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[/] [or1k/] [trunk/] [insight/] [tcl/] [tests/] [event.test] - Rev 1774

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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.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: event.test,v 1.1.1.1 2002-01-16 10:25:35 markom Exp $

if {[string compare test [info procs test]] == 1} then {source defs}

if {[catch {testfilehandler create 0 off off}] == 0 } {
    test event-1.1 {Tcl_CreateFileHandler, reading} {
        testfilehandler close
        testfilehandler create 0 readable off
        testfilehandler clear 0
        testfilehandler oneevent
        set result ""
        lappend result [testfilehandler counts 0]
        testfilehandler fillpartial 0
        testfilehandler oneevent
        lappend result [testfilehandler counts 0]
        testfilehandler oneevent
        lappend result [testfilehandler counts 0]
        testfilehandler close
        set result
    } {{0 0} {1 0} {2 0}}
    test event-1.2 {Tcl_CreateFileHandler, writing} {nonPortable} {
        # This test is non-portable because on some systems (e.g.
        # SunOS 4.1.3) pipes seem to be writable always.
        testfilehandler close
        testfilehandler create 0 off writable
        testfilehandler clear 0
        testfilehandler oneevent
        set result ""
        lappend result [testfilehandler counts 0]
        testfilehandler fillpartial 0
        testfilehandler oneevent
        lappend result [testfilehandler counts 0]
        testfilehandler fill 0
        testfilehandler oneevent
        lappend result [testfilehandler counts 0]
        testfilehandler close
        set result
    } {{0 1} {0 2} {0 2}}
    test event-1.3 {Tcl_DeleteFileHandler} {nonPortable} {
        testfilehandler close
        testfilehandler create 2 disabled disabled
        testfilehandler create 1 readable writable
        testfilehandler create 0 disabled disabled
        testfilehandler fillpartial 1
        set result ""
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler create 1 off off
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler close
        set result
    } {{0 1} {1 1} {1 2} {0 0}}

    test event-2.1 {Tcl_DeleteFileHandler} {nonPortable} {
        testfilehandler close
        testfilehandler create 2 disabled disabled
        testfilehandler create 1 readable writable
        testfilehandler fillpartial 1
        set result ""
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler create 1 off off
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler close
        set result
    } {{0 1} {1 1} {1 2} {0 0}}
    test event-2.2 {Tcl_DeleteFileHandler, fd reused & events still pending} {nonPortable} {
        testfilehandler close
        testfilehandler create 0 readable writable
        testfilehandler fillpartial 0
        set result ""
        testfilehandler oneevent
        lappend result [testfilehandler counts 0]
        testfilehandler close
        testfilehandler create 0 readable writable
        testfilehandler oneevent
        lappend result [testfilehandler counts 0]
        testfilehandler close
        set result
    } {{0 1} {0 0}}

    test event-3.1 {FileHandlerCheckProc, TCL_FILE_EVENTS off } {
        testfilehandler close
        testfilehandler create 1 readable writable
        testfilehandler fillpartial 1
        testfilehandler windowevent
        set result [testfilehandler counts 1]
        testfilehandler close
        set result
    } {0 0}

    test event-4.1 {FileHandlerEventProc, race between event and disabling} {nonPortable} {
        update
        testfilehandler close
        testfilehandler create 2 disabled disabled
        testfilehandler create 1 readable writable
        testfilehandler fillpartial 1
        set result ""
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler create 1 disabled disabled
        testfilehandler oneevent
        lappend result [testfilehandler counts 1]
        testfilehandler close
        set result
    } {{0 1} {1 1} {1 2} {0 0}}
    test event-4.2 {FileHandlerEventProc, TCL_FILE_EVENTS off} {nonPortable} {
        update
        testfilehandler close
        testfilehandler create 1 readable writable
        testfilehandler create 2 readable writable
        testfilehandler fillpartial 1
        testfilehandler fillpartial 2
        testfilehandler oneevent
        set result ""
        lappend result [testfilehandler counts 1] [testfilehandler counts 2]
        testfilehandler windowevent
        lappend result [testfilehandler counts 1] [testfilehandler counts 2]
        testfilehandler close
        set result
    } {{0 0} {0 1} {0 0} {0 1}}
    testfilehandler close
    update
}

