<s>
HttpUnit	B-Language
is	O
an	O
open-source	B-Application
software	I-Application
testing	O
framework	O
used	O
to	O
perform	O
testing	O
of	O
web	O
sites	O
without	O
the	O
need	O
for	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
HttpUnit	B-Language
supports	O
HTML	B-Language
form	O
submission	O
,	O
JavaScript	B-Language
,	O
HTTP	B-Protocol
basic	I-Protocol
access	O
authentication	O
,	O
automatic	O
page	O
redirection	O
,	O
and	O
cookies	B-Application
.	O
</s>
<s>
Written	O
in	O
Java	B-Language
,	O
HttpUnit	B-Language
allows	O
Java	B-Language
test	O
code	O
to	O
process	O
returned	O
pages	O
as	O
text	O
,	O
XML	B-General_Concept
DOM	I-General_Concept
,	O
or	O
containers	O
of	O
forms	O
,	O
tables	O
and	O
links	O
.	O
</s>
<s>
HttpUnit	B-Language
is	O
well	O
suited	O
to	O
be	O
used	O
in	O
combination	O
with	O
JUnit	B-Language
,	O
in	O
order	O
to	O
easily	O
write	O
tests	O
that	O
verify	O
the	O
proper	O
behaviour	O
of	O
a	O
web	O
site	O
.	O
</s>
<s>
The	O
use	O
of	O
HttpUnit	B-Language
allows	O
for	O
automated	O
testing	O
of	O
web	O
applications	O
and	O
as	O
a	O
result	O
,	O
assists	O
in	O
regression	O
testing	O
.	O
</s>
