sl@0: # Commands covered: trace
sl@0: #
sl@0: # This file contains a collection of tests for one or more of the Tcl
sl@0: # built-in commands. Sourcing this file into Tcl runs the tests and
sl@0: # generates output for errors. No output means no errors were found.
sl@0: #
sl@0: # Copyright (c) 1991-1993 The Regents of the University of California.
sl@0: # Copyright (c) 1994 Sun Microsystems, Inc.
sl@0: # Copyright (c) 1998-1999 by Scriptics Corporation.
sl@0: #
sl@0: # See the file "license.terms" for information on usage and redistribution
sl@0: # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
sl@0: #
sl@0: # RCS: @(#) $Id: trace.test,v 1.26.2.17 2006/11/04 01:37:56 msofer Exp $
sl@0:
sl@0: if {[lsearch [namespace children] ::tcltest] == -1} {
sl@0: package require tcltest
sl@0: namespace import -force ::tcltest::*
sl@0: }
sl@0:
sl@0: # Used for constraining memory leak tests
sl@0: testConstraint memory [llength [info commands memory]]
sl@0:
sl@0: testConstraint testevalobjv [llength [info commands testevalobjv]]
sl@0:
sl@0: proc getbytes {} {
sl@0: set lines [split [memory info] "\n"]
sl@0: lindex [lindex $lines 3] 3
sl@0: }
sl@0:
sl@0: proc traceScalar {name1 name2 op} {
sl@0: global info
sl@0: set info [list $name1 $name2 $op [catch {uplevel set $name1} msg] $msg]
sl@0: }
sl@0: proc traceScalarAppend {name1 name2 op} {
sl@0: global info
sl@0: lappend info $name1 $name2 $op [catch {uplevel set $name1} msg] $msg
sl@0: }
sl@0: proc traceArray {name1 name2 op} {
sl@0: global info
sl@0: set info [list $name1 $name2 $op [catch {uplevel set [set name1]($name2)} msg] $msg]
sl@0: }
sl@0: proc traceArray2 {name1 name2 op} {
sl@0: global info
sl@0: set info [list $name1 $name2 $op]
sl@0: }
sl@0: proc traceProc {name1 name2 op} {
sl@0: global info
sl@0: set info [concat $info [list $name1 $name2 $op]]
sl@0: }
sl@0: proc traceTag {tag args} {
sl@0: global info
sl@0: set info [concat $info $tag]
sl@0: }
sl@0: proc traceError {args} {
sl@0: error "trace returned error"
sl@0: }
sl@0: proc traceCheck {cmd args} {
sl@0: global info
sl@0: set info [list [catch $cmd msg] $msg]
sl@0: }
sl@0: proc traceCrtElement {value name1 name2 op} {
sl@0: uplevel set ${name1}($name2) $value
sl@0: }
sl@0: proc traceCommand {oldName newName op} {
sl@0: global info
sl@0: set info [list $oldName $newName $op]
sl@0: }
sl@0:
sl@0: test trace-0.0 {memory corruption in trace (Tcl Bug 484339)} {
sl@0: # You may need Purify or Electric Fence to reliably
sl@0: # see this one fail.
sl@0: catch {unset z}
sl@0: trace add variable z array {set z(foo) 1 ;#}
sl@0: set res "names: [array names z]"
sl@0: catch {unset ::z}
sl@0: trace variable ::z w {unset ::z; error "memory corruption";#}
sl@0: list [catch {set ::z 1} msg] $msg
sl@0: } {1 {can't set "::z": memory corruption}}
sl@0:
sl@0: # Read-tracing on variables
sl@0:
sl@0: test trace-1.1 {trace variable reads} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x read traceScalar
sl@0: list [catch {set x} msg] $msg $info
sl@0: } {1 {can't read "x": no such variable} {x {} read 1 {can't read "x": no such variable}}}
sl@0: test trace-1.2 {trace variable reads} {
sl@0: catch {unset x}
sl@0: set x 123
sl@0: set info {}
sl@0: trace add variable x read traceScalar
sl@0: list [catch {set x} msg] $msg $info
sl@0: } {0 123 {x {} read 0 123}}
sl@0: test trace-1.3 {trace variable reads} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x read traceScalar
sl@0: set x 123
sl@0: set info
sl@0: } {}
sl@0: test trace-1.4 {trace array element reads} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x(2) read traceArray
sl@0: list [catch {set x(2)} msg] $msg $info
sl@0: } {1 {can't read "x(2)": no such element in array} {x 2 read 1 {can't read "x(2)": no such element in array}}}
sl@0: test trace-1.5 {trace array element reads} {
sl@0: catch {unset x}
sl@0: set x(2) zzz
sl@0: set info {}
sl@0: trace add variable x(2) read traceArray
sl@0: list [catch {set x(2)} msg] $msg $info
sl@0: } {0 zzz {x 2 read 0 zzz}}
sl@0: test trace-1.6 {trace array element reads} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x read traceArray2
sl@0: proc p {} {
sl@0: global x
sl@0: set x(2) willi
sl@0: return $x(2)
sl@0: }
sl@0: list [catch {p} msg] $msg $info
sl@0: } {0 willi {x 2 read}}
sl@0: test trace-1.7 {trace array element reads, create element undefined if nonexistant} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x read q
sl@0: proc q {name1 name2 op} {
sl@0: global info
sl@0: set info [list $name1 $name2 $op]
sl@0: global $name1
sl@0: set ${name1}($name2) wolf
sl@0: }
sl@0: proc p {} {
sl@0: global x
sl@0: set x(X) willi
sl@0: return $x(Y)
sl@0: }
sl@0: list [catch {p} msg] $msg $info
sl@0: } {0 wolf {x Y read}}
sl@0: test trace-1.8 {trace reads on whole arrays} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x read traceArray
sl@0: list [catch {set x(2)} msg] $msg $info
sl@0: } {1 {can't read "x(2)": no such variable} {}}
sl@0: test trace-1.9 {trace reads on whole arrays} {
sl@0: catch {unset x}
sl@0: set x(2) zzz
sl@0: set info {}
sl@0: trace add variable x read traceArray
sl@0: list [catch {set x(2)} msg] $msg $info
sl@0: } {0 zzz {x 2 read 0 zzz}}
sl@0: test trace-1.10 {trace variable reads} {
sl@0: catch {unset x}
sl@0: set x 444
sl@0: set info {}
sl@0: trace add variable x read traceScalar
sl@0: unset x
sl@0: set info
sl@0: } {}
sl@0: test trace-1.11 {read traces that modify the array structure} {
sl@0: catch {unset x}
sl@0: set x(bar) 0
sl@0: trace variable x r {set x(foo) 1 ;#}
sl@0: trace variable x r {unset -nocomplain x(bar) ;#}
sl@0: array get x
sl@0: } {}
sl@0: test trace-1.12 {read traces that modify the array structure} {
sl@0: catch {unset x}
sl@0: set x(bar) 0
sl@0: trace variable x r {unset -nocomplain x(bar) ;#}
sl@0: trace variable x r {set x(foo) 1 ;#}
sl@0: array get x
sl@0: } {}
sl@0: test trace-1.13 {read traces that modify the array structure} {
sl@0: catch {unset x}
sl@0: set x(bar) 0
sl@0: trace variable x r {set x(foo) 1 ;#}
sl@0: trace variable x r {unset -nocomplain x;#}
sl@0: list [catch {array get x} res] $res
sl@0: } {1 {can't read "x(bar)": no such variable}}
sl@0: test trace-1.14 {read traces that modify the array structure} {
sl@0: catch {unset x}
sl@0: set x(bar) 0
sl@0: trace variable x r {unset -nocomplain x;#}
sl@0: trace variable x r {set x(foo) 1 ;#}
sl@0: list [catch {array get x} res] $res
sl@0: } {1 {can't read "x(bar)": no such variable}}
sl@0:
sl@0: # Basic write-tracing on variables
sl@0:
sl@0: test trace-2.1 {trace variable writes} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write traceScalar
sl@0: set x 123
sl@0: set info
sl@0: } {x {} write 0 123}
sl@0: test trace-2.2 {trace writes to array elements} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x(33) write traceArray
sl@0: set x(33) 444
sl@0: set info
sl@0: } {x 33 write 0 444}
sl@0: test trace-2.3 {trace writes on whole arrays} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write traceArray
sl@0: set x(abc) qq
sl@0: set info
sl@0: } {x abc write 0 qq}
sl@0: test trace-2.4 {trace variable writes} {
sl@0: catch {unset x}
sl@0: set x 1234
sl@0: set info {}
sl@0: trace add variable x write traceScalar
sl@0: set x
sl@0: set info
sl@0: } {}
sl@0: test trace-2.5 {trace variable writes} {
sl@0: catch {unset x}
sl@0: set x 1234
sl@0: set info {}
sl@0: trace add variable x write traceScalar
sl@0: unset x
sl@0: set info
sl@0: } {}
sl@0:
sl@0: # append no longer triggers read traces when fetching the old values of
sl@0: # variables before doing the append operation. However, lappend _does_
sl@0: # still trigger these read traces. Also lappend triggers only one write
sl@0: # trace: after appending all arguments to the list.
