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authordkf <donal.k.fellows@manchester.ac.uk>2006-10-20 14:04:00 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2006-10-20 14:04:00 (GMT)
commit667340e02adf467adc84a317f84580be29dc5c71 (patch)
tree87fbdfd7e8dccb4c52676aa6746ada3820599088 /tests/oo.test
parente2b1c1973457dd38516163bd35af69fd75d9ec0f (diff)
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Consolidated TIP#257 patch applied to HEAD to allow for experimentation by
other developers
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+# This file contains a collection of tests for Tcl's built-in object system.
+# Sourcing this file into Tcl runs the tests and generates output for errors.
+# No output means no errors were found.
+#
+# Copyright (c) 2006 Donal K. Fellows
+#
+# See the file "license.terms" for information on usage and redistribution of
+# this file, and for a DISCLAIMER OF ALL WARRANTIES.
+#
+# RCS: @(#) $Id: oo.test,v 1.2 2006/10/20 14:04:01 dkf Exp $
+
+if {[lsearch [namespace children] ::tcltest] == -1} {
+ package require tcltest 2
+ namespace import -force ::tcltest::*
+}
+
+testConstraint memory [llength [info commands memory]]
+
+test oo-0.1 {basic test of OO's ability to clean up its initial state} {
+ interp create t
+ interp delete t
+} {}
+test oo-0.2 {basic test of OO's ability to clean up its initial state} {
+ interp eval [interp create] { namespace delete :: }
+} {}
+test oo-0.3 {basic test of OO's ability to clean up its initial state} -setup {
+ proc getbytes {} {
+ set lines [split [memory info] "\n"]
+ lindex $lines 3 3
+ }
+} -constraints memory -body {
+ set end [getbytes]
+ for {set i 0} {$i < 5} {incr i} {
+ [oo::object new] destroy
+ set tmp $end
+ set end [getbytes]
+ }
+ set leakedBytes [expr {$end - $tmp}]
+} -cleanup {
+ rename getbytes {}
+} -result 0
+test oo-0.4 {basic test of OO's ability to clean up its initial state} -setup {
+ proc getbytes {} {
+ set lines [split [memory info] "\n"]
+ lindex $lines 3 3
+ }
+} -constraints memory -body {
+ set end [getbytes]
+ for {set i 0} {$i < 5} {incr i} {
+ oo::class create foo
+ foo new
+ foo destroy
+ set tmp $end
+ set end [getbytes]
+ }
+ set leakedBytes [expr {$end - $tmp}]
+} -cleanup {
+ rename getbytes {}
+} -result 0
+
+test oo-1.1 {basic test of OO functionality: no classes} {
+ set result {}
+ lappend result [oo::object create foo]
+ lappend result [oo::define foo {
+ method bar args {
+ global result
+ lappend result {expand}$args
+ return [llength $args]
+ }
+ }]
+ lappend result [foo bar a b c]
+ lappend result [foo destroy] [info commands foo]
+} {::foo {} a b c 3 {} {}}
+test oo-1.2 {basic test of OO functionality: no classes} -body {
+ oo::define oo::object method missingArgs
+} -returnCodes 1 -result "wrong # args: should be \"oo::define oo::object method name args body\""
+test oo-1.3 {basic test of OO functionality: no classes} {
+ catch {oo::define oo::object method missingArgs}
+ set errorInfo
+} "wrong # args: should be \"oo::define oo::object method name args body\"
+ while executing
+\"oo::define oo::object method missingArgs\""
+test oo-1.4 {basic test of OO functionality} -body {
+ oo::object create {}
+} -returnCodes 1 -result {object name must not be empty}
+test oo-1.5 {basic test of OO functionality} -body {
+ oo::object doesnotexist
+} -returnCodes 1 -result {unknown method "doesnotexist": must be create, destroy or new}
+test oo-1.6 {basic test of OO functionality} -setup {
+ oo::object create aninstance
+} -body {
+ oo::define aninstance unexport destroy
+ aninstance doesnotexist
+} -cleanup {
+ rename aninstance {}
+} -returnCodes 1 -result {object "::aninstance" has no visible methods}
+
+test oo-2.1 {basic test of OO functionality: constructor} -setup {
+ # This is a bit complex because it needs to run in a sub-interp as
+ # we're modifying the root object class's constructor
+ interp create subinterp
+} -body {
+ subinterp eval {
+ oo::define oo::object constructor {} {
+ lappend ::result [info level 0]
+ }
+ lappend result 1
+ lappend result 2 [oo::object create foo]
+ }
+} -cleanup {
+ interp delete subinterp
+} -result {1 {oo::object create foo} 2 ::foo}
+test oo-2.2 {basic test of OO functionality: constructor} {
+ oo::class create testClass {
+ constructor {} {
+ global result
