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[/] [or1k/] [trunk/] [insight/] [tcl/] [tests/] [var.test] - Rev 1765

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# This file contains tests for the tclVar.c source file. Tests appear in
# the same order as the C code that they test. The set of tests is
# currently incomplete since it currently includes only new tests for
# code changed for the addition of Tcl namespaces. Other variable-
# related tests appear in several other test files including
# namespace.test, set.test, trace.test, and upvar.test.
#
# Sourcing this file into Tcl runs the tests and generates output for
# errors. No output means no errors were found.
#
# Copyright (c) 1997 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: var.test,v 1.1.1.1 2002-01-16 10:25:36 markom Exp $
#

if {[string compare test [info procs test]] == 1} then {source defs}

catch {rename p ""}
catch {namespace delete test_ns_var}
catch {unset xx}
catch {unset x}
catch {unset y}
catch {unset i}
catch {unset a}
catch {unset arr}

test var-1.1 {TclLookupVar, TCL_PARSE_PART1 flag set} {
    catch {unset a}
    set x "incr"  ;# force no compilation and runtime call to Tcl_IncrCmd 
    set i 10
    set arr(foo) 37
    list [$x i] $i [$x arr(foo)] $arr(foo)
} {11 11 38 38}
test var-1.2 {TclLookupVar, TCL_GLOBAL_ONLY implies global namespace var} {
    set x "global value"
    namespace eval test_ns_var {
        variable x "namespace value"
        proc p {} {
            global x  ;# specifies TCL_GLOBAL_ONLY to get global x
            return $x
        }
    }
    test_ns_var::p
} {global value}
test var-1.3 {TclLookupVar, TCL_NAMESPACE_ONLY implies namespace var} {
    namespace eval test_ns_var {
        proc q {} {
            variable x  ;# specifies TCL_NAMESPACE_ONLY to get namespace x
            return $x
        }
    }
    test_ns_var::q
} {namespace value}
test var-1.4 {TclLookupVar, no active call frame implies global namespace var} {
    set x
} {global value}
test var-1.5 {TclLookupVar, active call frame pushed for namespace eval implies namespace var} {
    namespace eval test_ns_var {set x}
} {namespace value}
test var-1.6 {TclLookupVar, name starts with :: implies some namespace var} {
    namespace eval test_ns_var {set ::x}
} {global value}
test var-1.7 {TclLookupVar, error finding namespace var} {
    list [catch {set a:::b} msg] $msg
} {1 {can't read "a:::b": no such variable}}
test var-1.8 {TclLookupVar, error finding namespace var} {
    list [catch {set ::foobarfoo} msg] $msg
} {1 {can't read "::foobarfoo": no such variable}}
test var-1.9 {TclLookupVar, create new namespace var} {
    namespace eval test_ns_var {
        set v hello
    }
} {hello}
test var-1.10 {TclLookupVar, create new namespace var} {
    catch {unset y}
    namespace eval test_ns_var {
        set ::y 789
    }
    set y
} {789}
test var-1.11 {TclLookupVar, error creating new namespace var} {
    namespace eval test_ns_var {
        list [catch {set ::test_ns_var::foo::bar 314159} msg] $msg
    }
} {1 {can't set "::test_ns_var::foo::bar": parent namespace doesn't exist}}
test var-1.12 {TclLookupVar, error creating new namespace var} {
    namespace eval test_ns_var {
        list [catch {set ::test_ns_var::foo:: 1997} msg] $msg
    }
} {1 {can't set "::test_ns_var::foo::": parent namespace doesn't exist}}
test var-1.13 {TclLookupVar, new namespace var is created in a particular namespace} {
    catch {unset aNeWnAmEiNnS}
    namespace eval test_ns_var {
        namespace eval test_ns_var2::test_ns_var3 {
            set aNeWnAmEiNnS 77777
        }
        # namespace which builds a name by traversing nsPtr chain to ::
        namespace which -variable test_ns_var2::test_ns_var3::aNeWnAmEiNnS
    }
} {::test_ns_var::test_ns_var2::test_ns_var3::aNeWnAmEiNnS}
test var-1.14 {TclLookupVar, namespace code ignores ":"s in middle and end of var names} {
    namespace eval test_ns_var {
        set : 123
        set v: 456
        set x:y: 789
        list [set :] [set v:] [set x:y:] \
             ${:} ${v:} ${x:y:} \
             [expr {[lsearch [info vars] :] != -1}] \
             [expr {[lsearch [info vars] v:] != -1}] \
             [expr {[lsearch [info vars] x:y:] != -1}]
    }
} {123 456 789 123 456 789 1 1 1}

