# This file contains a collection of tests for the procedures in the file
# tclUnixNotify.c.  Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1995-1997 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.

if {"::tcltest" ni [namespace children]} {
    package require tcltest 2.5
    namespace import -force ::tcltest::*
}

testConstraint testfork [llength [info commands testfork]]

# Test if the notifier thread is well initialized in a forked interpreter
# by Tcl_InitNotifier
test unixforkevent-1.1 {fork and test writeable event} \
    -constraints {testfork nonPortable} \
    -body {
	set myFolder [makeDirectory unixtestfork]
	set pid [testfork]
	if {$pid == 0} {
	    # we are the forked process
	    set result initialized
	    set h [open [file join $myFolder test.txt] w]
	    fileevent $h writable\
		    "set result writable;\
		    after cancel [after 1000 {set result timeout}]"
	    vwait result
	    close $h
	    makeFile $result result.txt $myFolder
	    exit
	}
	# we are the original process
	while {![file readable [file join $myFolder result.txt]]} {}
	viewFile result.txt $myFolder
    } \
    -result {writable} \
    -cleanup {
	catch { removeFolder $myFolder }
    }

::tcltest::cleanupTests
return