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markom |
# Commands covered: trace
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#
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# This file contains a collection of tests for one or more of the Tcl
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# built-in commands. Sourcing this file into Tcl runs the tests and
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# generates output for errors. No output means no errors were found.
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#
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# Copyright (c) 1991-1993 The Regents of the University of California.
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# Copyright (c) 1994 Sun Microsystems, Inc.
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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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#
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# RCS: @(#) $Id: trace.test,v 1.1.1.1 2002-01-16 10:25:36 markom Exp $
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if {[string compare test [info procs test]] == 1} then {source defs}
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proc traceScalar {name1 name2 op} {
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global info
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set info [list $name1 $name2 $op [catch {uplevel set $name1} msg] $msg]
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}
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proc traceScalarAppend {name1 name2 op} {
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global info
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lappend info $name1 $name2 $op [catch {uplevel set $name1} msg] $msg
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}
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proc traceArray {name1 name2 op} {
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global info
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set info [list $name1 $name2 $op [catch {uplevel set [set name1]($name2)} msg] $msg]
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}
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proc traceArray2 {name1 name2 op} {
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global info
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set info [list $name1 $name2 $op]
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}
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proc traceProc {name1 name2 op} {
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global info
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set info [concat $info [list $name1 $name2 $op]]
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}
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proc traceTag {tag args} {
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global info
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set info [concat $info $tag]
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}
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proc traceError {args} {
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error "trace returned error"
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}
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proc traceCheck {cmd args} {
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global info
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set info [list [catch $cmd msg] $msg]
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}
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proc traceCrtElement {value name1 name2 op} {
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uplevel set ${name1}($name2) $value
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}
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# Read-tracing on variables
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test trace-1.1 {trace variable reads} {
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catch {unset x}
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set info {}
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trace var x r traceScalar
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list [catch {set x} msg] $msg $info
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} {1 {can't read "x": no such variable} {x {} r 1 {can't read "x": no such variable}}}
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test trace-1.2 {trace variable reads} {
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catch {unset x}
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set x 123
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set info {}
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trace var x r traceScalar
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list [catch {set x} msg] $msg $info
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} {0 123 {x {} r 0 123}}
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test trace-1.3 {trace variable reads} {
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catch {unset x}
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set info {}
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trace var x r traceScalar
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set x 123
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set info
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} {}
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test trace-1.4 {trace array element reads} {
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catch {unset x}
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set info {}
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trace var x(2) r traceArray
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list [catch {set x(2)} msg] $msg $info
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} {1 {can't read "x(2)": no such element in array} {x 2 r 1 {can't read "x(2)": no such element in array}}}
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test trace-1.5 {trace array element reads} {
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catch {unset x}
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set x(2) zzz
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set info {}
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trace var x(2) r traceArray
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list [catch {set x(2)} msg] $msg $info
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} {0 zzz {x 2 r 0 zzz}}
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test trace-1.6 {trace array element reads} {
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catch {unset x}
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set info {}
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trace variable x r traceArray2
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proc p {} {
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global x
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set x(2) willi
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return $x(2)
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}
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list [catch {p} msg] $msg $info
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} {0 willi {x 2 r}}
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test trace-1.7 {trace array element reads, create element undefined if nonexistant} {
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catch {unset x}
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set info {}
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trace variable x r q
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proc q {name1 name2 op} {
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global info
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set info [list $name1 $name2 $op]
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global $name1
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set ${name1}($name2) wolf
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}
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proc p {} {
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global x
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set x(X) willi
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return $x(Y)
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}
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list [catch {p} msg] $msg $info
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} {0 wolf {x Y r}}
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test trace-1.8 {trace reads on whole arrays} {
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catch {unset x}
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set info {}
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trace var x r traceArray
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list [catch {set x(2)} msg] $msg $info
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} {1 {can't read "x(2)": no such variable} {}}
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test trace-1.9 {trace reads on whole arrays} {
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catch {unset x}
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set x(2) zzz
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set info {}
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trace var x r traceArray
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list [catch {set x(2)} msg] $msg $info
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} {0 zzz {x 2 r 0 zzz}}
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test trace-1.10 {trace variable reads} {
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catch {unset x}
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set x 444
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set info {}
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trace var x r traceScalar
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unset x
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set info
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} {}
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# Basic write-tracing on variables
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test trace-2.1 {trace variable writes} {
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catch {unset x}
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set info {}
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trace var x w traceScalar
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set x 123
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set info
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} {x {} w 0 123}
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test trace-2.2 {trace writes to array elements} {
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catch {unset x}
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set info {}
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trace var x(33) w traceArray
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set x(33) 444
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set info
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} {x 33 w 0 444}
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test trace-2.3 {trace writes on whole arrays} {
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catch {unset x}
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set info {}
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trace var x w traceArray
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set x(abc) qq
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set info
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} {x abc w 0 qq}
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test trace-2.4 {trace variable writes} {
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catch {unset x}
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set x 1234
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set info {}
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trace var x w traceScalar
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set x
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set info
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} {}
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test trace-2.5 {trace variable writes} {
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catch {unset x}
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set x 1234
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set info {}
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trace var x w traceScalar
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unset x
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set info
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} {}
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# append no longer triggers read traces when fetching the old values of
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# variables before doing the append operation. However, lappend _does_
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# still trigger these read traces. Also lappend triggers only one write
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# trace: after appending all arguments to the list.
