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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.
#
# 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 1.1.1.1 2002-01-16 10:25:36 markom Exp $

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

# Figure out what extension is used for shared libraries on this
# platform.

if {$tcl_platform(platform) == "macintosh"} {
    puts "can't run dynamic library tests on macintosh machines"
    return
}
set ext [info sharedlibextension]
set testDir [file join [file dirname [info nameofexecutable]] dltest]
if ![file readable [file join $testDir pkga$ext]] {
    puts "libraries in $testDir haven't been compiled: skipping tests"
    return
}

if [string match *pkga* [set alreadyLoaded [info loaded]]] {
    puts "load tests have already been run once:  skipping (can't rerun)"
    return
}

set alreadyTotalLoaded [info loaded]

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 {couldn't find slave interpreter named "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} {
    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} {
    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} {
    list [catch {load [file join $testDir pkgc$ext] foo} msg] $msg
} {1 {couldn't find procedure Foo_Init}}
test load-2.4 {loading with no _SafeInit procedure} {
    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 [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
"load [file join $testDir pkge$ext] pkge"} {POSIX ENOENT {no such file or directory}}}
test load-3.2 {error in _Init procedure, slave interpreter} {
    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
"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 [catch {load [file join $testDir pkga$ext] pkga} msg] $msg
} {0 {}}
test load-4.2 {reloading package into same interpreter} {
    list [catch {load [file join $testDir pkga$ext] pkgb} msg] $msg
} "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} {
    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
} "{[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} {nonPortable} {
    catch {load foo foo}
} {1}

if {[info command teststaticpkg] != ""} {
    test load-7.1 {Tcl_StaticPackage procedure} {
        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} {
        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} {
        set x "not loaded"
        teststaticpkg More 0 1
        load {} More
        set x
    } {not loaded}
    test load-7.4 {Tcl_StaticPackage procedure, redundant calls} {
        teststaticpkg Double 0 1
        teststaticpkg Double 0 1
        info loaded
    } "{{} Double} {{} More} {{} Another} {{} Test} {[file join $testDir pkge$ext] Pkge} {[file join $testDir pkgb$ext] Pkgb} {[file join $testDir pkga$ext] Pkga} $alreadyTotalLoaded"

    test load-8.1 {TclGetLoadedPackages procedure} {
        info loaded
    } "{{} Double} {{} More} {{} Another} {{} Test} {[file join $testDir pkge$ext] Pkge} {[file join $testDir pkgb$ext] Pkgb} {[file join $testDir pkga$ext] Pkga} $alreadyTotalLoaded"
    test load-8.2 {TclGetLoadedPackages procedure} {
        list [catch {info loaded gorp} msg] $msg
    } {1 {couldn't find slave interpreter named "gorp"}}
    test load-8.3 {TclGetLoadedPackages procedure} {
        list [info loaded {}] [info loaded child]
    } "{{{} Double} {{} More} {{} Another} {{} Test} {[file join $testDir pkga$ext] Pkga} $alreadyLoaded} {{{} Test} {[file join $testDir pkgb$ext] Pkgb}}"
    test load-8.4 {TclGetLoadedPackages procedure} {
        load [file join $testDir pkgb$ext] pkgb
        list [info loaded {}] [lsort [info commands pkgb_*]]
    } "{{[file join $testDir pkgb$ext] Pkgb} {{} Double} {{} More} {{} Another} {{} Test} {[file join $testDir pkga$ext] Pkga} $alreadyLoaded} {pkgb_sub pkgb_unsafe}"
    interp delete child
}