/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

package org.apache.commons.net.imap;

import junit.framework.Assert;

import org.junit.Test;


public class IMAPTest {

    @Test
    public void checkGenerator() {
        IMAP imap = new IMAP();
        String initial = imap.generateCommandID();
        int expected = 1;
        for(int j=0; j < initial.length(); j++) {
            expected *= 26; // letters in alphabet
        }
        int i=0;
        while(true) {
            i++;
            String s = imap.generateCommandID();
            if (initial.equals(s)) { // we've wrapped around completely
                break;
            }
            if (i > expected) {
                break;
            }
        }
        Assert.assertEquals(expected, i);
    }
}

@@ -959,24 +959,153 @@
 nerator() %7B%0A
+        // This test assumes:%0A        // - 26 letters in the generator alphabet%0A        // - the generator uses a fixed size tag%0A
         IMAP
@@ -1341,21 +1341,112 @@
     
-while(true) %7B
+boolean matched=false;%0A        while(i %3C= expected+10) %7B // don't loop forever, but allow it to pass go!
 %0A   
@@ -1520,20 +1520,26 @@
         
-if (
+matched = 
 initial.
@@ -1547,16 +1547,41 @@
 quals(s)
+;%0A            if (matched
 ) %7B // w
@@ -1659,119 +1659,130 @@
     
+ %7D%0A
      
-if (i %3E expected) %7B%0A                break;%0A            %7D%0A        %7D%0A        Assert.assertEquals(expected, i
+   Assert.assertEquals(expected, i);%0A        Assert.assertTrue(%22Expected to see the original value again%22, matched
 );%0A 

COmment and update test