sl@0:
sl@0: test trace-3.1 {trace variable read-modify-writes} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x read traceScalarAppend
sl@0: append x 123
sl@0: append x 456
sl@0: lappend x 789
sl@0: set info
sl@0: } {x {} read 0 123456}
sl@0: test trace-3.2 {trace variable read-modify-writes} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x {read write} traceScalarAppend
sl@0: append x 123
sl@0: lappend x 456
sl@0: set info
sl@0: } {x {} write 0 123 x {} read 0 123 x {} write 0 {123 456}}
sl@0:
sl@0: # Basic unset-tracing on variables
sl@0:
sl@0: test trace-4.1 {trace variable unsets} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x unset traceScalar
sl@0: catch {unset x}
sl@0: set info
sl@0: } {x {} unset 1 {can't read "x": no such variable}}
sl@0: test trace-4.2 {variable mustn't exist during unset trace} {
sl@0: catch {unset x}
sl@0: set x 1234
sl@0: set info {}
sl@0: trace add variable x unset traceScalar
sl@0: unset x
sl@0: set info
sl@0: } {x {} unset 1 {can't read "x": no such variable}}
sl@0: test trace-4.3 {unset traces mustn't be called during reads and writes} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x unset traceScalar
sl@0: set x 44
sl@0: set x
sl@0: set info
sl@0: } {}
sl@0: test trace-4.4 {trace unsets on array elements} {
sl@0: catch {unset x}
sl@0: set x(0) 18
sl@0: set info {}
sl@0: trace add variable x(1) unset traceArray
sl@0: catch {unset x(1)}
sl@0: set info
sl@0: } {x 1 unset 1 {can't read "x(1)": no such element in array}}
sl@0: test trace-4.5 {trace unsets on array elements} {
sl@0: catch {unset x}
sl@0: set x(1) 18
sl@0: set info {}
sl@0: trace add variable x(1) unset traceArray
sl@0: unset x(1)
sl@0: set info
sl@0: } {x 1 unset 1 {can't read "x(1)": no such element in array}}
sl@0: test trace-4.6 {trace unsets on array elements} {
sl@0: catch {unset x}
sl@0: set x(1) 18
sl@0: set info {}
sl@0: trace add variable x(1) unset traceArray
sl@0: unset x
sl@0: set info
sl@0: } {x 1 unset 1 {can't read "x(1)": no such variable}}
sl@0: test trace-4.7 {trace unsets on whole arrays} {
sl@0: catch {unset x}
sl@0: set x(1) 18
sl@0: set info {}
sl@0: trace add variable x unset traceProc
sl@0: catch {unset x(0)}
sl@0: set info
sl@0: } {}
sl@0: test trace-4.8 {trace unsets on whole arrays} {
sl@0: catch {unset x}
sl@0: set x(1) 18
sl@0: set x(2) 144
sl@0: set x(3) 14
sl@0: set info {}
sl@0: trace add variable x unset traceProc
sl@0: unset x(1)
sl@0: set info
sl@0: } {x 1 unset}
sl@0: test trace-4.9 {trace unsets on whole arrays} {
sl@0: catch {unset x}
sl@0: set x(1) 18
sl@0: set x(2) 144
sl@0: set x(3) 14
sl@0: set info {}
sl@0: trace add variable x unset traceProc
sl@0: unset x
sl@0: set info
sl@0: } {x {} unset}
sl@0:
sl@0: # Array tracing on variables
sl@0: test trace-5.1 {array traces fire on accesses via [array]} {
sl@0: catch {unset x}
sl@0: set x(b) 2
sl@0: trace add variable x array traceArray2
sl@0: set ::info {}
sl@0: array set x {a 1}
sl@0: set ::info
sl@0: } {x {} array}
sl@0: test trace-5.2 {array traces do not fire on normal accesses} {
sl@0: catch {unset x}
sl@0: set x(b) 2
sl@0: trace add variable x array traceArray2
sl@0: set ::info {}
sl@0: set x(a) 1
sl@0: set x(b) $x(a)
sl@0: set ::info
sl@0: } {}
sl@0: test trace-5.3 {array traces do not outlive variable} {
sl@0: catch {unset x}
sl@0: trace add variable x array traceArray2
sl@0: set ::info {}
sl@0: set x(a) 1
sl@0: unset x
sl@0: array set x {a 1}
sl@0: set ::info
sl@0: } {}
sl@0: test trace-5.4 {array traces properly listed in trace information} {
sl@0: catch {unset x}
sl@0: trace add variable x array traceArray2
sl@0: set result [trace info variable x]
sl@0: set result
sl@0: } [list [list array traceArray2]]
sl@0: test trace-5.5 {array traces properly listed in trace information} {
sl@0: catch {unset x}
sl@0: trace variable x a traceArray2
sl@0: set result [trace vinfo x]
sl@0: set result
sl@0: } [list [list a traceArray2]]
sl@0: test trace-5.6 {array traces don't fire on scalar variables} {
sl@0: catch {unset x}
sl@0: set x foo
sl@0: trace add variable x array traceArray2
sl@0: set ::info {}
sl@0: catch {array set x {a 1}}
sl@0: set ::info
sl@0: } {}
sl@0: test trace-5.7 {array traces fire for undefined variables} {
sl@0: catch {unset x}
sl@0: trace add variable x array traceArray2
sl@0: set ::info {}
sl@0: array set x {a 1}
sl@0: set ::info
sl@0: } {x {} array}
sl@0: test trace-5.8 {array traces fire for undefined variables} {
sl@0: catch {unset x}
sl@0: trace add variable x array {set x(foo) 1 ;#}
sl@0: set res "names: [array names x]"
sl@0: } {names: foo}
sl@0:
sl@0: # Trace multiple trace types at once.
sl@0:
sl@0: test trace-6.1 {multiple ops traced at once} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x {read write unset} traceProc
sl@0: catch {set x}
sl@0: set x 22
sl@0: set x
sl@0: set x 33
sl@0: unset x
sl@0: set info
sl@0: } {x {} read x {} write x {} read x {} write x {} unset}
sl@0: test trace-6.2 {multiple ops traced on array element} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x(0) {read write unset} traceProc
sl@0: catch {set x(0)}
sl@0: set x(0) 22
sl@0: set x(0)
sl@0: set x(0) 33
sl@0: unset x(0)
sl@0: unset x
sl@0: set info
sl@0: } {x 0 read x 0 write x 0 read x 0 write x 0 unset}
sl@0: test trace-6.3 {multiple ops traced on whole array} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x {read write unset} traceProc
sl@0: catch {set x(0)}
sl@0: set x(0) 22
sl@0: set x(0)
sl@0: set x(0) 33
sl@0: unset x(0)
sl@0: unset x
sl@0: set info
sl@0: } {x 0 write x 0 read x 0 write x 0 unset x {} unset}
sl@0:
sl@0: # Check order of invocation of traces
sl@0:
sl@0: test trace-7.1 {order of invocation of traces} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x read "traceTag 1"
sl@0: trace add variable x read "traceTag 2"
sl@0: trace add variable x read "traceTag 3"
sl@0: catch {set x}
sl@0: set x 22
sl@0: set x
sl@0: set info
sl@0: } {3 2 1 3 2 1}
sl@0: test trace-7.2 {order of invocation of traces} {
sl@0: catch {unset x}
sl@0: set x(0) 44
sl@0: set info {}
sl@0: trace add variable x(0) read "traceTag 1"
sl@0: trace add variable x(0) read "traceTag 2"
sl@0: trace add variable x(0) read "traceTag 3"
sl@0: set x(0)
sl@0: set info
sl@0: } {3 2 1}
sl@0: test trace-7.3 {order of invocation of traces} {
sl@0: catch {unset x}
sl@0: set x(0) 44
sl@0: set info {}
sl@0: trace add variable x(0) read "traceTag 1"
sl@0: trace add variable x read "traceTag A1"
sl@0: trace add variable x(0) read "traceTag 2"
sl@0: trace add variable x read "traceTag A2"
sl@0: trace add variable x(0) read "traceTag 3"
sl@0: trace add variable x read "traceTag A3"
sl@0: set x(0)
sl@0: set info
sl@0: } {A3 A2 A1 3 2 1}
sl@0:
sl@0: # Check effects of errors in trace procedures
sl@0:
sl@0: test trace-8.1 {error returns from traces} {
sl@0: catch {unset x}
sl@0: set x 123
sl@0: set info {}
sl@0: trace add variable x read "traceTag 1"
sl@0: trace add variable x read traceError
sl@0: list [catch {set x} msg] $msg $info
sl@0: } {1 {can't read "x": trace returned error} {}}
sl@0: test trace-8.2 {error returns from traces} {
sl@0: catch {unset x}
sl@0: set x 123
sl@0: set info {}
sl@0: trace add variable x write "traceTag 1"
sl@0: trace add variable x write traceError
sl@0: list [catch {set x 44} msg] $msg $info
sl@0: } {1 {can't set "x": trace returned error} {}}
sl@0: test trace-8.3 {error returns from traces} {
sl@0: catch {unset x}
sl@0: set x 123
sl@0: set info {}
sl@0: trace add variable x write traceError
sl@0: list [catch {append x 44} msg] $msg $info
sl@0: } {1 {can't set "x": trace returned error} {}}
sl@0: test trace-8.4 {error returns from traces} {
sl@0: catch {unset x}
sl@0: set x 123
sl@0: set info {}
sl@0: trace add variable x unset "traceTag 1"
sl@0: trace add variable x unset traceError
sl@0: list [catch {unset x} msg] $msg $info
sl@0: } {0 {} 1}
sl@0: test trace-8.5 {error returns from traces} {
sl@0: catch {unset x}
sl@0: set x(0) 123
sl@0: set info {}
sl@0: trace add variable x(0) read "traceTag 1"
sl@0: trace add variable x read "traceTag 2"
sl@0: trace add variable x read traceError
sl@0: trace add variable x read "traceTag 3"
sl@0: list [catch {set x(0)} msg] $msg $info
sl@0: } {1 {can't read "x(0)": trace returned error} 3}
sl@0: test trace-8.6 {error returns from traces} {
sl@0: catch {unset x}
sl@0: set x 123
sl@0: trace add variable x unset traceError
sl@0: list [catch {unset x} msg] $msg
sl@0: } {0 {}}
sl@0: test trace-8.7 {error returns from traces} {
sl@0: # This test just makes sure that the memory for the error message
sl@0: # gets deallocated correctly when the trace is invoked again or
sl@0: # when the trace is deleted.
sl@0: catch {unset x}
sl@0: set x 123
sl@0: trace add variable x read traceError
sl@0: catch {set x}
sl@0: catch {set x}
sl@0: trace remove variable x read traceError
sl@0: } {}
sl@0: test trace-8.8 {error returns from traces} {
sl@0: # Yet more elaborate memory corruption testing that checks nothing
sl@0: # bad happens when the trace deletes itself and installs something
sl@0: # new. Alas, there is no neat way to guarantee that this test will
sl@0: # fail if there is a problem, but that's life and with the new code
sl@0: # it should *never* fail.
sl@0: #
sl@0: # Adapted from Bug #219393 reported by Don Porter.
sl@0: catch {rename ::foo {}}
sl@0: proc foo {old args} {
sl@0: trace remove variable ::x write [list foo $old]
sl@0: trace add variable ::x write [list foo $::x]
sl@0: error "foo"
sl@0: }
sl@0: catch {unset ::x ::y}
sl@0: set x junk
sl@0: trace add variable ::x write [list foo $x]
sl@0: for {set y 0} {$y<100} {incr y} {
sl@0: catch {set x junk}
sl@0: }
sl@0: unset x
sl@0: } {}
sl@0:
sl@0: # Check to see that variables are expunged before trace
sl@0: # procedures are invoked, so trace procedure can even manipulate
sl@0: # a new copy of the variables.