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test trace-3.1 {trace variable read-modify-writes} {
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catch {unset x}
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set info {}
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trace var x r traceScalarAppend
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append x 123
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append x 456
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lappend x 789
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set info
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} {x {} r 0 123456}
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test trace-3.2 {trace variable read-modify-writes} {
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catch {unset x}
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set info {}
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trace var x rw traceScalarAppend
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append x 123
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lappend x 456
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set info
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} {x {} w 0 123 x {} r 0 123 x {} w 0 {123 456}}
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# Basic unset-tracing on variables
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test trace-4.1 {trace variable unsets} {
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catch {unset x}
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set info {}
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trace var x u traceScalar
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catch {unset x}
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set info
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} {x {} u 1 {can't read "x": no such variable}}
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test trace-4.2 {variable mustn't exist during unset trace} {
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catch {unset x}
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set x 1234
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set info {}
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trace var x u traceScalar
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unset x
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set info
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} {x {} u 1 {can't read "x": no such variable}}
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test trace-4.3 {unset traces mustn't be called during reads and writes} {
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catch {unset x}
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set info {}
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trace var x u traceScalar
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set x 44
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set x
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set info
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} {}
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test trace-4.4 {trace unsets on array elements} {
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catch {unset x}
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set x(0) 18
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set info {}
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trace var x(1) u traceArray
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catch {unset x(1)}
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set info
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} {x 1 u 1 {can't read "x(1)": no such element in array}}
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test trace-4.5 {trace unsets on array elements} {
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catch {unset x}
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set x(1) 18
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set info {}
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trace var x(1) u traceArray
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unset x(1)
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set info
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} {x 1 u 1 {can't read "x(1)": no such element in array}}
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test trace-4.6 {trace unsets on array elements} {
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catch {unset x}
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set x(1) 18
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set info {}
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trace var x(1) u traceArray
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unset x
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set info
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} {x 1 u 1 {can't read "x(1)": no such variable}}
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test trace-4.7 {trace unsets on whole arrays} {
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catch {unset x}
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set x(1) 18
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set info {}
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trace var x u traceProc
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catch {unset x(0)}
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set info
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} {}
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test trace-4.8 {trace unsets on whole arrays} {
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catch {unset x}
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set x(1) 18
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set x(2) 144
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set x(3) 14
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set info {}
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trace var x u traceProc
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unset x(1)
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set info
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} {x 1 u}
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test trace-4.9 {trace unsets on whole arrays} {
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catch {unset x}
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set x(1) 18
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set x(2) 144
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set x(3) 14
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set info {}
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trace var x u traceProc
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unset x
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set info
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} {x {} u}
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# Trace multiple trace types at once.
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test trace-5.1 {multiple ops traced at once} {
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catch {unset x}
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set info {}
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| 283 |
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trace var x rwu traceProc
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| 284 |
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catch {set x}
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| 285 |
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set x 22
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| 286 |
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set x
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| 287 |
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set x 33
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| 288 |
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unset x
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set info
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| 290 |
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} {x {} r x {} w x {} r x {} w x {} u}
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test trace-5.2 {multiple ops traced on array element} {
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| 292 |
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catch {unset x}
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set info {}
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| 294 |
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trace var x(0) rwu traceProc
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| 295 |
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catch {set x(0)}
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| 296 |
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set x(0) 22
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| 297 |
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set x(0)
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| 298 |
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set x(0) 33
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| 299 |
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unset x(0)
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| 300 |
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unset x
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| 301 |
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set info
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| 302 |
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} {x 0 r x 0 w x 0 r x 0 w x 0 u}
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| 303 |
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test trace-5.3 {multiple ops traced on whole array} {
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| 304 |
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catch {unset x}
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| 305 |
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set info {}
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| 306 |
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trace var x rwu traceProc
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| 307 |
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catch {set x(0)}
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| 308 |
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set x(0) 22
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| 309 |
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set x(0)
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| 310 |
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set x(0) 33
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| 311 |
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unset x(0)
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| 312 |
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unset x
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| 313 |
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set info
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| 314 |
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} {x 0 w x 0 r x 0 w x 0 u x {} u}
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| 315 |
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| 316 |
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# Check order of invocation of traces
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| 317 |
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| 318 |
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test trace-6.1 {order of invocation of traces} {
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| 319 |
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catch {unset x}
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| 320 |
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set info {}
|
| 321 |
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trace var x r "traceTag 1"
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| 322 |
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trace var x r "traceTag 2"
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| 323 |
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trace var x r "traceTag 3"
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| 324 |
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catch {set x}
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| 325 |
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set x 22
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| 326 |
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set x
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| 327 |
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set info
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| 328 |
|
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} {3 2 1 3 2 1}
|
| 329 |
|
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test trace-6.2 {order of invocation of traces} {
|
| 330 |
|
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catch {unset x}
|
| 331 |
|
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set x(0) 44
|
| 332 |
|
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set info {}
|
| 333 |
|
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trace var x(0) r "traceTag 1"
|
| 334 |
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trace var x(0) r "traceTag 2"
|
| 335 |
|
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trace var x(0) r "traceTag 3"
|
| 336 |
|
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set x(0)
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| 337 |
|
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set info
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| 338 |
|
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} {3 2 1}
|
| 339 |
|
|
test trace-6.3 {order of invocation of traces} {
|
| 340 |
|
|
catch {unset x}
|
| 341 |
|
|
set x(0) 44
|
| 342 |
|
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set info {}
|
| 343 |
|
|
trace var x(0) r "traceTag 1"
|
| 344 |
|
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trace var x r "traceTag A1"
|
| 345 |
|
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trace var x(0) r "traceTag 2"
|
| 346 |
|
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trace var x r "traceTag A2"
|
| 347 |
|
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trace var x(0) r "traceTag 3"
|
| 348 |
|
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trace var x r "traceTag A3"
|
| 349 |
|
|
set x(0)
|
| 350 |
|
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set info
|
| 351 |
|
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} {A3 A2 A1 3 2 1}
|
| 352 |
|
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|
| 353 |
|
|
# Check effects of errors in trace procedures
|
| 354 |
|
|
|
| 355 |
|
|
test trace-7.1 {error returns from traces} {
|
| 356 |
|
|
catch {unset x}
|
| 357 |
|
|
set x 123
|
| 358 |
|
|
set info {}
|
| 359 |
|
|
trace var x r "traceTag 1"
|
| 360 |
|
|
trace var x r traceError
|
| 361 |
|
|
list [catch {set x} msg] $msg $info
|
| 362 |
|
|
} {1 {can't read "x": trace returned error} {}}
|
| 363 |
|
|
test trace-7.2 {error returns from traces} {
|
| 364 |
|
|
catch {unset x}
|
| 365 |
|
|
set x 123
|
| 366 |
|
|
set info {}
|
| 367 |
|
|
trace var x w "traceTag 1"
|
| 368 |
|
|
trace var x w traceError
|
| 369 |
|
|
list [catch {set x 44} msg] $msg $info
|
| 370 |
|
|
} {1 {can't set "x": trace returned error} {}}
|
| 371 |
|
|
test trace-7.3 {error returns from traces} {
|
| 372 |
|
|
catch {unset x}
|
| 373 |
|
|
set x 123
|
| 374 |
|
|
set info {}
|
| 375 |
|
|
trace var x w traceError
|
| 376 |
|
|
list [catch {append x 44} msg] $msg $info
|
| 377 |
|
|
} {1 {can't set "x": trace returned error} {}}
|
| 378 |
|
|
test trace-7.4 {error returns from traces} {
|
| 379 |
|
|
catch {unset x}
|
| 380 |
|
|
set x 123
|
| 381 |
|
|
set info {}
|
| 382 |
|
|
trace var x u "traceTag 1"
|
| 383 |
|
|
trace var x u traceError
|
| 384 |
|
|
list [catch {unset x} msg] $msg $info
|
| 385 |
|
|
} {0 {} 1}
|
| 386 |
|
|
test trace-7.5 {error returns from traces} {
|
| 387 |
|
|
catch {unset x}
|
| 388 |
|
|
set x(0) 123
|
| 389 |
|
|
set info {}
|
| 390 |
|
|
trace var x(0) r "traceTag 1"
|
| 391 |
|
|
trace var x r "traceTag 2"
|
| 392 |
|
|
trace var x r traceError
|
| 393 |
|
|
trace var x r "traceTag 3"
