os/persistentdata/persistentstorage/sqlite3api/TEST/TCL/tcldistribution/tests/iogt.test
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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# -*- tcl -*-
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# Commands covered:  transform, and stacking in general
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#
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# This file contains a collection of tests for Giot
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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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# 
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# Copyright (c) 2000 Ajuba Solutions.
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# Copyright (c) 2000 Andreas Kupries.
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# All rights reserved.
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# 
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# RCS: @(#) $Id: iogt.test,v 1.7.2.1 2005/04/14 07:10:57 davygrvy Exp $
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if {[catch {package require tcltest 2.1}]} {
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    puts stderr "Skipping tests in [info script].  tcltest 2.1 required."
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    return
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}
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namespace eval ::tcl::test::iogt {
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    namespace import ::tcltest::cleanupTests
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    namespace import ::tcltest::makeFile
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    namespace import ::tcltest::removeFile
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    namespace import ::tcltest::test
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    namespace import ::tcltest::testConstraint
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    testConstraint testchannel [llength [info commands testchannel]]
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set path(dummy) [makeFile {abcdefghijklmnopqrstuvwxyz0123456789,./?><;'\|":[]\}\{`~!@#$%^&*()_+-=
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} dummy]
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# " capture coloring of quotes
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set path(dummyout) [makeFile {} dummyout]
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set path(__echo_srv__.tcl) [makeFile {
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#!/usr/local/bin/tclsh
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# -*- tcl -*-
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# echo server
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#
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# arguments, options: port to listen on for connections.
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#                     delay till echo of first block
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#                     delay between blocks
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#                     blocksize ...
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set port   [lindex $argv 0]
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set fdelay [lindex $argv 1]
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set idelay [lindex $argv 2]
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set bsizes [lrange $argv 3 end]
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set c      0
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proc newconn {sock rhost rport} {
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    variable fdelay
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    variable c
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    incr   c
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    variable c$c
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    #puts stdout "C $sock $rhost $rport / $fdelay" ; flush stdout
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    upvar 0 c$c conn
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    set conn(after) {}
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    set conn(state) 0
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    set conn(size)  0
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    set conn(data)  ""
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    set conn(delay) $fdelay
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    fileevent  $sock readable [list echoGet $c $sock]
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    fconfigure $sock -translation binary -buffering none -blocking 0
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}
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proc echoGet {c sock} {
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    variable fdelay
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    variable c$c
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    upvar 0 c$c conn
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    if {[eof $sock]} {
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	# one-shot echo
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	exit
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    }
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    append conn(data) [read $sock]
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    #puts stdout "G $c $sock $conn(data) <<$conn(data)>>" ; flush stdout
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    if {$conn(after) == {}} {
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	set conn(after) [after $conn(delay) [list echoPut $c $sock]]
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    }
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}
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proc echoPut {c sock} {
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    variable idelay
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    variable fdelay
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    variable bsizes
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    variable c$c
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    upvar 0 c$c conn
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    if {[string length $conn(data)] == 0} {
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	#puts stdout "C $c $sock" ; flush stdout
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	# auto terminate
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	close $sock
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	exit
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	#set conn(delay) $fdelay
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	return
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    }
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    set conn(delay) $idelay
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    set n [lindex $bsizes $conn(size)]
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    #puts stdout "P $c $sock $n >>" ; flush stdout
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    #puts __________________________________________
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    #parray conn
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    #puts n=<$n>
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    if {[string length $conn(data)] >= $n} {
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	puts -nonewline $sock [string range $conn(data) 0 $n]
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	set conn(data) [string range $conn(data) [incr n] end]
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    }
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    incr conn(size)
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    if {$conn(size) >= [llength $bsizes]} {
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	set conn(size) [expr {[llength $bsizes]-1}]
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    }
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    set conn(after) [after $conn(delay) [list echoPut $c $sock]]
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}
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#fileevent stdin readable {exit ;#cut}
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# main
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socket -server newconn $port
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vwait forever
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} __echo_srv__.tcl]
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########################################################################
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proc fevent {fdelay idelay blocks script data} {
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    # start and initialize an echo server, prepare data
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    # transmission, then hand over to the test script.
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    # this has to start real transmission via 'flush'.
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    # The server is stopped after completion of the test.
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    # fixed port, not so good. lets hope for the best, for now.
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    set port 4000
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    eval exec tclsh __echo_srv__.tcl \
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	    $port $fdelay $idelay $blocks >@stdout &
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    after 500
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    #puts stdout "> $port" ; flush stdout
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    set         sk [socket localhost $port]
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    fconfigure $sk           \
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	    -blocking   0    \
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	    -buffering  full \
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	    -buffersize [expr {10+[llength $data]}]
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    puts -nonewline $sk $data
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    # The channel is prepared to go off.
