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# Commands covered: load
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands. Sourcing this file into Tcl runs the tests and
# generates output for errors. No output means no errors were found.
#
# Copyright (c) 1995 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: load.test,v 1.13 2004/06/19 00:42:35 dgp Exp $
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest 2
namespace import -force ::tcltest::*
}
# Figure out what extension is used for shared libraries on this
# platform.
# Tests require the existence of one of the DLLs in the dltest directory.
set ext [info sharedlibextension]
set testDir [file join [file dirname [info nameofexecutable]] dltest]
set x [file join $testDir pkga$ext]
set dll "[file tail $x]Required"
::tcltest::testConstraint $dll [file readable $x]
# Tests also require that this DLL has not already been loaded.
set loaded "[file tail $x]Loaded"
set alreadyLoaded [info loaded]
::tcltest::testConstraint $loaded \
[expr {![string match *pkga* $alreadyLoaded]}]
set alreadyTotalLoaded [info loaded]
# Certain tests require the 'teststaticpkg' command from tcltest
::tcltest::testConstraint teststaticpkg \
[string compare {} [info commands teststaticpkg]]
test load-1.1 {basic errors} {} {
list [catch {load} msg] $msg
} "1 {wrong \# args: should be \"load fileName ?packageName? ?interp?\"}"
test load-1.2 {basic errors} {} {
list [catch {load a b c d} msg] $msg
} "1 {wrong \# args: should be \"load fileName ?packageName? ?interp?\"}"
test load-1.3 {basic errors} {} {
list [catch {load a b foobar} msg] $msg
} {1 {could not find interpreter "foobar"}}
test load-1.4 {basic errors} {} {
list [catch {load {}} msg] $msg
} {1 {must specify either file name or package name}}
test load-1.5 {basic errors} {} {
list [catch {load {} {}} msg] $msg
} {1 {must specify either file name or package name}}
test load-1.6 {basic errors} {} {
list [catch {load {} Unknown} msg] $msg
} {1 {package "Unknown" isn't loaded statically}}
test load-2.1 {basic loading, with guess for package name} \
[list $dll $loaded] {
load [file join $testDir pkga$ext]
list [pkga_eq abc def] [info commands pkga_*]
} {0 {pkga_eq pkga_quote}}
interp create -safe child
test load-2.2 {loading into a safe interpreter, with package name conversion} \
[list $dll $loaded] {
load [file join $testDir pkgb$ext] pKgB child
list [child eval pkgb_sub 44 13] [catch {child eval pkgb_unsafe} msg] $msg \
[catch {pkgb_sub 12 10} msg2] $msg2
} {31 1 {invalid command name "pkgb_unsafe"} 1 {invalid command name "pkgb_sub"}}
test load-2.3 {loading with no _Init procedure} -constraints [list $dll $loaded] \
-body {
list [catch {load [file join $testDir pkgc$ext] foo} msg] $msg
} -match glob -result {1 {*couldn't find procedure Foo_Init}}
test load-2.4 {loading with no _SafeInit procedure} [list $dll $loaded] {
list [catch {load [file join $testDir pkga$ext] {} child} msg] $msg
} {1 {can't use package in a safe interpreter: no Pkga_SafeInit procedure}}
test load-3.1 {error in _Init procedure, same interpreter} \
[list $dll $loaded] {
list [catch {load [file join $testDir pkge$ext] pkge} msg] \
$msg $errorInfo $errorCode
} {1 {couldn't open "non_existent": no such file or directory} {couldn't open "non_existent": no such file or directory
while executing
"open non_existent"
invoked from within
"if 44 {open non_existent}"
invoked from within
"load [file join $testDir pkge$ext] pkge"} {POSIX ENOENT {no such file or directory}}}
test load-3.2 {error in _Init procedure, slave interpreter} \
[list $dll $loaded] {
catch {interp delete x}
interp create x
set errorCode foo
set errorInfo bar
set result [list [catch {load [file join $testDir pkge$ext] pkge x} msg] \
$msg $errorInfo $errorCode]
interp delete x
set result
} {1 {couldn't open "non_existent": no such file or directory} {couldn't open "non_existent": no such file or directory
while executing
"open non_existent"
invoked from within
"if 44 {open non_existent}"
invoked from within
"load [file join $testDir pkge$ext] pkge x"} {POSIX ENOENT {no such file or directory}}}
test load-4.1 {reloading package into same interpreter} [list $dll $loaded] {
list [catch {load [file join $testDir pkga$ext] pkga} msg] $msg
} {0 {}}
test load-4.2 {reloading package into same interpreter} [list $dll $loaded] {
list [catch {load [file join $testDir pkga$ext] pkgb} msg] $msg
} [list 1 "file \"[file join $testDir pkga$ext]\" is already loaded for package \"Pkga\""]
test load-5.1 {file name not specified and no static package: pick default} \
[list $dll $loaded] {
catch {interp delete x}
interp create x
load [file join $testDir pkga$ext] pkga
load {} pkga x
set result [info loaded x]
interp delete x
set result
} [list [list [file join $testDir pkga$ext] Pkga]]