sl@0:
sl@0: test trace-9.1 {be sure variable is unset before trace is called} {
sl@0: catch {unset x}
sl@0: set x 33
sl@0: set info {}
sl@0: trace add variable x unset {traceCheck {uplevel set x}}
sl@0: unset x
sl@0: set info
sl@0: } {1 {can't read "x": no such variable}}
sl@0: test trace-9.2 {be sure variable is unset before trace is called} {
sl@0: catch {unset x}
sl@0: set x 33
sl@0: set info {}
sl@0: trace add variable x unset {traceCheck {uplevel set x 22}}
sl@0: unset x
sl@0: concat $info [list [catch {set x} msg] $msg]
sl@0: } {0 22 0 22}
sl@0: test trace-9.3 {be sure traces are cleared before unset trace called} {
sl@0: catch {unset x}
sl@0: set x 33
sl@0: set info {}
sl@0: trace add variable x unset {traceCheck {uplevel trace info variable x}}
sl@0: unset x
sl@0: set info
sl@0: } {0 {}}
sl@0: test trace-9.4 {set new trace during unset trace} {
sl@0: catch {unset x}
sl@0: set x 33
sl@0: set info {}
sl@0: trace add variable x unset {traceCheck {global x; trace add variable x unset traceProc}}
sl@0: unset x
sl@0: concat $info [trace info variable x]
sl@0: } {0 {} {unset traceProc}}
sl@0:
sl@0: test trace-10.1 {make sure array elements are unset before traces are called} {
sl@0: catch {unset x}
sl@0: set x(0) 33
sl@0: set info {}
sl@0: trace add variable x(0) unset {traceCheck {uplevel set x(0)}}
sl@0: unset x(0)
sl@0: set info
sl@0: } {1 {can't read "x(0)": no such element in array}}
sl@0: test trace-10.2 {make sure array elements are unset before traces are called} {
sl@0: catch {unset x}
sl@0: set x(0) 33
sl@0: set info {}
sl@0: trace add variable x(0) unset {traceCheck {uplevel set x(0) zzz}}
sl@0: unset x(0)
sl@0: concat $info [list [catch {set x(0)} msg] $msg]
sl@0: } {0 zzz 0 zzz}
sl@0: test trace-10.3 {array elements are unset before traces are called} {
sl@0: catch {unset x}
sl@0: set x(0) 33
sl@0: set info {}
sl@0: trace add variable x(0) unset {traceCheck {global x; trace info variable x(0)}}
sl@0: unset x(0)
sl@0: set info
sl@0: } {0 {}}
sl@0: test trace-10.4 {set new array element trace during unset trace} {
sl@0: catch {unset x}
sl@0: set x(0) 33
sl@0: set info {}
sl@0: trace add variable x(0) unset {traceCheck {uplevel {trace add variable x(0) read {}}}}
sl@0: catch {unset x(0)}
sl@0: concat $info [trace info variable x(0)]
sl@0: } {0 {} {read {}}}
sl@0:
sl@0: test trace-11.1 {make sure arrays are unset before traces are called} {
sl@0: catch {unset x}
sl@0: set x(0) 33
sl@0: set info {}
sl@0: trace add variable x unset {traceCheck {uplevel set x(0)}}
sl@0: unset x
sl@0: set info
sl@0: } {1 {can't read "x(0)": no such variable}}
sl@0: test trace-11.2 {make sure arrays are unset before traces are called} {
sl@0: catch {unset x}
sl@0: set x(y) 33
sl@0: set info {}
sl@0: trace add variable x unset {traceCheck {uplevel set x(y) 22}}
sl@0: unset x
sl@0: concat $info [list [catch {set x(y)} msg] $msg]
sl@0: } {0 22 0 22}
sl@0: test trace-11.3 {make sure arrays are unset before traces are called} {
sl@0: catch {unset x}
sl@0: set x(y) 33
sl@0: set info {}
sl@0: trace add variable x unset {traceCheck {uplevel array exists x}}
sl@0: unset x
sl@0: set info
sl@0: } {0 0}
sl@0: test trace-11.4 {make sure arrays are unset before traces are called} {
sl@0: catch {unset x}
sl@0: set x(y) 33
sl@0: set info {}
sl@0: set cmd {traceCheck {uplevel {trace info variable x}}}
sl@0: trace add variable x unset $cmd
sl@0: unset x
sl@0: set info
sl@0: } {0 {}}
sl@0: test trace-11.5 {set new array trace during unset trace} {
sl@0: catch {unset x}
sl@0: set x(y) 33
sl@0: set info {}
sl@0: trace add variable x unset {traceCheck {global x; trace add variable x read {}}}
sl@0: unset x
sl@0: concat $info [trace info variable x]
sl@0: } {0 {} {read {}}}
sl@0: test trace-11.6 {create scalar during array unset trace} {
sl@0: catch {unset x}
sl@0: set x(y) 33
sl@0: set info {}
sl@0: trace add variable x unset {traceCheck {global x; set x 44}}
sl@0: unset x
sl@0: concat $info [list [catch {set x} msg] $msg]
sl@0: } {0 44 0 44}
sl@0:
sl@0: # Check special conditions (e.g. errors) in Tcl_TraceVar2.
sl@0:
sl@0: test trace-12.1 {creating array when setting variable traces} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x(0) write traceProc
sl@0: list [catch {set x 22} msg] $msg
sl@0: } {1 {can't set "x": variable is array}}
sl@0: test trace-12.2 {creating array when setting variable traces} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x(0) write traceProc
sl@0: list [catch {set x(0)} msg] $msg
sl@0: } {1 {can't read "x(0)": no such element in array}}
sl@0: test trace-12.3 {creating array when setting variable traces} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x(0) write traceProc
sl@0: set x(0) 22
sl@0: set info
sl@0: } {x 0 write}
sl@0: test trace-12.4 {creating variable when setting variable traces} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write traceProc
sl@0: list [catch {set x} msg] $msg
sl@0: } {1 {can't read "x": no such variable}}
sl@0: test trace-12.5 {creating variable when setting variable traces} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write traceProc
sl@0: set x 22
sl@0: set info
sl@0: } {x {} write}
sl@0: test trace-12.6 {creating variable when setting variable traces} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write traceProc
sl@0: set x(0) 22
sl@0: set info
sl@0: } {x 0 write}
sl@0: test trace-12.7 {create array element during read trace} {
sl@0: catch {unset x}
sl@0: set x(2) zzz
sl@0: trace add variable x read {traceCrtElement xyzzy}
sl@0: list [catch {set x(3)} msg] $msg
sl@0: } {0 xyzzy}
sl@0: test trace-12.8 {errors when setting variable traces} {
sl@0: catch {unset x}
sl@0: set x 44
sl@0: list [catch {trace add variable x(0) write traceProc} msg] $msg
sl@0: } {1 {can't trace "x(0)": variable isn't array}}
sl@0:
sl@0: # Check trace deletion
sl@0:
sl@0: test trace-13.1 {delete one trace from another} {
sl@0: proc delTraces {args} {
sl@0: global x
sl@0: trace remove variable x read {traceTag 2}
sl@0: trace remove variable x read {traceTag 3}
sl@0: trace remove variable x read {traceTag 4}
sl@0: }
sl@0: catch {unset x}
sl@0: set x 44
sl@0: set info {}
sl@0: trace add variable x read {traceTag 1}
sl@0: trace add variable x read {traceTag 2}
sl@0: trace add variable x read {traceTag 3}
sl@0: trace add variable x read {traceTag 4}
sl@0: trace add variable x read delTraces
sl@0: trace add variable x read {traceTag 5}
sl@0: set x
sl@0: set info
sl@0: } {5 1}
sl@0: test trace-13.2 {leak when unsetting traced variable} \
sl@0: -constraints memory -body {
sl@0: set end [getbytes]
sl@0: proc f args {}
sl@0: for {set i 0} {$i < 5} {incr i} {
sl@0: trace add variable bepa write f
sl@0: set bepa a
sl@0: unset bepa
sl@0: set tmp $end
sl@0: set end [getbytes]
sl@0: }
sl@0: expr {$end - $tmp}
sl@0: } -cleanup {
sl@0: unset -nocomplain end i tmp
sl@0: } -result 0
sl@0: test trace-13.3 {leak when removing traces} \
sl@0: -constraints memory -body {
sl@0: set end [getbytes]
sl@0: proc f args {}
sl@0: for {set i 0} {$i < 5} {incr i} {
sl@0: trace add variable bepa write f
sl@0: set bepa a
sl@0: trace remove variable bepa write f
sl@0: set tmp $end
sl@0: set end [getbytes]
sl@0: }
sl@0: expr {$end - $tmp}
sl@0: } -cleanup {
sl@0: unset -nocomplain end i tmp
sl@0: } -result 0
sl@0: test trace-13.4 {leaks in error returns from traces} \
sl@0: -constraints memory -body {
sl@0: set end [getbytes]
sl@0: for {set i 0} {$i < 5} {incr i} {
sl@0: set apa {a 1 b 2}
sl@0: set bepa [lrange $apa 0 end]
sl@0: trace add variable bepa write {error hej}
sl@0: catch {set bepa a}
sl@0: unset bepa
sl@0: set tmp $end
sl@0: set end [getbytes]
sl@0: }
sl@0: expr {$end - $tmp}
sl@0: } -cleanup {
sl@0: unset -nocomplain end i tmp
sl@0: } -result 0
sl@0:
sl@0: # Check operation and syntax of "trace" command.
sl@0:
sl@0: # Syntax for adding/removing variable and command traces is basically the
sl@0: # same:
sl@0: # trace add variable name opList command
sl@0: # trace remove variable name opList command
sl@0: #
sl@0: # The following loops just get all the common "wrong # args" tests done.
sl@0:
sl@0: set i 0
sl@0: set start "wrong # args:"
sl@0: foreach type {variable command} {
sl@0: foreach op {add remove} {
sl@0: test trace-14.0.[incr i] "trace command, wrong # args errors" {
sl@0: list [catch {trace $op $type} msg] $msg
sl@0: } [list 1 "$start should be \"trace $op $type name opList command\""]
sl@0: test trace-14.0.[incr i] "trace command wrong # args errors" {
sl@0: list [catch {trace $op $type foo} msg] $msg
sl@0: } [list 1 "$start should be \"trace $op $type name opList command\""]
sl@0: test trace-14.0.[incr i] "trace command, wrong # args errors" {
sl@0: list [catch {trace $op $type foo bar} msg] $msg
sl@0: } [list 1 "$start should be \"trace $op $type name opList command\""]
sl@0: test trace-14.0.[incr i] "trace command, wrong # args errors" {
sl@0: list [catch {trace $op $type foo bar baz boo} msg] $msg
sl@0: } [list 1 "$start should be \"trace $op $type name opList command\""]
sl@0: }
sl@0: test trace-14.0.[incr i] "trace command, wrong # args errors" {
sl@0: list [catch {trace info $type foo bar} msg] $msg
sl@0: } [list 1 "$start should be \"trace info $type name\""]
sl@0: test trace-14.0.[incr i] "trace command, wrong # args errors" {
sl@0: list [catch {trace info $type} msg] $msg
sl@0: } [list 1 "$start should be \"trace info $type name\""]
sl@0: }
sl@0:
sl@0: test trace-14.1 "trace command, wrong # args errors" {
sl@0: list [catch {trace} msg] $msg
sl@0: } [list 1 "wrong # args: should be \"trace option ?arg arg ...?\""]
sl@0: test trace-14.2 "trace command, wrong # args errors" {
sl@0: list [catch {trace add} msg] $msg
sl@0: } [list 1 "wrong # args: should be \"trace add type ?arg arg ...?\""]
sl@0: test trace-14.3 "trace command, wrong # args errors" {
sl@0: list [catch {trace remove} msg] $msg
sl@0: } [list 1 "wrong # args: should be \"trace remove type ?arg arg ...?\""]
sl@0: test trace-14.4 "trace command, wrong # args errors" {
sl@0: list [catch {trace info} msg] $msg
sl@0: } [list 1 "wrong # args: should be \"trace info type ?arg arg ...?\""]
sl@0:
sl@0: test trace-14.5 {trace command, invalid option} {
sl@0: list [catch {trace gorp} msg] $msg
sl@0: } [list 1 "bad option \"gorp\": must be add, info, remove, variable, vdelete, or vinfo"]
sl@0:
sl@0: # Again, [trace ... command] and [trace ... variable] share syntax and
sl@0: # error message styles for their opList options; these loops test those
sl@0: # error messages.
