<s>
Sun	O
's	O
Java	B-Language
Device	I-Language
Test	I-Language
Suite	I-Language
(	O
JDTS	B-Language
)	O
is	O
the	O
de	O
facto	O
industry-standard	O
tool	O
for	O
assessing	O
the	O
quality	O
of	O
Java	B-Language
Platform	I-Language
,	I-Language
Micro	I-Language
Edition	I-Language
(	O
Java	B-Language
ME	I-Language
platform	O
)	O
implementations	O
.	O
</s>
<s>
This	O
tool	O
performs	O
quality	O
testing	O
for	O
devices	O
using	O
the	O
Java	B-Language
ME	I-Language
platform	O
.	O
</s>
<s>
A	O
feature	O
that	O
distinguishes	O
the	O
Java	B-Language
Device	I-Language
Test	I-Language
Suite	I-Language
from	O
Technology	B-Language
Compatibility	I-Language
Kit	I-Language
(	O
TCKs	O
)	O
is	O
its	O
focus	O
on	O
an	O
implementation	O
's	O
quality	O
instead	O
of	O
an	O
implementation	O
's	O
specification	O
compliance	O
.	O
</s>
<s>
The	O
Java	B-Language
Device	I-Language
Test	I-Language
Suite	I-Language
is	O
an	O
extensible	O
set	O
of	O
test	O
packs	O
,	O
a	O
shared	O
management	O
facility	O
,	O
and	O
a	O
distributed	O
test	O
execution	O
harness	O
that	O
can	O
be	O
used	O
to	O
assess	O
the	O
quality	O
of	O
any	O
device	O
that	O
implements	O
a	O
compatible	O
combination	O
of	O
the	O
Java	B-Language
ME	I-Language
technologies	O
,	O
including	O
the	O
following	O
:	O
</s>
<s>
The	O
Java	B-Language
Device	I-Language
Test	I-Language
Suite	I-Language
's	O
tests	O
can	O
be	O
divided	O
into	O
three	O
main	O
categories	O
:	O
</s>
<s>
The	O
Java	B-Language
Device	I-Language
Test	I-Language
Suite	I-Language
has	O
approximately	O
11,000	O
tests	O
that	O
can	O
be	O
extended	O
with	O
new	O
tests	O
written	O
by	O
Sun	O
engineers	O
or	O
by	O
others	O
,	O
including	O
users	O
of	O
the	O
test	O
suite	O
.	O
</s>
<s>
Custom	O
Test	O
Libraries	O
–	O
Allows	O
developers	O
to	O
inject	O
a	O
private	O
Java	B-Device
library	O
into	O
the	O
test	O
bundle	O
.	O
</s>
<s>
Portable	O
Templates	O
can	O
be	O
easily	O
exchanged	O
between	O
different	O
JDTS	B-Language
systems	O
.	O
</s>
