select.test

linux系统下的音频通信

# This file is a Tcl script to test out Tk's selection management code,
# especially the "selection" command.  It is organized in the standard
# fashion for Tcl tests.
#
# Copyright (c) 1994 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# SCCS: @(#) select.test 1.17 96/12/09 17:25:48

#
# Note: Multiple display selection handling will only be tested if the
# environment variable TK_ALT_DISPLAY is set to an alternate display.
#

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

eval destroy [winfo child .]

global longValue selValue selInfo

set selValue {}
set selInfo {}

proc handler {type offset count} {
    global selValue selInfo
    lappend selInfo $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr $numBytes+$offset]
}

proc errIncrHandler {type offset count} {
    global selValue selInfo pass
    if {$offset == 4000} {
	if {$pass == 0} {
	    # Just sizing the selection;  don't do anything here.
	    set pass 1
	} else {
	    # Fetching the selection;  wait long enough to cause a timeout.
	    after 6000
	}
    }
    lappend selInfo $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr $numBytes+$offset]
}

proc errHandler args {
    error "selection handler aborted"
}

proc badHandler {path type offset count} {
    global selValue selInfo
    selection handle -type $type $path {}
    lappend selInfo $path $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr $numBytes+$offset]
}
proc reallyBadHandler {path type offset count} {
    global selValue selInfo pass
    if {$offset == 4000} {
	if {$pass == 0} {
	    set pass 1
	} else {
	    selection handle -type $type $path {}
	}
    }
    lappend selInfo $path $type $offset $count
    set numBytes [expr {[string length $selValue] - $offset}]
    if {$numBytes <= 0} {
	return ""
    }
    string range $selValue $offset [expr $numBytes+$offset]
}

# Eliminate any existing selection on the screen.  This is needed in case
# there is a selection in some other application, in order to prevent races
# from causing false errors in the tests below.

selection clear .
after 1500

# common setup code
proc setup {{path .f1} {display {}}} {
    catch {destroy $path}
    if {$display == {}} {
	frame $path
    } else {
	toplevel $path -screen $display
	wm geom $path +0+0
    }
    selection own $path
}

# set up a very large buffer to test INCR retrievals
set longValue ""
foreach i {a b c d e f g j h i j k l m o p q r s t u v w x y z} {
    set j $i.1$i.2$i.3$i.4$i.5$i.6$i.7$i.8$i.9$i.10$i.11$i.12$i.13$i.14
    append longValue A$j B$j C$j D$j E$j F$j G$j H$j I$j K$j L$j M$j N$j
}

# Now we start the main body of the test code

test select-1.1 {Tk_CreateSelHandler procedure} {
    setup
    lsort [selection get TARGETS]
} {MULTIPLE TARGETS TIMESTAMP TK_APPLICATION TK_WINDOW}
test select-1.2 {Tk_CreateSelHandler procedure} {
    setup
    selection handle .f1 {handler TEST} TEST
    lsort [selection get TARGETS]
} {MULTIPLE TARGETS TEST TIMESTAMP TK_APPLICATION TK_WINDOW}
test select-1.3 {Tk_CreateSelHandler procedure} {
    global selValue selInfo
    setup
    selection handle .f1 {handler TEST} TEST
    set selValue "Test value"
    set selInfo ""
    list [selection get TEST] $selInfo
} {{Test value} {TEST 0 4000}}
test select-1.4 {Tk_CreateSelHandler procedure} {
    setup
    selection handle .f1 {handler TEST} TEST
    selection handle .f1 {handler STRING}
    lsort [selection get TARGETS]
} {MULTIPLE STRING TARGETS TEST TIMESTAMP TK_APPLICATION TK_WINDOW}
test select-1.5 {Tk_CreateSelHandler procedure} {
    global selValue selInfo
    setup
    selection handle .f1 {handler TEST} TEST
    selection handle .f1 {handler STRING}
    set selValue ""
    set selInfo ""
    list [selection get] $selInfo
} {{} {STRING 0 4000}}
test select-1.6 {Tk_CreateSelHandler procedure} {
    global selValue selInfo
    setup
    selection handle .f1 {handler TEST} TEST
    selection handle .f1 {handler STRING}
    set selValue ""
    set selInfo ""
    selection get
    selection get -type TEST
    selection handle .f1 {handler TEST2} TEST
    selection get -type TEST
    list [set selInfo] [lsort [selection get TARGETS]]
} {{STRING 0 4000 TEST 0 4000 TEST2 0 4000} {MULTIPLE STRING TARGETS TEST TIMESTAMP TK_APPLICATION TK_WINDOW}}
test select-1.7 {Tk_CreateSelHandler procedure} {
    setup
    selection own -selection CLIPBOARD .f1
    selection handle -selection CLIPBOARD .f1 {handler TEST} TEST
    selection handle -selection PRIMARY .f1 {handler TEST2} STRING
    list [lsort [selection get -selection PRIMARY TARGETS]] \
	[lsort [selection get -selection CLIPBOARD TARGETS]] 
} {{MULTIPLE STRING TARGETS TIMESTAMP TK_APPLICATION TK_WINDOW} {MULTIPLE TARGETS TEST TIMESTAMP TK_APPLICATION TK_WINDOW}}
test select-1.8 {Tk_CreateSelHandler procedure} {
    setup
    selection handle -format INTEGER -type TEST .f1 {handler TEST}
    lsort [selection get TARGETS]
} {MULTIPLE TARGETS TEST TIMESTAMP TK_APPLICATION TK_WINDOW}