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    #puts stdout ">>>>>" ; flush stdout
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    uplevel #0 set sock $sk
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    set res [uplevel #0 $script]
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    catch {close $sk}
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    return $res
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}
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# --------------------------------------------------------------
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# utility transformations ...
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proc id {op data} {
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    switch -- $op {
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	create/write -
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	create/read  -
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	delete/write -
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	delete/read  -
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	clear_read   {;#ignore}
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	flush/write -
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	flush/read  -
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	write       -
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	read        {
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	    return $data
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	}
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	query/maxRead {return -1}
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    }
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}
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proc id_optrail {var op data} {
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    variable $var
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    upvar 0 $var trail
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    lappend trail $op
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    switch -- $op {
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	create/write	-	create/read	-
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	delete/write	-	delete/read	-
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	flush/read	-
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	clear/read	{ #ignore }
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	flush/write	-
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	write		-
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	read		{
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	    return $data
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	}
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	query/maxRead	{
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	    return -1
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	}
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	default		{
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	    lappend trail "error $op"
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	    error $op
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	}
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    }
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}
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proc id_fulltrail {var op data} {
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    variable $var
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    upvar 0 $var trail
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    #puts stdout ">> $var $op $data" ; flush stdout
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    switch -- $op {
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	create/write -	create/read  -
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	delete/write -	delete/read  -
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	clear_read   {
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	    set res *ignored*
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	}
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	flush/write -	flush/read  -
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	write       -
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	read        {
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	    set res $data
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	}
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	query/maxRead {
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	    set res -1
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	}
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    }
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    #catch {puts stdout "\t>* $res" ; flush stdout}
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    #catch {puts stdout "x$res"} msg
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    lappend trail [list $op $data $res]
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    return $res
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}
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proc counter {var op data} {
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    variable $var
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    upvar 0 $var n
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    switch -- $op {
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	create/write -	create/read  -
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	delete/write -	delete/read  -
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	clear_read   {;#ignore}
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	flush/write  -	flush/read   {return {}}
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	write {
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	    return $data
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	}
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	read  {
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	    if {$n > 0} {
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		incr n -[string length $data]
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		if {$n < 0} {
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		    set n 0
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		}
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	    }
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	    return $data
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	}
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	query/maxRead {
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	    return $n
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	}
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    }
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}
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proc counter_audit {var vtrail op data} {
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    variable $var
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    variable $vtrail
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    upvar 0 $var n $vtrail trail
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    switch -- $op {
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	create/write -	create/read  -
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	delete/write -	delete/read  -
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	clear_read   {
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	    set res {}
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	}
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	flush/write  -	flush/read   {
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	    set res {}
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	}
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	write {
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	    set res $data
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	}
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	read  {
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	    if {$n > 0} {
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		incr n -[string length $data]
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		if {$n < 0} {
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		    set n 0
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		}
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	    }
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	    set res $data
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	}
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	query/maxRead {
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	    set res $n
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	}
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    }
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    lappend trail [list counter:$op $data $res]
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    return $res
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}
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proc rblocks {var vtrail n op data} {
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    variable $var
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    variable $vtrail
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    upvar 0 $var buf $vtrail trail
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    set res {}
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    switch -- $op {
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	create/write -	create/read  -
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	delete/write -	delete/read  -
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	clear_read   {
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	    set buf {}
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	}
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	flush/write {
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	}
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	flush/read  {
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	    set res $buf
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	    set buf {}
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	}
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	write       {
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	    set data
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	}
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	read        {
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	    append buf $data
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	    set b [expr {$n * ([string length $buf] / $n)}]
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	    append op " $n [string length $buf] :- $b"
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	    set res [string range $buf 0 [incr b -1]]
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	    set buf [string range $buf [incr b] end]
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	    #return $res
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	}
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	query/maxRead {
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	    set res -1
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	}
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    }
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    lappend trail [list rblock | $op $data $res | $buf]
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    return $res
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}
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# --------------------------------------------------------------
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# ... and convenience procedures to stack them
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proc identity {-attach channel} {
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    testchannel transform $channel -command [namespace code id]
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}
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proc audit_ops {var -attach channel} {
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    testchannel transform $channel -command [namespace code [list id_optrail $var]]
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}
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proc audit_flow {var -attach channel} {
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    testchannel transform $channel -command [namespace code [list id_fulltrail $var]]
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}
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proc stopafter {var n -attach channel} {
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    variable $var
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    upvar 0 $var vn
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    set vn $n
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    testchannel transform $channel -command [namespace code [list counter $var]]
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}
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proc stopafter_audit {var trail n -attach channel} {
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    variable $var
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    upvar 0 $var vn
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    set vn $n
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    testchannel transform $channel -command [namespace code [list counter_audit $var $trail]]
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}
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proc rblocks_t {var trail n -attach channel} {
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    testchannel transform $channel -command [namespace code [list rblocks $var $trail $n]]
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}
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# --------------------------------------------------------------
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# serialize an array, with keys in sorted order.
