# Copyright (c) 1991-1994 The Regents of the University of California.
# Copyright (c) 1994-1997 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: io.test,v 1.76.2.4 2008/06/25 15:56:18 dgp Exp $

if {[catch {package require tcltest 2}]} {
    puts stderr "Skipping tests in [info script].  tcltest 2 required."
    return
}
namespace eval ::tcl::test::io {
    namespace import ::tcltest::*

    lappend l [fconfigure $f -buffersize]
    fconfigure $f -buffersize 100000
    lappend l [fconfigure $f -buffersize]
    fconfigure $f -buffersize 10000000
    lappend l [fconfigure $f -buffersize]
    close $f
    set l
} {4096 10000 1 1 1 100000 1048576}
test io-38.3 {Tcl_SetChannelBufferSize, changing buffersize between reads} {
    # This test crashes the interp if Bug #427196 is not fixed

    set chan [open [info script] r]
    fconfigure $chan -buffersize 10
    set var [read $chan 2]
    fconfigure $chan -buffersize 32

    lappend x [fblocked $f1]
    lappend x [eof $f1]
    lappend x [gets $f1]
    lappend x [eof $f1]
    close $f1
    set x
} {0 {} 1 {} 1 {} 1 1 hi 0 0 {} 1}
test io-39.11 {Tcl_SetChannelOption, Tcl_GetChannelOption, buffer size clipped to lower bound} {
    file delete $path(test1)
    set f [open $path(test1) w]
    fconfigure $f -buffersize -10
    set x [fconfigure $f -buffersize]
    close $f
    set x
} 1
test io-39.12 {Tcl_SetChannelOption, Tcl_GetChannelOption buffer size clipped to upper bound} {
    file delete $path(test1)
    set f [open $path(test1) w]
    fconfigure $f -buffersize 10000000
    set x [fconfigure $f -buffersize]
    close $f
    set x
} 1048576
test io-39.13 {Tcl_SetChannelOption, Tcl_GetChannelOption, buffer size} {
    file delete $path(test1)
    set f [open $path(test1) w]
    fconfigure $f -buffersize 40000
    set x [fconfigure $f -buffersize]
    close $f
    set x

    fconfigure $f2 -translation cr -blocking 0
    fcopy $f1 $f2 -size 40
    set result [list [fconfigure $f1 -blocking] [fconfigure $f2 -blocking]]
    close $f1
    close $f2
    lappend result [file size $path(test1)]
} {0 0 40}
test io-52.5 {TclCopyChannel, all} {fcopy} {
    file delete $path(test1)
    set f1 [open $thisScript]
    set f2 [open $path(test1) w]
    fconfigure $f1 -translation lf -blocking 0
    fconfigure $f2 -translation lf -blocking 0
    fcopy $f1 $f2 -size -1 ;# -1 means 'copy all', same as if no -size specified.
    set result [list [fconfigure $f1 -blocking] [fconfigure $f2 -blocking]]
    close $f1
    close $f2
    set s1 [file size $thisScript]
    set s2 [file size $path(test1)]
    if {"$s1" == "$s2"} {
        lappend result ok
    }
    set result
} {0 0 ok}
test io-52.5a {TclCopyChannel, all, other negative value} {fcopy} {
    file delete $path(test1)
    set f1 [open $thisScript]
    set f2 [open $path(test1) w]
    fconfigure $f1 -translation lf -blocking 0
    fconfigure $f2 -translation lf -blocking 0
    fcopy $f1 $f2 -size -2 ;# < 0 behaves like -1, copy all
    set result [list [fconfigure $f1 -blocking] [fconfigure $f2 -blocking]]
    close $f1
    close $f2
    set s1 [file size $thisScript]
    set s2 [file size $path(test1)]
    if {"$s1" == "$s2"} {
        lappend result ok
    }
    set result
} {0 0 ok}
test io-52.5b {TclCopyChannel, all, wrapped to negative value} {fcopy} {
    file delete $path(test1)
    set f1 [open $thisScript]
    set f2 [open $path(test1) w]
    fconfigure $f1 -translation lf -blocking 0
    fconfigure $f2 -translation lf -blocking 0
    fcopy $f1 $f2 -size 3221176172 ;# Wrapped to < 0, behaves like -1, copy all
    set result [list [fconfigure $f1 -blocking] [fconfigure $f2 -blocking]]
    close $f1
    close $f2
    set s1 [file size $thisScript]
    set s2 [file size $path(test1)]
    if {"$s1" == "$s2"} {
        lappend result ok