sl@0:
sl@0: set i 0
sl@0: set errs [list "array, read, unset, or write" "delete or rename" "enter, leave, enterstep, or leavestep"]
sl@0: set abbvs [list {a r u w} {d r} {}]
sl@0: proc x {} {}
sl@0: foreach type {variable command execution} err $errs abbvlist $abbvs {
sl@0: foreach op {add remove} {
sl@0: test trace-14.6.[incr i] "trace $op $type errors" {
sl@0: list [catch {trace $op $type x {y z w} a} msg] $msg
sl@0: } [list 1 "bad operation \"y\": must be $err"]
sl@0: foreach abbv $abbvlist {
sl@0: test trace-14.6.[incr i] "trace $op $type rejects abbreviations" {
sl@0: list [catch {trace $op $type x $abbv a} msg] $msg
sl@0: } [list 1 "bad operation \"$abbv\": must be $err"]
sl@0: }
sl@0: test trace-14.6.[incr i] "trace $op $type rejects null opList" {
sl@0: list [catch {trace $op $type x {} a} msg] $msg
sl@0: } [list 1 "bad operation list \"\": must be one or more of $err"]
sl@0: }
sl@0: }
sl@0: rename x {}
sl@0:
sl@0: test trace-14.7 {trace command, "trace variable" errors} {
sl@0: list [catch {trace variable} msg] $msg
sl@0: } [list 1 "wrong # args: should be \"trace variable name ops command\""]
sl@0: test trace-14.8 {trace command, "trace variable" errors} {
sl@0: list [catch {trace variable x} msg] $msg
sl@0: } [list 1 "wrong # args: should be \"trace variable name ops command\""]
sl@0: test trace-14.9 {trace command, "trace variable" errors} {
sl@0: list [catch {trace variable x y} msg] $msg
sl@0: } [list 1 "wrong # args: should be \"trace variable name ops command\""]
sl@0: test trace-14.10 {trace command, "trace variable" errors} {
sl@0: list [catch {trace variable x y z w} msg] $msg
sl@0: } [list 1 "wrong # args: should be \"trace variable name ops command\""]
sl@0: test trace-14.11 {trace command, "trace variable" errors} {
sl@0: list [catch {trace variable x y z} msg] $msg
sl@0: } [list 1 "bad operations \"y\": should be one or more of rwua"]
sl@0:
sl@0:
sl@0: test trace-14.12 {trace command ("remove variable" option)} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write traceProc
sl@0: trace remove variable x write traceProc
sl@0: } {}
sl@0: test trace-14.13 {trace command ("remove variable" option)} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write traceProc
sl@0: trace remove variable x write traceProc
sl@0: set x 12345
sl@0: set info
sl@0: } {}
sl@0: test trace-14.14 {trace command ("remove variable" option)} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write {traceTag 1}
sl@0: trace add variable x write traceProc
sl@0: trace add variable x write {traceTag 2}
sl@0: set x yy
sl@0: trace remove variable x write traceProc
sl@0: set x 12345
sl@0: trace remove variable x write {traceTag 1}
sl@0: set x foo
sl@0: trace remove variable x write {traceTag 2}
sl@0: set x gorp
sl@0: set info
sl@0: } {2 x {} write 1 2 1 2}
sl@0: test trace-14.15 {trace command ("remove variable" option)} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write {traceTag 1}
sl@0: trace remove variable x write non_existent
sl@0: set x 12345
sl@0: set info
sl@0: } {1}
sl@0: test trace-14.16 {trace command ("info variable" option)} {
sl@0: catch {unset x}
sl@0: trace add variable x write {traceTag 1}
sl@0: trace add variable x write traceProc
sl@0: trace add variable x write {traceTag 2}
sl@0: trace info variable x
sl@0: } {{write {traceTag 2}} {write traceProc} {write {traceTag 1}}}
sl@0: test trace-14.17 {trace command ("info variable" option)} {
sl@0: catch {unset x}
sl@0: trace info variable x
sl@0: } {}
sl@0: test trace-14.18 {trace command ("info variable" option)} {
sl@0: catch {unset x}
sl@0: trace info variable x(0)
sl@0: } {}
sl@0: test trace-14.19 {trace command ("info variable" option)} {
sl@0: catch {unset x}
sl@0: set x 44
sl@0: trace info variable x(0)
sl@0: } {}
sl@0: test trace-14.20 {trace command ("info variable" option)} {
sl@0: catch {unset x}
sl@0: set x 44
sl@0: trace add variable x write {traceTag 1}
sl@0: proc check {} {global x; trace info variable x}
sl@0: check
sl@0: } {{write {traceTag 1}}}
sl@0:
sl@0: # Check fancy trace commands (long ones, weird arguments, etc.)
sl@0:
sl@0: test trace-15.1 {long trace command} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x write {traceTag {This is a very very long argument. It's \
sl@0: designed to test out the facilities of TraceVarProc for dealing \
sl@0: with such long arguments by malloc-ing space. One possibility \
sl@0: is that space doesn't get freed properly. If this happens, then \
sl@0: invoking this test over and over again will eventually leak memory.}}
sl@0: set x 44
sl@0: set info
sl@0: } {This is a very very long argument. It's \
sl@0: designed to test out the facilities of TraceVarProc for dealing \
sl@0: with such long arguments by malloc-ing space. One possibility \
sl@0: is that space doesn't get freed properly. If this happens, then \
sl@0: invoking this test over and over again will eventually leak memory.}
sl@0: test trace-15.2 {long trace command result to ignore} {
sl@0: proc longResult {args} {return "quite a bit of text, designed to
sl@0: generate a core leak if this command file is invoked over and over again
sl@0: and memory isn't being recycled correctly"}
sl@0: catch {unset x}
sl@0: trace add variable x write longResult
sl@0: set x 44
sl@0: set x 5
sl@0: set x abcde
sl@0: } abcde
sl@0: test trace-15.3 {special list-handling in trace commands} {
sl@0: catch {unset "x y z"}
sl@0: set "x y z(a\n\{)" 44
sl@0: set info {}
sl@0: trace add variable "x y z(a\n\{)" write traceProc
sl@0: set "x y z(a\n\{)" 33
sl@0: set info
sl@0: } "{x y z} a\\n\\\{ write"
sl@0:
sl@0: # Check for proper handling of unsets during traces.
sl@0:
sl@0: proc traceUnset {unsetName args} {
sl@0: global info
sl@0: upvar $unsetName x
sl@0: lappend info [catch {unset x} msg] $msg [catch {set x} msg] $msg
sl@0: }
sl@0: proc traceReset {unsetName resetName args} {
sl@0: global info
sl@0: upvar $unsetName x $resetName y
sl@0: lappend info [catch {unset x} msg] $msg [catch {set y xyzzy} msg] $msg
sl@0: }
sl@0: proc traceReset2 {unsetName resetName args} {
sl@0: global info
sl@0: lappend info [catch {uplevel unset $unsetName} msg] $msg \
sl@0: [catch {uplevel set $resetName xyzzy} msg] $msg
sl@0: }
sl@0: proc traceAppend {string name1 name2 op} {
sl@0: global info
sl@0: lappend info $string
sl@0: }
sl@0:
sl@0: test trace-16.1 {unsets during read traces} {
sl@0: catch {unset y}
sl@0: set y 1234
sl@0: set info {}
sl@0: trace add variable y read {traceUnset y}
sl@0: trace add variable y unset {traceAppend unset}
sl@0: lappend info [catch {set y} msg] $msg
sl@0: } {unset 0 {} 1 {can't read "x": no such variable} 1 {can't read "y": no such variable}}
sl@0: test trace-16.2 {unsets during read traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) read {traceUnset y(0)}
sl@0: lappend info [catch {set y(0)} msg] $msg
sl@0: } {0 {} 1 {can't read "x": no such variable} 1 {can't read "y(0)": no such element in array}}
sl@0: test trace-16.3 {unsets during read traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) read {traceUnset y}
sl@0: lappend info [catch {set y(0)} msg] $msg
sl@0: } {0 {} 1 {can't read "x": no such variable} 1 {can't read "y(0)": no such variable}}
sl@0: test trace-16.4 {unsets during read traces} {
sl@0: catch {unset y}
sl@0: set y 1234
sl@0: set info {}
sl@0: trace add variable y read {traceReset y y}
sl@0: lappend info [catch {set y} msg] $msg
sl@0: } {0 {} 0 xyzzy 0 xyzzy}
sl@0: test trace-16.5 {unsets during read traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) read {traceReset y(0) y(0)}
sl@0: lappend info [catch {set y(0)} msg] $msg
sl@0: } {0 {} 0 xyzzy 0 xyzzy}
sl@0: test trace-16.6 {unsets during read traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) read {traceReset y y(0)}
sl@0: lappend info [catch {set y(0)} msg] $msg [catch {set y(0)} msg] $msg
sl@0: } {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}}
sl@0: test trace-16.7 {unsets during read traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) read {traceReset2 y y(0)}
sl@0: lappend info [catch {set y(0)} msg] $msg [catch {set y(0)} msg] $msg
sl@0: } {0 {} 0 xyzzy 1 {can't read "y(0)": no such element in array} 0 xyzzy}
sl@0: test trace-16.8 {unsets during write traces} {
sl@0: catch {unset y}
sl@0: set y 1234
sl@0: set info {}
sl@0: trace add variable y write {traceUnset y}
sl@0: trace add variable y unset {traceAppend unset}
sl@0: lappend info [catch {set y xxx} msg] $msg
sl@0: } {unset 0 {} 1 {can't read "x": no such variable} 0 {}}
sl@0: test trace-16.9 {unsets during write traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) write {traceUnset y(0)}
sl@0: lappend info [catch {set y(0) xxx} msg] $msg
sl@0: } {0 {} 1 {can't read "x": no such variable} 0 {}}
sl@0: test trace-16.10 {unsets during write traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) write {traceUnset y}
sl@0: lappend info [catch {set y(0) xxx} msg] $msg
sl@0: } {0 {} 1 {can't read "x": no such variable} 0 {}}
sl@0: test trace-16.11 {unsets during write traces} {
sl@0: catch {unset y}
sl@0: set y 1234
sl@0: set info {}
sl@0: trace add variable y write {traceReset y y}
sl@0: lappend info [catch {set y xxx} msg] $msg
sl@0: } {0 {} 0 xyzzy 0 xyzzy}
sl@0: test trace-16.12 {unsets during write traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) write {traceReset y(0) y(0)}
sl@0: lappend info [catch {set y(0) xxx} msg] $msg
sl@0: } {0 {} 0 xyzzy 0 xyzzy}
sl@0: test trace-16.13 {unsets during write traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) write {traceReset y y(0)}
sl@0: lappend info [catch {set y(0) xxx} msg] $msg [catch {set y(0)} msg] $msg
sl@0: } {0 {} 1 {can't set "y": upvar refers to element in deleted array} 0 {} 1 {can't read "y(0)": no such variable}}
sl@0: test trace-16.14 {unsets during write traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) write {traceReset2 y y(0)}
sl@0: lappend info [catch {set y(0) xxx} msg] $msg [catch {set y(0)} msg] $msg
sl@0: } {0 {} 0 xyzzy 0 {} 0 xyzzy}
sl@0: test trace-16.15 {unsets during unset traces} {
sl@0: catch {unset y}
sl@0: set y 1234
sl@0: set info {}
sl@0: trace add variable y unset {traceUnset y}
sl@0: lappend info [catch {unset y} msg] $msg [catch {set y} msg] $msg
sl@0: } {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}}
sl@0: test trace-16.16 {unsets during unset traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) unset {traceUnset y(0)}
sl@0: lappend info [catch {unset y(0)} msg] $msg [catch {set y(0)} msg] $msg
sl@0: } {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}}
sl@0: test trace-16.17 {unsets during unset traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) unset {traceUnset y}
sl@0: lappend info [catch {unset y(0)} msg] $msg [catch {set y(0)} msg] $msg
sl@0: } {0 {} 1 {can't read "x": no such variable} 0 {} 1 {can't read "y(0)": no such variable}}
sl@0: test trace-16.18 {unsets during unset traces} {
sl@0: catch {unset y}
sl@0: set y 1234
sl@0: set info {}
sl@0: trace add variable y unset {traceReset2 y y}
sl@0: lappend info [catch {unset y} msg] $msg [catch {set y} msg] $msg
sl@0: } {1 {can't unset "y": no such variable} 0 xyzzy 0 {} 0 xyzzy}
sl@0: test trace-16.19 {unsets during unset traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) unset {traceReset2 y(0) y(0)}
sl@0: lappend info [catch {unset y(0)} msg] $msg [catch {set y(0)} msg] $msg
sl@0: } {1 {can't unset "y(0)": no such element in array} 0 xyzzy 0 {} 0 xyzzy}
sl@0: test trace-16.20 {unsets during unset traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) unset {traceReset2 y y(0)}
sl@0: lappend info [catch {unset y(0)} msg] $msg [catch {set y(0)} msg] $msg
sl@0: } {0 {} 0 xyzzy 0 {} 0 xyzzy}
sl@0: test trace-16.21 {unsets cancelling traces} {
sl@0: catch {unset y}
sl@0: set y 1234
sl@0: set info {}
sl@0: trace add variable y read {traceAppend first}
sl@0: trace add variable y read {traceUnset y}
sl@0: trace add variable y read {traceAppend third}
sl@0: trace add variable y unset {traceAppend unset}
sl@0: lappend info [catch {set y} msg] $msg
sl@0: } {third unset 0 {} 1 {can't read "x": no such variable} 1 {can't read "y": no such variable}}
sl@0: test trace-16.22 {unsets cancelling traces} {
sl@0: catch {unset y}
sl@0: set y(0) 1234
sl@0: set info {}
sl@0: trace add variable y(0) read {traceAppend first}
sl@0: trace add variable y(0) read {traceUnset y}
sl@0: trace add variable y(0) read {traceAppend third}
sl@0: trace add variable y(0) unset {traceAppend unset}
sl@0: lappend info [catch {set y(0)} msg] $msg
sl@0: } {third unset 0 {} 1 {can't read "x": no such variable} 1 {can't read "y(0)": no such variable}}
sl@0:
sl@0: # Check various non-interference between traces and other things.