test event-5.1 {Tcl_BackgroundError, HandleBgErrors procedures} {
    catch {rename bgerror {}}
    proc bgerror msg {
        global errorInfo errorCode x
        lappend x [list $msg $errorInfo $errorCode]
    }
    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} {a simple error
    while executing
"error "a simple error""
    ("after" script)} NONE} {{couldn't open "non_existent": no such file or directory} {couldn't open "non_existent": no such file or directory
    while executing
"open non_existent"
    ("after" script)} {POSIX ENOENT {no such file or directory}}}}
test event-5.2 {Tcl_BackgroundError, HandleBgErrors procedures} {
    catch {rename bgerror {}}
    proc bgerror msg {
        global x
        lappend x $msg
        return -code break
    }
    after idle {error "a simple error"}
    after idle {open non_existent}
    set x {}
    update idletasks
    rename bgerror {}
    set x
} {{a simple error}}

test event-6.1 {BgErrorDeleteProc procedure} {
    catch {interp delete foo}
    interp create foo
    foo eval {
        proc bgerror args {
            global errorInfo
            set f [open err.out r+]
            seek $f 0 end
            puts $f "$args $errorInfo"
            close $f
        }
        after 100 {error "first error"}
        after 100 {error "second error"}
    }
    makeFile Unmodified err.out
    after 100 {interp delete foo}
    after 200
    update
    set f [open err.out r]
    set result [read $f]
    close $f
    removeFile err.out
    set result
} {Unmodified
}

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

test event-7.4 {tkerror is nothing special anymore to tcl} {
    set errRes {}
    # we don't just rename bgerror to empty because it could then
    # be autoloaded...
    proc bgerror {err} {
        global errRes;
        lappend errRes "bg:$err";
    }
    proc tkerror {err} {
        global errRes;
        lappend errRes "tk:$err";
    }
    after 0 {error err1}
    update
    rename tkerror {}
    set errRes
} bg:err1

# someday : add a test checking that 
# when there is no bgerror, an error msg goes to stderr
# ideally one would use sub interp and transfer a fake stderr
# to it, unfortunatly the current interp tcl API does not allow
# that. the other option would be to use fork a test but it
# then becomes more a file/exec test than a bgerror test.

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


if {[info commands testexithandler] != ""} {
    test event-8.1 {Tcl_CreateExitHandler procedure} {stdio} {
        set child [open |[list [info nameofexecutable]] r+]
        puts $child "testexithandler create 41; testexithandler create 4"
        puts $child "testexithandler create 6; exit"
        flush $child
        set result [read $child]
        close $child
        set result
    } {even 6
even 4
odd 41
}

    test event-9.1 {Tcl_DeleteExitHandler procedure} {stdio} {
        set child [open |[list [info nameofexecutable]] r+]
        puts $child "testexithandler create 41; testexithandler create 4"
        puts $child "testexithandler create 6; testexithandler delete 41"
        puts $child "testexithandler create 16; exit"
        flush $child
        set result [read $child]
        close $child
        set result
    } {even 16
even 6
even 4
}
    test event-9.2 {Tcl_DeleteExitHandler procedure} {stdio} {
        set child [open |[list [info nameofexecutable]] r+]
        puts $child "testexithandler create 41; testexithandler create 4"
        puts $child "testexithandler create 6; testexithandler delete 4"
        puts $child "testexithandler create 16; exit"
        flush $child
        set result [read $child]
        close $child
        set result
    } {even 16
even 6
odd 41
}
    test event-9.3 {Tcl_DeleteExitHandler procedure} {stdio} {
        set child [open |[list [info nameofexecutable]] r+]
        puts $child "testexithandler create 41; testexithandler create 4"
        puts $child "testexithandler create 6; testexithandler delete 6"
        puts $child "testexithandler create 16; exit"
        flush $child
        set result [read $child]
        close $child
        set result
    } {even 16
even 4
odd 41
}
    test event-9.4 {Tcl_DeleteExitHandler procedure} {stdio} {
        set child [open |[list [info nameofexecutable]] r+]
        puts $child "testexithandler create 41; testexithandler delete 41"
        puts $child "testexithandler create 16; exit"
        flush $child
        set result [read $child]
        close $child
        set result
    } {even 16
}
}