+ lappend result "[self]->construct"
+ }
+ method bar {} {
+ global result
+ lappend result "[self]->bar"
+ }
+ }
+ set result {}
+ [testClass create foo] bar
+ testClass destroy
+ return $result
+} {::foo->construct ::foo->bar}
+
+test oo-3.1 {basic test of OO functionality: destructor} -setup {
+ # This is a bit complex because it needs to run in a sub-interp as
+ # we're modifying the root object class's constructor
+ interp create subinterp
+} -body {
+ subinterp eval {
+ oo::define oo::object destructor {
+ lappend ::result died
+ }
+ lappend result 1 [oo::object create foo]
+ lappend result 2 [rename foo {}]
+ oo::define oo::object destructor {}
+ return $result
+ }
+} -cleanup {
+ interp delete subinterp
+} -result {1 ::foo died 2 {}}
+test oo-3.2 {basic test of OO functionality: destructor} -setup {
+ # This is a bit complex because it needs to run in a sub-interp as
+ # we're modifying the root object class's constructor
+ interp create subinterp
+} -body {
+ subinterp eval {
+ oo::define oo::object destructor {
+ lappend ::result died
+ }
+ lappend result 1 [oo::object create foo]
+ lappend result 2 [rename foo {}]
+ }
+} -cleanup {
+ interp delete subinterp
+} -result {1 ::foo died 2 {}}
+
+test oo-4.1 {basic test of OO functionality: export} {
+ set o [oo::object new]
+ set result {}
+ oo::define $o method Foo {} {lappend ::result Foo; return}
+ lappend result [catch {$o Foo} msg] $msg
+ oo::define $o export Foo
+ lappend result [$o Foo] [$o destroy]
+} {1 {unknown method "Foo": must be destroy} Foo {} {}}
+test oo-4.2 {basic test of OO functionality: unexport} {
+ set o [oo::object new]
+ set result {}
+ oo::define $o method foo {} {lappend ::result foo; return}
+ lappend result [$o foo]
+ oo::define $o unexport foo
+ lappend result [catch {$o foo} msg] $msg [$o destroy]
+} {foo {} 1 {unknown method "foo": must be destroy} {}}
+
+test oo-5.1 {OO: manipulation of classes as objects} -setup {
+ set obj [oo::object new]
+} -body {
+ oo::define oo::object self.method foo {} { return "in object" }
+ catch {$obj foo} result
+ list [catch {$obj foo} result] $result [oo::object foo]
+} -cleanup {
+ oo::define oo::object self.method foo {} {}
+ $obj destroy
+} -result {1 {unknown method "foo": must be destroy} {in object}}
+
+test oo-6.1 {OO: forward} {
+ oo::object create foo
+ oo::define foo {
+ forward a lappend
+ forward b lappend result
+ }
+ set result {}
+ foo a result 1
+ foo b 2
+ foo destroy
+ return $result
+} {1 2}
+
+test oo-7.1 {OO: inheritance 101} -setup {
+ oo::class create superClass
+ oo::class create subClass
+ subClass create instance
+} -body {
+ oo::define superClass method doit x {lappend ::result $x}
+ oo::define subClass superclass superClass
+ set result [list [catch {subClass doit bad} msg] $msg]
+ instance doit ok
+ return $result
+} -cleanup {
+ subClass destroy
+ superClass destroy
+} -result {1 {unknown method "doit": must be create, destroy or new} ok}
+test oo-7.2 {OO: inheritance 101} -setup {
+ oo::class create superClass
+ oo::class create subClass
+ subClass create instance
+} -body {
+ oo::define superClass method doit x {lappend ::result |$x|}
+ oo::define subClass superclass superClass
+ oo::define instance method doit x {lappend ::result =$x=; next [incr x]}
+ set result {}
+ instance doit 1
+ return $result
+} -cleanup {
+ subClass destroy
+ superClass destroy
+} -result {=1= |2|}
+test oo-7.3 {OO: inheritance 101} -setup {
+ oo::class create superClass
+ oo::class create subClass
+ subClass create instance
+} -body {
+ oo::define superClass method doit x {lappend ::result |$x|}
+ oo::define subClass {
+ superclass superClass
+ method doit x {lappend ::result -$x-; next [incr x]}
+ }
+ oo::define instance method doit x {lappend ::result =$x=; next [incr x]}
+ set result {}
+ instance doit 1
+ return $result
+} -cleanup {
+ subClass destroy
+ superClass destroy
+} -result {=1= -2- |3|}
+test oo-7.4 {OO: inheritance from oo::class} -body {
+ oo::class create meta
+ oo::define meta {
+ superclass oo::class
+ self.unexport create new
+ self.method make {x {definitions {}}} {
+ if {![string match ::* $x]} {
+ set ns [uplevel 1 {::namespace current}]
+ set x ${ns}::$x
+ }
+ set o [my create $x]
+ lappend ::result "made $o"
+ oo::define $o $definitions
+ return $o
+ }
+ }
+ set result [list [catch {meta create foo} msg] $msg]
