<s>
In	O
software	B-General_Concept
engineering	I-General_Concept
,	O
basis	B-General_Concept
path	I-General_Concept
testing	I-General_Concept
,	O
or	O
structured	O
testing	O
,	O
is	O
a	O
white	O
box	O
method	O
for	O
designing	O
test	O
cases	O
.	O
</s>
<s>
The	O
method	O
analyzes	O
the	O
control-flow	O
graph	O
of	O
a	O
program	O
to	O
find	O
a	O
set	O
of	O
linearly	O
independent	O
paths	O
of	O
execution	B-General_Concept
.	O
</s>
<s>
Basis	B-General_Concept
path	I-General_Concept
testing	I-General_Concept
guarantees	O
complete	O
branch	B-Application
coverage	I-Application
(	O
all	O
edges	O
of	O
the	O
control-flow	O
graph	O
)	O
,	O
but	O
achieves	O
that	O
without	O
covering	O
all	O
possible	O
paths	O
of	O
the	O
control-flow	O
graph	O
the	O
latter	O
is	O
usually	O
too	O
costly	O
.	O
</s>
<s>
Basis	B-General_Concept
path	I-General_Concept
testing	I-General_Concept
has	O
been	O
widely	O
used	O
and	O
studied	O
.	O
</s>
