# -*- tcl -*-
# finite_automaton.test:  tests for the grammar::fa container.
#
# Copyright (c) 2004-2007 by Andreas Kupries <andreas_kupries@users.sourceforge.net>
#
# RCS: @(#) $Id: fa_states.test,v 1.4 2007/04/12 03:43:15 andreas_kupries Exp $

# -------------------------------------------------------------------------

test fa-states-${setimpl}-1.0 {states, argument errors} {
    grammar::fa a
    catch {a states x} res
    a destroy
    set res
} {wrong # args: should be "::grammar::fa::Snit_methodstates type selfns win self"}


# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


test fa-states-${setimpl}-2.0 {states, empty fa} {
    grammar::fa a
    set res [a states]
    a destroy
    set res
} {}

test fa-states-${setimpl}-2.1 {states, state addition} {
    grammar::fa a
    a state add x
    set res [a states]
    a destroy
    set res
} x

test fa-states-${setimpl}-2.2 {states, state addition} {
    grammar::fa a
    a state add x y
    set res [lsort [a states]]
    a destroy
    set res
} {x y}


test fa-states-${setimpl}-2.3 {states, state addition and removal} {
    grammar::fa a
    a state add x y
    a state delete x
    set res [a states]
    a destroy
    set res
} y


test fa-states-${setimpl}-2.4 {states, state addition and removal} {
    grammar::fa a
    a state add x y
    a state delete y
    set res [a states]
    a destroy
    set res
} x


test fa-states-${setimpl}-2.5 {states, state addition and removal} {
    grammar::fa a
    a state add x y
    a state delete x y
    set res [a states]
    a destroy
    set res
} {}


# -------------------------------------------------------------------------
::tcltest::cleanupTests