'Two L{dns.Record_HINFO} instances compare equal if and only if they
have the same cpu, os, and ttl.'

def test_hinfo(self):

    self._equalityTest(dns.Record_HINFO('x86-64', 'plan9', 10), dns.Record_HINFO('x86-64', 'plan9', 10), dns.Record_HINFO('i386', 'plan9', 10))
    self._equalityTest(dns.Record_HINFO('x86-64', 'plan9', 10), dns.Record_HINFO('x86-64', 'plan9', 10), dns.Record_HINFO('x86-64', 'plan11', 10))
    self._equalityTest(dns.Record_HINFO('x86-64', 'plan9', 10), dns.Record_HINFO('x86-64', 'plan9', 10), dns.Record_HINFO('x86-64', 'plan9', 100))
