Implement '==' operator for entries

Author: erlliam

lib/net/ldap/entry.rb

@@ -196,4 +196,8 @@ def setter?(sym)
     sym.to_s[-1] == ?=
   end
   private :setter?
+
+  def ==(other)
+    return self['dn'] == other['dn']
+  end
 end # class Entry

test/test_entry.rb

@@ -54,6 +54,14 @@ def test_to_h
     duplicate.delete(:sn)
     assert_not_equal duplicate, @entry.to_h
   end
+
+  def test_equal_operator
+    @entry_two = Net::LDAP::Entry.new 'cn=Barbara,o=corp'
+    assert_equal @entry, @entry_two
+
+    @entry_three = Net::LDAP::Entry.new 'cn=Bob,o=corp'
+    assert_not_equal @entry, @entry_three
+  end
 end
 
 class TestEntryLDIF < Test::Unit::TestCase