|
| 394 |
|
|
list [catch {set x(0)} msg] $msg $info
|
| 395 |
|
|
} {1 {can't read "x(0)": trace returned error} 3}
|
| 396 |
|
|
test trace-7.6 {error returns from traces} {
|
| 397 |
|
|
catch {unset x}
|
| 398 |
|
|
set x 123
|
| 399 |
|
|
trace var x u traceError
|
| 400 |
|
|
list [catch {unset x} msg] $msg
|
| 401 |
|
|
} {0 {}}
|
| 402 |
|
|
test trace-7.7 {error returns from traces} {
|
| 403 |
|
|
# This test just makes sure that the memory for the error message
|
| 404 |
|
|
# gets deallocated correctly when the trace is invoked again or
|
| 405 |
|
|
# when the trace is deleted.
|
| 406 |
|
|
catch {unset x}
|
| 407 |
|
|
set x 123
|
| 408 |
|
|
trace var x r traceError
|
| 409 |
|
|
catch {set x}
|
| 410 |
|
|
catch {set x}
|
| 411 |
|
|
trace vdelete x r traceError
|
| 412 |
|
|
} {}
|
| 413 |
|
|
|
| 414 |
|
|
# Check to see that variables are expunged before trace
|
| 415 |
|
|
# procedures are invoked, so trace procedure can even manipulate
|
| 416 |
|
|
# a new copy of the variables.
|
| 417 |
|
|
|
| 418 |
|
|
test trace-8.1 {be sure variable is unset before trace is called} {
|
| 419 |
|
|
catch {unset x}
|
| 420 |
|
|
set x 33
|
| 421 |
|
|
set info {}
|
| 422 |
|
|
trace var x u {traceCheck {uplevel set x}}
|
| 423 |
|
|
unset x
|
| 424 |
|
|
set info
|
| 425 |
|
|
} {1 {can't read "x": no such variable}}
|
| 426 |
|
|
test trace-8.2 {be sure variable is unset before trace is called} {
|
| 427 |
|
|
catch {unset x}
|
| 428 |
|
|
set x 33
|
| 429 |
|
|
set info {}
|
| 430 |
|
|
trace var x u {traceCheck {uplevel set x 22}}
|
| 431 |
|
|
unset x
|
| 432 |
|
|
concat $info [list [catch {set x} msg] $msg]
|
| 433 |
|
|
} {0 22 0 22}
|
| 434 |
|
|
test trace-8.3 {be sure traces are cleared before unset trace called} {
|
| 435 |
|
|
catch {unset x}
|
| 436 |
|
|
set x 33
|
| 437 |
|
|
set info {}
|
| 438 |
|
|
trace var x u {traceCheck {uplevel trace vinfo x}}
|
| 439 |
|
|
unset x
|
| 440 |
|
|
set info
|
| 441 |
|
|
} {0 {}}
|
| 442 |
|
|
test trace-8.4 {set new trace during unset trace} {
|
| 443 |
|
|
catch {unset x}
|
| 444 |
|
|
set x 33
|
| 445 |
|
|
set info {}
|
| 446 |
|
|
trace var x u {traceCheck {global x; trace var x u traceProc}}
|
| 447 |
|
|
unset x
|
| 448 |
|
|
concat $info [trace vinfo x]
|
| 449 |
|
|
} {0 {} {u traceProc}}
|
| 450 |
|
|
|
| 451 |
|
|
test trace-9.1 {make sure array elements are unset before traces are called} {
|
| 452 |
|
|
catch {unset x}
|
| 453 |
|
|
set x(0) 33
|
| 454 |
|
|
set info {}
|
| 455 |
|
|
trace var x(0) u {traceCheck {uplevel set x(0)}}
|
| 456 |
|
|
unset x(0)
|
| 457 |
|
|
set info
|
| 458 |
|
|
} {1 {can't read "x(0)": no such element in array}}
|
| 459 |
|
|
test trace-9.2 {make sure array elements are unset before traces are called} {
|
| 460 |
|
|
catch {unset x}
|
| 461 |
|
|
set x(0) 33
|
| 462 |
|
|
set info {}
|
| 463 |
|
|
trace var x(0) u {traceCheck {uplevel set x(0) zzz}}
|
| 464 |
|
|
unset x(0)
|
| 465 |
|
|
concat $info [list [catch {set x(0)} msg] $msg]
|
| 466 |
|
|
} {0 zzz 0 zzz}
|
| 467 |
|
|
test trace-9.3 {array elements are unset before traces are called} {
|
| 468 |
|
|
catch {unset x}
|
| 469 |
|
|
set x(0) 33
|
| 470 |
|
|
set info {}
|
| 471 |
|
|
trace var x(0) u {traceCheck {global x; trace vinfo x(0)}}
|
| 472 |
|
|
unset x(0)
|
| 473 |
|
|
set info
|
| 474 |
|
|
} {0 {}}
|
| 475 |
|
|
test trace-9.4 {set new array element trace during unset trace} {
|
| 476 |
|
|
catch {unset x}
|
| 477 |
|
|
set x(0) 33
|
| 478 |
|
|
set info {}
|
| 479 |
|
|
trace var x(0) u {traceCheck {uplevel {trace variable x(0) r {}}}}
|
| 480 |
|
|
catch {unset x(0)}
|
| 481 |
|
|
concat $info [trace vinfo x(0)]
|
| 482 |
|
|
} {0 {} {r {}}}
|
| 483 |
|
|
|
| 484 |
|
|
test trace-10.1 {make sure arrays are unset before traces are called} {
|
| 485 |
|
|
catch {unset x}
|
| 486 |
|
|
set x(0) 33
|
| 487 |
|
|
set info {}
|
| 488 |
|
|
trace var x u {traceCheck {uplevel set x(0)}}
|
| 489 |
|
|
unset x
|
| 490 |
|
|
set info
|
| 491 |
|
|
} {1 {can't read "x(0)": no such variable}}
|
| 492 |
|
|
test trace-10.2 {make sure arrays are unset before traces are called} {
|
| 493 |
|
|
catch {unset x}
|
| 494 |
|
|
set x(y) 33
|
| 495 |
|
|
set info {}
|
| 496 |
|
|
trace var x u {traceCheck {uplevel set x(y) 22}}
|
| 497 |
|
|
unset x
|
| 498 |
|
|
concat $info [list [catch {set x(y)} msg] $msg]
|
| 499 |
|
|
} {0 22 0 22}
|
| 500 |
|
|
test trace-10.3 {make sure arrays are unset before traces are called} {
|
| 501 |
|
|
catch {unset x}
|
| 502 |
|
|
set x(y) 33
|
| 503 |
|
|
set info {}
|
| 504 |
|
|
trace var x u {traceCheck {uplevel array exists x}}
|
| 505 |
|
|
unset x
|
| 506 |
|
|
set info
|
| 507 |
|
|
} {0 0}
|
| 508 |
|
|
test trace-10.4 {make sure arrays are unset before traces are called} {
|
| 509 |
|
|
catch {unset x}
|
| 510 |
|
|
set x(y) 33
|
| 511 |
|
|
set info {}
|
| 512 |
|
|
set cmd {traceCheck {uplevel {trace vinfo x}}}
|
| 513 |
|
|
trace var x u $cmd
|
| 514 |
|
|
unset x
|
| 515 |
|
|
set info
|
| 516 |
|
|
} {0 {}}
|
| 517 |
|
|
test trace-10.5 {set new array trace during unset trace} {
|
| 518 |
|
|
catch {unset x}
|
| 519 |
|
|
set x(y) 33
|
| 520 |
|
|
set info {}
|
| 521 |
|
|
trace var x u {traceCheck {global x; trace var x r {}}}
|
| 522 |
|
|
unset x
|
| 523 |
|
|
concat $info [trace vinfo x]
|
| 524 |
|
|
} {0 {} {r {}}}
|
| 525 |
|
|
test trace-10.6 {create scalar during array unset trace} {
|
| 526 |
|
|
catch {unset x}
|
| 527 |
|
|
set x(y) 33
|
| 528 |
|
|
set info {}
|
| 529 |
|
|
trace var x u {traceCheck {global x; set x 44}}
|
| 530 |
|
|
unset x
|
| 531 |
|
|
concat $info [list [catch {set x} msg] $msg]