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proc array_sget {v} {
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    upvar $v a
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    set res [list]
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    foreach n [lsort [array names a]] {
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	lappend res $n $a($n)
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    }
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    set res
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}
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proc asort {alist} {
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    # sort a list of key/value pairs by key, removes duplicates too.
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    array set  a $alist
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    array_sget a
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}
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########################################################################
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test iogt-1.1 {stack/unstack} testchannel {
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    set fh [open $path(dummy) r]
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    identity -attach $fh
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    testchannel unstack $fh
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    close   $fh
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} {}
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test iogt-1.2 {stack/close} testchannel {
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    set fh [open $path(dummy) r]
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    identity -attach $fh
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    close   $fh
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} {}
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test iogt-1.3 {stack/unstack, configuration, options} testchannel {
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    set fh [open $path(dummy) r]
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    set ca [asort [fconfigure $fh]]
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    identity -attach $fh
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    set cb [asort [fconfigure $fh]]
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    testchannel unstack $fh
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    set cc [asort [fconfigure $fh]]
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    close $fh
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    # With this system none of the buffering, translation and
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    # encoding option may change their values with channels
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    # stacked upon each other or not.
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    # cb == ca == cc
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    list [string equal $ca $cb] [string equal $cb $cc] [string equal $ca $cc]
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} {1 1 1}
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test iogt-1.4 {stack/unstack, configuration} testchannel {
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    set fh [open $path(dummy) r]
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    set ca [asort [fconfigure $fh]]
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    identity -attach $fh
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    fconfigure $fh \
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	    -buffering   line \
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	    -translation cr   \
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	    -encoding    shiftjis
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    testchannel unstack $fh
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    set cc [asort [fconfigure $fh]]
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    set res [list \
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	    [string equal $ca $cc]   \
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	    [fconfigure $fh -buffering]  \
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	    [fconfigure $fh -translation] \
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	    [fconfigure $fh -encoding]    \
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	    ]
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    close $fh
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    set res
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} {0 line cr shiftjis}
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test iogt-2.0 {basic I/O going through transform} testchannel {
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    set fin  [open $path(dummy)    r]
