ public final class CraftServer implements Server {
     @Override
     public int getSpawnLimit(SpawnCategory spawnCategory) {
         // Paper start - Add mobcaps commands
+        Preconditions.checkArgument(spawnCategory != null, "SpawnCategory cannot be null");
+        Preconditions.checkArgument(CraftSpawnCategory.isValidForLimits(spawnCategory), "SpawnCategory." + spawnCategory + " does not have a spawn limit.");
         return this.getSpawnLimitUnsafe(spawnCategory);
     }
     public int getSpawnLimitUnsafe(final SpawnCategory spawnCategory) {