event.test

linux系统下的音频通信

# 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.
#
# "@(#) event.test 1.35 97/08/11 11:58:38"

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]