sl@0:
sl@0: test trace-17.1 {trace doesn't prevent unset errors} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: trace add variable x unset {traceProc}
sl@0: list [catch {unset x} msg] $msg $info
sl@0: } {1 {can't unset "x": no such variable} {x {} unset}}
sl@0: test trace-17.2 {traced variables must survive procedure exits} {
sl@0: catch {unset x}
sl@0: proc p1 {} {global x; trace add variable x write traceProc}
sl@0: p1
sl@0: trace info variable x
sl@0: } {{write traceProc}}
sl@0: test trace-17.3 {traced variables must survive procedure exits} {
sl@0: catch {unset x}
sl@0: set info {}
sl@0: proc p1 {} {global x; trace add variable x write traceProc}
sl@0: p1
sl@0: set x 44
sl@0: set info
sl@0: } {x {} write}
sl@0:
sl@0: # Be sure that procedure frames are released before unset traces
sl@0: # are invoked.
sl@0:
sl@0: test trace-18.1 {unset traces on procedure returns} {
sl@0: proc p1 {x y} {set a 44; p2 14}
sl@0: proc p2 {z} {trace add variable z unset {traceCheck {lsort [uplevel {info vars}]}}}
sl@0: set info {}
sl@0: p1 foo bar
sl@0: set info
sl@0: } {0 {a x y}}
sl@0: test trace-18.2 {namespace delete / trace vdelete combo} {
sl@0: namespace eval ::foo {
sl@0: variable x 123
sl@0: }
sl@0: proc p1 args {
sl@0: trace vdelete ::foo::x u p1
sl@0: }
sl@0: trace variable ::foo::x u p1
sl@0: namespace delete ::foo
sl@0: info exists ::foo::x
sl@0: } 0
sl@0: test trace-18.3 {namespace delete / trace vdelete combo, Bug \#1337229} {
sl@0: namespace eval ::ns {}
sl@0: trace add variable ::ns::var unset {unset ::ns::var ;#}
sl@0: namespace delete ::ns
sl@0: } {}
sl@0: test trace-18.4 {namespace delete / trace vdelete combo, Bug \#1338280} {
sl@0: namespace eval ::ref {}
sl@0: set ::ref::var1 AAA
sl@0: trace add variable ::ref::var1 unset doTrace
sl@0: set ::ref::var2 BBB
sl@0: trace add variable ::ref::var2 {unset} doTrace
sl@0: proc doTrace {vtraced vidx op} {
sl@0: global info
sl@0: append info [catch {set ::$vtraced}][llength [info vars ::ref::*]]
sl@0: }
sl@0: set info {}
sl@0: namespace delete ::ref
sl@0: rename doTrace {}
sl@0: set info
sl@0: } 1110
sl@0:
sl@0: # Delete arrays when done, so they can be re-used as scalars
sl@0: # elsewhere.
sl@0:
sl@0: catch {unset x}
sl@0: catch {unset y}
sl@0:
sl@0: test trace-19.0.1 {trace add command (command existence)} {
sl@0: # Just in case!
sl@0: catch {rename nosuchname ""}
sl@0: list [catch {trace add command nosuchname rename traceCommand} msg] $msg
sl@0: } {1 {unknown command "nosuchname"}}
sl@0: test trace-19.0.2 {trace add command (command existence in ns)} {
sl@0: list [catch {trace add command nosuchns::nosuchname rename traceCommand} msg] $msg
sl@0: } {1 {unknown command "nosuchns::nosuchname"}}
sl@0:
sl@0:
sl@0: test trace-19.1 {trace add command (rename option)} {
sl@0: proc foo {} {}
sl@0: catch {rename bar {}}
sl@0: trace add command foo rename traceCommand
sl@0: rename foo bar
sl@0: set info
sl@0: } {::foo ::bar rename}
sl@0: test trace-19.2 {traces stick with renamed commands} {
sl@0: proc foo {} {}
sl@0: catch {rename bar {}}
sl@0: trace add command foo rename traceCommand
sl@0: rename foo bar
sl@0: rename bar foo
sl@0: set info
sl@0: } {::bar ::foo rename}
sl@0: test trace-19.2.1 {trace add command rename trace exists} {
sl@0: proc foo {} {}
sl@0: trace add command foo rename traceCommand
sl@0: trace info command foo
sl@0: } {{rename traceCommand}}
sl@0: test trace-19.3 {command rename traces don't fire on command deletion} {
sl@0: proc foo {} {}
sl@0: set info {}
sl@0: trace add command foo rename traceCommand
sl@0: rename foo {}
sl@0: set info
sl@0: } {}
sl@0: test trace-19.4 {trace add command rename doesn't trace recreated commands} {
sl@0: proc foo {} {}
sl@0: catch {rename bar {}}
sl@0: trace add command foo rename traceCommand
sl@0: proc foo {} {}
sl@0: rename foo bar
sl@0: set info
sl@0: } {}
sl@0: test trace-19.5 {trace add command deleted removes traces} {
sl@0: proc foo {} {}
sl@0: trace add command foo rename traceCommand
sl@0: proc foo {} {}
sl@0: trace info command foo
sl@0: } {}
sl@0:
sl@0: namespace eval tc {}
sl@0: proc tc::tcfoo {} {}
sl@0: test trace-19.6 {trace add command rename in namespace} {
sl@0: trace add command tc::tcfoo rename traceCommand
sl@0: rename tc::tcfoo tc::tcbar
sl@0: set info
sl@0: } {::tc::tcfoo ::tc::tcbar rename}
sl@0: test trace-19.7 {trace add command rename in namespace back again} {
sl@0: rename tc::tcbar tc::tcfoo
sl@0: set info
sl@0: } {::tc::tcbar ::tc::tcfoo rename}
sl@0: test trace-19.8 {trace add command rename in namespace to out of namespace} {
sl@0: rename tc::tcfoo tcbar
sl@0: set info
sl@0: } {::tc::tcfoo ::tcbar rename}
sl@0: test trace-19.9 {trace add command rename back into namespace} {
sl@0: rename tcbar tc::tcfoo
sl@0: set info
sl@0: } {::tcbar ::tc::tcfoo rename}
sl@0: test trace-19.10 {trace add command failed rename doesn't trigger trace} {
sl@0: set info {}
sl@0: proc foo {} {}
sl@0: proc bar {} {}
sl@0: trace add command foo {rename delete} traceCommand
sl@0: catch {rename foo bar}
sl@0: set info
sl@0: } {}
sl@0: catch {rename foo {}}
sl@0: catch {rename bar {}}
sl@0: test trace-19.11 {trace add command qualifies when renamed in namespace} {
sl@0: set info {}
sl@0: namespace eval tc {rename tcfoo tcbar}
sl@0: set info
sl@0: } {::tc::tcfoo ::tc::tcbar rename}
sl@0:
sl@0: # Make sure it exists again
sl@0: proc foo {} {}
sl@0:
sl@0: test trace-20.1 {trace add command (delete option)} {
sl@0: trace add command foo delete traceCommand
sl@0: rename foo ""
sl@0: set info
sl@0: } {::foo {} delete}
sl@0: test trace-20.2 {trace add command delete doesn't trace recreated commands} {
sl@0: set info {}
sl@0: proc foo {} {}
sl@0: rename foo ""
sl@0: set info
sl@0: } {}
sl@0: test trace-20.2.1 {trace add command delete trace info} {
sl@0: proc foo {} {}
sl@0: trace add command foo delete traceCommand
sl@0: trace info command foo
sl@0: } {{delete traceCommand}}
sl@0: test trace-20.3 {trace add command implicit delete} {
sl@0: proc foo {} {}
sl@0: trace add command foo delete traceCommand
sl@0: proc foo {} {}
sl@0: set info
sl@0: } {::foo {} delete}
sl@0: test trace-20.3.1 {trace add command delete trace info} {
sl@0: proc foo {} {}
sl@0: trace info command foo
sl@0: } {}
sl@0: test trace-20.4 {trace add command rename followed by delete} {
sl@0: set infotemp {}
sl@0: proc foo {} {}
sl@0: trace add command foo {rename delete} traceCommand
sl@0: rename foo bar
sl@0: lappend infotemp $info
sl@0: rename bar {}
sl@0: lappend infotemp $info
sl@0: set info $infotemp
sl@0: unset infotemp
sl@0: set info
sl@0: } {{::foo ::bar rename} {::bar {} delete}}
sl@0: catch {rename foo {}}
sl@0: catch {rename bar {}}
sl@0:
sl@0: test trace-20.5 {trace add command rename and delete} {
sl@0: set infotemp {}
sl@0: set info {}
sl@0: proc foo {} {}
sl@0: trace add command foo {rename delete} traceCommand
sl@0: rename foo bar
sl@0: lappend infotemp $info
sl@0: rename bar {}
sl@0: lappend infotemp $info
sl@0: set info $infotemp
sl@0: unset infotemp
sl@0: set info
sl@0: } {{::foo ::bar rename} {::bar {} delete}}
sl@0:
sl@0: test trace-20.6 {trace add command rename and delete in subinterp} {
sl@0: set tc [interp create]
sl@0: foreach p {traceCommand} {
sl@0: $tc eval [list proc $p [info args $p] [info body $p]]
sl@0: }
sl@0: $tc eval [list set infotemp {}]
sl@0: $tc eval [list set info {}]
sl@0: $tc eval [list proc foo {} {}]
sl@0: $tc eval [list trace add command foo {rename delete} traceCommand]
sl@0: $tc eval [list rename foo bar]
sl@0: $tc eval {lappend infotemp $info}
sl@0: $tc eval [list rename bar {}]
sl@0: $tc eval {lappend infotemp $info}
sl@0: $tc eval {set info $infotemp}
sl@0: $tc eval [list unset infotemp]
sl@0: set info [$tc eval [list set info]]
sl@0: interp delete $tc
sl@0: set info
sl@0: } {{::foo ::bar rename} {::bar {} delete}}
sl@0:
sl@0: # I'd like it if this test could give 'foo {} d' as a result,
sl@0: # but interp deletion means there is no interp to evaluate
sl@0: # the trace in.