+ lappend result [meta make classinstance {
+ lappend ::result "in definition script in [namespace current]"
+ }]
+ lappend result [classinstance create instance]
+} -cleanup {
+ catch {classinstance destroy}
+ catch {meta destroy}
+} -result {1 {unknown method "create": must be destroy or make} {made ::classinstance} {in definition script in ::oo::define} ::classinstance ::instance}
+test oo-7.5 {OO: inheritance from oo::class in the secondary chain} -body {
+ oo::class create other
+ oo::class create meta
+ oo::define meta {
+ superclass other oo::class
+ self.unexport create new
+ self.method make {x {definitions {}}} {
+ if {![string match ::* $x]} {
+ set ns [uplevel 1 {::namespace current}]
+ set x ${ns}::$x
+ }
+ set o [my create $x]
+ lappend ::result "made $o"
+ oo::define $o $definitions
+ return $o
+ }
+ }
+ set result [list [catch {meta create foo} msg] $msg]
+ lappend result [meta make classinstance {
+ lappend ::result "in definition script in [namespace current]"
+ }]
+ lappend result [classinstance create instance]
+} -cleanup {
+ catch {classinstance destroy}
+ catch {meta destroy}
+ catch {other destroy}
+} -result {1 {unknown method "create": must be destroy or make} {made ::classinstance} {in definition script in ::oo::define} ::classinstance ::instance}
+test oo-7.6 {OO: inheritance 101 - overridden methods should be oblivious} -setup {
+ oo::class create Aclass
+ oo::class create Bclass
+ Bclass create Binstance
+} -body {
+ oo::define Aclass {
+ method incr {var step} {
+ upvar 1 $var v
+ ::incr v $step
+ }
+ }
+ oo::define Bclass {
+ superclass Aclass
+ method incr {var {step 1}} {
+ global result
+ lappend result $var $step
+ set r [next $var $step]
+ lappend result returning:$r
+ return $r
+ }
+ }
+ set result {}
+ set x 10
+ lappend result x=$x
+ lappend result [Binstance incr x]
+ lappend result x=$x
+} -result {x=10 x 1 returning:11 11 x=11} -cleanup {
+ Aclass destroy
+}
+test oo-7.7 {OO: inheritance and errorInfo} -setup {
+ oo::class create A
+ oo::class create B
+ B create c
+} -body {
+ oo::define A method foo {} {error foo!}
+ oo::define B {
+ superclass A
+ method foo {} { next }
+ }
+ oo::define c method foo {} { next }
+ catch {c ?} msg
+ set result [list $msg]
+ catch {c foo} msg
+ lappend result $msg $errorInfo
+} -cleanup {
+ A destroy
+} -result {{unknown method "?": must be destroy or foo} foo! {foo!
+ while executing
+"error foo!"
+ (class "::A" method "foo" line 1)
+ invoked from within
+"next "
+ (class "::B" method "foo" line 1)
+ invoked from within
+"next "
+ (object "::c" method "foo" line 1)
+ invoked from within
+"c foo"}}
+
+test oo-8.1 {OO: global must work in methods} {
+ oo::object create foo
+ oo::define foo method bar x {global result; lappend result $x}
+ set result {}
+ foo bar this
+ foo bar is
+ lappend result a
+ foo bar test
+ foo destroy
+ return $result
+} {this is a test}
+
+test oo-9.1 {OO: multiple inheritance} -setup {
+ oo::class create A
+ oo::class create B
+ oo::class create C
+ oo::class create D
+ D create foo
+} -body {
+ oo::define A method test {} {lappend ::result A; return ok}
+ oo::define B {
+ superclass A
+ method test {} {lappend ::result B; next}
+ }
+ oo::define C {
+ superclass A
+ method test {} {lappend ::result C; next}
+ }
+ oo::define D {
+ superclass B C
+ method test {} {lappend ::result D; next}
+ }
+ set result {}
+ lappend result [foo test]
+} -cleanup {
+ D destroy
+ C destroy
+ B destroy
+ A destroy
+} -result {D B C A ok}
+test oo-9.2 {OO: multiple inheritance} -setup {
+ oo::class create A
+ oo::class create B
+ oo::class create C
+ oo::class create D
+ D create foo
+} -body {
+ oo::define A method test {} {lappend ::result A; return ok}
+ oo::define B {
+ superclass A
+ method test {} {lappend ::result B; next}
+ }
+ oo::define C {
+ superclass A
+ method test {} {lappend ::result C; next}
+ }
+ oo::define D {
+ superclass B C
+ method test {} {lappend ::result D; next}
+ }
+ set result {}
+ lappend result [foo test]
+} -cleanup {
+ A destroy
+} -result {D B C A ok}
+
+test oo-10.1 {OO: recursive invoke and modify} -setup {
+ [oo::class create C] create O
+} -cleanup {
+ C destroy
+} -body {
+ oo::define C method foo x {
+ lappend ::result $x
+ if {$x} {
+ [self object] foo [incr x -1]
+ }
+ }
+ oo::define O method foo x {
+ lappend ::result -$x-
