<s>
Google	B-Language
Test	I-Language
(	O
also	O
known	O
as	O
gtest	B-Language
)	O
is	O
a	O
unit	O
testing	O
library	O
for	O
the	O
C++	B-Language
programming	I-Language
language	I-Language
,	O
based	O
on	O
the	O
xUnit	B-Library
architecture	O
.	O
</s>
<s>
It	O
can	O
be	O
compiled	O
for	O
a	O
variety	O
of	O
POSIX	O
and	O
Windows	B-Application
platforms	O
,	O
allowing	O
unit-testing	O
of	O
C	O
sources	O
as	O
well	O
as	O
C++	B-Language
with	O
minimal	O
source	O
modification	O
.	O
</s>
<s>
Besides	O
being	O
developed	O
and	O
used	O
at	O
Google	B-Application
,	O
many	O
other	O
projects	O
implement	O
Google	B-Language
Test	I-Language
as	O
well	O
:	O
</s>
<s>
Google	B-Language
Test	I-Language
UI	O
is	O
a	O
test	O
runner	O
that	O
runs	O
test	O
binary	O
,	O
allows	O
to	O
track	O
progress	O
via	O
a	O
progress	O
bar	O
,	O
and	O
displays	O
a	O
list	O
of	O
test	O
failures	O
.	O
</s>
<s>
Google	B-Language
Test	I-Language
UI	O
is	O
written	O
in	O
C#	B-Application
.	O
</s>
<s>
Additionally	O
,	O
a	O
feature-complete	O
Visual	B-Application
Studio	I-Application
extension	O
exists	O
with	O
Google	B-Language
Test	I-Language
Adapter	O
.	O
</s>
