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# This file contains a collection of tests for the procedures in the file
# tclEvent.c, which includes the "update", and "vwait" Tcl
# commands.  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.

source testing.tcl

test event-5.1 {Tcl_BackgroundError, HandleBgErrors procedures} {
    catch {rename bgerror {}}
    proc bgerror msg {
	lappend ::x $msg
    }
    after idle {error "a simple error"}
    after idle {open non_existent}
    after idle {set errorInfo foobar; set errorCode xyzzy}
    set x {}
    update idletasks
    rename bgerror {}
    set x
} {{a simple error} {non_existent: No such file or directory}}

test event-7.1 {bgerror / regular} {
    set errRes {}
    proc bgerror {err} {
	global errRes;
	set errRes $err;
    }
    after 0 {error err1}
    vwait errRes;
    set errRes;
} err1

test event-7.2 {bgerror / accumulation} {
    set errRes {}
    proc bgerror {err} {
	global errRes;
	lappend errRes $err;
    }
    after 0 {error err1}
    after 0 {error err2}
    after 0 {error err3}
    update
    set errRes;
} {err1 err2 err3}

test event-7.3 {bgerror / accumulation / break} {
    set errRes {}
    proc bgerror {err} {
	global errRes;
	lappend errRes $err;
	return -code break "skip!";
    }
    after 0 {error err1}
    after 0 {error err2}
    after 0 {error err3}
    update
    set errRes;
} err1

# end of bgerror tests
catch {rename bgerror {}}


test event-10.1 {Tcl_Exit procedure} {
    set cmd [list exec [info nameofexecutable] "<<exit 3"]
    list [catch $cmd msg] [lindex $errorCode 0] \
        [lindex $errorCode 2]
} {1 CHILDSTATUS 3}

test event-11.1 {Tcl_VwaitCmd procedure} {
    list [catch {vwait} msg] $msg
} {1 {wrong # args: should be "vwait name"}}
test event-11.2 {Tcl_VwaitCmd procedure} {
    list [catch {vwait a b} msg] $msg
} {1 {wrong # args: should be "vwait name"}}
test event-11.3 {Tcl_VwaitCmd procedure} {
    catch {unset x}
    set x 1
    list [catch {vwait x(1)} msg] $msg
} {1 {can't read "x(1)": variable isn't array}}
test event-11.4 {Tcl_VwaitCmd procedure} {
    foreach i [after info] {
	after cancel $i
    }
    after 10; update; # On Mac make sure update won't take long
    after 100 {set x x-done}
    after 200 {set y y-done}
    after 300 {set z z-done}
    after idle {set q q-done}
    set x before
    set y before
    set z before
    set q before
    list [vwait y] $x $y $z $q
} {{} x-done y-done before q-done}

foreach i [after info] {
    after cancel $i
}

test event-11.5 {Tcl_VwaitCmd procedure: round robin scheduling, 2 sources} {
    set f1 [open test1 w]
    proc accept {s args} {
	puts $s foobar
	close $s
    }
    catch {set s1 [socket stream.server 5001]}
    after 1000
    catch {set s2 [socket stream 5001]}
    close $s1
    set x 0
    set y 0
    set z 0
    fileevent $s2 readable { incr z }
    vwait z
    fileevent $f1 writable { incr x; if { $y == 3 } { set z done } }
    fileevent $s2 readable { incr y; if { $x == 3 } { set z done } }
    vwait z
    close $f1
    close $s2
    file delete test1 test2
    list $x $y $z
} {3 3 done}
test event-11.6 {Tcl_VwaitCmd procedure: round robin scheduling, same source} {
    file delete test1 test2
    set f1 [open test1 w]
    set f2 [open test2 w]
    set x 0
    set y 0
    set z 0
    update
    fileevent $f1 writable { incr x; if { $y == 3 } { set z done } }
    fileevent $f2 writable { incr y; if { $x == 3 } { set z done } }
    vwait z
    close $f1
    close $f2
    file delete test1 test2
    list $x $y $z
} {3 3 done}


test event-12.1 {Tcl_UpdateCmd procedure} {
    list [catch {update a b} msg] $msg
} {1 {wrong # args: should be "update ?idletasks?"}}
test event-12.3 {Tcl_UpdateCmd procedure} {
    foreach i [after info] {
	after cancel $i
    }
    after 500 {set x after}
    after idle {set y after}
    after idle {set z "after, y = $y"}
    set x before
    set y before
    set z before
    update idletasks
    list $x $y $z
} {before after {after, y = after}}
test event-12.4 {Tcl_UpdateCmd procedure} {
    foreach i [after info] {
	after cancel $i
    }
    after 10; update; # On Mac make sure update won't take long
    after 200 {set x x-done}
    after 600 {set y y-done}
    after idle {set z z-done}
    set x before
    set y before
    set z before
    after 300
    update
    list $x $y $z
} {x-done before z-done}

# cleanup
foreach i [after info] {
    after cancel $i
}

testreport