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#
# Basic tests for class definition and method/proc access
# ----------------------------------------------------------------------
# AUTHOR: Michael J. McLennan
# Bell Labs Innovations for Lucent Technologies
# mmclennan@lucent.com
# http://www.tcltk.com/itcl
# ----------------------------------------------------------------------
# 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 2.2
namespace import ::tcltest::test
::tcltest::loadTestedCommands
package require itcl
test basic-1.0 {empty string as class name should fail but not crash
} -body {
list [catch {itcl::class "" {}} err] $err
} -result {1 {invalid class name ""}}
# ----------------------------------------------------------------------
# Simple class definition
# ----------------------------------------------------------------------
variable setup {
itcl::class Counter {
constructor {args} {
incr num
eval configure $args
}
destructor {
incr num -1
}
method ++ {} {
return [incr val $by]
}
proc num {} {
return $num
}
public variable by 1
protected variable val 0
private common num 0
}
}
variable cleanup {
itcl::delete class Counter
}
variable setup2 $setup
append setup2 {
set x [Counter x]
}
variable cleanup2 $cleanup
append cleanup2 {
unset x
}
variable setup3 $setup
append setup3 {
Counter -foo
}
variable setup4 $setup
append setup4 {
Counter c
}
test basic-1.1 {define a simple class
} -setup $setup -body {
} -cleanup $cleanup -result {}
test basic-1.2 {class is now defined
} -setup $setup -body {
itcl::find classes Counter
} -cleanup $cleanup -result Counter
test basic-1.3 {access command exists with class name
} -setup $setup -body {
namespace which -command Counter
} -cleanup $cleanup -result ::Counter
test basic-1.4 {create a simple object
} -setup $setup2 -body {
return $x
} -cleanup $cleanup2 -result x
test basic-1.5a {object names cannot be duplicated
} -setup $setup2 -body {
list [catch "Counter x" msg] $msg
} -cleanup $cleanup2 -result {1 {command "x" already exists in namespace "::"}}
test basic-1.5b {built-in commands cannot be clobbered
} -setup $setup -body {
list [catch "Counter info" msg] $msg
} -cleanup $cleanup -result {1 {command "info" already exists in namespace "::"}}
test basic-1.6 {objects have an access command
} -setup $setup2 -body {
namespace which -command x
} -cleanup $cleanup2 -result ::x
test basic-1.7a {objects are added to the master list
} -setup $setup2 -body {
itcl::find objects x
} -cleanup $cleanup2 -result x
test basic-1.7b {objects are added to the master list
} -setup $setup2 -body {
itcl::find objects -class Counter x
} -cleanup $cleanup2 -result x
test basic-1.8 {objects can be deleted
} -setup $setup2 -body {
list [itcl::delete object x] [namespace which -command x]
} -cleanup $cleanup2 -result {{} {}}
test basic-1.9 {objects can be recreated with the same name
} -setup $setup2 -body {
itcl::delete object x
Counter x
} -cleanup $cleanup2 -result x
test basic-1.10 {objects can be destroyed by deleting their access command
} -setup $setup2 -body {
rename ::x {}
itcl::find objects x
} -cleanup $cleanup2 -result {}
test basic-1.11 {find command supports object names starting with -
} -setup $setup3 -body {
itcl::find objects -class Counter -foo
} -cleanup $cleanup -result -foo
test basic-1.12 {is command with class argument
} -setup $setup -body {
itcl::is class Counter
} -cleanup $cleanup -result 1
test basic-1.13 {is command with class argument (global namespace)
} -setup $setup -body {
itcl::is class ::Counter
} -cleanup $cleanup -result 1
test basic-1.14 {is command with class argument (wrapped in code command)
} -setup $setup -body {
