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# -*- tcl -*-
#---------------------------------------------------------------------
# TITLE:
#       romannumeral
#
# AUTHOR:
#       Kenneth Green, 28 Sep 2005
#
# DESCRIPTION:
#       tcltest test cases for romannumeral.tcl

# Note:
#    Assumes Tcl 8.3
#    The tests assume tcltest 2.2

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

source [file join \
	[file dirname [file dirname [file join [pwd] [info script]]]] \
	devtools testutilities.tcl]

testsNeedTcl     8.3
testsNeedTcltest 2.2

support {
    useLocal math.tcl math
}
testing {
    useLocal romannumerals.tcl math::roman
}

#=====================================================================
# S u p p o r t   F u n c t i o n s
#=====================================================================

#---------------------------------------------------------------------
# cleanup --
#
# cleanup before each test
#---------------------------------------------------------------------

proc cleanup {} {
    global errorInfo

}

#=====================================================================
# I n i t i a l i s a t i o n
#=====================================================================

::tcltest::testConstraint tk [info exists tk_version]

#=====================================================================
# T e s t   C a s e s
#=====================================================================

#-----------------------------------------------------------------------
# toroman

test ToRoman-1.1 {good input} -constraints {
} -setup {
    cleanup
} -body {
    list [catch { list \
                    [::math::roman::toroman 0]    \
                    [::math::roman::toroman 1]    \
                    [::math::roman::toroman 2]    \
                    [::math::roman::toroman 3]    \
                    [::math::roman::toroman 4]    \
                    [::math::roman::toroman 5]    \
                    [::math::roman::toroman 6]    \
                    [::math::roman::toroman 7]    \
                    [::math::roman::toroman 8]    \
                    [::math::roman::toroman 9]    \
                    [::math::roman::toroman 10]   \
                    [::math::roman::toroman 13]   \
                    [::math::roman::toroman 100]  \
                    [::math::roman::toroman 250]  \
                    [::math::roman::toroman 333]  \
                    [::math::roman::toroman 1001] \
                    [::math::roman::toroman 1963] \
                } errMsg] [set errMsg]
} -cleanup {
    cleanup
} -result {0 {{} I II III IV V VI VII VIII IX X XIII C CCL CCCXXXIII MI MCMLXIII}}

#-----------------------------------------------------------------------
# tointeger

test ToInteger-2.1 {good input} -constraints {
} -setup {
    cleanup
} -body {
    list [catch { list \
                    [::math::roman::tointeger ""]    \
                    [::math::roman::tointeger I]    \
                    [::math::roman::tointeger ii]    \
                    [::math::roman::tointeger IiI]    \
                    [::math::roman::tointeger iv]    \
                    [::math::roman::tointeger V]    \
                    [::math::roman::tointeger vI]    \
                    [::math::roman::tointeger vIi]    \
                    [::math::roman::tointeger ViiI]    \
                    [::math::roman::tointeger ix]    \
                    [::math::roman::tointeger X]   \
                    [::math::roman::tointeger XiII]   \
                    [::math::roman::tointeger C]  \
                    [::math::roman::tointeger CCD]  \
                    [::math::roman::tointeger CCCXXXIII]  \
                    [::math::roman::tointeger MI] \
                    [::math::roman::tointeger MCMXXXVI] \
                } errMsg] [set errMsg]
} -cleanup {
    cleanup
} -result {0 {0 1 2 3 4 5 6 7 8 9 10 13 100 500 333 1001 1936}}

#-----------------------------------------------------------------------
# combined

test Combined-3.1 {good input} -constraints {
} -setup {
    cleanup
} -body {
    list [catch {
        for { set i 0 } { $i < 11666 } { incr i } {
            set r [::math::roman::toroman    $i]
            set j [::math::roman::tointeger  $r]
            if { $i != $j } {
                error "Mismatch i ($i) -> r ($r) -> j ($j)"
            }
        }
    } errMsg] [set errMsg]
} -cleanup {
    cleanup
} -result {0 {}}

#-----------------------------------------------------------------------
# sort

test Sort-4.1 {good input} -constraints {
} -setup {
    cleanup
} -body {
    list [catch {
        set l {X III IV I V}
        ::math::roman::sort $l \
    } errMsg] [set errMsg]
} -cleanup {
    cleanup
} -result {0 {I III IV V X}}

#-----------------------------------------------------------------------
# expr

test Expr-5.1 {plus} -constraints {
} -setup {
    cleanup
} -body {
    list [catch {
    set x 23
    set xr [::math::roman::toroman $x]
    set y 77
    set yr [::math::roman::toroman $y]
    set xr+yr [::math::roman::expr $xr + $yr]
    expr [::math::roman::tointeger ${xr+yr}] == [expr $x + $y]
    } errMsg] [set errMsg]
} -cleanup {
    cleanup
} -result {0 1}

test Expr-5.2 {minus} -constraints {
} -setup {
    cleanup
} -body {
    list [catch {
    set x 23
    set xr [::math::roman::toroman $x]
    set y 77
    set yr [::math::roman::toroman $y]
    set yr-xr [::math::roman::expr $yr - $xr]
    expr [::math::roman::tointeger ${yr-xr}] == [expr $y - $x]
    } errMsg] [set errMsg]
} -cleanup {
    cleanup
} -result {0 1}

test Expr-5.3 {times} -constraints {
} -setup {
    cleanup
} -body {
    list [catch {
    set x 23
    set xr [::math::roman::toroman $x]
    set y 77
    set yr [::math::roman::toroman $y]
    set xr*yr [::math::roman::expr $xr * $yr]
    expr $x * $y
    expr [::math::roman::tointeger ${xr*yr}] == [expr $x * $y]
    } errMsg] [set errMsg]
} -cleanup {
    cleanup
} -result {0 1}

test Expr-5.4 {divide} -constraints {
} -setup {
    cleanup
} -body {
    list [catch {
    set x 23
    set xr [::math::roman::toroman $x]
    set y 77
    set yr [::math::roman::toroman $y]
    set yr/xr [::math::roman::expr $yr / $xr]
    expr [::math::roman::tointeger ${yr/xr}] == [expr $y / $x]
    } errMsg] [set errMsg]
} -cleanup {
    cleanup
} -result {0 1}

#---------------------------------------------------------------------
# Clean up
cleanup
testsuiteCleanup