##############################################################################

test select-2.1 {Tk_DeleteSelHandler procedure} {
    setup
    selection handle .f1 {handler STRING} 
    selection handle -type TEST .f1 {handler TEST} 
    selection handle -type USER .f1 {handler USER} 
    set result [list [lsort [selection get TARGETS]]]
    selection handle -type TEST .f1 {}
    lappend result [lsort [selection get TARGETS]]
} {{MULTIPLE STRING TARGETS TEST TIMESTAMP TK_APPLICATION TK_WINDOW USER} {MULTIPLE STRING TARGETS TIMESTAMP TK_APPLICATION TK_WINDOW USER}}
test select-2.2 {Tk_DeleteSelHandler procedure} {
    setup
    selection handle .f1 {handler STRING} 
    selection handle -type TEST .f1 {handler TEST} 
    selection handle -type USER .f1 {handler USER} 
    set result [list [lsort [selection get TARGETS]]]
    selection handle -type USER .f1 {}
    lappend result [lsort [selection get TARGETS]]
} {{MULTIPLE STRING TARGETS TEST TIMESTAMP TK_APPLICATION TK_WINDOW USER} {MULTIPLE STRING TARGETS TEST TIMESTAMP TK_APPLICATION TK_WINDOW}}
test select-2.3 {Tk_DeleteSelHandler procedure} {
    setup
    selection own -selection CLIPBOARD .f1
    selection handle -selection PRIMARY .f1 {handler STRING} 
    selection handle -selection CLIPBOARD .f1 {handler STRING} 
    selection handle -selection CLIPBOARD .f1 {}
    list [lsort [selection get TARGETS]] \
	[lsort [selection get -selection CLIPBOARD TARGETS]]
} {{MULTIPLE STRING TARGETS TIMESTAMP TK_APPLICATION TK_WINDOW} {MULTIPLE TARGETS TIMESTAMP TK_APPLICATION TK_WINDOW}}
test select-2.4 {Tk_DeleteSelHandler procedure} {
    setup
    selection handle .f1 {handler STRING}
    list [selection handle .f1 {}] [selection handle .f1 {}]
} {{} {}}   

##############################################################################

test select-3.1 {Tk_OwnSelection procedure} {
    setup
    selection own
} {.f1}
test select-3.2 {Tk_OwnSelection procedure} {
    setup .f1
    set result [selection own]
    setup .f2
    lappend result [selection own]
} {.f1 .f2}
test select-3.3 {Tk_OwnSelection procedure} {
    setup .f1
    setup .f2
    selection own -selection CLIPBOARD .f1
    list [selection own] [selection own -selection CLIPBOARD]
} {.f2 .f1}
test select-3.4 {Tk_OwnSelection procedure} {
    global lostSel
    setup
    set lostSel {owned}
    selection own -command { set lostSel {lost} } .f1
    selection clear .f1
    set lostSel
} {lost}
test select-3.5 {Tk_OwnSelection procedure} {
    global lostSel
    setup .f1
    setup .f2
    set lostSel {owned}
    selection own -command { set lostSel {lost1} } .f1
    selection own -command { set lostSel {lost2} } .f2
    list $lostSel [selection own]
} {lost1 .f2}
test select-3.6 {Tk_OwnSelection procedure} {
    global lostSel
    setup
    set lostSel {owned}
    selection own -command { set lostSel {lost1} } .f1
    selection own -command { set lostSel {lost2} } .f1
    set result $lostSel
    selection clear .f1
    lappend result $lostSel
} {owned lost2}
test select-3.7 {Tk_OwnSelection procedure} {unixOnly} {
    global lostSel
    setup
    setupbg
    set lostSel {owned}
    selection own -command { set lostSel {lost1} } .f1
    update
    set result {}
    lappend result [dobg { selection own . }]
    lappend result [dobg {selection own}]
    update
    cleanupbg
    lappend result $lostSel
} {{} . lost1}
# check reentrancy on selection replacement
test select-3.8 {Tk_OwnSelection procedure} {
    setup
    selection own -selection CLIPBOARD -command { destroy .f1 } .f1
    selection own -selection CLIPBOARD .
} {}
test select-3.9 {Tk_OwnSelection procedure} {
    setup .f2
    setup .f1
    selection own -selection CLIPBOARD -command { destroy .f2 } .f1
    selection own -selection CLIPBOARD .f2
} {}

# multiple display tests
if {[info exists env(TK_ALT_DISPLAY)]} {

    test select-3.10 {Tk_OwnSelection procedure} {
	setup .f1
	setup .f2 $env(TK_ALT_DISPLAY)
	list [selection own -displayof .f1] [selection own -displayof .f2]
    } {.f1 .f2}
    test select-3.11 {Tk_OwnSelection procedure} {
	setup .f1
	setup .f2 $env(TK_ALT_DISPLAY)
	setupbg
	update
	set result ""
	lappend result [dobg "toplevel .t -screen $env(TK_ALT_DISPLAY); wm geom .t +0+0; selection own .t; update"]
	lappend result [selection own -displayof .f1] \
	    [selection own -displayof .f2]
	cleanupbg
	set result
    } {{} .f1 {}}

}
##############################################################################

test select-4.1 {Tk_ClearSelection procedure} {
    setup
    set result [selection own]
    selection clear .f1
    lappend result [selection own]
} {.f1 {}}
test select-4.2 {Tk_ClearSelection procedure} {
    setup
    selection own -selection CLIPBOARD .f1
    selection clear .f1
    selection own -selection CLIPBOARD
} {.f1}
test select-4.3 {Tk_ClearSelection procedure} {
    setup
    list [selection clear .f1] [selection clear .f1]
} {{} {}}
test select-4.4 {Tk_ClearSelection procedure} {unixOnly} {
    global lostSel
    setup
    setupbg
    set lostSel {owned}
    selection own -command { set lostSel {lost1} } .f1
    update
    set result {}
    lappend result [dobg {selection clear; update}]