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#
# Tests for argument lists and method execution
# ----------------------------------------------------------------------
# AUTHOR: Michael J. McLennan
# Bell Labs Innovations for Lucent Technologies
# mmclennan@lucent.com
# http://www.tcltk.com/itcl
#
# RCS: $Id$
# ----------------------------------------------------------------------
# Copyright (c) 1993-1998 Lucent Technologies, Inc.
# ======================================================================
# See the file "license.terms" for information on usage and
# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
package require tcltest
namespace import -force ::tcltest::*
if {[string compare test [info procs test]] == 1} then {source defs}
package require Itcl
# ----------------------------------------------------------------------
# Methods with various argument lists
# ----------------------------------------------------------------------
test methods-1.1 {define a class with lots of methods and arg lists} {
itcl::class test_args {
method none {} {
return "none"
}
method two {x y} {
return "two: $x $y"
}
method defvals {x {y def1} {z def2}} {
return "defvals: $x $y $z"
}
method varargs {x {y def1} args} {
return "varargs: $x $y ($args)"
}
method nomagic {args x} {
return "nomagic: $args $x"
}
method clash {x bang boom} {
return "clash: $x $bang $boom"
}
method clash_time {x bang boom} {
time {set result "clash_time: $x $bang $boom"} 1
return $result
}
proc crash {x bang boom} {
return "crash: $x $bang $boom"
}
proc crash_time {x bang boom} {
time {set result "crash_time: $x $bang $boom"} 1
return $result
}
variable bang "ok"
common boom "no-problem"
}
} ""
test methods-1.2 {create an object to execute tests} {
test_args ta
} {ta}
test methods-1.3 {argument checking: not enough args} {
list [catch {ta two 1} msg] $msg
} {1 {wrong # args: should be "ta two x y"}}
test methods-1.4a {argument checking: too many args} {
list [catch {ta two 1 2 3} msg] $msg
} {1 {wrong # args: should be "ta two x y"}}
test methods-1.4b {argument checking: too many args} {
list [catch {ta none 1 2 3} msg] $msg
} {1 {wrong # args: should be "ta none"}}
test methods-1.5a {argument checking: just right} {
list [catch {ta two 1 2} msg] $msg
} {0 {two: 1 2}}
test methods-1.5b {argument checking: just right} {
list [catch {ta none} msg] $msg
} {0 none}
test methods-1.6a {default arguments: not enough args} {
list [catch {ta defvals} msg] $msg
} {1 {wrong # args: should be "ta defvals x ?y? ?z?"}}
test methods-1.6b {default arguments: missing arguments supplied} {
list [catch {ta defvals 1} msg] $msg
} {0 {defvals: 1 def1 def2}}
test methods-1.6c {default arguments: missing arguments supplied} {
list [catch {ta defvals 1 2} msg] $msg
} {0 {defvals: 1 2 def2}}
test methods-1.6d {default arguments: all arguments assigned} {
list [catch {ta defvals 1 2 3} msg] $msg
} {0 {defvals: 1 2 3}}
test methods-1.6e {default arguments: too many args} {
list [catch {ta defvals 1 2 3 4} msg] $msg
} {1 {wrong # args: should be "ta defvals x ?y? ?z?"}}
test methods-1.7a {variable arguments: not enough args} {
list [catch {ta varargs} msg] $msg
} {1 {wrong # args: should be "ta varargs x ?y? ?arg arg ...?"}}
test methods-1.7b {variable arguments: empty} {
list [catch {ta varargs 1 2} msg] $msg
} {0 {varargs: 1 2 ()}}
test methods-1.7c {variable arguments: one} {
list [catch {ta varargs 1 2 one} msg] $msg
} {0 {varargs: 1 2 (one)}}
test methods-1.7d {variable arguments: two} {
list [catch {ta varargs 1 2 one two} msg] $msg
} {0 {varargs: 1 2 (one two)}}
test methods-1.8 {magic "args" argument has no magic unless at end of list} {
list [catch {ta nomagic 1 2 3 4} msg] $msg
} {1 {wrong # args: should be "ta nomagic args x"}}
test methods-1.9 {formal args don't clobber class members} {
list [catch {ta clash 1 2 3} msg] $msg \
[ta info variable bang -value] \
[ta info variable boom -value]
} {0 {clash: 1 2 3} ok no-problem}
test methods-1.10 {formal args don't clobber class members} {
list [catch {test_args::crash 4 5 6} msg] $msg \
[ta info variable bang -value] \
[ta info variable boom -value]
} {0 {crash: 4 5 6} ok no-problem}
test methods-1.11 {formal args don't clobber class members, even in "time"} {
list [catch {ta clash_time 7 8 9} msg] $msg \
[ta info variable bang -value] \
[ta info variable boom -value]
} {0 {clash_time: 7 8 9} ok no-problem}
test methods-1.12 {formal args don't clobber class members, even in "time"} {
list [catch {test_args::crash_time a b c} msg] $msg \
[ta info variable bang -value] \
[ta info variable boom -value]
} {0 {crash_time: a b c} ok no-problem}
# ----------------------------------------------------------------------
# Clean up
# ----------------------------------------------------------------------
itcl::delete class test_args
::tcltest::cleanupTests
return
|