	vwait [namespace which -variable fcopyTestDone]
    }
    catch {close $in}
    close $out
    # -1=error 0=script error N=number of bytes
    expr ($fcopyTestDone == 0) ? $fcopyTestCount : -1
} {3450}
test io-53.8 {CopyData: async callback and error handling, Bug 1932639} -setup {
    # copy progress callback. errors out intentionally
    proc ::cmd args {
	lappend ::RES "CMD $args"
	error !STOP
    }
    # capture callback error here
    proc ::bgerror args {
	lappend ::RES "bgerror/OK $args"
	set ::forever has-been-reached
	return
    }
    # Files we use for our channels
    set foo [makeFile ashgdfashdgfasdhgfasdhgf foo]
    set bar [makeFile {} bar]
    # Channels to copy between
    set f [open $foo r] ; fconfigure $f -translation binary
    set g [open $bar w] ; fconfigure $g -translation binary -buffering none
} -constraints {stdio openpipe fcopy} -body {
    # Record input size, so that result is always defined
    lappend ::RES [file size $bar]
    # Run the copy. Should not invoke -command now.
    fcopy $f $g -size 2 -command ::cmd
    # Check that -command was not called synchronously
    set sbs [file size $bar]
    lappend ::RES [expr {($sbs > 0) ? "sync/FAIL" : "sync/OK"}] $sbs
    # Now let the async part happen. Should capture the error in cmd
    # via bgerror. If not break the event loop via timer.
    set token [after 1000 {
	lappend ::RES {bgerror/FAIL timeout}
	set ::forever has-been-reached
    }]
    vwait ::forever
    catch {after cancel $token}
    # Report
    set ::RES
} -cleanup {
    close $f
    close $g
    catch {unset ::RES}
    catch {unset ::forever}
    rename ::cmd {}
    rename ::bgerror {}
    removeFile foo
    removeFile bar
} -result {0 sync/OK 0 {CMD 2} {bgerror/OK !STOP}}
test io-53.8a {CopyData: async callback and error handling, Bug 1932639, at eof} -setup {
    # copy progress callback. errors out intentionally
    proc ::cmd args {
	lappend ::RES "CMD $args"
	set ::forever has-been-reached
	return
    }
    # Files we use for our channels
    set foo [makeFile ashgdfashdgfasdhgfasdhgf foo]
    set bar [makeFile {} bar]
    # Channels to copy between
    set f [open $foo r] ; fconfigure $f -translation binary
    set g [open $bar w] ; fconfigure $g -translation binary -buffering none
} -constraints {stdio openpipe fcopy} -body {
    # Initialize and force eof on the input.
    seek $f 0 end ; read $f 1
    set ::RES [eof $f]
    # Run the copy. Should not invoke -command now.
    fcopy $f $g -size 2 -command ::cmd
    # Check that -command was not called synchronously
    lappend ::RES [expr {([llength $::RES] > 1) ? "sync/FAIL" : "sync/OK"}]
    # Now let the async part happen. Should capture the eof in cmd
    # If not break the event loop via timer.
    set token [after 1000 {
	lappend ::RES {cmd/FAIL timeout}
	set ::forever has-been-reached
    }]
    vwait ::forever
    catch {after cancel $token}
    # Report
    set ::RES
} -cleanup {
    close $f
    close $g
    catch {unset ::RES}
    catch {unset ::forever}
    rename ::cmd {}
    removeFile foo
    removeFile bar
} -result {1 sync/OK {CMD 0}}
test io-53.9 {CopyData: -size and event interaction, Bug 780533} -setup {
    set out [makeFile {} out]
    set err [makeFile {} err]
    set pipe [open "|[list [info nameofexecutable] 2> $err]" r+]
    fconfigure $pipe -translation binary -buffering line
    puts $pipe {
	fconfigure stdout -translation binary -buffering line