+ if {$x == 1} {
+ # delete the method
+ oo::define O method foo {} {}
+ }
+ next $x
+ }
+ set result {}
+ O foo 2
+ return $result
+} -result {-2- 2 -1- 1 0}
+
+test oo-11.1 {OO: cleanup} {
+ oo::object create foo
+ set result [list [catch {oo::object create foo} msg] $msg]
+ lappend result [foo destroy] [oo::object create foo] [foo destroy]
+} {1 {can't create object "foo": command already exists with that name} {} ::foo {}}
+test oo-11.2 {OO: cleanup} {
+ oo::class create bar
+ bar create foo
+ set result [list [catch {bar create foo} msg] $msg]
+ lappend result [bar destroy] [oo::object create foo] [foo destroy]
+} {1 {can't create object "foo": command already exists with that name} {} ::foo {}}
+test oo-11.3 {OO: cleanup} {
+ oo::class create bar0
+ oo::class create bar
+ oo::define bar superclass bar0
+ bar create foo
+ set result [list [catch {bar create foo} msg] $msg]
+ lappend result [bar0 destroy] [oo::object create foo] [foo destroy]
+} {1 {can't create object "foo": command already exists with that name} {} ::foo {}}
+test oo-11.4 {OO: cleanup} {
+ oo::class create bar0
+ oo::class create bar1
+ oo::define bar1 superclass bar0
+ oo::class create bar2
+ oo::define bar2 {
+ superclass bar0
+ destructor {lappend ::result destroyed}
+ }
+ oo::class create bar
+ oo::define bar superclass bar1 bar2
+ bar create foo
+ set result [list [catch {bar create foo} msg] $msg]
+ lappend result [bar0 destroy] [oo::object create foo] [foo destroy] \
+ [oo::object create bar2] [bar2 destroy]
+} {1 {can't create object "foo": command already exists with that name} destroyed {} ::foo {} ::bar2 {}}
+
+test oo-12.1 {OO: filters} {
+ oo::class create Aclass
+ Aclass create Aobject
+ oo::define Aclass {
+ method concatenate args {
+ global result
+ lappend result {expand}$args
+ join $args {}
+ }
+ method logFilter args {
+ global result
+ lappend result "calling [self object]->[self method] $args"
+ set r [next {expand}$args]
+ lappend result "result=$r"
+ return $r
+ }
+ }
+ oo::define Aobject filter logFilter
+ set result {}
+ lappend result [Aobject concatenate 1 2 3 4 5]
+ Aclass destroy
+ return $result
+} {{calling ::Aobject->logFilter 1 2 3 4 5} 1 2 3 4 5 result=12345 12345}
+test oo-12.2 {OO: filters} -setup {
+ oo::class create Aclass
+ Aclass create Aobject
+} -body {
+ oo::define Aclass {
+ method concatenate args {
+ global result
+ lappend result {expand}$args
+ join $args {}
+ }
+ method logFilter args {
+ global result
+ lappend result "calling [self object]->[self method] $args"
+ set r [next {expand}$args]
+ lappend result "result=$r"
+ return $r
+ }
+ }
+ oo::define Aobject filter logFilter
+ set result {}
+ lappend result [Aobject concatenate 1 2 3 4 5] [Aobject destroy]
+} -cleanup {
+ Aclass destroy
+} -result {{calling ::Aobject->logFilter 1 2 3 4 5} 1 2 3 4 5 result=12345 {calling ::Aobject->logFilter } result= 12345 {}}
+test oo-12.3 {OO: filters} -setup {
+ oo::class create Aclass
+ Aclass create Aobject
+} -body {
+ oo::define Aclass {
+ method concatenate args {
+ global result
+ lappend result {expand}$args
+ join $args {}
+ }
+ method logFilter args {
+ global result
+ lappend result "calling [self object]->[self method] $args"
+ set r [next {expand}$args]
+ lappend result "result=$r"
+ return $r
+ }
+ filter logFilter
+ }
+ set result {}
+ lappend result [Aobject concatenate 1 2 3 4 5] [Aobject destroy]
+} -cleanup {
+ Aclass destroy
+} -result {{calling ::Aobject->logFilter 1 2 3 4 5} 1 2 3 4 5 result=12345 {calling ::Aobject->logFilter } result= 12345 {}}
+test oo-12.4 {OO: filters} -setup {
+ oo::class create Aclass
+ Aclass create Aobject
+} -body {
+ oo::define Aclass {
+ method foo {} { return foo }
+ method Bar {} { return 1 }
+ method boo {} { if {[my Bar]} { next } { error forbidden } }
+ filter boo
+ }
+ Aobject foo
+} -cleanup {
+ Aclass destroy
+} -result foo
+test oo-12.5 {OO: filters} -setup {
+ oo::class create Aclass
+ Aclass create Aobject
+} -body {
+ oo::define Aclass {
+ method foo {} { return foo }
+ method Bar {} { return [my Bar2] }
+ method Bar2 {} { return 1 }
+ method boo {} { if {[my Bar]} { next } { error forbidden } }
+ filter boo
+ }
+ Aobject foo
+} -cleanup {
+ Aclass destroy
+} -result foo
+test oo-12.6 {OO: filters} -setup {
+ oo::class create Aclass
+ Aclass create Aobject
+} -body {
