# 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.

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest 2
    namespace import -force ::tcltest::*
}

::tcltest::loadTestedCommands
catch [list package require -exact Tcltest [info patchlevel]]

testConstraint testbytestring [llength [info commands testbytestring]]

namespace eval ::tcl::test::io {
    namespace import ::tcltest::*

    variable umaskValue
    variable path
    variable f
    variable i
    variable n
    variable v
    variable msg
    variable expected

    catch {
	::tcltest::loadTestedCommands
	package require -exact Tcltest [info patchlevel]
	set ::tcltestlib [lindex [package ifneeded Tcltest [info patchlevel]] 1]
    }
    package require tcltests

testConstraint testbytestring [llength [info commands testbytestring]]
testConstraint testchannel      [llength [info commands testchannel]]
testConstraint exec             [llength [info commands exec]]
testConstraint openpipe         1
testConstraint fileevent        [llength [info commands fileevent]]
testConstraint fcopy            [llength [info commands fcopy]]
testConstraint testfevent       [llength [info commands testfevent]]
testConstraint testchannelevent [llength [info commands testchannelevent]]
testConstraint testmainthread   [llength [info commands testmainthread]]
testConstraint thread [expr {0 == [catch {package require Thread 2.7-}]}]
testConstraint testobj		[llength [info commands testobj]]

# You need a *very* special environment to do some tests.  In
# particular, many file systems do not support large-files...
testConstraint largefileSupport [expr {$::tcl_platform(os) ne "Darwin"}]

# some tests can only be run is umask is 2

    fileevent $f readable {}
    set x [list [testfevent cmd "fileevent $f readable"] \
                [fileevent $f readable]]
    testfevent delete
    close $f
    set x
} {{script 1} {}}
unset path(foo)
removeFile foo

set path(bar) [makeFile {} bar]

test io-48.1 {testing readability conditions} {fileevent} {
    set f [open $path(bar) w]
    puts $f abcdefg
    puts $f abcdefg

    puts $f "set f \[[list open $path(bar) r]]"
    puts $f {copy_slowly $f}
    puts $f {exit}
    vwait [namespace which -variable x]
    close $f
    list $x $l
} {done {0 1 0 1 0 1 0 1 0 1 0 1 0 0}}
unset path(bar)
removeFile bar

test io-48.4 {lf write, testing readability, ^Z termination, auto read mode} {fileevent} {
    file delete $path(test1)
    set f [open $path(test1) w]
    fconfigure $f -translation lf
    variable c [format "abc\ndef\n%c" 26]
    puts -nonewline $f $c
    close $f

    string equal $result [testmainthread]
} {1}

test io-60.1 {writing illegal utf sequences} {openpipe fileevent testbytestring} {
    # This test will hang in older revisions of the core.

    set out [open $path(script) w]
    puts $out "catch {load $::tcltestlib Tcltest}"
    puts $out {
	puts [testbytestring \xe2]
	exit 1
    }
    proc readit {pipe} {
	variable x
	variable result