sl@0: test trace-20.7 {trace add command delete in subinterp while being deleted} {
sl@0: set info {}
sl@0: set tc [interp create]
sl@0: interp alias $tc traceCommand {} traceCommand
sl@0: $tc eval [list proc foo {} {}]
sl@0: $tc eval [list trace add command foo {rename delete} traceCommand]
sl@0: interp delete $tc
sl@0: set info
sl@0: } {}
sl@0:
sl@0: proc traceDelete {cmd old new op} {
sl@0: eval trace remove command $cmd [lindex [trace info command $cmd] 0]
sl@0: global info
sl@0: set info [list $old $new $op]
sl@0: }
sl@0: proc traceCmdrename {cmd old new op} {
sl@0: rename $old someothername
sl@0: }
sl@0: proc traceCmddelete {cmd old new op} {
sl@0: rename $old ""
sl@0: }
sl@0: test trace-20.8 {trace delete while trace is active} {
sl@0: set info {}
sl@0: proc foo {} {}
sl@0: catch {rename bar {}}
sl@0: trace add command foo {rename delete} [list traceDelete foo]
sl@0: rename foo bar
sl@0: list [set info] [trace info command bar]
sl@0: } {{::foo ::bar rename} {}}
sl@0:
sl@0: test trace-20.9 {rename trace deletes command} {
sl@0: set info {}
sl@0: proc foo {} {}
sl@0: catch {rename bar {}}
sl@0: catch {rename someothername {}}
sl@0: trace add command foo rename [list traceCmddelete foo]
sl@0: rename foo bar
sl@0: list [info commands foo] [info commands bar] [info commands someothername]
sl@0: } {{} {} {}}
sl@0:
sl@0: test trace-20.10 {rename trace renames command} {
sl@0: set info {}
sl@0: proc foo {} {}
sl@0: catch {rename bar {}}
sl@0: catch {rename someothername {}}
sl@0: trace add command foo rename [list traceCmdrename foo]
sl@0: rename foo bar
sl@0: set info [list [info commands foo] [info commands bar] [info commands someothername]]
sl@0: rename someothername {}
sl@0: set info
sl@0: } {{} {} someothername}
sl@0:
sl@0: test trace-20.11 {delete trace deletes command} {
sl@0: set info {}
sl@0: proc foo {} {}
sl@0: catch {rename bar {}}
sl@0: catch {rename someothername {}}
sl@0: trace add command foo delete [list traceCmddelete foo]
sl@0: rename foo {}
sl@0: list [info commands foo] [info commands bar] [info commands someothername]
sl@0: } {{} {} {}}
sl@0:
sl@0: test trace-20.12 {delete trace renames command} {
sl@0: set info {}
sl@0: proc foo {} {}
sl@0: catch {rename bar {}}
sl@0: catch {rename someothername {}}
sl@0: trace add command foo delete [list traceCmdrename foo]
sl@0: rename foo bar
sl@0: rename bar {}
sl@0: # None of these should exist.
sl@0: list [info commands foo] [info commands bar] [info commands someothername]
sl@0: } {{} {} {}}
sl@0:
sl@0: test trace-20.13 {rename trace discards result [Bug 1355342]} {
sl@0: proc foo {} {}
sl@0: trace add command foo rename {set w Aha!;#}
sl@0: list [rename foo bar] [rename bar {}]
sl@0: } {{} {}}
sl@0: test trace-20.14 {rename trace discards error result [Bug 1355342]} {
sl@0: proc foo {} {}
sl@0: trace add command foo rename {error}
sl@0: list [rename foo bar] [rename bar {}]
sl@0: } {{} {}}
sl@0: test trace-20.15 {delete trace discards result [Bug 1355342]} {
sl@0: proc foo {} {}
sl@0: trace add command foo delete {set w Aha!;#}
sl@0: rename foo {}
sl@0: } {}
sl@0: test trace-20.16 {delete trace discards error result [Bug 1355342]} {
sl@0: proc foo {} {}
sl@0: trace add command foo delete {error}
sl@0: rename foo {}
sl@0: } {}
sl@0:
sl@0: proc foo {b} { set a $b }
sl@0:
sl@0:
sl@0: # Delete arrays when done, so they can be re-used as scalars
sl@0: # elsewhere.
sl@0:
sl@0: catch {unset x}
sl@0: catch {unset y}
sl@0:
sl@0: # Delete procedures when done, so we don't clash with other tests
sl@0: # (e.g. foobar will clash with 'unknown' tests).
sl@0: catch {rename foobar {}}
sl@0: catch {rename foo {}}
sl@0: catch {rename bar {}}
sl@0:
sl@0: proc foo {a} {
sl@0: set b $a
sl@0: }
sl@0:
sl@0: proc traceExecute {args} {
sl@0: global info
sl@0: lappend info $args
sl@0: }
sl@0:
sl@0: test trace-21.1 {trace execution: enter} {
sl@0: set info {}
sl@0: trace add execution foo enter [list traceExecute foo]
sl@0: foo 1
sl@0: trace remove execution foo enter [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {foo 1} enter}}
sl@0:
sl@0: test trace-21.2 {trace exeuction: leave} {
sl@0: set info {}
sl@0: trace add execution foo leave [list traceExecute foo]
sl@0: foo 2
sl@0: trace remove execution foo leave [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {foo 2} 0 2 leave}}
sl@0:
sl@0: test trace-21.3 {trace exeuction: enter, leave} {
sl@0: set info {}
sl@0: trace add execution foo {enter leave} [list traceExecute foo]
sl@0: foo 3
sl@0: trace remove execution foo {enter leave} [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {foo 3} enter} {foo {foo 3} 0 3 leave}}
sl@0:
sl@0: test trace-21.4 {trace execution: enter, leave, enterstep} {
sl@0: set info {}
sl@0: trace add execution foo {enter leave enterstep} [list traceExecute foo]
sl@0: foo 3
sl@0: trace remove execution foo {enter leave enterstep} [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {foo 3} enter} {foo {set b 3} enterstep} {foo {foo 3} 0 3 leave}}
sl@0:
sl@0: test trace-21.5 {trace execution: enter, leave, enterstep, leavestep} {
sl@0: set info {}
sl@0: trace add execution foo {enter leave enterstep leavestep} [list traceExecute foo]
sl@0: foo 3
sl@0: trace remove execution foo {enter leave enterstep leavestep} [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {foo 3} enter} {foo {set b 3} enterstep} {foo {set b 3} 0 3 leavestep} {foo {foo 3} 0 3 leave}}
sl@0:
sl@0: test trace-21.6 {trace execution: enterstep, leavestep} {
sl@0: set info {}
sl@0: trace add execution foo {enterstep leavestep} [list traceExecute foo]
sl@0: foo 3
sl@0: trace remove execution foo {enterstep leavestep} [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {set b 3} enterstep} {foo {set b 3} 0 3 leavestep}}
sl@0:
sl@0: test trace-21.7 {trace execution: enterstep} {
sl@0: set info {}
sl@0: trace add execution foo {enterstep} [list traceExecute foo]
sl@0: foo 3
sl@0: trace remove execution foo {enterstep} [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {set b 3} enterstep}}
sl@0:
sl@0: test trace-21.8 {trace execution: leavestep} {
sl@0: set info {}
sl@0: trace add execution foo {leavestep} [list traceExecute foo]
sl@0: foo 3
sl@0: trace remove execution foo {leavestep} [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {set b 3} 0 3 leavestep}}
sl@0:
sl@0: test trace-21.9 {trace execution: TCL_EVAL_GLOBAL} testevalobjv {
sl@0: trace add execution foo enter soom
sl@0: proc ::soom args {lappend ::info SUCCESS [info level]}
sl@0: set ::info {}
sl@0: namespace eval test_ns_1 {
sl@0: proc soom args {lappend ::info FAIL [info level]}
sl@0: # [testevalobjv 1 ...] ought to produce the same
sl@0: # results as [uplevel #0 ...].
sl@0: testevalobjv 1 foo x
sl@0: uplevel #0 foo x
sl@0: }
sl@0: namespace delete test_ns_1
sl@0: trace remove execution foo enter soom
sl@0: set ::info
sl@0: } {SUCCESS 1 SUCCESS 1}
sl@0:
sl@0: test trace-21.10 {trace execution: TCL_EVAL_GLOBAL} testevalobjv {
sl@0: trace add execution foo leave soom
sl@0: proc ::soom args {lappend ::info SUCCESS [info level]}
sl@0: set ::info {}
sl@0: namespace eval test_ns_1 {
sl@0: proc soom args {lappend ::info FAIL [info level]}
sl@0: # [testevalobjv 1 ...] ought to produce the same
sl@0: # results as [uplevel #0 ...].