+ oo::define Aclass {
+ method foo {} { return foo }
+ method Bar {} { return [my Bar2] }
+ method Bar2 {} { return [my Bar3] }
+ method Bar3 {} { return 1 }
+ method boo {} { if {[my Bar]} { next } { error forbidden } }
+ filter boo
+ }
+ Aobject foo
+} -cleanup {
+ Aclass destroy
+} -result foo
+test oo-12.7 {OO: filters} -setup {
+ oo::class create Aclass
+ Aclass create Aobject
+} -body {
+ oo::define Aclass {
+ method outerfoo {} { return [my InnerFoo] }
+ method InnerFoo {} { return foo }
+ method Bar {} { return [my Bar2] }
+ method Bar2 {} { return [my Bar3] }
+ method Bar3 {} { return 1 }
+ method boo {} {
+ lappend ::log [self target]
+ if {[my Bar]} { next } else { error forbidden }
+ }
+ filter boo
+ }
+ set log {}
+ list [Aobject outerfoo] $log
+} -cleanup {
+ Aclass destroy
+} -result {foo {{::Aclass outerfoo} {::Aclass InnerFoo}}}
+
+test oo-13.1 {OO: changing an object's class} {
+ oo::class create Aclass
+ oo::define Aclass {method bar {} {lappend ::result "in A [self object]"}}
+ oo::class create Bclass
+ oo::define Bclass {method bar {} {lappend ::result "in B [self object]"}}
+ set result [Aclass create foo]
+ foo bar
+ oo::define foo self.class Bclass
+ foo bar
+ Aclass destroy
+ lappend result [info command foo]
+ Bclass destroy
+ return $result
+} {::foo {in A ::foo} {in B ::foo} foo}
+test oo-13.2 {OO: changing an object's class} -body {
+ oo::object create foo
+ oo::define foo self.class oo::class
+} -cleanup {
+ foo destroy
+} -returnCodes 1 -result {may not change a non-class object into a class object}
+test oo-13.3 {OO: changing an object's class} -body {
+ oo::class create foo
+ oo::define foo self.class oo::object
+} -cleanup {
+ foo destroy
+} -returnCodes 1 -result {may not change a class object into a non-class object}
+# todo: changing a class subtype (metaclass) to another class subtype
+
+test oo-14.1 {OO: mixins} {
+ oo::class create Aclass
+ oo::define Aclass method bar {} {lappend ::result "[self object] in bar"}
+ oo::class create Bclass
+ oo::define Bclass method boo {} {lappend ::result "[self object] in boo"}
+ oo::define [Aclass create fooTest] mixin Bclass
+ oo::define [Aclass create fooTest2] mixin Bclass
+ set result [list [catch {fooTest ?} msg] $msg]
+ fooTest bar
+ fooTest boo
+ fooTest2 bar
+ fooTest2 boo
+ oo::define fooTest2 mixin
+ lappend result [Bclass destroy] [info command fooTest*] [Aclass destroy]
+} {1 {unknown method "?": must be bar, boo or destroy} {::fooTest in bar} {::fooTest in boo} {::fooTest2 in bar} {::fooTest2 in boo} {} fooTest2 {}}
+test oo-14.2 {OO: mixins} {
+ oo::class create Aclass {
+ method bar {} {return "[self object] in bar"}
+ }
+ oo::class create Bclass {
+ method boo {} {return "[self object] in boo"}
+ }
+ oo::define Aclass mixin Bclass
+ Aclass create fooTest
+ set result [list [catch {fooTest ?} msg] $msg]
+ lappend result [catch {fooTest bar} msg] $msg
+ lappend result [catch {fooTest boo} msg] $msg
+ lappend result [Bclass destroy] [info commands Aclass]
+} {1 {unknown method "?": must be bar, boo or destroy} 0 {::fooTest in bar} 0 {::fooTest in boo} {} {}}
+
+test oo-15.1 {OO: object cloning} {
+ oo::class create Aclass
+ oo::define Aclass method test {} {lappend ::result [self object]->test}
+ Aclass create Ainstance
+ set result {}
+ Ainstance test
+ oo::define Ainstance copy Binstance
+ Binstance test
+ Ainstance test
+ Ainstance destroy
+ namespace eval foo {
+ oo::define Binstance copy Cinstance
+ Cinstance test
+ }
+ Aclass destroy
+ namespace delete foo
+ lappend result [info commands Binstance]
+} {::Ainstance->test ::Binstance->test ::Ainstance->test ::foo::Cinstance->test {}}
+test oo-15.2 {OO: object cloning} {
+ oo::object create foo
+ oo::define foo {
+ method m x {lappend ::result [self object] >$x<}
+ forward f ::lappend ::result fwd
+ }
+ set result {}
+ foo m 1
+ foo f 2
+ lappend result [oo::define foo copy bar]
+ foo m 3
+ foo f 4
+ bar m 5
+ bar f 6
+ lappend result [foo destroy]
+ bar m 7
+ bar f 8
+ lappend result [bar destroy]
+} {::foo >1< fwd 2 ::bar ::foo >3< fwd 4 ::bar >5< fwd 6 {} ::bar >7< fwd 8 {}}
+catch {foo destroy}
+catch {bar destroy}
+test oo-15.3 {OO: class cloning} {
+ oo::class create foo {
+ method testme {} {lappend ::result [self class]->[self object]}
+ }
+ set result {}
+ foo create baseline
+ baseline testme