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    set fout [open $path(dummyout) w]
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    identity -attach $fin
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    identity -attach $fout
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   474
    fcopy $fin $fout
sl@0
   475
sl@0
   476
    close $fin
sl@0
   477
    close $fout
sl@0
   478
sl@0
   479
    set fin  [open $path(dummy)    r]
sl@0
   480
    set fout [open $path(dummyout) r]
sl@0
   481
sl@0
   482
    set res     [string equal [set in [read $fin]] [set out [read $fout]]]
sl@0
   483
    lappend res [string length $in] [string length $out]
sl@0
   484
sl@0
   485
    close $fin
sl@0
   486
    close $fout
sl@0
   487
sl@0
   488
    set res
sl@0
   489
} {1 71 71}
sl@0
   490
sl@0
   491
sl@0
   492
test iogt-2.1 {basic I/O, operation trail} {testchannel unixOnly} {
sl@0
   493
    set fin  [open $path(dummy)    r]
sl@0
   494
    set fout [open $path(dummyout) w]
sl@0
   495
sl@0
   496
    set ain [list] ; set aout [list]
sl@0
   497
    audit_ops ain  -attach $fin
sl@0
   498
    audit_ops aout -attach $fout
sl@0
   499
sl@0
   500
    fconfigure $fin  -buffersize 10
sl@0
   501
    fconfigure $fout -buffersize 10
sl@0
   502
sl@0
   503
    fcopy $fin $fout
sl@0
   504
sl@0
   505
    close $fin
sl@0
   506
    close $fout
sl@0
   507
sl@0
   508
    set res "[join $ain \n]\n--------\n[join $aout \n]"
sl@0
   509
} {create/read
sl@0
   510
query/maxRead
sl@0
   511
read
sl@0
   512
query/maxRead
sl@0
   513
read
sl@0
   514
query/maxRead
sl@0
   515
read
sl@0
   516
query/maxRead
sl@0
   517
read
sl@0
   518
query/maxRead
sl@0
   519
read
sl@0
   520
query/maxRead
sl@0
   521
read
sl@0
   522
query/maxRead
sl@0
   523
read
sl@0
   524
query/maxRead
sl@0
   525
read
sl@0
   526
query/maxRead
sl@0
   527
flush/read
sl@0
   528
delete/read
sl@0
   529
--------
sl@0
   530
create/write
sl@0
   531
write
sl@0
   532
write
sl@0
   533
write
sl@0
   534
write
sl@0
   535
write
sl@0
   536
write
sl@0
   537
write
sl@0
   538
write
sl@0
   539
flush/write
sl@0
   540
delete/write}
sl@0
   541
sl@0
   542
test iogt-2.2 {basic I/O, data trail} {testchannel unixOnly} {
sl@0
   543
    set fin  [open $path(dummy)    r]
sl@0
   544
    set fout [open $path(dummyout) w]
sl@0
   545
sl@0
   546
    set ain [list] ; set aout [list]
sl@0
   547
    audit_flow ain  -attach $fin
sl@0
   548
    audit_flow aout -attach $fout
sl@0
   549
sl@0
   550
    fconfigure $fin  -buffersize 10
sl@0
   551
    fconfigure $fout -buffersize 10
sl@0
   552
sl@0
   553
    fcopy $fin $fout
sl@0
   554
sl@0
   555
    close $fin
sl@0
   556
    close $fout
sl@0
   557
sl@0
   558
    set res "[join $ain \n]\n--------\n[join $aout \n]"
sl@0
   559
} {create/read {} *ignored*
sl@0
   560
query/maxRead {} -1
sl@0
   561
read abcdefghij abcdefghij
sl@0
   562
query/maxRead {} -1
sl@0
   563
read klmnopqrst klmnopqrst
sl@0
   564
query/maxRead {} -1
sl@0
   565
read uvwxyz0123 uvwxyz0123
sl@0
   566
query/maxRead {} -1
sl@0
   567
read 456789,./? 456789,./?
sl@0
   568
query/maxRead {} -1
sl@0
   569
read {><;'\|":[]} {><;'\|":[]}
sl@0
   570
query/maxRead {} -1
sl@0
   571
read {\}\{`~!@#$} {\}\{`~!@#$}
sl@0
   572
query/maxRead {} -1
sl@0
   573
read %^&*()_+-= %^&*()_+-=
sl@0
   574
query/maxRead {} -1
sl@0
   575
read {
sl@0
   576
} {
sl@0
   577
}
sl@0
   578
query/maxRead {} -1
sl@0
   579
flush/read {} {}
sl@0
   580
delete/read {} *ignored*
sl@0
   581
--------
sl@0
   582
create/write {} *ignored*
sl@0
   583
write abcdefghij abcdefghij
sl@0
   584
write klmnopqrst klmnopqrst
sl@0
   585
write uvwxyz0123 uvwxyz0123
sl@0
   586
write 456789,./? 456789,./?
sl@0
   587
write {><;'\|":[]} {><;'\|":[]}
sl@0
   588
write {\}\{`~!@#$} {\}\{`~!@#$}
sl@0
   589
write %^&*()_+-= %^&*()_+-=
sl@0
   590
write {
sl@0
   591
} {
sl@0
   592
}
sl@0
   593
flush/write {} {}
sl@0
   594
delete/write {} *ignored*}
sl@0
   595
sl@0
   596
sl@0
   597
test iogt-2.3 {basic I/O, mixed trail} {testchannel unixOnly} {
sl@0
   598
    set fin  [open $path(dummy)    r]
sl@0
   599
    set fout [open $path(dummyout) w]
sl@0
   600
sl@0
   601
    set trail [list]
sl@0
   602
    audit_flow trail -attach $fin
sl@0
   603
    audit_flow trail -attach $fout
sl@0
   604
sl@0
   605
    fconfigure $fin  -buffersize 20
sl@0
   606
    fconfigure $fout -buffersize 10
sl@0
   607
sl@0
   608
    fcopy $fin $fout
sl@0
   609
sl@0
   610
    close $fin
sl@0
   611
    close $fout
sl@0
   612
sl@0
   613
    join $trail \n
sl@0
   614
} {create/read {} *ignored*
sl@0
   615
create/write {} *ignored*
sl@0
   616
query/maxRead {} -1
sl@0
   617
read abcdefghijklmnopqrst abcdefghijklmnopqrst
sl@0
   618
write abcdefghij abcdefghij
sl@0
   619
write klmnopqrst klmnopqrst
sl@0
   620
query/maxRead {} -1
sl@0
   621
read uvwxyz0123456789,./? uvwxyz0123456789,./?