|
| 532 |
|
|
} {0 44 0 44}
|
| 533 |
|
|
|
| 534 |
|
|
# Check special conditions (e.g. errors) in Tcl_TraceVar2.
|
| 535 |
|
|
|
| 536 |
|
|
test trace-11.1 {creating array when setting variable traces} {
|
| 537 |
|
|
catch {unset x}
|
| 538 |
|
|
set info {}
|
| 539 |
|
|
trace var x(0) w traceProc
|
| 540 |
|
|
list [catch {set x 22} msg] $msg
|
| 541 |
|
|
} {1 {can't set "x": variable is array}}
|
| 542 |
|
|
test trace-11.2 {creating array when setting variable traces} {
|
| 543 |
|
|
catch {unset x}
|
| 544 |
|
|
set info {}
|
| 545 |
|
|
trace var x(0) w traceProc
|
| 546 |
|
|
list [catch {set x(0)} msg] $msg
|
| 547 |
|
|
} {1 {can't read "x(0)": no such element in array}}
|
| 548 |
|
|
test trace-11.3 {creating array when setting variable traces} {
|
| 549 |
|
|
catch {unset x}
|
| 550 |
|
|
set info {}
|
| 551 |
|
|
trace var x(0) w traceProc
|
| 552 |
|
|
set x(0) 22
|
| 553 |
|
|
set info
|
| 554 |
|
|
} {x 0 w}
|
| 555 |
|
|
test trace-11.4 {creating variable when setting variable traces} {
|
| 556 |
|
|
catch {unset x}
|
| 557 |
|
|
set info {}
|
| 558 |
|
|
trace var x w traceProc
|
| 559 |
|
|
list [catch {set x} msg] $msg
|
| 560 |
|
|
} {1 {can't read "x": no such variable}}
|
| 561 |
|
|
test trace-11.5 {creating variable when setting variable traces} {
|
| 562 |
|
|
catch {unset x}
|
| 563 |
|
|
set info {}
|
| 564 |
|
|
trace var x w traceProc
|
| 565 |
|
|
set x 22
|
| 566 |
|
|
set info
|
| 567 |
|
|
} {x {} w}
|
| 568 |
|
|
test trace-11.6 {creating variable when setting variable traces} {
|
| 569 |
|
|
catch {unset x}
|
| 570 |
|
|
set info {}
|
| 571 |
|
|
trace var x w traceProc
|
| 572 |
|
|
set x(0) 22
|
| 573 |
|
|
set info
|
| 574 |
|
|
} {x 0 w}
|
| 575 |
|
|
test trace-11.7 {create array element during read trace} {
|
| 576 |
|
|
catch {unset x}
|
| 577 |
|
|
set x(2) zzz
|
| 578 |
|
|
trace var x r {traceCrtElement xyzzy}
|
| 579 |
|
|
list [catch {set x(3)} msg] $msg
|
| 580 |
|
|
} {0 xyzzy}
|
| 581 |
|
|
test trace-11.8 {errors when setting variable traces} {
|
| 582 |
|
|
catch {unset x}
|
| 583 |
|
|
set x 44
|
| 584 |
|
|
list [catch {trace var x(0) w traceProc} msg] $msg
|
| 585 |
|
|
} {1 {can't trace "x(0)": variable isn't array}}
|
| 586 |
|
|
|
| 587 |
|
|
# Check deleting one trace from another.
|
| 588 |
|
|
|
| 589 |
|
|
test trace-12.1 {delete one trace from another} {
|
| 590 |
|
|
proc delTraces {args} {
|
| 591 |
|
|
global x
|
| 592 |
|
|
trace vdel x r {traceTag 2}
|
| 593 |
|
|
trace vdel x r {traceTag 3}
|
| 594 |
|
|
trace vdel x r {traceTag 4}
|
| 595 |
|
|
}
|
| 596 |
|
|
catch {unset x}
|
| 597 |
|
|
set x 44
|
| 598 |
|
|
set info {}
|
| 599 |
|
|
trace var x r {traceTag 1}
|
| 600 |
|
|
trace var x r {traceTag 2}
|
| 601 |
|
|
trace var x r {traceTag 3}
|
| 602 |
|
|
trace var x r {traceTag 4}
|
| 603 |
|
|
trace var x r delTraces
|
| 604 |
|
|
trace var x r {traceTag 5}
|
| 605 |
|
|
set x
|
| 606 |
|
|
set info
|
| 607 |
|
|
} {5 1}
|
| 608 |
|
|
|
| 609 |
|
|
# Check operation and syntax of "trace" command.
|
| 610 |
|
|
|
| 611 |
|
|
test trace-13.1 {trace command (overall)} {
|
| 612 |
|
|
list [catch {trace} msg] $msg
|
| 613 |
|
|
} {1 {too few args: should be "trace option [arg arg ...]"}}
|
| 614 |
|
|
test trace-13.2 {trace command (overall)} {
|
| 615 |
|
|
list [catch {trace gorp} msg] $msg
|
| 616 |
|
|
} {1 {bad option "gorp": should be variable, vdelete, or vinfo}}
|
| 617 |
|
|
test trace-13.3 {trace command ("variable" option)} {
|
| 618 |
|
|
list [catch {trace variable x y} msg] $msg