sl@0: testevalobjv 1 foo x
sl@0: uplevel #0 foo x
sl@0: }
sl@0: namespace delete test_ns_1
sl@0: trace remove execution foo leave soom
sl@0: set ::info
sl@0: } {SUCCESS 1 SUCCESS 1}
sl@0:
sl@0: test trace-21.11 {trace execution and alias} -setup {
sl@0: set res {}
sl@0: proc ::x {} {return ::}
sl@0: namespace eval a {}
sl@0: proc ::a::x {} {return ::a}
sl@0: interp alias {} y {} x
sl@0: } -body {
sl@0: lappend res [namespace eval ::a y]
sl@0: trace add execution ::x enter {
sl@0: rename ::x {}
sl@0: proc ::x {} {return ::}
sl@0: #}
sl@0: lappend res [namespace eval ::a y]
sl@0: } -cleanup {
sl@0: namespace delete a
sl@0: rename ::x {}
sl@0: } -result {:: ::}
sl@0:
sl@0: proc factorial {n} {
sl@0: if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }
sl@0: return 1
sl@0: }
sl@0:
sl@0: test trace-22.1 {recursive(1) trace execution: enter} {
sl@0: set info {}
sl@0: trace add execution factorial {enter} [list traceExecute factorial]
sl@0: factorial 1
sl@0: trace remove execution factorial {enter} [list traceExecute factorial]
sl@0: set info
sl@0: } {{factorial {factorial 1} enter}}
sl@0:
sl@0: test trace-22.2 {recursive(2) trace execution: enter} {
sl@0: set info {}
sl@0: trace add execution factorial {enter} [list traceExecute factorial]
sl@0: factorial 2
sl@0: trace remove execution factorial {enter} [list traceExecute factorial]
sl@0: set info
sl@0: } {{factorial {factorial 2} enter} {factorial {factorial 1} enter}}
sl@0:
sl@0: test trace-22.3 {recursive(3) trace execution: enter} {
sl@0: set info {}
sl@0: trace add execution factorial {enter} [list traceExecute factorial]
sl@0: factorial 3
sl@0: trace remove execution factorial {enter} [list traceExecute factorial]
sl@0: set info
sl@0: } {{factorial {factorial 3} enter} {factorial {factorial 2} enter} {factorial {factorial 1} enter}}
sl@0:
sl@0: test trace-23.1 {recursive(1) trace execution: enter, leave, enterstep, leavestep} {
sl@0: set info {}
sl@0: trace add execution factorial {enter leave enterstep leavestep} [list traceExecute]
sl@0: factorial 1
sl@0: trace remove execution factorial {enter leave enterstep leavestep} [list traceExecute]
sl@0: join $info "\n"
sl@0: } {{factorial 1} enter
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} enterstep
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} 0 {} leavestep
sl@0: {return 1} enterstep
sl@0: {return 1} 2 1 leavestep
sl@0: {factorial 1} 0 1 leave}
sl@0:
sl@0: test trace-23.2 {recursive(2) trace execution: enter, leave, enterstep, leavestep} {
sl@0: set info {}
sl@0: trace add execution factorial {enter leave enterstep leavestep} [list traceExecute]
sl@0: factorial 2
sl@0: trace remove execution factorial {enter leave enterstep leavestep} [list traceExecute]
sl@0: join $info "\n"
sl@0: } {{factorial 2} enter
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} enterstep
sl@0: {expr {$n * [factorial [expr {$n -1 }]]}} enterstep
sl@0: {expr {$n -1 }} enterstep
sl@0: {expr {$n -1 }} 0 1 leavestep
sl@0: {factorial 1} enterstep
sl@0: {factorial 1} enter
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} enterstep
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} 0 {} leavestep
sl@0: {return 1} enterstep
sl@0: {return 1} 2 1 leavestep
sl@0: {factorial 1} 0 1 leave
sl@0: {factorial 1} 0 1 leavestep
sl@0: {expr {$n * [factorial [expr {$n -1 }]]}} 0 2 leavestep
sl@0: {return 2} enterstep
sl@0: {return 2} 2 2 leavestep
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} 2 2 leavestep
sl@0: {factorial 2} 0 2 leave}
sl@0:
sl@0: test trace-23.3 {recursive(3) trace execution: enter, leave, enterstep, leavestep} {
sl@0: set info {}
sl@0: trace add execution factorial {enter leave enterstep leavestep} [list traceExecute]
sl@0: factorial 3
sl@0: trace remove execution factorial {enter leave enterstep leavestep} [list traceExecute]
sl@0: join $info "\n"
sl@0: } {{factorial 3} enter
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} enterstep
sl@0: {expr {$n * [factorial [expr {$n -1 }]]}} enterstep
sl@0: {expr {$n -1 }} enterstep
sl@0: {expr {$n -1 }} 0 2 leavestep
sl@0: {factorial 2} enterstep
sl@0: {factorial 2} enter
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} enterstep
sl@0: {expr {$n * [factorial [expr {$n -1 }]]}} enterstep
sl@0: {expr {$n -1 }} enterstep
sl@0: {expr {$n -1 }} 0 1 leavestep
sl@0: {factorial 1} enterstep
sl@0: {factorial 1} enter
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} enterstep
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} 0 {} leavestep
sl@0: {return 1} enterstep
sl@0: {return 1} 2 1 leavestep
sl@0: {factorial 1} 0 1 leave
sl@0: {factorial 1} 0 1 leavestep
sl@0: {expr {$n * [factorial [expr {$n -1 }]]}} 0 2 leavestep
sl@0: {return 2} enterstep
sl@0: {return 2} 2 2 leavestep
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} 2 2 leavestep
sl@0: {factorial 2} 0 2 leave
sl@0: {factorial 2} 0 2 leavestep
sl@0: {expr {$n * [factorial [expr {$n -1 }]]}} 0 6 leavestep
sl@0: {return 6} enterstep
sl@0: {return 6} 2 6 leavestep
sl@0: {if {$n != 1} { return [expr {$n * [factorial [expr {$n -1 }]]}] }} 2 6 leavestep
sl@0: {factorial 3} 0 6 leave}
sl@0:
sl@0: proc traceDelete {cmd args} {
sl@0: eval trace remove execution $cmd [lindex [trace info execution $cmd] 0]
sl@0: global info
sl@0: set info $args
sl@0: }
sl@0:
sl@0: test trace-24.1 {delete trace during enter trace} {
sl@0: set info {}
sl@0: trace add execution foo enter [list traceDelete foo]
sl@0: foo 1
sl@0: list $info [catch {trace info execution foo} res] $res
sl@0: } {{{foo 1} enter} 0 {}}
sl@0:
sl@0: test trace-24.2 {delete trace during leave trace} {
sl@0: set info {}
sl@0: trace add execution foo leave [list traceDelete foo]
sl@0: foo 1
sl@0: list $info [catch {trace info execution foo} res] $res
sl@0: } {{{foo 1} 0 1 leave} 0 {}}
sl@0:
sl@0: test trace-24.3 {delete trace during enter-leave trace} {
sl@0: set info {}
sl@0: trace add execution foo {enter leave} [list traceDelete foo]
sl@0: foo 1
sl@0: list $info [catch {trace info execution foo} res] $res
sl@0: } {{{foo 1} enter} 0 {}}
sl@0:
sl@0: test trace-24.4 {delete trace during all exec traces} {
sl@0: set info {}
sl@0: trace add execution foo {enter leave enterstep leavestep} [list traceDelete foo]
sl@0: foo 1
sl@0: list $info [catch {trace info execution foo} res] $res
sl@0: } {{{foo 1} enter} 0 {}}
sl@0:
sl@0: test trace-24.5 {delete trace during all exec traces except enter} {
sl@0: set info {}
sl@0: trace add execution foo {leave enterstep leavestep} [list traceDelete foo]
sl@0: foo 1
sl@0: list $info [catch {trace info execution foo} res] $res
sl@0: } {{{set b 1} enterstep} 0 {}}
sl@0:
sl@0: proc traceDelete {cmd args} {
sl@0: rename $cmd {}
sl@0: global info
sl@0: set info $args
sl@0: }
sl@0:
sl@0: proc foo {a} {
sl@0: set b $a
sl@0: }
sl@0:
sl@0: test trace-25.1 {delete command during enter trace} {
sl@0: set info {}
sl@0: trace add execution foo enter [list traceDelete foo]
sl@0: catch {foo 1} err
sl@0: list $err $info [catch {trace info execution foo} res] $res
sl@0: } {{invalid command name "foo"} {{foo 1} enter} 1 {unknown command "foo"}}
sl@0:
sl@0: proc foo {a} {
sl@0: set b $a
sl@0: }
sl@0:
sl@0: test trace-25.2 {delete command during leave trace} {
sl@0: set info {}
sl@0: trace add execution foo leave [list traceDelete foo]
sl@0: foo 1
sl@0: list $info [catch {trace info execution foo} res] $res
sl@0: } {{{foo 1} 0 1 leave} 1 {unknown command "foo"}}
sl@0:
sl@0: proc foo {a} {
sl@0: set b $a
sl@0: }
sl@0:
sl@0: test trace-25.3 {delete command during enter then leave trace} {
sl@0: set info {}
sl@0: trace add execution foo enter [list traceDelete foo]
sl@0: trace add execution foo leave [list traceDelete foo]
sl@0: catch {foo 1} err
sl@0: list $err $info [catch {trace info execution foo} res] $res
sl@0: } {{invalid command name "foo"} {{foo 1} enter} 1 {unknown command "foo"}}
sl@0:
sl@0: proc foo {a} {
sl@0: set b $a
sl@0: }
sl@0: proc traceExecute2 {args} {
sl@0: global info
sl@0: lappend info $args
sl@0: }
sl@0:
sl@0: # This shows the peculiar consequences of having two traces
sl@0: # at the same time: as well as tracing the procedure you want
sl@0: test trace-25.4 {order dependencies of two enter traces} {
sl@0: set info {}
sl@0: trace add execution foo enter [list traceExecute traceExecute]
sl@0: trace add execution foo enter [list traceExecute2 traceExecute2]
sl@0: catch {foo 1} err
sl@0: trace remove execution foo enter [list traceExecute traceExecute]
sl@0: trace remove execution foo enter [list traceExecute2 traceExecute2]
sl@0: join [list $err [join $info \n] [trace info execution foo]] "\n"
sl@0: } {1
sl@0: traceExecute2 {foo 1} enter
sl@0: traceExecute {foo 1} enter
sl@0: }
sl@0:
sl@0: test trace-25.5 {order dependencies of two step traces} {
sl@0: set info {}
sl@0: trace add execution foo enterstep [list traceExecute traceExecute]
sl@0: trace add execution foo enterstep [list traceExecute2 traceExecute2]
sl@0: catch {foo 1} err
sl@0: trace remove execution foo enterstep [list traceExecute traceExecute]
sl@0: trace remove execution foo enterstep [list traceExecute2 traceExecute2]
sl@0: join [list $err [join $info \n] [trace info execution foo]] "\n"
sl@0: } {1
sl@0: traceExecute2 {set b 1} enterstep
sl@0: traceExecute {set b 1} enterstep
sl@0: }
sl@0:
sl@0: # We don't want the result string (5th argument), or the results
sl@0: # will get unmanageable.