sl@0
   622
write uvwxyz0123 uvwxyz0123
sl@0
   623
write 456789,./? 456789,./?
sl@0
   624
query/maxRead {} -1
sl@0
   625
read {><;'\|":[]\}\{`~!@#$} {><;'\|":[]\}\{`~!@#$}
sl@0
   626
write {><;'\|":[]} {><;'\|":[]}
sl@0
   627
write {\}\{`~!@#$} {\}\{`~!@#$}
sl@0
   628
query/maxRead {} -1
sl@0
   629
read {%^&*()_+-=
sl@0
   630
} {%^&*()_+-=
sl@0
   631
}
sl@0
   632
query/maxRead {} -1
sl@0
   633
flush/read {} {}
sl@0
   634
write %^&*()_+-= %^&*()_+-=
sl@0
   635
write {
sl@0
   636
} {
sl@0
   637
}
sl@0
   638
delete/read {} *ignored*
sl@0
   639
flush/write {} {}
sl@0
   640
delete/write {} *ignored*}
sl@0
   641
sl@0
   642
sl@0
   643
test iogt-3.0 {Tcl_Channel valid after stack/unstack, fevent handling} \
sl@0
   644
	{testchannel unknownFailure} {
sl@0
   645
    # This test to check the validity of aquired Tcl_Channel references is
sl@0
   646
    # not possible because even a backgrounded fcopy will immediately start
sl@0
   647
    # to copy data, without waiting for the event loop. This is done only in
sl@0
   648
    # case of an underflow on the read size!. So stacking transforms after the
sl@0
   649
    # fcopy will miss information, or are not used at all.
sl@0
   650
    #
sl@0
   651
    # I was able to circumvent this by using the echo.tcl server with a big
sl@0
   652
    # delay, causing the fcopy to underflow immediately.
sl@0
   653
sl@0
   654
    proc DoneCopy {n {err {}}} {
sl@0
   655
	variable copy ; set copy 1
sl@0
   656
    }
sl@0
   657
sl@0
   658
    set fin  [open $path(dummy) r]
sl@0
   659
sl@0
   660
    fevent 1000 500 {20 20 20 10 1 1} {
sl@0
   661
	close $fin
sl@0
   662
sl@0
   663
	set          fout [open dummyout w]
sl@0
   664
sl@0
   665
	flush $sock ; # now, or fcopy will error us out
sl@0
   666
	# But the 1 second delay should be enough to
sl@0
   667
	# initialize everything else here.
sl@0
   668
sl@0
   669
	fcopy $sock $fout -command [namespace code DoneCopy]
sl@0
   670
sl@0
   671
	# transform after fcopy got its handles !
sl@0
   672
	# They should be still valid for fcopy.
sl@0
   673
sl@0
   674
	set trail [list]
sl@0
   675
	audit_ops trail -attach $fout
sl@0
   676
sl@0
   677
	vwait [namespace which -variable copy]