|
| 619 |
|
|
} {1 {wrong # args: should be "trace variable name ops command"}}
|
| 620 |
|
|
test trace-13.4 {trace command ("variable" option)} {
|
| 621 |
|
|
list [catch {trace var x y z z2} msg] $msg
|
| 622 |
|
|
} {1 {wrong # args: should be "trace variable name ops command"}}
|
| 623 |
|
|
test trace-13.5 {trace command ("variable" option)} {
|
| 624 |
|
|
list [catch {trace var x y z} msg] $msg
|
| 625 |
|
|
} {1 {bad operations "y": should be one or more of rwu}}
|
| 626 |
|
|
test trace-13.6 {trace command ("vdelete" option)} {
|
| 627 |
|
|
list [catch {trace vdelete x y} msg] $msg
|
| 628 |
|
|
} {1 {wrong # args: should be "trace vdelete name ops command"}}
|
| 629 |
|
|
test trace-13.7 {trace command ("vdelete" option)} {
|
| 630 |
|
|
list [catch {trace vdelete x y z foo} msg] $msg
|
| 631 |
|
|
} {1 {wrong # args: should be "trace vdelete name ops command"}}
|
| 632 |
|
|
test trace-13.8 {trace command ("vdelete" option)} {
|
| 633 |
|
|
list [catch {trace vdelete x y z} msg] $msg
|
| 634 |
|
|
} {1 {bad operations "y": should be one or more of rwu}}
|
| 635 |
|
|
test trace-13.9 {trace command ("vdelete" option)} {
|
| 636 |
|
|
catch {unset x}
|
| 637 |
|
|
set info {}
|
| 638 |
|
|
trace var x w traceProc
|
| 639 |
|
|
trace vdelete x w traceProc
|
| 640 |
|
|
} {}
|
| 641 |
|
|
test trace-13.10 {trace command ("vdelete" option)} {
|
| 642 |
|
|
catch {unset x}
|
| 643 |
|
|
set info {}
|
| 644 |
|
|
trace var x w traceProc
|
| 645 |
|
|
trace vdelete x w traceProc
|
| 646 |
|
|
set x 12345
|
| 647 |
|
|
set info
|
| 648 |
|
|
} {}
|
| 649 |
|
|
test trace-13.11 {trace command ("vdelete" option)} {
|
| 650 |
|
|
catch {unset x}
|
| 651 |
|
|
set info {}
|
| 652 |
|
|
trace var x w {traceTag 1}
|
| 653 |
|
|
trace var x w traceProc
|
| 654 |
|
|
trace var x w {traceTag 2}
|
| 655 |
|
|
set x yy
|
| 656 |
|
|
trace vdelete x w traceProc
|
| 657 |
|
|
set x 12345
|
| 658 |
|
|
trace vdelete x w {traceTag 1}
|
| 659 |
|
|
set x foo
|
| 660 |
|
|
trace vdelete x w {traceTag 2}
|
| 661 |
|
|
set x gorp
|
| 662 |
|
|
set info
|
| 663 |
|
|
} {2 x {} w 1 2 1 2}
|
| 664 |
|
|
test trace-13.12 {trace command ("vdelete" option)} {
|
| 665 |
|
|
catch {unset x}
|
| 666 |
|
|
set info {}
|
| 667 |
|
|
trace var x w {traceTag 1}
|
| 668 |
|
|
trace vdelete x w non_existent
|
| 669 |
|
|
set x 12345
|
| 670 |
|
|
set info
|
| 671 |
|
|
} {1}
|
| 672 |
|
|
test trace-13.13 {trace command ("vinfo" option)} {
|
| 673 |
|
|
list [catch {trace vinfo} msg] $msg]
|
| 674 |
|
|
} {1 {wrong # args: should be "trace vinfo name"]}}
|
| 675 |
|
|
test trace-13.14 {trace command ("vinfo" option)} {
|
| 676 |
|
|
list [catch {trace vinfo x y} msg] $msg]
|
| 677 |
|
|
} {1 {wrong # args: should be "trace vinfo name"]}}
|
| 678 |
|
|
test trace-13.15 {trace command ("vinfo" option)} {
|
| 679 |
|
|
catch {unset x}
|
| 680 |
|
|
trace var x w {traceTag 1}
|
| 681 |
|
|
trace var x w traceProc
|
| 682 |
|
|
trace var x w {traceTag 2}
|
| 683 |
|
|
trace vinfo x
|
| 684 |
|
|
} {{w {traceTag 2}} {w traceProc} {w {traceTag 1}}}
|
| 685 |
|
|
test trace-13.16 {trace command ("vinfo" option)} {
|
| 686 |
|
|
catch {unset x}
|
| 687 |
|
|
trace vinfo x
|
| 688 |
|
|
} {}
|
| 689 |
|
|
test trace-13.17 {trace command ("vinfo" option)} {
|
| 690 |
|
|
catch {unset x}
|
| 691 |
|
|
trace vinfo x(0)
|
| 692 |
|
|
} {}
|
| 693 |
|
|
test trace-13.18 {trace command ("vinfo" option)} {
|
| 694 |
|
|
catch {unset x}
|
| 695 |
|
|
set x 44
|
| 696 |
|
|
trace vinfo x(0)