test var-2.1 {Tcl_LappendObjCmd, create var if new} {
    catch {unset x}
    lappend x 1 2
} {1 2}

test var-3.1 {MakeUpvar, TCL_NAMESPACE_ONLY not specified for other var} {
    catch {unset x}
    set x 1997
    proc p {} {
        global x  ;# calls MakeUpvar with TCL_NAMESPACE_ONLY for other var x
        return $x
    }
    p
} {1997}
test var-3.2 {MakeUpvar, other var has TCL_NAMESPACE_ONLY specified} {
    namespace eval test_ns_var {
        catch {unset v}
        variable v 1998
        proc p {} {
            variable v  ;# TCL_NAMESPACE_ONLY specified for other var x
            return $v
        }
        p
    }
} {1998}
if {[info commands testupvar] != {}} {
    test var-3.3 {MakeUpvar, my var has TCL_GLOBAL_ONLY specified} {
        catch {unset a}
        set a 123321
        proc p {} {
            # create global xx linked to global a
            testupvar 1 a {} xx global 
        }
        list [p] $xx [set xx 789] $a
    } {{} 123321 789 789}
    test var-3.4 {MakeUpvar, my var has TCL_NAMESPACE_ONLY specified} {
        catch {unset a}
        set a 456
        namespace eval test_ns_var {
            catch {unset ::test_ns_var::vv}
            proc p {} {
                # create namespace var vv linked to global a
                testupvar 1 a {} vv namespace 
            }
            p
        }
        list $test_ns_var::vv [set test_ns_var::vv 123] $a
    } {456 123 123}
}
test var-3.5 {MakeUpvar, no call frame so my var will be in global :: ns} {
    catch {unset aaaaa}
    catch {unset xxxxx}
    set aaaaa 77777
    upvar #0 aaaaa xxxxx
    list [set xxxxx] [set aaaaa]
} {77777 77777}
test var-3.6 {MakeUpvar, active call frame pushed for namespace eval} {
    catch {unset a}
    set a 121212
    namespace eval test_ns_var {
        upvar ::a vvv
        set vvv
    }
} {121212}
test var-3.7 {MakeUpvar, my var has ::s} {
    catch {unset a}
    set a 789789
    upvar #0 a test_ns_var::lnk
    namespace eval test_ns_var {
        set lnk
    }
} {789789}
test var-3.8 {MakeUpvar, my var already exists in global ns} {
    catch {unset aaaaa}
    catch {unset xxxxx}
    set aaaaa 456654
    set xxxxx hello
    upvar #0 aaaaa xxxxx
    set xxxxx
} {hello}
test var-3.9 {MakeUpvar, my var has invalid ns name} {
    catch {unset aaaaa}
    set aaaaa 789789
    list [catch {upvar #0 aaaaa test_ns_fred::lnk} msg] $msg
} {1 {bad variable name "test_ns_fred::lnk": unknown namespace}}

if {[info commands testgetvarfullname] != {}} {
    test var-4.1 {Tcl_GetVariableName, global variable} {
        catch {unset a}
        set a 123
        testgetvarfullname a global
    } ::a
    test var-4.2 {Tcl_GetVariableName, namespace variable} {
        namespace eval test_ns_var {
            variable george
            testgetvarfullname george namespace
        }
    } ::test_ns_var::george
    test var-4.3 {Tcl_GetVariableName, variable can't be array element} {
        catch {unset a}
        set a(1) foo
        list [catch {testgetvarfullname a(1) global} msg] $msg
    } {1 {unknown variable "a(1)"}}
}

test var-5.1 {Tcl_GetVariableFullName, global variable} {
    catch {unset a}
    set a bar
    namespace which -variable a
} {::a}
test var-5.2 {Tcl_GetVariableFullName, namespace variable} {
    namespace eval test_ns_var {
        variable martha
        namespace which -variable martha
    }
} {::test_ns_var::martha}
test var-5.3 {Tcl_GetVariableFullName, namespace variable} {
    namespace which -variable test_ns_var::martha
} {::test_ns_var::martha}

