# Commands covered:  pid
#
# 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) 1991-1993 The Regents of the University of California.
# All rights reserved.
#
# Permission is hereby granted, without written agreement and without
# license or royalty fees, to use, copy, modify, and distribute this
# software and its documentation for any purpose, provided that the
# above copyright notice and the following two paragraphs appear in
# all copies of this software.
#
# IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
# DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
# OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
# CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
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# $Header: /user6/ouster/tcl/tests/RCS/pid.test,v 1.1 93/05/15 16:06:39 ouster Exp $ (Berkeley)

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

catch {exec rm -f test1}

test open-1.1 {pid command} {
    regexp {^[0-9]+$} [pid]
} 1
test open-1.2 {pid command} {
    set f [open {| echo foo | cat > /dev/null} w]
    set pids [pid $f]
    close $f
    list [llength $pids] [regexp {^[0-9]+$} [lindex $pids 0]] \
	    [regexp {^[0-9]+$} [lindex $pids 1]] \
	    [expr {[lindex $pids 0] == [lindex $pids 1]}]
} {2 1 1 0}
test open-1.3 {pid command} {
    set f [open test1 w]
    set pids [pid $f]
    close $f
    set pids
} {}
test open-1.4 {pid command} {
    list [catch {pid a b} msg] $msg
} {1 {wrong # args: should be "pid ?fileId?"}}
test open-1.5 {pid command} {
    list [catch {pid gorp} msg] $msg
} {1 {bad file identifier "gorp"}}

catch {exec rm -f test1}
concat {}