package com.atlassian.refapp.sal.pluginsettings;
   
   import junit.framework.TestCase;
   
   public class TestXmlUtils extends TestCase {
       public void testEscape() {
           // no special code to be escaped.
           assertEquals("hello world", XmlUtils.escape("hello world"));
   
          // null input should return null
          assertEquals(null, XmlUtils.escape(null));
  
          // special chars should be escaped but \n is legit in XML so it doesn't have to be escaped.
          assertEquals("hello!@#$000Cworld\nyeehaw!@#$0008hoho", XmlUtils.escape("hello\fworld\nyeehaw\bhoho"));
      }
  
      public void testUnescape() {
          // no escape should just return the input.
          assertEquals("hello world", XmlUtils.unescape("hello world"));
  
          // null input should return null
          assertEquals(null, XmlUtils.unescape(null));
  
          // this should deescape all the special sequences.
          assertEquals("hello\fworld\nyeehaw\bhoho", XmlUtils.unescape("hello!@#$000Cworld\nyeehaw!@#$0008hoho"));
  
          // this should not get deescape since the escape sequence is incomplete.
          assertEquals("hello!@#000Cworld", XmlUtils.unescape("hello!@#000Cworld"));
  
          // this should not get deescape since the escape sequence is incomplete.
          assertEquals("hello!@#$000%world", XmlUtils.unescape("hello!@#$000%world"));
  
          // this should not get deescape since the escape sequence is incomplete.
          assertEquals("hello!@ !@# !@#$ !! @@ ## $$ !@#$54", XmlUtils.unescape("hello!@ !@# !@#$ !! @@ ## $$ !@#$54"));
  
          // if the first escaping symbol is the last character in string. it should not try to unescape or crash.
          assertEquals("hello!", XmlUtils.unescape("hello!"));
      }
  }