+ oo::define foo copy bar
+ baseline testme
+ bar create tester
+ tester testme
+ foo destroy
+ tester testme
+ bar destroy
+ return $result
+} {::foo->::baseline ::foo->::baseline ::bar->::tester ::bar->::tester}
+
+test oo-16.1 {OO: object introspection} -body {
+ info object
+} -returnCodes 1 -result "wrong \# args: should be \"info object objName subcommand ?arg ...?\""
+test oo-16.2 {OO: object introspection} -body {
+ info object NOTANOBJECT class
+} -returnCodes 1 -result {NOTANOBJECT does not refer to an object}
+test oo-16.3 {OO: object introspection} -body {
+ info object oo::object gorp
+} -returnCodes 1 -result {bad subcommand "gorp": must be class, definition, filters, forward, isa, methods, mixins, or vars}
+test oo-16.4 {OO: object introspection} -setup {
+ oo::class create meta { superclass oo::class }
+} -body {
+ list [info object oo::object class] \
+ [info object oo::class class] \
+ [info object oo::object isa class] \
+ [info object oo::object isa metaclass] \
+ [info object meta isa metaclass] \
+ [info object oo::object isa object] \
+ [info object oo::define isa object]
+} -cleanup {
+ meta destroy
+} -result {::oo::class ::oo::class 1 0 1 1 0}
+test oo-16.5 {OO: object introspection} {info object oo::object methods} {}
+test oo-16.6 {OO: object introspection} {
+ oo::object create foo
+ set result [list [info object foo methods]]
+ oo::define foo method bar {} {...}
+ lappend result [info object foo methods] [foo destroy]
+} {{} bar {}}
+test oo-16.7 {OO: object introspection} -setup {
+ oo::object create foo
+} -body {
+ oo::define foo method bar {a {b c} args} {the body}
+ set result [info object foo methods]
+ lappend result [info object foo definition bar]
+} -cleanup {
+ foo destroy
+} -result {bar {{a {b c} args} {the body}}}
+test oo-16.8 {OO: object introspection} {
+ oo::object create foo
+ oo::class create bar
+ oo::define foo mixin bar
+ set result [list [info object foo mixins] \
+ [info object foo isa mixin bar] \
+ [info object foo isa mixin oo::class]]
+ foo destroy
+ bar destroy
+ return $result
+} {::bar 1 0}
+test oo-16.9 {OO: object introspection} {
+ oo::class create Ac
+ oo::class create Bc; oo::define Bc superclass Ac
+ oo::class create Cc; oo::define Cc superclass Bc
+ Cc create D
+ list [info object D isa typeof oo::class] \
+ [info object D isa typeof Ac] [Ac destroy]
+} {0 1 {}}
+test oo-16.10 {OO: object introspection} -setup {
+ oo::object create foo
+} -body {
+ oo::define foo export eval
+ foo eval {variable c 3 a 1 b 2 ddd 4 e}
+ lsort [info object foo vars ?]
+} -cleanup {
+ foo destroy
+} -result {a b c}
+
+test oo-17.1 {OO: class introspection} -body {
+ info class
+} -returnCodes 1 -result "wrong \# args: should be \"info class className subcommand ?arg ...?\""
+test oo-17.2 {OO: class introspection} -body {
+ info class NOTANOBJECT gorp
+} -returnCodes 1 -result {NOTANOBJECT does not refer to an object}
+test oo-17.3 {OO: class introspection} -setup {
+ oo::object create foo
+} -body {
+ info class foo gorp
+} -returnCodes 1 -cleanup {
+ foo destroy
+} -result {"foo" is not a class}
+test oo-17.4 {OO: class introspection} -body {
+ info class oo::object gorp
+} -returnCodes 1 -result {bad subcommand "gorp": must be constructor, definition, destructor, filters, forward, instances, methods, mixins, subclasses, or superclasses}
+test oo-17.5 {OO: class introspection} -setup {
+ oo::class create testClass
+} -body {
+ testClass create foo
+ testClass create bar
+ testClass create spong
+ lsort [info class testClass instances]
+} -cleanup {
+ testClass destroy
+} -result {::bar ::foo ::spong}
+test oo-17.6 {OO: object introspection} -setup {
+ oo::class create foo
+} -body {
+ oo::define foo method bar {a {b c} args} {the body}
+ set result [info class foo methods]
+ lappend result [info class foo definition bar]
+} -cleanup {
+ foo destroy
+} -result {bar {{a {b c} args} {the body}}}
+test oo-17.7 {OO: object introspection} {
+ info class oo::class superclasses
+} ::oo::object
+test oo-17.8 {OO: object introspection} -setup {
+ oo::class create testClass
+ oo::class create superClass1
+ oo::class create superClass2
+} -body {
+ oo::define testClass superclass superClass1 superClass2
+ list [info class testClass superclasses] \
+ [lsort [info class oo::object subclass ::superClass?]]
