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# -*- tcl -*-
# Commands covered: transform
#
# This file contains a collection of tests for one or more of the trf
# commands of the TRF extension. Sourcing this file into Tcl runs the
# tests and generates output for errors. No output means no errors were
# found.
#
# Copyright (c) 1997 Andreas Kupries (andreas_kupries@users.sourceforge.net)
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# $Id: transform.test,v 1.6 2001/08/21 05:51:33 tcl Exp $
if {[string compare test [info procs test]] == 1} then {source defs}
proc 82 {a b} {
if {[string compare [info tclversion] 8.2] < 0} {
return $b
} else {
return $a
}
}
proc identity {operation buffer} {
global tracevar
lappend tracevar "${operation}-[string length $buffer]"
# no changes!
set buffer
}
proc pfx {prefix operation buffer} {
return $prefix$buffer
}
test transform-1.0 {transform behaviour, immediate write} {
set tracevar ""
lappend tracevar [transform -mode write -command identity foobarflabbergast]
set tracevar
} {create/write-0 write-17 flush/write-0 delete/write-0 foobarflabbergast}
test transform-1.1 {transform behaviour, immediate read} {
set tracevar ""
lappend tracevar [transform -mode read -command identity foobarflabbergast]
set tracevar
} {create/read-0 read-17 flush/read-0 delete/read-0 foobarflabbergast}
test transform-2.0 {transform behaviour, attached write} {
set tracevar ""
set out [memchan]
transform -attach $out -command identity
puts -nonewline $out foobarflabbergast
close $out
set tracevar
} {create/write-0 create/read-0 query/ratio-0 write-17 flush/write-0 flush/read-0 delete/write-0 delete/read-0}
test transform-2.1 {transform behaviour, attached read} {
set tracevar ""
set in [memchan]
puts -nonewline $in foobarflabbergast
seek $in 0
transform -attach $in -command identity
read $in
close $in
set tracevar
} [82 {create/write-0 create/read-0 query/ratio-0 query/maxRead-0 read-17 query/maxRead-0 flush/read-0 flush/write-0 delete/write-0 delete/read-0} {create/write-0 create/read-0 query/ratio-0 query/maxRead-0 read-17 query/maxRead-0 flush/read-0 query/maxRead-0 flush/write-0 delete/write-0 delete/read-0}]
test transform-3.0 {More than one transform should work too} {
set tracevar ""
set out [memchan]
transform -attach $out -command [list pfx a]
transform -attach $out -command [list pfx b]
puts -nonewline $out foo
unstack $out
unstack $out
seek $out 0
set data [read $out]
close $out
set data
} {abfooaba}
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