itcl::is class [itcl::code Counter]
} -cleanup $cleanup -result 1
test basic-1.15 {is command with class argument (class does not exist)
} -body {
itcl::is class Count
} -result 0
test basic-1.16 {is command with object argument
} -setup $setup3 -body {
itcl::is object -foo
} -cleanup $cleanup -result 1
test basic-1.17 {is command with object argument (object does not exist)
} -body {
itcl::is object xxx
} -result 0
test basic-1.18 {is command with object argument (with code command)
} -setup $setup3 -body {
itcl::is object [itcl::code -- -foo]
} -cleanup $cleanup -result 1
test basic-1.19 {classes can be unicode
} -body {
itcl::class \u6210bcd { method foo args { return "bar" } }
\u6210bcd #auto
} -result "\u6210bcd0"
test basic-1.20 {
classes can be unicode
} -body {
\u6210bcd0 foo
} -cleanup {
::itcl::delete class \u6210bcd
} -result {bar}
# ----------------------------------------------------------------------
# #auto names
# ----------------------------------------------------------------------
test basic-2.1 {create an object with an automatic name
} -setup $setup -body {
Counter #auto
} -cleanup $cleanup -result {counter0}
test basic-2.2 {bury "#auto" within object name
} -setup $setup -body {
Counter x#autoy
} -cleanup $cleanup -result {xcounter0y}
test basic-2.3 {bury "#auto" within object name
} -setup $setup -body {
Counter a#aut#autob
} -cleanup $cleanup -result {a#autcounter0b}
test basic-2.4 {"#auto" is smart enough to skip names that are taken
} -setup $setup -body {
Counter counter3
Counter #auto
} -cleanup $cleanup -result {counter0}
test basic-2.5 {"#auto" with :: at front of name
} -body {
itcl::class AutoCheck {}
set result [AutoCheck ::#auto]
rename AutoCheck {}
set result
} -result {::autoCheck0}
test basic-2.6 {"#auto" with :: at front of name inside method
} -body {
itcl::class AutoCheck {
proc new {} {
return [AutoCheck ::#auto]
}
}
set result [AutoCheck::new]
rename AutoCheck {}
set result
} -result {::autoCheck0}
test basic-2.7 {"#auto" with :: at front of name inside method inside namespace
} -body {
namespace eval AutoCheckNs {}
itcl::class AutoCheckNs::AutoCheck {
proc new {} {
return [AutoCheckNs::AutoCheck ::#auto]
}
}
set result [AutoCheckNs::AutoCheck::new]
namespace delete AutoCheckNs
set result
} -cleanup {
namespace delete ::itcl::internal::variables::AutoCheckNs
} -result {::autoCheck0}
test basic-3.1 {object access command works
} -setup $setup4 -body {
list [c ++] [c ++] [c ++]
} -cleanup $cleanup -result {1 2 3}
test basic-3.2 {errors produce usage info
} -setup $setup4 -body {
list [catch "c xyzzy" msg] $msg
} -cleanup $cleanup -result {1 {bad option "xyzzy": should be one of...
c ++
c cget -option
c configure ?-option? ?value -option value...?
c isa className}}
test basic-3.3 {built-in configure can query public variables
} -setup $setup4 -body {
c configure
} -cleanup $cleanup -result {{-by 1 1}}
test basic-3.4 {built-in configure can query one public variable
} -setup $setup4 -body {
c configure -by
} -cleanup $cleanup -result {-by 1 1}
test basic-3.5 {built-in configure can set public variable
} -setup $setup4 -body {
list [c configure -by 2] [c cget -by]
} -cleanup $cleanup -result {{} 2}
test basic-3.6 {configure actually changes public variable
} -setup $setup4 -body {
list [c ++] [c ++]
} -cleanup $cleanup -result {1 2}
test basic-3.7 {class procs can be accessed
} -setup $setup -body {
Counter::num
} -cleanup $cleanup -result 0
test basic-3.8 {obsolete syntax is no longer allowed
} -setup $setup -body {
list [catch "Counter :: num" msg] $msg
} -cleanup $cleanup -result {1 {syntax "class :: proc" is an anachronism
[incr Tcl] no longer supports this syntax.
