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# -*- tcl -*-
# fa_operations.test: tests for the FA operations.
#
# Copyright (c) 2004-2007 by Andreas Kupries <andreas_kupries@users.sourceforge.net>
#
# RCS: @(#) $Id: faop_trim.test,v 1.7 2007/04/12 03:43:15 andreas_kupries Exp $
# -------------------------------------------------------------------------
if {![::tcltest::testConstraint runtotal]} {
::tcltest::cleanupTests
return
}
# -------------------------------------------------------------------------
test faop-trim-${setimpl}-1.0 {trim, error} {
catch {grammar::fa::op::trim} res
set res
} {wrong # args: should be "grammar::fa::op::trim fa ?what?"}
test faop-trim-${setimpl}-1.1 {trim, error} {
catch {grammar::fa::op::trim a foo} res
set res
} {Expected !reachable, !useful, !reachable&!useful, !(reachable|useful), !reachable|!useful, or !(reachable&useful), got "foo"}
test faop-trim-${setimpl}-1.2 {trim, error} {
catch {grammar::fa::op::trim a} res
set res
} {invalid command name "a"}
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
if 0 {
00 x
01 x-
02 xy
03 xy-
04 xy-=
05 xyz/-=
06 xyz|-=
07 xyz+-=_
08 xyz&-=_
09 xyz!-=
10 xyz!-e
}
foreach {n code} {
00 x
01 x-
02 xe
03 xy
04 xy-
05 xye
06 xyee
07 xye-
08 xy--
09 xy-=
10 xyz/ee
11 xyz/e-
12 xyz/--
13 xyz/-=
14 xyz|ee
15 xyz|e-
16 xyz|--
17 xyz|-=
18 xyz+eee
19 xyz+ee-
20 xyz+e--
21 xyz+e-=
22 xyz+---
23 xyz+--=
24 xyz+-=_
25 xyz&eee
26 xyz&ee-
27 xyz&e--
28 xyz&e-=
29 xyz&---
30 xyz&--=
31 xyz&-=_
32 xyz!ee
33 xyz!e-
34 xyz!--
35 xyz!-=
36 xyz!-e
} {
if {[string match xyz* $code]} {
set sets {{} x y z {x y} {x z} {y z} {x y z}}
set max 2
} elseif {[string match xy* $code]} {
set sets {{} x y {x y}}
set max 1
} elseif {[string match x* $code]} {
set sets {{} x}
set max 0
} else {
set sets {{}}
set max 4
}
# Pre-loop, generate the relevant combinations of input.
set states [string range $code 0 $max]
set combinations {}
foreach st $sets {
lappend combinations !reachable $st {}
lappend combinations !useful {} $st
}
foreach method {
!reachable&!useful !(reachable|useful)
!reachable|!useful !(reachable&useful)
} {
foreach st $sets {
foreach fin $sets {
lappend combinations $method $st $fin
}
}
}
foreach {method st fin} $combinations {
set key $n.$code.([join $st {}],[join $fin {}]).$method
test faop-trim-${setimpl}-2.$key {trim} {
grammar::fa a
gen $code
a start set $st
a final set $fin
switch -exact -- $method {
!reachable {set kept [a reachable_states]}
!useful {set kept [a useful_states]}
!reachable&!useful -
!(reachable|useful) {
set kept [struct::set union [a reachable_states] [a useful_states]]
}
!reachable|!useful -
!(reachable&useful) {
set kept [struct::set intersect [a reachable_states] [a useful_states]]
}
}
set kept [join [lsort $kept] {}]
grammar::fa::op::trim a $method
set res [expr {$kept eq [join [lsort [a states]] {}]}]
a destroy
set res
} 1 ; # {}
test faop-trim-${setimpl}-3.$key {second trim is null operation} {
grammar::fa a
gen $code
a start set $st
a final set $fin
grammar::fa::op::trim a $method
set res [a serialize]
grammar::fa::op::trim a $method
set res [validate_serial $res a]
a destroy
set res
} ok ; # {}
test faop-trim-${setimpl}-3.$key {trim, as method} {
grammar::fa a
gen $code
a start set $st
a final set $fin
switch -exact -- $method {
!reachable {set kept [a reachable_states]}
!useful {set kept [a useful_states]}
!reachable&!useful -
!(reachable|useful) {
set kept [struct::set union [a reachable_states] [a useful_states]]
}
!reachable|!useful -
!(reachable&useful) {
set kept [struct::set intersect [a reachable_states] [a useful_states]]
}
}
set kept [join [lsort $kept] {}]
a trim $method
set res [expr {$kept eq [join [lsort [a states]] {}]}]
a destroy
set res
} 1 ; # {}
test faop-trim-${setimpl}-4.$key {second trim is null operation, for method} {
grammar::fa a
gen $code
a start set $st
a final set $fin
a trim $method
set res [a serialize]
a trim $method
set res [validate_serial $res a]
a destroy
set res
} ok ; # {}
}
}
# -------------------------------------------------------------------------
::tcltest::cleanupTests
|
