source: downloads/tcl8.5.2/tests/winConsole.test @ 31

# This file tests the tclWinConsole.c file.
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands.  Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 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: winConsole.test,v 1.8 2006/11/03 00:34:53 hobbs Exp $

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


test winConsole-1.1 {Console file channel: non-blocking gets} {win interactive} {
    set oldmode [fconfigure stdin]

    puts stdout "Enter abcdef<return> now: " nonewline
    flush stdout
    fileevent stdin readable {
        if {[gets stdin line] >= 0} {
            set result $line
        } else {
            set result "gets failed"
        }
    }

    fconfigure stdin -blocking 0 -buffering line

    set result {}
    vwait result

    #cleanup the fileevent
    fileevent stdin readable {}
    fconfigure stdin {*}$oldmode

    set result

}  "abcdef"

#cleanup

::tcltest::cleanupTests
return