<s>
Visual	B-Application
Test	I-Application
,	O
originally	O
known	O
as	O
MS-Test	O
,	O
was	O
an	O
automated	O
testing	O
tool	O
for	O
Windows	B-Application
applications	I-Application
developed	O
by	O
Microsoft	O
and	O
later	O
sold	O
to	O
Rational	O
Software	O
.	O
</s>
<s>
MS-Test	O
automated	O
the	O
process	O
of	O
testing	O
Windows	B-Application
applications	I-Application
.	O
</s>
<s>
It	O
combined	O
a	O
Windows	B-Application
development	O
language	O
,	O
Basic	O
,	O
with	O
a	O
testing-oriented	O
API	B-General_Concept
.	O
</s>
<s>
The	O
API	B-General_Concept
was	O
predominantly	O
wrapped	O
around	O
Windows	B-Application
API	B-General_Concept
functions	O
.	O
</s>
<s>
Test	O
scripts	O
could	O
be	O
created	O
with	O
capture/replay	O
,	O
in	O
particular	O
by	O
the	O
Windows	B-Application
Recorder	O
tool	O
.	O
</s>
<s>
Customers	O
had	O
to	O
purchase	O
Visual	B-Application
Test	I-Application
to	O
develop	O
scripts	O
,	O
but	O
it	O
offered	O
free	O
and	O
unlimited	O
redistribution	O
of	O
compiled	O
scripts	O
.	O
</s>
<s>
The	O
ability	O
to	O
use	O
OLE	B-Application
Automation	I-Application
allowed	O
enterprising	O
individuals	O
to	O
expand	O
beyond	O
basic	O
functional	O
testing	O
into	O
load	O
testing	O
.	O
</s>
<s>
Included	O
with	O
Visual	B-Application
Test	I-Application
was	O
a	O
suite	O
of	O
samples	O
that	O
demonstrated	O
the	O
range	O
of	O
capabilities	O
of	O
the	O
product	O
.	O
</s>
<s>
Version	O
2.0	O
in	O
1993	O
had	O
provided	O
support	O
for	O
Windows	B-Application
3.1	O
.	O
</s>
<s>
In	O
1994	O
MS-Test	O
version	O
3.0	O
advanced	O
from	O
16-bit	B-Device
systems	O
to	O
32-bit	O
.	O
</s>
<s>
With	O
Version	O
4.0	O
in	O
1995	O
,	O
it	O
was	O
hosted	O
within	O
Visual	B-Application
Studio	I-Application
and	O
renamed	O
to	O
Visual	B-Application
Test	I-Application
.	O
</s>
<s>
It	O
was	O
able	O
to	O
support	O
the	O
testing	O
of	O
the	O
new	O
application	O
control	O
that	O
arrived	O
with	O
Windows	B-Application
95	O
and	O
NT	O
.	O
</s>
<s>
The	O
other	O
development	O
language	O
,	O
Visual	B-Language
Basic	I-Language
,	O
remained	O
hosted	O
within	O
its	O
own	O
separate	O
development	O
environment	O
.	O
</s>
<s>
With	O
its	O
inclusion	O
in	O
Visual	B-Application
Studio	I-Application
,	O
versioning	O
of	O
scripts	O
could	O
be	O
maintained	O
with	O
Microsoft	B-Protocol
Visual	I-Protocol
SourceSafe	I-Protocol
,	O
also	O
part	O
of	O
Studio	O
.	O
</s>
<s>
In	O
version	O
4.0	O
,	O
the	O
ability	O
to	O
access	O
its	O
capabilities	O
from	O
Visual	B-Language
Basic	I-Language
and	O
C++	O
,	O
lost	O
with	O
3.0	O
,	O
was	O
regained	O
.	O
</s>
<s>
Version	O
6	O
(	O
5	O
was	O
skipped	O
)	O
from	O
Rational	O
incorporated	O
support	O
Microsoft	O
Active	O
Accessibility	O
(	O
MSAA	O
)	O
,	O
support	O
for	O
HTML	B-Language
and	O
Web	O
pages	O
and	O
ability	O
to	O
read	O
and	O
change	O
the	O
Windows	B-Application
Registry	O
.	O
</s>
<s>
Version	O
6	O
provided	O
support	O
for	O
Windows	B-Application
98	O
and	O
NT	O
5.0	O
,	O
which	O
eventually	O
became	O
Windows	B-Application
2000	O
.	O
</s>
<s>
Mainsoft	O
Corporation	O
created	O
a	O
ported	O
version	O
called	O
MainWin	O
Visual	B-Application
Test	I-Application
4.0r	O
for	O
Unix	B-Application
.	O
</s>
<s>
This	O
version	O
is	O
for	O
testing	O
Unix	B-Application
applications	O
created	O
from	O
Windows	B-Application
applications	I-Application
using	O
Mainsoft	O
MainWin	O
platform	O
.	O
</s>
<s>
Rational	O
Visual	B-Application
Test	I-Application
6	O
was	O
also	O
sold	O
as	O
part	O
of	O
Rational	O
DevelopmentStudio	O
bundle	O
.	O
</s>
<s>
Visual	B-Application
Test	I-Application
was	O
integrated	O
with	O
other	O
Rational	O
products	O
:	O
Purify	B-General_Concept
,	I-General_Concept
and	I-General_Concept
Quantify	I-General_Concept
,	O
PureCoverage	O
and	O
ClearCase	B-Protocol
.	O
</s>
<s>
Rational	O
remained	O
committed	O
to	O
fully	O
support	O
Visual	B-Application
Test	I-Application
through	O
2002	O
.	O
</s>