sl@0
   678
    } [read $fin] ; # {}
sl@0
   679
sl@0
   680
    close $fout
sl@0
   681
sl@0
   682
    rename DoneCopy {}
sl@0
   683
sl@0
   684
    # Check result of copy.
sl@0
   685
sl@0
   686
    set fin  [open $path(dummy)    r]
sl@0
   687
    set fout [open $path(dummyout) r]
sl@0
   688
sl@0
   689
    set res [string equal [read $fin] [read $fout]]
sl@0
   690
sl@0
   691
    close $fin
sl@0
   692
    close $fout
sl@0
   693
sl@0
   694
    list $res $trail
sl@0
   695
} {1 {create/write create/read write flush/write flush/read delete/write delete/read}}
sl@0
   696
sl@0
   697
sl@0
   698
test iogt-4.0 {fileevent readable, after transform} {testchannel unknownFailure} {
sl@0
   699
    set fin  [open $path(dummy) r]
sl@0
   700
    set data [read $fin]
sl@0
   701
    close $fin
sl@0
   702
sl@0
   703
    set trail [list]
sl@0
   704
    set got   [list]
sl@0
   705
sl@0
   706
    proc Done {args} {
sl@0
   707
	variable stop
sl@0
   708
	set    stop 1
sl@0
   709
    }
sl@0
   710
sl@0
   711
    proc Get {sock} {
sl@0
   712
	variable trail
sl@0
   713
	variable got
sl@0
   714
	if {[eof $sock]} {
sl@0
   715
	    Done
sl@0
   716
	    lappend trail "xxxxxxxxxxxxx"
sl@0
   717
	    close $sock
sl@0
   718
	    return
sl@0
   719
	}
sl@0
   720
	lappend trail "vvvvvvvvvvvvv"
sl@0
   721
	lappend trail "\tgot: [lappend got "\[\[[read $sock]\]\]"]"
sl@0
   722
	lappend trail "============="
sl@0
   723
	#puts stdout $__ ; flush stdout
sl@0
   724
	#read $sock
sl@0
   725
    }
sl@0
   726
sl@0
   727
    fevent 1000 500 {20 20 20 10 1} {
sl@0
   728
	audit_flow trail   -attach $sock
sl@0
   729
	rblocks_t  rbuf trail 23 -attach $sock
sl@0
   730
sl@0
   731
	fileevent $sock readable [list Get $sock]
sl@0
   732
sl@0
   733
	flush $sock ; # now, or fcopy will error us out
sl@0
   734
	# But the 1 second delay should be enough to
sl@0
   735
	# initialize everything else here.
sl@0
   736
sl@0
   737
	vwait [namespace which -variable stop]
sl@0
   738
    } $data
sl@0
   739
sl@0
   740
sl@0
   741
    rename Done {}
sl@0
   742
    rename Get {}
sl@0
   743
sl@0
   744
    join [list [join $got \n] ~~~~~~~~ [join $trail \n]] \n
sl@0
   745
} {[[]]
sl@0
   746
[[abcdefghijklmnopqrstuvw]]
sl@0
   747
[[xyz0123456789,./?><;'\|]]
sl@0
   748
[[]]
sl@0
   749
[[]]
sl@0
   750
[[":[]\}\{`~!@#$%^&*()]]
sl@0
   751
[[]]
sl@0
   752
~~~~~~~~
sl@0
   753
create/write {} *ignored*
sl@0
   754
create/read {} *ignored*
sl@0
   755
rblock | create/write {} {} | {}
sl@0
   756
rblock | create/read {} {} | {}
sl@0
   757
vvvvvvvvvvvvv
sl@0
   758
rblock | query/maxRead {} -1 | {}
sl@0
   759
query/maxRead {} -1
sl@0
   760
read abcdefghijklmnopqrstu abcdefghijklmnopqrstu
sl@0
   761
query/maxRead {} -1
sl@0
   762
rblock | {read 23 21 :- 0} abcdefghijklmnopqrstu {} | abcdefghijklmnopqrstu
sl@0
   763
rblock | query/maxRead {} -1 | abcdefghijklmnopqrstu
sl@0
   764
query/maxRead {} -1
sl@0
   765
	got: {[[]]}
sl@0
   766
=============
sl@0
   767
vvvvvvvvvvvvv
sl@0
   768
rblock | query/maxRead {} -1 | abcdefghijklmnopqrstu
sl@0
   769
query/maxRead {} -1
sl@0
   770
read vwxyz0123456789,./?>< vwxyz0123456789,./?><
sl@0
   771
query/maxRead {} -1
sl@0
   772
rblock | {read 23 42 :- 23} vwxyz0123456789,./?>< abcdefghijklmnopqrstuvw | xyz0123456789,./?><
sl@0
   773
rblock | query/maxRead {} -1 | xyz0123456789,./?><
sl@0
   774
query/maxRead {} -1
sl@0
   775
	got: {[[]]} {[[abcdefghijklmnopqrstuvw]]}
sl@0
   776
=============
sl@0
   777
vvvvvvvvvvvvv
sl@0
   778
rblock | query/maxRead {} -1 | xyz0123456789,./?><
sl@0
   779
query/maxRead {} -1
sl@0
   780
read {;'\|":[]\}\{`~!@#$%^&} {;'\|":[]\}\{`~!@#$%^&}
sl@0
   781
query/maxRead {} -1
sl@0
   782
rblock | {read 23 40 :- 23} {;'\|":[]\}\{`~!@#$%^&} {xyz0123456789,./?><;'\|} | {":[]\}\{`~!@#$%^&}