+} -cleanup {
+ testClass destroy
+ superClass1 destroy
+ superClass2 destroy
+} -result {{::superClass1 ::superClass2} {::superClass1 ::superClass2}}
+
+test oo-18.1 {OO: define command support} {
+ list [catch {oo::define oo::object {error foo}} msg] $msg $errorInfo
+} {1 foo {foo
+ while executing
+"error foo"
+ (in definition script for object "oo::object" line 1)
+ invoked from within
+"oo::define oo::object {error foo}"}}
+test oo-18.2 {OO: define command support} {
+ list [catch {oo::define oo::object error foo} msg] $msg $errorInfo
+} {1 foo {foo
+ while executing
+"oo::define oo::object error foo"}}
+test oo-18.3 {OO: define command support} {
+ list [catch {oo::class create foo {error bar}} msg] $msg $errorInfo
+} {1 bar {bar
+ while executing
+"error bar"
+ (in definition script for object "::foo" line 1)
+ invoked from within
+"oo::class create foo {error bar}"}}
+test oo-18.4 {OO: more error traces from the guts} -setup {
+ oo::object create obj
+} -body {
+ oo::define obj method bar {} {my eval {error foo}}
+ list [catch {obj bar} msg] $msg $errorInfo
+} -cleanup {
+ obj destroy
+} -result {1 foo {foo
+ while executing
+"error foo"
+ (in "my eval" script line 1)
+ invoked from within
+"my eval {error foo}"
+ (object "::obj" method "bar" line 1)
+ invoked from within
+"obj bar"}}
+test oo-18.5 {OO: more error traces from the guts} -setup {
+ [oo::class create cls] create obj
+ set errorInfo {}
+} -body {
+ oo::define cls {
+ method eval script {next $script}
+ export eval
+ }
+ oo::define obj method bar {} {my eval {error foo}}
+ set result {}
+ lappend result [catch {obj bar} msg] $msg $errorInfo
+ lappend result [catch {obj eval {error bar}} msg] $msg $errorInfo
+} -cleanup {
+ cls destroy
+} -result {1 foo {foo
+ while executing
+"error foo"
+ (in "my eval" script line 1)
+ invoked from within
+"next $script"
+ (class "::cls" method "eval" line 1)
+ invoked from within
+"my eval {error foo}"
+ (object "::obj" method "bar" line 1)
+ invoked from within
+"obj bar"} 1 bar {bar
+ while executing
+"error bar"
+ (in "::obj eval" script line 1)
+ invoked from within
+"next $script"
+ (class "::cls" method "eval" line 1)
+ invoked from within
+"obj eval {error bar}"}}
+
+test oo-19.1 {OO: varname method} -setup {
+ oo::object create inst
+ oo::define inst export eval
+ set result {}
+} -body {
+ inst eval {trace add variable x write foo}
+ set ns [inst eval namespace current]
+ proc foo args {
+ global ns result
+ set context [uplevel 1 namespace current]
+ lappend result $args [expr {
+ $ns eq $context ? "ok" : [list $ns ne $context]
+ }] [expr {
+ "${ns}::x" eq [uplevel 1 my varname x] ? "ok" : [list ${ns}::x ne [uplevel 1 my varname x]]
+ }]
+ }
+ lappend result [inst eval set x 0]
+} -cleanup {
+ inst destroy
+ rename foo {}
+} -result {{x {} write} ok ok 0}
+
+test oo-20.1 {OO: variable method} -body {
+ oo::class create testClass {
+ constructor {} {
+ my variable ok
+ set ok {}
+ }
+ }
+ lsort [info object [testClass new] vars]
+} -cleanup {
+ catch {testClass destroy}
+} -result ok
+test oo-20.2 {OO: variable method} -body {
+ oo::class create testClass {
+ constructor {} {
+ my variable a b c
+ set a [set b [set c {}]]
+ }
+ }
+ lsort [info object [testClass new] vars]
+} -cleanup {
+ catch {testClass destroy}
+} -result {a b c}
+test oo-20.3 {OO: variable method} -body {
+ oo::class create testClass {
+ export varname
+ method bar {} {
+ my variable a(b)
+ }
+ }
+ testClass create foo
+ array set [foo varname a] {b c}
+ foo bar
+} -returnCodes 1 -cleanup {
+ catch {testClass destroy}
+} -result {can't define "a(b)": name refers to an element in an array}
+test oo-20.4 {OO: variable method} -body {
+ oo::class create testClass {
+ export varname
+ method bar {} {
+ my variable a(b)
+ }
+ }
+ testClass create foo
+ set [foo varname a] b
+ foo bar
+} -returnCodes 1 -cleanup {
+ catch {testClass destroy}
+} -result {can't define "a(b)": name refers to an element in an array}
+test oo-20.5 {OO: variable method} -body {
+ oo::class create testClass {
+ method bar {} {
+ my variable a::b
+ }
+ }
+ testClass create foo
+ foo bar
+} -returnCodes 1 -cleanup {
+ catch {testClass destroy}
+} -result {variable name "a::b" illegal: must not contain namespace separator}
+test oo-20.6 {OO: variable method} -setup {
+ oo::class create testClass {
+ self.export eval
+ export varname
+ }
+} -body {
+ testClass eval variable a 0
+ oo::define [testClass create foo] method bar {other} {
+ $other variable a
+ set a 3
+ }
+ oo::define [testClass create boo] export variable