Instead, remove the spaces from your procedure invocations:
Counter::num ?args?}}
# ----------------------------------------------------------------------
# Classes can be destroyed and redefined
# ----------------------------------------------------------------------
test basic-4.1 {classes can be destroyed
} -setup $setup -body {
list [itcl::delete class Counter] \
[itcl::find classes Counter] \
[namespace children :: Counter] \
[namespace which -command Counter]
} -result {{} {} {} {}}
test basic-4.2 {classes can be redefined
} -body {
itcl::class Counter {
method ++ {} {
return [incr val $by]
}
public variable by 1
protected variable val 0
}
} -result {}
test basic-4.3 {the redefined class is actually different
} -body {
list [catch "Counter::num" msg] $msg
} -result {1 {invalid command name "Counter::num"}}
test basic-4.4 {objects can be created from the new class
} -body {
list [Counter #auto] [Counter #auto]
} -result {counter0 counter1}
test basic-4.5 {namespaces for #auto are prepended to the command name
} -body {
namespace eval someNS1 {}
namespace eval someNS2 {}
list [Counter someNS1::#auto] [Counter someNS2::#auto]
} -cleanup {
::itcl::delete object someNS1::counter2 someNS2::counter3
} -result "[list someNS1::counter2 someNS2::counter3]"
test basic-4.6 {when a class is destroyed, its objects are deleted
} -body {
list [lsort [itcl::find objects counter*]] \
[itcl::delete class Counter] \
[lsort [itcl::find objects counter*]]
} -result {{counter0 counter1} {} {}}
# ----------------------------------------------------------------------
# Namespace variables
# ----------------------------------------------------------------------
test basic-5.1 {define a simple class with variables in the namespace
} -body {
itcl::class test_globals {
common g1 "global1"
proc getval {name} {
variable $name
return [set [namespace tail $name]]
}
proc setval {name val} {
variable $name
return [set [namespace tail $name] $val]
}
method do {args} {
return [eval $args]
}
}
namespace eval test_globals {
variable g2 "global2"
}
} -result {}
test basic-5.2 {create an object for the tests
} -body {
test_globals #auto
} -result {test_globals0}
test basic-5.3 {common variables live in the namespace
} -body {
lsort [info vars ::test_globals::*]
} -result {::test_globals::g1 ::test_globals::g2}
test basic-5.4 {common variables can be referenced transparently
} -body {
list [catch {test_globals0 do set g1} msg] $msg
} -result {0 global1}
test basic-5.5 {namespace variables require a declaration
} -body {
list [catch {test_globals0 do set g2} msg] $msg
} -result {1 {can't read "g2": no such variable}}
test basic-5.6a {variable accesses variables within namespace
} -body {
list [catch {test_globals::getval g1} msg] $msg
} -result {0 global1}
test basic-5.6b {variable accesses variables within namespace
} -body {
list [catch {test_globals::getval g2} msg] $msg
} -result {0 global2}
test basic-5.7 {variable command will not find vars in other namespaces
} -body {
set ::test_global_0 "g0"
list [catch {test_globals::getval test_global_0} msg] $msg \
[catch {test_globals::getval ::test_global_0} msg] $msg \
} -result {1 {can't read "test_global_0": no such variable} 0 g0}
test basic-5.8 {to create globals in a namespace, use the full path
} -body {
test_globals::setval ::test_global_1 g1
namespace eval :: {lsort [info globals test_global_*]}
} -result {test_global_0 test_global_1}
test basic-5.9 {variable names can have ":" in them
} -body {
test_globals::setval ::test:global:2 g2
namespace eval :: {info globals test:global:2}
} -result {test:global:2}
if {[namespace which [namespace current]::test_globals] ne {}} {
::itcl::delete class test_globals
}
# ----------------------------------------------------------------------
# Array variables
# ----------------------------------------------------------------------
test basic-6.1 {set up a class definition with array variables
} -body {
proc test_arrays_get {name} {
upvar $name x
set rlist {}
foreach index [lsort [array names x]] {
lappend rlist [list $index $x($index)]
}
return $rlist
}
itcl::class test_arrays {
variable nums
common undefined
common colors
set colors(red) #ff0000
set colors(green) #00ff00
set colors(blue) #0000ff
constructor {} {
set nums(one) 1
set nums(two) 2
set nums(three) 3
set undefined(a) A
set undefined(b) B
}
method do {args} {
return [eval $args]
}
}
test_arrays #auto
} -result {test_arrays0}
test basic-6.2 {test array access for instance variables
} -body {
lsort [test_arrays0 do array get nums]
} -result {1 2 3 one three two}
test basic-6.3 {test array access for commons
} -body {
lsort [test_arrays0 do array get colors]
} -result [list #0000ff #00ff00 #ff0000 blue green red]
test basic-6.4 {test array access for instance variables via "upvar"
} -body {
test_arrays0 do test_arrays_get nums
} -result {{one 1} {three 3} {two 2}}
test basic-6.5 {test array access for commons via "upvar"
} -body {
test_arrays0 do test_arrays_get colors
} -result {{blue #0000ff} {green #00ff00} {red #ff0000}}
test basic-6.6a {test array access for commons defined in constructor
} -body {
lsort [test_arrays0 do array get undefined]
} -result {A B a b}
test basic-6.6b {test array access for commons defined in constructor
} -body {
test_arrays0 do test_arrays_get undefined
} -result {{a A} {b B}}
test basic-6.6c {test array access for commons defined in constructor
} -body {
list [test_arrays0 do set undefined(a)] [test_arrays0 do set undefined(b)]
} -result {A B}
test basic-6.7 {common variables can be unset
} -body {
test_arrays0 do unset undefined
test_arrays0 do array names undefined
} -result {}
test basic-6.8 {common variables can be redefined
} -body {
test_arrays0 do set undefined "scalar"
} -result {scalar}
if {[namespace which [namespace current]::test:arrays] ne {}} {
::itcl::delete class test_arrays
}
::tcltest::cleanupTests
return
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