# 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 1.45.2.14 2006/10/23 21:01:51 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::*

    #
    # The flush below will get a SIGPIPE. This is an expected part of
    # test and indicates that the test operates correctly. If you run
    # this test under a debugger, the signal will by intercepted unless
    # you disable the debugger's signal interception.
    #
    if {[catch {flush $f} msg]} {
	set x [list 1 $msg $::errorCode]
	catch {close $f}
    } else {
	if {[catch {close $f} msg]} {
	    set x [list 1 $msg $::errorCode]
	} else {
	    set x {this was supposed to fail and did not}
	}
    }
    regsub {".*":} $x {"":} x
    string tolower $x
} {1 {error flushing "": broken pipe} {posix epipe {broken pipe}}}

    set x [gets $f]
    close $f
    lappend x [viewFile test3]
} {zzy abzzy}
test io-40.16 {tilde substitution in open} -constraints makeFileInHome -setup {
    makeFile {Some text} _test_ ~
} -body {
    file exists [file join $::env(HOME) _test_]
} -cleanup {
    removeFile _test_ ~
} -result 1
test io-40.17 {tilde substitution in open} {
    set home $::env(HOME)
    unset ::env(HOME)
    set x [list [catch {open ~/foo} msg] $msg]
    set ::env(HOME) $home
    set x
} {1 {couldn't find HOME environment variable to expand path}}

test io-41.1 {Tcl_FileeventCmd: errors} {fileevent} {
    list [catch {fileevent foo} msg] $msg
} {1 {wrong # args: should be "fileevent channelId event ?script?"}}
test io-41.2 {Tcl_FileeventCmd: errors} {fileevent} {