+ set [foo varname a] 1
+ set [boo varname a] 2
+ foo bar boo
+ list [testClass eval set a] [set [foo varname a]] [set [boo varname a]]
+} -cleanup {
+ testClass destroy
+} -result {0 1 3}
+test oo-20.7 {OO: variable method} -setup {
+ oo::class create cls
+} -body {
+ oo::define cls {
+ method a {} {
+ my variable {b c} d
+ lappend c $d
+ }
+ method e {} {
+ my variable b d
+ return [list $b $d]
+ }
+ method f {x y} {
+ my variable b d
+ set b $x
+ set d $y
+ }
+ }
+ cls create obj
+ obj f p q
+ obj a
+ obj a
+ obj e
+} -cleanup {
+ cls destroy
+} -result {{p q q} q}
+test oo-20.8 {OO: variable method} -setup {
+ oo::class create cls
+} -body {
+ oo::define cls {
+ constructor {} {
+ namespace eval foo {
+ variable bar 1
+ }
+ }
+ method ns {} {self namespace}
+ method a {} {
+ my variable {foo::bar c} d
+ lappend c $d
+ }
+ method e {} {
+ my variable {foo::bar b} d
+ return [list $b $d]
+ }
+ method f {x} {
+ my variable d
+ set d $x
+ }
+ }
+ cls create obj
+ obj f p
+ obj a
+ obj a
+ list [obj e] [set [obj ns]::foo::bar]
+} -cleanup {
+ cls destroy
+} -result {{{1 p p} p} {1 p p}}
+test oo-20.9 {OO: variable method} -setup {
+ oo::object create obj
+} -body {
+ oo::define obj {
+ method a {} {
+ my variable {a ::b}
+ }
+ }
+ obj a
+} -cleanup {
+ obj destroy
+} -returnCodes 1 -result {variable name "::b" illegal: must not contain namespace separator}
+
+test oo-21.1 {OO: inheritance ordering} -setup {
+ oo::class create A
+} -body {
+ oo::define A method m {} {lappend ::result A}
+ oo::class create B {
+ superclass A
+ method m {} {lappend ::result B;next}
+ }
+ oo::class create C {
+ superclass A
+ method m {} {lappend ::result C;next}
+ }
+ oo::class create D {
+ superclass B C
+ method m {} {lappend ::result D;next}
+ }
+ D create o
+ oo::define o method m {} {lappend ::result o;next}
+ set result {}
+ o m
+ return $result
+} -cleanup {
+ A destroy
+} -result {o D B C A}
+test oo-21.2 {OO: inheritance ordering} -setup {
+ oo::class create A
+} -body {
+ oo::define A method m {} {lappend ::result A}
+ oo::class create B {
+ superclass A
+ method m {} {lappend ::result B;next}
+ }
+ oo::class create C {
+ superclass A
+ method m {} {lappend ::result C;next}
+ }
+ oo::class create D {
+ superclass B C
+ method m {} {lappend ::result D;next}
+ }
+ oo::class create Emix {
+ superclass C
+ method m {} {lappend ::result Emix;next}
+ }
+ oo::class create Fmix {
+ superclass Emix
+ method m {} {lappend ::result Fmix;next}
+ }
+ D create o
+ oo::define o method m {} {lappend ::result o;next}
+ oo::define o mixin Fmix
+ set result {}
+ o m
+ return $result
+} -cleanup {
+ A destroy
+} -result {Fmix Emix o D B C A}
+test oo-21.3 {OO: inheritance ordering} -setup {
+ oo::class create A
+} -body {
+ oo::define A method m {} {lappend ::result A}
+ oo::class create B {
+ superclass A
+ method m {} {lappend ::result B;next}
+ method f {} {lappend ::result B-filt;next}
+ }
+ oo::class create C {
+ superclass A
+ method m {} {lappend ::result C;next}
+ }
+ oo::class create D {
+ superclass B C
+ method m {} {lappend ::result D;next}
+ }
+ oo::class create Emix {
+ superclass C
+ method m {} {lappend ::result Emix;next}
+ method f {} {lappend ::result Emix-filt;next}
+ }
+ oo::class create Fmix {
+ superclass Emix
+ method m {} {lappend ::result Fmix;next}
+ }
+ D create o
+ oo::define o {
+ method m {} {lappend ::result o;next}
+ mixin Fmix
+ filter f
+ }
+ set result {}
+ o m
+ return $result
+} -cleanup {
+ A destroy
+} -result {Emix-filt B-filt Fmix Emix o D B C A}
+test oo-21.4 {OO: inheritance ordering} -setup {
+ oo::class create A
+} -body {
+ oo::define A method m {} {lappend ::result A}
+ oo::class create B {
+ superclass A
+ method m {} {lappend ::result B;next}
+ method f {} {lappend ::result B-filt;next}
+ method g {} {lappend ::result B-cfilt;next}
+ }
+ oo::class create C {
+ superclass A
+ method m {} {lappend ::result C;next}
+ }
+ oo::class create D {
+ superclass B C
+ method m {} {lappend ::result D;next}
+ method g {} {lappend ::result D-cfilt;next}
+ filter g
+ }
+ oo::class create Emix {
+ superclass C
+ method m {} {lappend ::result Emix;next}
+ method f {} {lappend ::result Emix-filt;next}
+ }
+ oo::class create Fmix {
+ superclass Emix
+ method m {} {lappend ::result Fmix;next}
+ }
+ D create o
+ oo::define o {
+ method m {} {lappend ::result o;next}
+ mixin Fmix
+ filter f
+ }
+ set result {}
+ o m
+ return $result
+} -cleanup {
+ A destroy
+} -result {Emix-filt B-filt D-cfilt B-cfilt Fmix Emix o D B C A}
+
+cleanupTests
+return
+
+# Local Variables:
+# mode: tcl
+# End: