# 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.# Copyright (c) 1994-1995 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: pid.test,v 1.8 2003/02/25 22:03:45 andreas_kupries Exp $if {[lsearch [namespace children] ::tcltest] == -1} {    package require tcltest    namespace import -force ::tcltest::*}# If pid is not defined just return with no error# Some platforms may not have the pid command implementedif {[info commands pid] == ""} {    puts "pid is not implemented for this machine"    ::tcltest::cleanupTests    return}catch {removeFile test1}set path(test1) [makeFile {} test1]test pid-1.1 {pid command} {    regexp {(^[0-9]+$)|(^0x[0-9a-fA-F]+$)} [pid]} 1test pid-1.2 {pid command} {unixOrPc unixExecs} {    set f [open [format {| echo foo | cat {>%s}} $path(test1)] w]    set pids [pid $f]    close $f    catch {removeFile test1}    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 pid-1.3 {pid command} {    set f [open $path(test1) w]    set pids [pid $f]    close $f    set pids} {}test pid-1.4 {pid command} {    list [catch {pid a b} msg] $msg} {1 {wrong # args: should be "pid ?channelId?"}}test pid-1.5 {pid command} {    list [catch {pid gorp} msg] $msg} {1 {can not find channel named "gorp"}}# cleanupcatch {::tcltest::removeFile test1}::tcltest::cleanupTestsreturn