test event-10.1 {Tcl_Exit procedure} {stdio} {
    set child [open |[list [info nameofexecutable]] r+]
    puts $child "exit 3"
    list [catch {close $child} msg] $msg [lindex $errorCode 0] \
        [lindex $errorCode 2]
} {1 {child process exited abnormally} 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 trace "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} {socket} {
    set f1 [open test1 w]
    proc accept {s args} {
        puts $s foobar
        close $s
    }
    set s1 [socket -server accept 5001]
    set s2 [socket 127.0.0.1 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-12.2 {Tcl_UpdateCmd procedure} {
    list [catch {update bogus} msg] $msg
} {1 {bad option "bogus": must be 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}

if {[info commands testfilehandler] != ""} {
    test event-13.1 {Tcl_WaitForFile procedure, readable} unixOnly {
        foreach i [after info] {
            after cancel $i
        }
        after 100 set x timeout
        testfilehandler close
        testfilehandler create 1 off off
        set x "no timeout"
        set result [testfilehandler wait 1 readable 0]
        update
        testfilehandler close
        list $result $x
    } {{} {no timeout}}
    test event-13.2 {Tcl_WaitForFile procedure, readable} unixOnly {
        foreach i [after info] {
            after cancel $i
        }
        after 100 set x timeout
        testfilehandler close
        testfilehandler create 1 off off
        set x "no timeout"
        set result [testfilehandler wait 1 readable 100]
        update
        testfilehandler close
        list $result $x
    } {{} timeout}
    test event-13.3 {Tcl_WaitForFile procedure, readable} unixOnly {
        foreach i [after info] {
            after cancel $i
        }
        after 100 set x timeout
        testfilehandler close
        testfilehandler create 1 off off
        testfilehandler fillpartial 1
        set x "no timeout"
        set result [testfilehandler wait 1 readable 100]
        update
        testfilehandler close
        list $result $x
    } {readable {no timeout}}
    test event-13.4 {Tcl_WaitForFile procedure, writable} {unixOnly nonPortable} {
        foreach i [after info] {
            after cancel $i
        }
        after 100 set x timeout
        testfilehandler close
        testfilehandler create 1 off off
        testfilehandler fill 1
        set x "no timeout"
        set result [testfilehandler wait 1 writable 0]
        update
        testfilehandler close
        list $result $x
    } {{} {no timeout}}
    test event-13.5 {Tcl_WaitForFile procedure, writable} {unixOnly nonPortable} {
        foreach i [after info] {
            after cancel $i
        }
        after 100 set x timeout
        testfilehandler close
        testfilehandler create 1 off off
        testfilehandler fill 1
        set x "no timeout"
        set result [testfilehandler wait 1 writable 100]
        update
        testfilehandler close
        list $result $x
    } {{} timeout}
    test event-13.6 {Tcl_WaitForFile procedure, writable} unixOnly {
        foreach i [after info] {
            after cancel $i
        }
        after 100 set x timeout
        testfilehandler close
        testfilehandler create 1 off off
        set x "no timeout"
        set result [testfilehandler wait 1 writable 100]
        update
        testfilehandler close
        list $result $x
    } {writable {no timeout}}
    test event-13.7 {Tcl_WaitForFile procedure, don't call other event handlers} unixOnly {
        foreach i [after info] {
            after cancel $i
        }
        after 100 lappend x timeout
        after idle lappend x idle
        testfilehandler close
        testfilehandler create 1 off off
        set x ""
        set result [list [testfilehandler wait 1 readable 200] $x]
        update
        testfilehandler close
        lappend result $x
    } {{} {} {timeout idle}}
}

if {[info commands testfilewait] != ""} {
    test event-13.8 {Tcl_WaitForFile procedure, waiting indefinitely} unixOnly {
        set f [open "|sleep 2" r]
        set result ""
        lappend result [testfilewait $f readable 100]
        lappend result [testfilewait $f readable -1]
        close $f
        set result
    } {{} readable}
}

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

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