test var-6.1 {Tcl_GlobalObjCmd, variable is qualified by a namespace name} {
    namespace eval test_ns_var {
        variable boeing 777
    }
    proc p {} {
        global ::test_ns_var::boeing
        set boeing
    }
    p
} {777}
test var-6.2 {Tcl_GlobalObjCmd, variable is qualified by a namespace name} {
    namespace eval test_ns_var {
        namespace eval test_ns_nested {
            variable java java
        }
        proc p {} {
            global ::test_ns_var::test_ns_nested::java
            set java
        }
    }
    test_ns_var::p
} {java}
test var-6.3 {Tcl_GlobalObjCmd, variable named {} qualified by a namespace name} {
    set ::test_ns_var::test_ns_nested:: 24
    proc p {} {
        global ::test_ns_var::test_ns_nested::
        set {}
    }
    p
} {24}

test var-7.1 {Tcl_VariableObjCmd, create and initialize one new ns variable} {
    catch {namespace delete test_ns_var}
    namespace eval test_ns_var {
        variable one 1
    }
    list [info vars test_ns_var::*] [set test_ns_var::one]
} {::test_ns_var::one 1}
test var-7.2 {Tcl_VariableObjCmd, if new and no value, leave undefined} {
    set two 2222222
    namespace eval test_ns_var {
        variable two
    }
    list [info exists test_ns_var::two] [catch {set test_ns_var::two} msg] $msg
} {0 1 {can't read "test_ns_var::two": no such variable}}
test var-7.3 {Tcl_VariableObjCmd, "define" var already created above} {
    namespace eval test_ns_var {
        variable two 2
    }
    list [info vars test_ns_var::*] \
         [namespace eval test_ns_var {set two}]
} {{::test_ns_var::two ::test_ns_var::one} 2}
test var-7.4 {Tcl_VariableObjCmd, list of vars} {
    namespace eval test_ns_var {
        variable three 3 four 4
    }
    list [info vars test_ns_var::*] \
         [namespace eval test_ns_var {expr $three+$four}]
} {{::test_ns_var::four ::test_ns_var::three ::test_ns_var::two ::test_ns_var::one} 7}
test var-7.5 {Tcl_VariableObjCmd, value for last var is optional} {
    catch {unset a}
    catch {unset five}
    catch {unset six}
    set a ""
    set five 555
    set six  666
    namespace eval test_ns_var {
        variable five 5 six
        lappend a $five
    }
    lappend a $test_ns_var::five \
        [set test_ns_var::six 6] [set test_ns_var::six] $six
    catch {unset five}
    catch {unset six}
    set a
} {5 5 6 6 666}
catch {unset newvar}
test var-7.6 {Tcl_VariableObjCmd, variable name can be qualified} {
    namespace eval test_ns_var {
        variable ::newvar cheers!
    }
    set newvar
} {cheers!}
catch {unset newvar}
test var-7.7 {Tcl_VariableObjCmd, bad var name} {
    namespace eval test_ns_var {
        list [catch {variable sev:::en 7} msg] $msg
    }
} {1 {can't define "sev:::en": parent namespace doesn't exist}}
test var-7.8 {Tcl_VariableObjCmd, if var already exists and no value is given, leave value unchanged} {
    set a ""
    namespace eval test_ns_var {
        variable eight 8
        lappend a $eight
        variable eight
        lappend a $eight
    }
    set a
} {8 8}
test var-7.9 {Tcl_VariableObjCmd, mark as namespace var so var persists until namespace is destroyed or var is unset} {
    catch {namespace delete test_ns_var2}
    set a ""
    namespace eval test_ns_var2 {
        variable x 123
        variable y
        variable z
    }
    lappend a [info vars test_ns_var2::*]
    lappend a [info exists test_ns_var2::x] [info exists test_ns_var2::y] \
        [info exists test_ns_var2::z]
    lappend a [list [catch {set test_ns_var2::y} msg] $msg]
    lappend a [info vars test_ns_var2::*]
    lappend a [info exists test_ns_var2::y] [info exists test_ns_var2::z]
    lappend a [set test_ns_var2::y hello]
    lappend a [info exists test_ns_var2::y] [info exists test_ns_var2::z]
    lappend a [list [catch {unset test_ns_var2::y} msg] $msg]
    lappend a [info vars test_ns_var2::*]
    lappend a [info exists test_ns_var2::y] [info exists test_ns_var2::z]
    lappend a [list [catch {unset test_ns_var2::z} msg] $msg]
    lappend a [namespace delete test_ns_var2]
    set a
} {{::test_ns_var2::x ::test_ns_var2::y ::test_ns_var2::z} 1 0 0\
{1 {can't read "test_ns_var2::y": no such variable}}\
{::test_ns_var2::x ::test_ns_var2::y ::test_ns_var2::z} 0 0\
hello 1 0\
{0 {}}\
{::test_ns_var2::x ::test_ns_var2::z} 0 0\
{1 {can't unset "test_ns_var2::z": no such variable}}\
{}}
test var-7.10 {Tcl_VariableObjCmd, variable cmd inside proc creates local link var} {
    namespace eval test_ns_var {
        proc p {} {
            variable eight
            list [set eight] [info vars]
        }
        p
    }
} {8 eight}
test var-7.11 {Tcl_VariableObjCmd, variable cmd inside proc creates local link var} {
    proc p {} {   ;# note this proc is at global :: scope
        variable test_ns_var::eight
        list [set eight] [info vars]
    }
    p
} {8 eight}
test var-7.12 {Tcl_VariableObjCmd, variable cmd inside proc creates local link var} {
    namespace eval test_ns_var {
        variable {} {My name is empty}
    }
    proc p {} {   ;# note this proc is at global :: scope
        variable test_ns_var::
        list [set {}] [info vars]
    }
    p
} {{My name is empty} {{}}}

