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# This file contains tests for tclUnixNotfy.c.
#
# 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) 1997 by 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: unixNotfy.test,v 1.10 2002/07/05 10:38:43 dkf Exp $
# The tests should not be run if you have a notifier which is unable to
# detect infinite vwaits, as the tests below will hang. The presence of
# the "testthread" command indicates that this is the case.
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest
namespace import -force ::tcltest::*
}
if {[info exists tk_version]} {
puts "When run in a Tk shell, these tests run hang. Skipping tests ..."
::tcltest::cleanupTests
return
}
set ::tcltest::testConstraints(testthread) \
[expr {[info commands testthread] != {}}]
# The next two tests will hang if threads are enabled because the notifier
# will not necessarily wait for ever in this case, so it does not generate
# an error.
test unixNotfy-1.1 {Tcl_DeleteFileHandler} {unixOnly && !testthread} {
catch {vwait x}
set f [open [makeFile "" foo] w]
fileevent $f writable {set x 1}
vwait x
close $f
list [catch {vwait x} msg] $msg
} {1 {can't wait for variable "x": would wait forever}}
test unixNotfy-1.2 {Tcl_DeleteFileHandler} {unixOnly && !testthread} {
catch {vwait x}
set f1 [open [makeFile "" foo] w]
set f2 [open [makeFile "" foo2] w]
fileevent $f1 writable {set x 1}
fileevent $f2 writable {set y 1}
vwait x
close $f1
vwait y
close $f2
list [catch {vwait x} msg] $msg
} {1 {can't wait for variable "x": would wait forever}}
test unixNotfy-2.1 {Tcl_DeleteFileHandler} {unixOnly testthread} {
update
set f [open [makeFile "" foo] w]
fileevent $f writable {set x 1}
vwait x
close $f
testthread create "after 500
testthread send [testthread id] {set x ok}
testthread exit"
vwait x
set x
} {ok}
test unixNotfy-2.2 {Tcl_DeleteFileHandler} {unixOnly testthread} {
update
set f1 [open [makeFile "" foo] w]
set f2 [open [makeFile "" foo2] w]
fileevent $f1 writable {set x 1}
fileevent $f2 writable {set y 1}
vwait x
close $f1
vwait y
close $f2
testthread create "after 500
testthread send [testthread id] {set x ok}
testthread exit"
vwait x
set x
} {ok}
# cleanup
::tcltest::cleanupTests
return
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