sl@0
   783
rblock | query/maxRead {} -1 | {":[]\}\{`~!@#$%^&}
sl@0
   784
query/maxRead {} -1
sl@0
   785
	got: {[[]]} {[[abcdefghijklmnopqrstuvw]]} {[[xyz0123456789,./?><;'\|]]}
sl@0
   786
=============
sl@0
   787
vvvvvvvvvvvvv
sl@0
   788
rblock | query/maxRead {} -1 | {":[]\}\{`~!@#$%^&}
sl@0
   789
query/maxRead {} -1
sl@0
   790
read *( *(
sl@0
   791
query/maxRead {} -1
sl@0
   792
rblock | {read 23 19 :- 0} *( {} | {":[]\}\{`~!@#$%^&*(}
sl@0
   793
rblock | query/maxRead {} -1 | {":[]\}\{`~!@#$%^&*(}
sl@0
   794
query/maxRead {} -1
sl@0
   795
	got: {[[]]} {[[abcdefghijklmnopqrstuvw]]} {[[xyz0123456789,./?><;'\|]]} {[[]]}
sl@0
   796
=============
sl@0
   797
vvvvvvvvvvvvv
sl@0
   798
rblock | query/maxRead {} -1 | {":[]\}\{`~!@#$%^&*(}
sl@0
   799
query/maxRead {} -1
sl@0
   800
read ) )
sl@0
   801
query/maxRead {} -1
sl@0
   802
rblock | {read 23 20 :- 0} ) {} | {":[]\}\{`~!@#$%^&*()}
sl@0
   803
rblock | query/maxRead {} -1 | {":[]\}\{`~!@#$%^&*()}
sl@0
   804
query/maxRead {} -1
sl@0
   805
	got: {[[]]} {[[abcdefghijklmnopqrstuvw]]} {[[xyz0123456789,./?><;'\|]]} {[[]]} {[[]]}
sl@0
   806
=============
sl@0
   807
vvvvvvvvvvvvv
sl@0
   808
rblock | query/maxRead {} -1 | {":[]\}\{`~!@#$%^&*()}
sl@0
   809
query/maxRead {} -1
sl@0
   810
flush/read {} {}
sl@0
   811
rblock | flush/read {} {":[]\}\{`~!@#$%^&*()} | {}
sl@0
   812
rblock | query/maxRead {} -1 | {}
sl@0
   813
query/maxRead {} -1
sl@0
   814
	got: {[[]]} {[[abcdefghijklmnopqrstuvw]]} {[[xyz0123456789,./?><;'\|]]} {[[]]} {[[]]} {[[":[]\}\{`~!@#$%^&*()]]}
sl@0
   815
=============
sl@0
   816
vvvvvvvvvvvvv
sl@0
   817
rblock | query/maxRead {} -1 | {}
sl@0
   818
query/maxRead {} -1
sl@0
   819
	got: {[[]]} {[[abcdefghijklmnopqrstuvw]]} {[[xyz0123456789,./?><;'\|]]} {[[]]} {[[]]} {[[":[]\}\{`~!@#$%^&*()]]} {[[]]}
sl@0
   820
xxxxxxxxxxxxx
sl@0
   821
rblock | flush/write {} {} | {}
sl@0
   822
rblock | delete/write {} {} | {}
sl@0
   823
rblock | delete/read {} {} | {}
sl@0
   824
flush/write {} {}
sl@0
   825
delete/write {} *ignored*
sl@0
   826
delete/read {} *ignored*}  ; # catch unescaped quote "
sl@0
   827
sl@0
   828
sl@0
   829
test iogt-5.0 {EOF simulation} {testchannel unknownFailure} {
sl@0
   830
    set fin  [open $path(dummy)    r]
sl@0
   831
    set fout [open $path(dummyout) w]
sl@0
   832
sl@0
   833
    set trail [list]
sl@0
   834
sl@0
   835
    audit_flow trail -attach $fin
sl@0
   836
    stopafter_audit d trail 20 -attach   $fin
sl@0
   837
    audit_flow trail -attach $fout
sl@0
   838
sl@0
   839
    fconfigure $fin  -buffersize 20
sl@0
   840
    fconfigure $fout -buffersize 10
sl@0
   841
sl@0
   842
    fcopy   $fin $fout
sl@0
   843
    testchannel unstack $fin
sl@0
   844
sl@0
   845
    # now copy the rest in the channel
sl@0
   846
    lappend trail {**after unstack**}
sl@0
   847
sl@0
   848
    fcopy $fin $fout
sl@0
   849
sl@0
   850
    close $fin
sl@0
   851
    close $fout
sl@0
   852
sl@0
   853
    join $trail \n
sl@0
   854
} {create/read {} *ignored*
sl@0
   855
counter:create/read {} {}
sl@0
   856
create/write {} *ignored*
sl@0
   857
counter:query/maxRead {} 20
sl@0
   858
query/maxRead {} -1
sl@0
   859
read {abcdefghijklmnopqrstuvwxyz0123456789,./?><;'\|":[]\}\{`~!@#$%^&*()_+-=
sl@0
   860
} {abcdefghijklmnopqrstuvwxyz0123456789,./?><;'\|":[]\}\{`~!@#$%^&*()_+-=
sl@0
   861
}
sl@0
   862
query/maxRead {} -1
sl@0
   863
flush/read {} {}
sl@0
   864
counter:read abcdefghijklmnopqrst abcdefghijklmnopqrst
sl@0
   865
write abcdefghij abcdefghij
sl@0
   866
write klmnopqrst klmnopqrst
sl@0
   867
counter:query/maxRead {} 0
sl@0
   868
counter:flush/read {} {}
sl@0
   869
counter:delete/read {} {}
sl@0
   870
**after unstack**
sl@0
   871
query/maxRead {} -1
sl@0
   872
write uvwxyz0123 uvwxyz0123
sl@0
   873
write 456789,./? 456789,./?