test var-8.1 {TclDeleteVars, "unset" traces are called with fully-qualified var names} {
    catch {namespace delete test_ns_var}
    catch {unset a}
    namespace eval test_ns_var {
        variable v 123
        variable info ""

        proc traceUnset {name1 name2 op} {
            variable info
            set info [concat $info [list $name1 $name2 $op]]
        }

        trace var v u [namespace code traceUnset]
    }
    list [unset test_ns_var::v] $test_ns_var::info
} {{} {test_ns_var::v {} u}}

if {[info commands testsetnoerr] == {}} {
    puts "This application hasn't been compiled with the \"testsetnoerr\""
    puts "command, so I can't test TclSetVar etc."
} else {
test var-9.1 {behaviour of TclSetVar without TCL_LEAVE_ERR_MSG flag} {
        testsetnoerr v 1
} 1
test var-9.2 {behaviour of TclGetVar without TCL_LEAVE_ERR_MSG flag} {
        catch {unset v}
        list [catch {testsetnoerr v} res] $res;
} {1 {before get}}
test var-9.3 {behaviour of TclGetVar without TCL_LEAVE_ERR_MSG flag} {
        catch {unset arr}
        set arr(1) 1;
        list [catch {testsetnoerr arr} res] $res;
} {1 {before get}}
test var-9.4 {behaviour of TclGetVar without TCL_LEAVE_ERR_MSG flag} {
        namespace eval ns {variable v nsv}
        testsetnoerr ns::v;
} nsv;
test var-9.5 {behaviour of TclGetVar without TCL_LEAVE_ERR_MSG flag} {
        catch {namespace delete ns}
        list [catch {testsetnoerr ns::v} res] $res;
} {1 {before get}}
test var-9.6 {behaviour of TclSetVar without TCL_LEAVE_ERR_MSG flag} {
        catch {unset arr}
        set arr(1) 1;
        list [catch {testsetnoerr arr 2} res] $res;
} {1 {before set}}
test var-9.7 {behaviour of TclSetVar without TCL_LEAVE_ERR_MSG flag} {
        catch {unset arr}
        set arr(1) 1;
        list [catch {testsetnoerr arr 2} res] $res;
} {1 {before set}}
test var-9.8 {behaviour of TclSetVar without TCL_LEAVE_ERR_MSG flag} {
    # this test currently fails, should not...
    # (some namespace function resets the interp while it should not)
    catch {namespace delete ns}
    list [catch {testsetnoerr ns::v 1} res] $res;
} {1 {before set}}
test var-9.9 {behaviour of TclSetVar without TCL_LEAVE_ERR_MSG flag} {
    proc readonly args {error "read-only"}
    set v 456
    trace var v w readonly
    list [catch {testsetnoerr v 2} msg] $msg
} {1 {before set}}
}

catch {namespace delete ns}
catch {unset arr}
catch {unset v}

catch {rename p ""}
catch {namespace delete test_ns_var}
catch {namespace delete test_ns_var2}
catch {unset xx}
catch {unset x}
catch {unset y}
catch {unset i}
catch {unset a}
catch {unset xxxxx}
catch {unset aaaaa}

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