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#
# pipe.test
#
# Tests for the pipe command.
#---------------------------------------------------------------------------
# Copyright 1992-1999 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: pipe.test,v 1.3 2002/04/04 06:10:30 hobbs Exp $
#------------------------------------------------------------------------------
#
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 "The pipe commands test require fork, which does not work under Tk."
puts "Test skipped."
puts "******************************************************************"
return
}
# FIX: Need win95 tests for pipe.
#
# Create child process to read from the pipe and write a message
# back.
#
proc PipeChild {id numRecs readChan} {
flush stdout ;# Not going to exec, must clean up the buffers.
flush stderr
set pid [fork]
if {$pid != 0} {
return $pid
}
for {set cnt 0} {$cnt < $numRecs} {incr cnt} {
Test filecmds-4.1 {pipe tests} {
if {![gets $readChan msgBuf]} {
set msgBuf "Premature eof on pipe"
set cnt $numRecs
}
set msgBuf
} 0 [GenRec $cnt]
}
close $readChan
exit 0
}
test pipe-1.1 {pipe tests} {
list [catch {pipe x y z} msg] $msg
} {1 {wrong # args: pipe ?fileId_var_r fileId_var_w?}}
test pipe-1.2 {pipe tests} {unixOnly} {
pipe readChan writeChan
set pid [PipeChild pipe-1.3 50 $readChan]
for {set cnt 0} {$cnt < 50} {incr cnt} {
puts $writeChan [GenRec $cnt]
}
flush $writeChan
Test pipe-1.32 {pipe tests} {
wait $pid
} 0 [list $pid EXIT 0]
close $readChan
close $writeChan
} {}
# cleanup
::tcltest::cleanupTests
return
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