# 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 2003/03/07 22:03:39 mdejong Exp $

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

    set x ""
    seek $f 6 current
    lappend x [gets $f]
    lappend x [gets $f]
    close $f
    set x
} {{new line} abc}
test io-40.6 {POSIX open access modes: EXCL} {
    removeFile test3
    set f [open $path(test3) w]
    puts $f xyzzy
    close $f
    set msg [list [catch {open $path(test3) {WRONLY CREAT EXCL}} msg] $msg]
    regsub " already " $msg " " msg
    regsub [file join {} $path(test3)] $msg "test3" msg
    string tolower $msg
} {1 {couldn't open "test3": file exists}}
test io-40.7 {POSIX open access modes: EXCL} {
    removeFile test3
    set f [open $path(test3) {WRONLY CREAT EXCL}]
    fconfigure $f -eofchar {}
    puts $f "A test line"
    close $f
    viewFile test3

    set f [open $path(test1) RDONLY]
    set x [list [gets $f] [catch {puts $f Test} msg] $msg]
    close $f
    string compare [string tolower $x] \
	[list {two lines: this one} 1 \
		[format "channel \"%s\" wasn't opened for writing" $f]]
} 0
test io-40.11 {POSIX open access modes: RDONLY} {
    removeFile test3
    set msg [list [catch {open $path(test3) RDONLY} msg] $msg]
    regsub [file join {} $path(test3)] $msg "test3" msg
	string tolower $msg
} {1 {couldn't open "test3": no such file or directory}}
test io-40.12 {POSIX open access modes: WRONLY} {
    removeFile test3
    set msg [list [catch {open $path(test3) WRONLY} msg] $msg]
    regsub [file join {} $path(test3)] $msg "test3" msg
	string tolower $msg
} {1 {couldn't open "test3": no such file or directory}}
test io-40.13 {POSIX open access modes: WRONLY} {
    makeFile xyzzy test3
    set f [open $path(test3) WRONLY]
    fconfigure $f -eofchar {}
    puts -nonewline $f "ab"
    seek $f 0 current
    set x [list [catch {gets $f} msg] $msg]
    close $f
    lappend x [viewFile test3]
    string compare [string tolower $x] \
	[list 1 "channel \"$f\" wasn't opened for reading" abzzy]
} 0
test io-40.14 {POSIX open access modes: RDWR} {
    removeFile test3
    set msg [list [catch {open $path(test3) RDWR} msg] $msg]
    regsub [file join {} $path(test3)] $msg "test3" msg
	string tolower $msg
} {1 {couldn't open "test3": no such file or directory}}
test io-40.15 {POSIX open access modes: RDWR} {
    makeFile xyzzy test3
    set f [open $path(test3) RDWR]
    puts -nonewline $f "ab"
    seek $f 0 current
    set x [gets $f]
    close $f