sl@0
   874
write {><;'\|":[]} {><;'\|":[]}
sl@0
   875
write {\}\{`~!@#$} {\}\{`~!@#$}
sl@0
   876
write %^&*()_+-= %^&*()_+-=
sl@0
   877
write {
sl@0
   878
} {
sl@0
   879
}
sl@0
   880
query/maxRead {} -1
sl@0
   881
delete/read {} *ignored*
sl@0
   882
flush/write {} {}
sl@0
   883
delete/write {} *ignored*}
sl@0
   884
sl@0
   885
sl@0
   886
sl@0
   887
sl@0
   888
sl@0
   889
proc constX {op data} {
sl@0
   890
    # replace anything coming in with a same-length string of x'es.
sl@0
   891
    switch -- $op {
sl@0
   892
	create/write -	create/read  -
sl@0
   893
	delete/write -	delete/read  -
sl@0
   894
	clear_read   {;#ignore}
sl@0
   895
	flush/write -	flush/read  -
sl@0
   896
	write       -
sl@0
   897
	read        {
sl@0
   898
	    return [string repeat x [string length $data]]
sl@0
   899
	}
sl@0
   900
	query/maxRead {return -1}
sl@0
   901
    }
sl@0
   902
}
sl@0
   903
sl@0
   904
proc constx {-attach channel} {
sl@0
   905
    testchannel transform $channel -command [namespace code constX]
sl@0
   906
}
sl@0
   907
sl@0
   908
test iogt-6.0 {Push back} testchannel {
sl@0
   909
    set f [open $path(dummy) r]
sl@0
   910
sl@0
   911
    # contents of dummy = "abcdefghi..."
sl@0
   912
    read $f 3 ; # skip behind "abc"
sl@0
   913
sl@0
   914
    constx -attach $f
sl@0
   915
sl@0
   916
    # expect to get "xxx" from the transform because
sl@0
   917
    # of unread "def" input to transform which returns "xxx".
sl@0
   918
    #
sl@0
   919
    # Actually the IO layer pre-read the whole file and will
sl@0
   920
    # read "def" directly from the buffer without bothering
sl@0
   921
    # to consult the newly stacked transformation. This is
sl@0
   922
    # wrong.
sl@0
   923
sl@0
   924
    set res [read $f 3]
sl@0
   925
    close $f
sl@0
   926
    set res
sl@0
   927
} {xxx}
sl@0
   928
sl@0
   929
test iogt-6.1 {Push back and up} {testchannel knownBug} {
sl@0
   930
    set f [open $path(dummy) r]
sl@0
   931
sl@0
   932
    # contents of dummy = "abcdefghi..."
sl@0
   933
    read $f 3 ; # skip behind "abc"
sl@0
   934
sl@0
   935
    constx -attach $f
sl@0
   936
    set res [read $f 3]
sl@0
   937
sl@0
   938
    testchannel unstack $f
sl@0
   939
    append res [read $f 3]
sl@0
   940
    close $f
sl@0
   941
    set res
sl@0
   942
} {xxxghi}
sl@0
   943
sl@0
   944
sl@0
   945
# cleanup
sl@0
   946
foreach file [list dummy dummyout __echo_srv__.tcl] {
sl@0
   947
    removeFile $file
sl@0
   948
}
sl@0
   949
cleanupTests
sl@0
   950
}
sl@0
   951
namespace delete ::tcl::test::iogt
sl@0
   952
return