From c172c41a15b47e47b34b88c3a5ced86e8eeedcb5 Mon Sep 17 00:00:00 2001
From: mdb <mdb@6335cc39-0255-0410-8fd6-9bcaacd3b74c>
Date: Fri, 24 May 2002 21:31:56 +0000
Subject: [PATCH] Fixed potential failure to freak out if a synchronized int
 map was created with a null source map.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@760 6335cc39-0255-0410-8fd6-9bcaacd3b74c
---
 .../samskivert/src/java/com/samskivert/util/Collections.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/projects/samskivert/src/java/com/samskivert/util/Collections.java b/projects/samskivert/src/java/com/samskivert/util/Collections.java
index 8a3b620c..e5fc25ff 100644
--- a/projects/samskivert/src/java/com/samskivert/util/Collections.java
+++ b/projects/samskivert/src/java/com/samskivert/util/Collections.java
@@ -1,5 +1,5 @@
 //
-// $Id: Collections.java,v 1.2 2001/12/14 18:27:57 mdb Exp $
+// $Id: Collections.java,v 1.3 2002/05/24 21:31:56 mdb Exp $
 
 package com.samskivert.util;
 
@@ -66,6 +66,9 @@ public class Collections
         }
 
 	SynchronizedIntMap(IntMap m, Object mutex) {
+            if (m == null) {
+                throw new NullPointerException();
+            }
             this.m = m;
             this.mutex = mutex;
         }