<s>
Automated	B-Application
Testing	I-Application
Framework	I-Application
(	O
ATF	O
)	O
is	O
a	O
testing	O
framework	O
originally	O
created	O
for	O
NetBSD	B-Device
as	O
a	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
project	O
in	O
2007	O
.	O
</s>
<s>
Automated	B-Application
Testing	I-Application
Framework	I-Application
is	O
also	O
used	O
in	O
many	O
mobile	O
phone	O
companies	O
to	O
test	O
latest	O
applications	O
or	O
updated	O
OS	O
.	O
</s>
<s>
In	O
addition	O
,	O
daily	O
regression	O
test	O
will	O
increase	O
the	O
chance	O
to	O
catch	O
bugs	B-Error_Name
before	O
the	O
release	O
of	O
new	O
features	O
.	O
</s>
<s>
ATF	O
is	O
a	O
software	O
testing	O
framework	O
in	O
which	O
test	O
cases	O
can	O
be	O
written	O
in	O
POSIX	O
shell	B-Application
,	O
C	B-Language
,	O
or	O
C++	B-Language
.	O
</s>
<s>
It	O
is	O
released	O
under	O
the	O
two-clause	O
BSD	B-Operating_System
license	I-Operating_System
.	O
</s>