|
| 697 |
|
|
} {}
|
| 698 |
|
|
test trace-13.19 {trace command ("vinfo" option)} {
|
| 699 |
|
|
catch {unset x}
|
| 700 |
|
|
set x 44
|
| 701 |
|
|
trace var x w {traceTag 1}
|
| 702 |
|
|
proc check {} {global x; trace vinfo x}
|
| 703 |
|
|
check
|
| 704 |
|
|
} {{w {traceTag 1}}}
|
| 705 |
|
|
|
| 706 |
|
|
# Check fancy trace commands (long ones, weird arguments, etc.)
|
| 707 |
|
|
|
| 708 |
|
|
test trace-14.1 {long trace command} {
|
| 709 |
|
|
catch {unset x}
|
| 710 |
|
|
set info {}
|
| 711 |
|
|
trace var x w {traceTag {This is a very very long argument. It's \
|
| 712 |
|
|
designed to test out the facilities of TraceVarProc for dealing \
|
| 713 |
|
|
with such long arguments by malloc-ing space. One possibility \
|
| 714 |
|
|
is that space doesn't get freed properly. If this happens, then \
|
| 715 |
|
|
invoking this test over and over again will eventually leak memory.}}
|
| 716 |
|
|
set x 44
|
| 717 |
|
|
set info
|
| 718 |
|
|
} {This is a very very long argument. It's \
|
| 719 |
|
|
designed to test out the facilities of TraceVarProc for dealing \
|
| 720 |
|
|
with such long arguments by malloc-ing space. One possibility \
|
| 721 |
|
|
is that space doesn't get freed properly. If this happens, then \
|
| 722 |
|
|
invoking this test over and over again will eventually leak memory.}
|
| 723 |
|
|
test trace-14.2 {long trace command result to ignore} {
|
| 724 |
|
|
proc longResult {args} {return "quite a bit of text, designed to
|
| 725 |
|
|
generate a core leak if this command file is invoked over and over again
|
| 726 |
|
|
and memory isn't being recycled correctly"}
|
| 727 |
|
|
catch {unset x}
|
| 728 |
|
|
trace var x w longResult
|
| 729 |
|
|
set x 44
|
| 730 |
|
|
set x 5
|
| 731 |
|
|
set x abcde
|
| 732 |
|
|
} abcde
|
| 733 |
|
|
test trace-14.3 {special list-handling in trace commands} {
|
| 734 |
|
|
catch {unset "x y z"}
|
| 735 |
|
|
set "x y z(a\n\{)" 44
|
| 736 |
|
|
set info {}
|
| 737 |
|
|
trace var "x y z(a\n\{)" w traceProc
|
| 738 |
|
|
set "x y z(a\n\{)" 33
|
| 739 |
|
|
set info
|
| 740 |
|
|
} "{x y z} a\\n\\{ w"
|
| 741 |
|
|
|
| 742 |
|
|
# Check for proper handling of unsets during traces.
|
| 743 |
|
|
|
| 744 |
|
|
proc traceUnset {unsetName args} {
|
| 745 |
|
|
global info
|
| 746 |
|
|
upvar $unsetName x
|
| 747 |
|
|
lappend info [catch {unset x} msg] $msg [catch {set x} msg] $msg
|
| 748 |
|
|
}
|
| 749 |
|
|
proc traceReset {unsetName resetName args} {
|
| 750 |
|
|
global info
|
| 751 |
|
|
upvar $unsetName x $resetName y
|
| 752 |
|
|
lappend info [catch {unset x} msg] $msg [catch {set y xyzzy} msg] $msg
|
| 753 |
|
|
}
|
| 754 |
|
|
proc traceReset2 {unsetName resetName args} {
|
| 755 |
|
|
global info
|
| 756 |
|
|
lappend info [catch {uplevel unset $unsetName} msg] $msg \
|
| 757 |
|
|
[catch {uplevel set $resetName xyzzy} msg] $msg
|
| 758 |
|
|
}
|
| 759 |
|
|
proc traceAppend {string name1 name2 op} {
|
| 760 |
|
|
global info
|
| 761 |
|
|
lappend info $string
|
| 762 |
|
|
}
|
| 763 |
|
|
|
| 764 |
|
|
test trace-15.1 {unsets during read traces} {
|
| 765 |
|
|
catch {unset y}
|
| 766 |
|
|
set y 1234
|
| 767 |
|
|
set info {}
|
| 768 |
|
|
trace var y r {traceUnset y}
|
| 769 |
|
|
trace var y u {traceAppend unset}
|
| 770 |
|
|
lappend info [catch {set y} msg] $msg
|
| 771 |
|
|
} {unset 0 {} 1 {can't read "x": no such variable} 1 {can't read "y": no such variable}}
|
| 772 |
|
|
test trace-15.2 {unsets during read traces} {
|
| 773 |
|
|
catch {unset y}
|
| 774 |
|
|
set y(0) 1234
|
| 775 |
|
|
set info {}
|
| 776 |
|
|
trace var y(0) r {traceUnset y(0)}
|
| 777 |
|
|
lappend info [catch {set y(0)} msg] $msg
|
| 778 |
|
|
} {0 {} 1 {can't read "x": no such variable} 1 {can't read "y(0)": no such element in array}}
|
| 779 |
|
|
test trace-15.3 {unsets during read traces} {
|
| 780 |
|
|
catch {unset y}
|
| 781 |
|
|
set y(0) 1234
|
| 782 |
|
|
set info {}
|
| 783 |
|
|
trace var y(0) r {traceUnset y}
|
| 784 |
|
|
lappend info [catch {set y(0)} msg] $msg
|
| 785 |
|
|
} {0 {} 1 {can't read "x": no such variable} 1 {can't read "y(0)": no such variable}}
|
| 786 |
|
|
test trace-15.4 {unsets during read traces} {
|
| 787 |
|
|
catch {unset y}
|
| 788 |