	puts stderr Waiting...
	after 1000
	foreach x {a b c} {
	    puts stderr Looping...
	    puts $x
	    after 500
	}
	proc bye args {
	    if {[gets stdin line]<0} {
		puts stderr "CHILD: EOF detected, exiting"
		exit
	    } else {
		puts stderr "CHILD: ignoring line: $line"
	    }
	}
	puts stderr Now-sleeping-forever
	fileevent stdin readable bye
	vwait forever
    }
    proc ::done args {
	set ::forever OK
	return
    }
    set ::forever {}
    set out [open $out w]
} -constraints {stdio openpipe fcopy} -body {
    fcopy $pipe $out -size 6 -command ::done
    set token [after 5000 {
	set ::forever {fcopy hangs}
    }]
    vwait ::forever
    catch {after cancel $token}
    set ::forever
} -cleanup {
    close $pipe
    rename ::done {}
    after 1000;			# Give Windows time to kill the process
    catch {close $out}
    catch {removeFile out}
    catch {removeFile err}
    catch {unset ::forever}
} -result OK
test io-53.10 {Bug 1350564, multi-directional fcopy} -setup {
    set err [makeFile {} err]
    set pipe [open "|[list [info nameofexecutable] 2> $err]" r+]
    fconfigure $pipe -translation binary -buffering line
    puts $pipe {
	fconfigure stderr -buffering line
	# Kill server when pipe closed by invoker.
	proc bye args {
	    if {![eof stdin]} { gets stdin ; return }
	    puts stderr BYE
	    exit
	}
	# Server code. Bi-directional copy between 2 sockets.
	proc geof {sok} {
	    puts stderr DONE/$sok
	    close $sok
	}
	proc new {sok args} {
	    puts stderr NEW/$sok
	    global l srv
	    fconfigure $sok -translation binary -buffering none
	    lappend l $sok
	    if {[llength $l]==2} {
		close $srv
		foreach {a b} $l break
		fcopy $a $b -command [list geof $a]
		fcopy $b $a -command [list geof $b]
		puts stderr 2COPY
	    }
	    puts stderr ...
	}
	puts stderr SRV
	set l {}
	set srv [socket -server new 9999]
	puts stderr WAITING
	fileevent stdin readable bye
	puts OK
	vwait forever
    }
    # wait for OK from server.
    gets $pipe
    # Now the two clients.
    proc ::done {sock} {
	if {[eof $sock]} { close $sock ; return }
	lappend ::forever [gets $sock]
	return
    }
    set a [socket 127.0.0.1 9999]
    set b [socket 127.0.0.1 9999]
    fconfigure $a -translation binary -buffering none
    fconfigure $b -translation binary -buffering none
    fileevent  $a readable [list ::done $a]
    fileevent  $b readable [list ::done $b]
} -constraints {stdio openpipe fcopy} -body {
    # Now pass data through the server in both directions.
    set ::forever {}
    puts $a AB
    vwait ::forever
    puts $b BA
    vwait ::forever
    set ::forever
} -cleanup {
    catch {close $a}
    catch {close $b}
    close $pipe
    rename ::done {}
    after 1000 ;# Give Windows time to kill the process
    removeFile err
    catch {unset ::forever}
} -result {AB BA}

test io-54.1 {Recursive channel events} {socket fileevent} {
    # This test checks to see if file events are delivered during recursive
    # event loops when there is buffered data on the channel.

    proc accept {s a p} {
	variable as

    # Test for Bug 1847044 - don't spoil type unless we have a valid channel
    catch {close [lreplace [list a] 0 end]}
} {1}

# ### ### ### ######### ######### #########

# cleanup
foreach file [list fooBar longfile script output test1 pipe my_script \
	test2 test3 cat stdout kyrillic.txt utf8-fcopy.txt utf8-rp.txt] {
    removeFile $file
}
cleanupTests
}
namespace delete ::tcl::test::io
return