#
# chroot.test
#
# Tests for the chroot command.
#---------------------------------------------------------------------------
# Copyright 1993-1999 Karl Lehenbauer and Mark Diekhans.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose and without fee is hereby granted, provided
# that the above copyright notice appear in all copies.  Karl Lehenbauer and
# Mark Diekhans make no representations about the suitability of this
# software for any purpose.  It is provided "as is" without express or
# implied warranty.
#------------------------------------------------------------------------------
# $Id: 
#------------------------------------------------------------------------------
#

if {[cequal [info procs Test] {}]} {
    source [file join [file dirname [info script]] testlib.tcl]
}

#
# Fork without exec will not work under Tk, skip this test
#
if {[info exists tk_version]} {
    puts "*************************************************************"
    puts "Chroot tests are constructed in a way that does not work"
    puts "under Tk.  Test skipped."
    puts "*************************************************************"
    return
}

test chroot-1.1 {chroot tests} {unixOnly} {
    list [catch {chroot} msg] $msg
} {1 {wrong # args: chroot path}}

test chroot-1.2 {chroot tests} {unixOnly} {
    list [catch {chroot a b} msg] $msg
} {1 {wrong # args: chroot path}}

test chroot-1.3 {chroot tests} {pcOnly} {
    list [catch {chroot a} msg] $msg
} {1 {chroot is not available on MS Windows}}

#
# Actually doing something real with chroot only makes sense on unix.
#
if ![cequal $tcl_platform(platform) "unix"] {
    # cleanup
    ::tcltest::cleanupTests
    return
}

if {[id user] != "root"} {
    puts "*******************************************************************"
    puts "You are not running as `root', certain chroot tests will be skipped"
    puts "*******************************************************************"
    # cleanup
    ::tcltest::cleanupTests
    return
}

#
# clean up and create an empty test directory
#
set CHROOTDIR __CHROOTDIR.TEST
catch {file delete -force $CHROOTDIR}
file mkdir $CHROOTDIR

#
# since you can't chroot back up, we spawn a child process to do the
# actual chroot
#
set pid [fork]

#
# parent waits for child to complete
#
if {$pid > 0} {
    wait $pid
    file delete -force $CHROOTDIR
    # cleanup
    ::tcltest::cleanupTests
    return
}

#
# child tests chroot then exits
#
test chroot-2.1 {chroot tests} {isRoot} {
    chroot $CHROOTDIR
    glob -nocomplain /*
} {}

# cleanup
::tcltest::cleanupTests
exit