|
|
set y 1234
|
| 789 |
|
|
set info {}
|
| 790 |
|
|
trace var y r {traceReset y y}
|
| 791 |
|
|
lappend info [catch {set y} msg] $msg
|
| 792 |
|
|
} {0 {} 0 xyzzy 0 xyzzy}
|
| 793 |
|
|
test trace-15.5 {unsets during read traces} {
|
| 794 |
|
|
catch {unset y}
|
| 795 |
|
|
set y(0) 1234
|
| 796 |
|
|
set info {}
|
| 797 |
|
|
trace var y(0) r {traceReset y(0) y(0)}
|
| 798 |
|
|
lappend info [catch {set y(0)} msg] $msg
|
| 799 |
|
|
} {0 {} 0 xyzzy 0 xyzzy}
|
| 800 |
|
|
test trace-15.6 {unsets during read traces} {
|
| 801 |
|
|
catch {unset y}
|
| 802 |
|
|
set y(0) 1234
|
| 803 |
|
|
set info {}
|
| 804 |
|
|
trace var y(0) r {traceReset y y(0)}
|
| 805 |
|
|
lappend info [catch {set y(0)} msg] $msg [catch {set y(0)} msg] $msg
|
| 806 |
|
|
} {0 {} 1 {can't set "y": upvar refers to element in deleted array} 1 {can't read "y(0)": no such variable} 1 {can't read "y(0)": no such variable}}
|
| 807 |
|
|
test trace-15.7 {unsets during read traces} {
|
| 808 |
|
|
catch {unset y}
|
| 809 |
|
|
set y(0) 1234
|
| 810 |
|
|
set info {}
|
| 811 |
|
|
trace var y(0) r {traceReset2 y y(0)}
|
| 812 |
|
|
lappend info [catch {set y(0)} msg] $msg [catch {set y(0)} msg] $msg
|
| 813 |
|
|
} {0 {} 0 xyzzy 1 {can't read "y(0)": no such element in array} 0 xyzzy}
|
| 814 |
|
|
test trace-15.8 {unsets during write traces} {
|
| 815 |
|
|
catch {unset y}
|
| 816 |
|
|
set y 1234
|
| 817 |
|
|
set info {}
|
| 818 |
|
|
trace var y w {traceUnset y}
|
| 819 |
|
|
trace var y u {traceAppend unset}
|
| 820 |
|
|
lappend info [catch {set y xxx} msg] $msg
|
| 821 |
|
|
} {unset 0 {} 1 {can't read "x": no such variable} 0 {}}
|
| 822 |
|
|
test trace-15.9 {unsets during write traces} {
|
| 823 |
|
|
catch {unset y}
|
| 824 |
|
|
set y(0) 1234
|
| 825 |
|
|
set info {}
|
| 826 |
|
|
trace var y(0) w {traceUnset y(0)}
|
| 827 |
|
|
lappend info [catch {set y(0) xxx} msg] $msg
|
| 828 |
|
|
} {0 {} 1 {can't read "x": no such variable} 0 {}}
|
| 829 |
|
|
test trace-15.10 {unsets during write traces} {
|
| 830 |
|
|
catch {unset y}
|
| 831 |
|
|
set y(0) 1234
|
| 832 |
|
|
set info {}
|
| 833 |
|
|
trace var y(0) w {traceUnset y}
|
| 834 |
|
|
lappend info [catch {set y(0) xxx} msg] $msg
|
| 835 |
|
|
} {0 {} 1 {can't read "x": no such variable} 0 {}}
|
| 836 |
|
|
test trace-15.11 {unsets during write traces} {
|
| 837 |
|
|
catch {unset y}
|
| 838 |
|
|
set y 1234
|
| 839 |
|
|
set info {}
|
| 840 |
|
|
trace var y w {traceReset y y}
|
| 841 |
|
|
lappend info [catch {set y xxx} msg] $msg
|
| 842 |
|
|
} {0 {} 0 xyzzy 0 xyzzy}
|
| 843 |
|
|
test trace-15.12 {unsets during write traces} {
|
| 844 |
|
|
catch {unset y}
|
| 845 |
|
|
set y(0) 1234
|
| 846 |
|
|
set info {}
|
| 847 |
|
|
trace var y(0) w {traceReset y(0) y(0)}
|
| 848 |
|
|
lappend info [catch {set y(0) xxx} msg] $msg
|
| 849 |
|
|
} {0 {} 0 xyzzy 0 xyzzy}
|
| 850 |
|
|
test trace-15.13 {unsets during write traces} {
|
| 851 |
|
|
catch {unset y}
|
| 852 |
|
|
set y(0) 1234
|
| 853 |
|
|
set info {}
|
| 854 |
|
|
trace var y(0) w {traceReset y y(0)}
|
| 855 |
|
|
lappend info [catch {set y(0) xxx} msg] $msg [catch {set y(0)} msg] $msg
|
| 856 |
|
|
} {0 {} 1 {can't set "y": upvar refers to element in deleted array} 0 {} 1 {can't read "y(0)": no such variable}}
|
| 857 |
|
|
test trace-15.14 {unsets during write traces} {
|
| 858 |
|
|
catch {unset y}
|
| 859 |
|
|
set y(0) 1234
|
| 860 |
|
|
set info {}
|
| 861 |
|
|
trace var y(0) w {traceReset2 y y(0)}
|
| 862 |
|
|
lappend info [catch {set y(0) xxx} msg] $msg [catch {set y(0)} msg] $msg
|
| 863 |
|
|
} {0 {} 0 xyzzy 0 {} 0 xyzzy}
|
| 864 |
|
|
test trace-15.15 {unsets during unset traces} {
|
| 865 |
|
|
catch {unset y}
|
| 866 |
|
|
set y 1234
|
| 867 |
|
|
set info {}
|
| 868 |
|
|
trace var y u {traceUnset y}
|
| 869 |
|
|
lappend info [catch {unset y} msg] $msg [catch {set y} msg] $msg
|
| 870 |
|
|
} {1 {can't unset "x": no such variable} 1 {can't read "x": no such variable} 0 {} 1 {can't read "y": no such variable}}
|
| 871 |
|
|
test trace-15.16 {unsets during unset traces} {
|
| 872 |
|
|
catch {unset y}
|
| 873 |
|
|
set y(0) 1234
|
| 874 |
|
|
set info {}
|
| 875 |
|
|
trace var y(0) u {traceUnset y(0)}
|
| 876 |
|
|