# On some platforms, like SunOS 4.1.3, these tests can't be run because
# they cause the process to exit.
test load-6.1 {errors loading file} [list $dll $loaded nonPortable] {
catch {load foo foo}
} {1}
test load-7.1 {Tcl_StaticPackage procedure} [list teststaticpkg] {
set x "not loaded"
teststaticpkg Test 1 0
load {} Test
load {} Test child
list [set x] [child eval set x]
} {loaded loaded}
test load-7.2 {Tcl_StaticPackage procedure} [list teststaticpkg] {
set x "not loaded"
teststaticpkg Another 0 0
load {} Another
child eval {set x "not loaded"}
list [catch {load {} Another child} msg] $msg \
[child eval set x] [set x]
} {1 {can't use package in a safe interpreter: no Another_SafeInit procedure} {not loaded} loaded}
test load-7.3 {Tcl_StaticPackage procedure} [list teststaticpkg] {
set x "not loaded"
teststaticpkg More 0 1
load {} More
set x
} {not loaded}
test load-7.4 {Tcl_StaticPackage procedure, redundant calls} \
[list teststaticpkg $dll $loaded] {
teststaticpkg Double 0 1
teststaticpkg Double 0 1
info loaded
} [concat [list {{} Double} {{} More} {{} Another} {{} Test} [list [file join $testDir pkge$ext] Pkge] [list [file join $testDir pkgb$ext] Pkgb] [list [file join $testDir pkga$ext] Pkga]] $alreadyTotalLoaded]
test load-8.1 {TclGetLoadedPackages procedure} [list teststaticpkg $dll $loaded] {
info loaded
} [concat [list {{} Double} {{} More} {{} Another} {{} Test} [list [file join $testDir pkge$ext] Pkge] [list [file join $testDir pkgb$ext] Pkgb] [list [file join $testDir pkga$ext] Pkga]] $alreadyTotalLoaded]
test load-8.2 {TclGetLoadedPackages procedure} [list teststaticpkg] {
list [catch {info loaded gorp} msg] $msg
} {1 {could not find interpreter "gorp"}}
test load-8.3 {TclGetLoadedPackages procedure} [list teststaticpkg $dll $loaded] {
list [info loaded {}] [info loaded child]
} [list [concat [list {{} Double} {{} More} {{} Another} {{} Test} [list [file join $testDir pkga$ext] Pkga]] $alreadyLoaded] [list {{} Test} [list [file join $testDir pkgb$ext] Pkgb]]]
test load-8.4 {TclGetLoadedPackages procedure} [list $dll $loaded teststaticpkg] {
load [file join $testDir pkgb$ext] pkgb
list [info loaded {}] [lsort [info commands pkgb_*]]
} [list [concat [list [list [file join $testDir pkgb$ext] Pkgb] {{} Double} {{} More} {{} Another} {{} Test} [list [file join $testDir pkga$ext] Pkga]] $alreadyLoaded] {pkgb_sub pkgb_unsafe}]
interp delete child
test load-9.1 {Tcl_StaticPackage, load already-loaded package into another interp} \
-constraints {teststaticpkg} \
-setup {
interp create child1
interp create child2
load {} Tcltest child1
load {} Tcltest child2
} \
-body {
child1 eval { teststaticpkg Loadninepointone 0 1 }
child2 eval { teststaticpkg Loadninepointone 0 1 }
list \
[child1 eval { info loaded {} }] \
[child2 eval { info loaded {} }]
} \
-result {{{{} Loadninepointone} {{} Tcltest}} {{{} Loadninepointone} {{} Tcltest}}} \
-cleanup { interp delete child1 ; interp delete child2 }
# cleanup
::tcltest::cleanupTests
return
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