lappend info [catch {unset y(0)} msg] $msg [catch {set y(0)} msg] $msg
|
| 877 |
|
|
} {1 {can't unset "x": no such variable} 1 {can't read "x": no such variable} 0 {} 1 {can't read "y(0)": no such element in array}}
|
| 878 |
|
|
test trace-15.17 {unsets during unset traces} {
|
| 879 |
|
|
catch {unset y}
|
| 880 |
|
|
set y(0) 1234
|
| 881 |
|
|
set info {}
|
| 882 |
|
|
trace var y(0) u {traceUnset y}
|
| 883 |
|
|
lappend info [catch {unset y(0)} msg] $msg [catch {set y(0)} msg] $msg
|
| 884 |
|
|
} {0 {} 1 {can't read "x": no such variable} 0 {} 1 {can't read "y(0)": no such variable}}
|
| 885 |
|
|
test trace-15.18 {unsets during unset traces} {
|
| 886 |
|
|
catch {unset y}
|
| 887 |
|
|
set y 1234
|
| 888 |
|
|
set info {}
|
| 889 |
|
|
trace var y u {traceReset2 y y}
|
| 890 |
|
|
lappend info [catch {unset y} msg] $msg [catch {set y} msg] $msg
|
| 891 |
|
|
} {1 {can't unset "y": no such variable} 0 xyzzy 0 {} 0 xyzzy}
|
| 892 |
|
|
test trace-15.19 {unsets during unset traces} {
|
| 893 |
|
|
catch {unset y}
|
| 894 |
|
|
set y(0) 1234
|
| 895 |
|
|
set info {}
|
| 896 |
|
|
trace var y(0) u {traceReset2 y(0) y(0)}
|
| 897 |
|
|
lappend info [catch {unset y(0)} msg] $msg [catch {set y(0)} msg] $msg
|
| 898 |
|
|
} {1 {can't unset "y(0)": no such element in array} 0 xyzzy 0 {} 0 xyzzy}
|
| 899 |
|
|
test trace-15.20 {unsets during unset traces} {
|
| 900 |
|
|
catch {unset y}
|
| 901 |
|
|
set y(0) 1234
|
| 902 |
|
|
set info {}
|
| 903 |
|
|
trace var y(0) u {traceReset2 y y(0)}
|
| 904 |
|
|
lappend info [catch {unset y(0)} msg] $msg [catch {set y(0)} msg] $msg
|
| 905 |
|
|
} {0 {} 0 xyzzy 0 {} 0 xyzzy}
|
| 906 |
|
|
test trace-15.21 {unsets cancelling traces} {
|
| 907 |
|
|
catch {unset y}
|
| 908 |
|
|
set y 1234
|
| 909 |
|
|
set info {}
|
| 910 |
|
|
trace var y r {traceAppend first}
|
| 911 |
|
|
trace var y r {traceUnset y}
|
| 912 |
|
|
trace var y r {traceAppend third}
|
| 913 |
|
|
trace var y u {traceAppend unset}
|
| 914 |
|
|
lappend info [catch {set y} msg] $msg
|
| 915 |
|
|
} {third unset 0 {} 1 {can't read "x": no such variable} 1 {can't read "y": no such variable}}
|
| 916 |
|
|
test trace-15.22 {unsets cancelling traces} {
|
| 917 |
|
|
catch {unset y}
|
| 918 |
|
|
set y(0) 1234
|
| 919 |
|
|
set info {}
|
| 920 |
|
|
trace var y(0) r {traceAppend first}
|
| 921 |
|
|
trace var y(0) r {traceUnset y}
|
| 922 |
|
|
trace var y(0) r {traceAppend third}
|
| 923 |
|
|
trace var y(0) u {traceAppend unset}
|
| 924 |
|
|
lappend info [catch {set y(0)} msg] $msg
|
| 925 |
|
|
} {third unset 0 {} 1 {can't read "x": no such variable} 1 {can't read "y(0)": no such variable}}
|
| 926 |
|
|
|
| 927 |
|
|
# Check various non-interference between traces and other things.
|
| 928 |
|
|
|
| 929 |
|
|
test trace-16.1 {trace doesn't prevent unset errors} {
|
| 930 |
|
|
catch {unset x}
|
| 931 |
|
|
set info {}
|
| 932 |
|
|
trace var x u {traceProc}
|
| 933 |
|
|
list [catch {unset x} msg] $msg $info
|
| 934 |
|
|
} {1 {can't unset "x": no such variable} {x {} u}}
|
| 935 |
|
|
test trace-16.2 {traced variables must survive procedure exits} {
|
| 936 |
|
|
catch {unset x}
|
| 937 |
|
|
proc p1 {} {global x; trace var x w traceProc}
|
| 938 |
|
|
p1
|
| 939 |
|
|
trace vinfo x
|
| 940 |
|
|
} {{w traceProc}}
|
| 941 |
|
|
test trace-16.3 {traced variables must survive procedure exits} {
|
| 942 |
|
|
catch {unset x}
|
| 943 |
|
|
set info {}
|
| 944 |
|
|
proc p1 {} {global x; trace var x w traceProc}
|
| 945 |
|
|
p1
|
| 946 |
|
|
set x 44
|
| 947 |
|
|
set info
|
| 948 |
|
|
} {x {} w}
|
| 949 |
|
|
|
| 950 |
|
|
# Be sure that procedure frames are released before unset traces
|
| 951 |
|
|
# are invoked.
|
| 952 |
|
|
|
| 953 |
|
|
test trace-17.1 {unset traces on procedure returns} {
|
| 954 |
|
|
proc p1 {x y} {set a 44; p2 14}
|
| 955 |
|
|
proc p2 {z} {trace var z u {traceCheck {lsort [uplevel {info vars}]}}}
|
| 956 |
|
|
set info {}
|
| 957 |
|
|
p1 foo bar
|
| 958 |
|
|
set info
|
| 959 |
|
|
} {0 {a x y}}
|
| 960 |
|
|
|
| 961 |
|
|
# Delete arrays when done, so they can be re-used as scalars
|
| 962 |
|
|
# elsewhere.
|
| 963 |
|
|
|
| 964 |
|
|
catch {unset x}
|
| 965 |
|
|
catch {unset y}
|
| 966 |
|
|
concat {}
|