sl@0: proc tracePostExecute {args} {
sl@0: global info
sl@0: lappend info [concat [lrange $args 0 2] [lindex $args 4]]
sl@0: }
sl@0: proc tracePostExecute2 {args} {
sl@0: global info
sl@0: lappend info [concat [lrange $args 0 2] [lindex $args 4]]
sl@0: }
sl@0:
sl@0: test trace-25.6 {order dependencies of two leave traces} {
sl@0: set info {}
sl@0: trace add execution foo leave [list tracePostExecute tracePostExecute]
sl@0: trace add execution foo leave [list tracePostExecute2 tracePostExecute2]
sl@0: catch {foo 1} err
sl@0: trace remove execution foo leave [list tracePostExecute tracePostExecute]
sl@0: trace remove execution foo leave [list tracePostExecute2 tracePostExecute2]
sl@0: join [list $err [join $info \n] [trace info execution foo]] "\n"
sl@0: } {1
sl@0: tracePostExecute {foo 1} 0 leave
sl@0: tracePostExecute2 {foo 1} 0 leave
sl@0: }
sl@0:
sl@0: test trace-25.7 {order dependencies of two leavestep traces} {
sl@0: set info {}
sl@0: trace add execution foo leavestep [list tracePostExecute tracePostExecute]
sl@0: trace add execution foo leavestep [list tracePostExecute2 tracePostExecute2]
sl@0: catch {foo 1} err
sl@0: trace remove execution foo leavestep [list tracePostExecute tracePostExecute]
sl@0: trace remove execution foo leavestep [list tracePostExecute2 tracePostExecute2]
sl@0: join [list $err [join $info \n] [trace info execution foo]] "\n"
sl@0: } {1
sl@0: tracePostExecute {set b 1} 0 leavestep
sl@0: tracePostExecute2 {set b 1} 0 leavestep
sl@0: }
sl@0:
sl@0: proc foo {a} {
sl@0: set b $a
sl@0: }
sl@0:
sl@0: proc traceDelete {cmd args} {
sl@0: rename $cmd {}
sl@0: global info
sl@0: set info $args
sl@0: }
sl@0:
sl@0: test trace-25.8 {delete command during enter leave and enter/leave-step traces} {
sl@0: set info {}
sl@0: trace add execution foo enter [list traceDelete foo]
sl@0: trace add execution foo leave [list traceDelete foo]
sl@0: trace add execution foo enterstep [list traceDelete foo]
sl@0: trace add execution foo leavestep [list traceDelete foo]
sl@0: catch {foo 1} err
sl@0: list $err $info [catch {trace info execution foo} res] $res
sl@0: } {{invalid command name "foo"} {{foo 1} enter} 1 {unknown command "foo"}}
sl@0:
sl@0: proc foo {a} {
sl@0: set b $a
sl@0: }
sl@0:
sl@0: test trace-25.9 {delete command during enter leave and leavestep traces} {
sl@0: set info {}
sl@0: trace add execution foo enter [list traceDelete foo]
sl@0: trace add execution foo leave [list traceDelete foo]
sl@0: trace add execution foo leavestep [list traceDelete foo]
sl@0: catch {foo 1} err
sl@0: list $err $info [catch {trace info execution foo} res] $res
sl@0: } {{invalid command name "foo"} {{foo 1} enter} 1 {unknown command "foo"}}
sl@0:
sl@0: proc foo {a} {
sl@0: set b $a
sl@0: }
sl@0:
sl@0: test trace-25.10 {delete command during leave and leavestep traces} {
sl@0: set info {}
sl@0: trace add execution foo leave [list traceDelete foo]
sl@0: trace add execution foo leavestep [list traceDelete foo]
sl@0: catch {foo 1} err
sl@0: list $err $info [catch {trace info execution foo} res] $res
sl@0: } {1 {{set b 1} 0 1 leavestep} 1 {unknown command "foo"}}
sl@0:
sl@0: proc foo {a} {
sl@0: set b $a
sl@0: }
sl@0:
sl@0: test trace-25.11 {delete command during enter and enterstep traces} {
sl@0: set info {}
sl@0: trace add execution foo enter [list traceDelete foo]
sl@0: trace add execution foo enterstep [list traceDelete foo]
sl@0: catch {foo 1} err
sl@0: list $err $info [catch {trace info execution foo} res] $res
sl@0: } {{invalid command name "foo"} {{foo 1} enter} 1 {unknown command "foo"}}
sl@0:
sl@0: test trace-26.1 {trace targetCmd when invoked through an alias} {
sl@0: proc foo {args} {
sl@0: set b $args
sl@0: }
sl@0: set info {}
sl@0: trace add execution foo enter [list traceExecute foo]
sl@0: interp alias {} bar {} foo 1
sl@0: bar 2
sl@0: trace remove execution foo enter [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {foo 1 2} enter}}
sl@0: test trace-26.2 {trace targetCmd when invoked through an alias} {
sl@0: proc foo {args} {
sl@0: set b $args
sl@0: }
sl@0: set info {}
sl@0: trace add execution foo enter [list traceExecute foo]
sl@0: interp create child
sl@0: interp alias child bar {} foo 1
sl@0: child eval bar 2
sl@0: interp delete child
sl@0: trace remove execution foo enter [list traceExecute foo]
sl@0: set info
sl@0: } {{foo {foo 1 2} enter}}
sl@0:
sl@0: test trace-27.1 {memory leak in rename trace (604609)} {
sl@0: catch {rename bar {}}
sl@0: proc foo {} {error foo}
sl@0: trace add command foo rename {rename foo "" ;#}
sl@0: rename foo bar
sl@0: info commands foo
sl@0: } {}
sl@0:
sl@0: test trace-27.2 {command trace remove nonsense} {
sl@0: list [catch {trace remove command thisdoesntexist \
sl@0: {delete rename} bar} res] $res
sl@0: } {1 {unknown command "thisdoesntexist"}}
sl@0:
sl@0: test trace-27.3 {command trace info nonsense} {
sl@0: list [catch {trace info command thisdoesntexist} res] $res
sl@0: } {1 {unknown command "thisdoesntexist"}}
sl@0:
sl@0:
sl@0: test trace-28.1 {enterstep and leavestep traces with update idletasks (615043)} {
sl@0: catch {rename foo {}}
sl@0: proc foo {} {
sl@0: set a 1
sl@0: update idletasks
sl@0: set b 1
sl@0: }
sl@0:
sl@0: set info {}
sl@0: trace add execution foo {enter enterstep leavestep leave} \
sl@0: [list traceExecute foo]
sl@0: update
sl@0: after idle {set a "idle"}
sl@0: foo
sl@0:
sl@0: trace remove execution foo {enter enterstep leavestep leave} \
sl@0: [list traceExecute foo]
sl@0: rename foo {}
sl@0: catch {unset a}
sl@0: join $info "\n"
sl@0: } {foo foo enter
sl@0: foo {set a 1} enterstep
sl@0: foo {set a 1} 0 1 leavestep
sl@0: foo {update idletasks} enterstep
sl@0: foo {set a idle} enterstep
sl@0: foo {set a idle} 0 idle leavestep
sl@0: foo {update idletasks} 0 {} leavestep
sl@0: foo {set b 1} enterstep
sl@0: foo {set b 1} 0 1 leavestep
sl@0: foo foo 0 1 leave}
sl@0:
sl@0: test trace-28.2 {exec traces with 'error'} {
sl@0: set info {}
sl@0: set res {}
sl@0:
sl@0: proc foo {} {
sl@0: if {[catch {bar}]} {
sl@0: return "error"
sl@0: } else {
sl@0: return "ok"
sl@0: }
sl@0: }
sl@0:
sl@0: proc bar {} { error "msg" }
sl@0:
sl@0: lappend res [foo]
sl@0:
sl@0: trace add execution foo {enter enterstep leave leavestep} \
sl@0: [list traceExecute foo]
sl@0:
sl@0: # With the trace active
sl@0:
sl@0: lappend res [foo]
sl@0:
sl@0: trace remove execution foo {enter enterstep leave leavestep} \
sl@0: [list traceExecute foo]
sl@0:
sl@0: list $res [join $info \n]
sl@0: } {{error error} {foo foo enter
sl@0: foo {if {[catch {bar}]} {
sl@0: return "error"
sl@0: } else {
sl@0: return "ok"
sl@0: }} enterstep
sl@0: foo {catch bar} enterstep
sl@0: foo bar enterstep
sl@0: foo {error msg} enterstep
sl@0: foo {error msg} 1 msg leavestep
sl@0: foo bar 1 msg leavestep
sl@0: foo {catch bar} 0 1 leavestep
sl@0: foo {return error} enterstep
sl@0: foo {return error} 2 error leavestep
sl@0: foo {if {[catch {bar}]} {
sl@0: return "error"
sl@0: } else {
sl@0: return "ok"
sl@0: }} 2 error leavestep
sl@0: foo foo 0 error leave}}
sl@0:
sl@0: test trace-28.3 {exec traces with 'return -code error'} {
sl@0: set info {}
sl@0: set res {}
sl@0:
sl@0: proc foo {} {
sl@0: if {[catch {bar}]} {
sl@0: return "error"
sl@0: } else {
sl@0: return "ok"
sl@0: }
sl@0: }
sl@0:
sl@0: proc bar {} { return -code error "msg" }
sl@0:
sl@0: lappend res [foo]
sl@0:
sl@0: trace add execution foo {enter enterstep leave leavestep} \
sl@0: [list traceExecute foo]
sl@0:
sl@0: # With the trace active
sl@0:
sl@0: lappend res [foo]
sl@0:
sl@0: trace remove execution foo {enter enterstep leave leavestep} \
sl@0: [list traceExecute foo]
sl@0:
sl@0: list $res [join $info \n]
sl@0: } {{error error} {foo foo enter
sl@0: foo {if {[catch {bar}]} {
sl@0: return "error"
sl@0: } else {
sl@0: return "ok"
sl@0: }} enterstep
sl@0: foo {catch bar} enterstep
sl@0: foo bar enterstep
sl@0: foo {return -code error msg} enterstep
sl@0: foo {return -code error msg} 2 msg leavestep
sl@0: foo bar 1 msg leavestep
sl@0: foo {catch bar} 0 1 leavestep
sl@0: foo {return error} enterstep
sl@0: foo {return error} 2 error leavestep
sl@0: foo {if {[catch {bar}]} {
sl@0: return "error"
sl@0: } else {
sl@0: return "ok"
sl@0: }} 2 error leavestep
sl@0: foo foo 0 error leave}}
sl@0:
sl@0: test trace-28.4 {exec traces in slave with 'return -code error'} {
sl@0: interp create slave
sl@0: interp alias slave traceExecute {} traceExecute
sl@0: set info {}
sl@0: set res [interp eval slave {
sl@0: set info {}
sl@0: set res {}
sl@0:
sl@0: proc foo {} {
sl@0: if {[catch {bar}]} {
sl@0: return "error"
sl@0: } else {
sl@0: return "ok"
sl@0: }
sl@0: }
sl@0:
sl@0: proc bar {} { return -code error "msg" }
sl@0:
sl@0: lappend res [foo]
sl@0:
sl@0: trace add execution foo {enter enterstep leave leavestep} \
sl@0: [list traceExecute foo]
sl@0:
sl@0: # With the trace active
sl@0:
sl@0: lappend res [foo]
sl@0:
sl@0: trace remove execution foo {enter enterstep leave leavestep} \
sl@0: [list traceExecute foo]
sl@0:
sl@0: list $res
sl@0: }]
sl@0: interp delete slave
sl@0: lappend res [join $info \n]
sl@0: } {{error error} {foo foo enter
sl@0: foo {if {[catch {bar}]} {
sl@0: return "error"
sl@0: } else {
sl@0: return "ok"
sl@0: }} enterstep
sl@0: foo {catch bar} enterstep
sl@0: foo bar enterstep
sl@0: foo {return -code error msg} enterstep
sl@0: foo {return -code error msg} 2 msg leavestep
sl@0: foo bar 1 msg leavestep
sl@0: foo {catch bar} 0 1 leavestep
sl@0: foo {return error} enterstep
sl@0: foo {return error} 2 error leavestep
sl@0: foo {if {[catch {bar}]} {
sl@0: return "error"
sl@0: } else {
sl@0: return "ok"
sl@0: }} 2 error leavestep
sl@0: foo foo 0 error leave}}
sl@0:
sl@0: test trace-28.5 {exec traces} {
sl@0: set info {}
sl@0: proc foo {args} { set a 1 }
sl@0: trace add execution foo {enter enterstep leave leavestep} \
sl@0: [list traceExecute foo]
sl@0: after idle [list foo test-28.4]
sl@0: update
sl@0: # Complicated way of removing traces
sl@0: set ti [lindex [eval [list trace info execution ::foo]] 0]
sl@0: if {[llength $ti]} {
sl@0: eval [concat [list trace remove execution foo] $ti]
sl@0: }
sl@0: join $info \n
sl@0: } {foo {foo test-28.4} enter
sl@0: foo {set a 1} enterstep
sl@0: foo {set a 1} 0 1 leavestep
sl@0: foo {foo test-28.4} 0 1 leave}
sl@0:
sl@0: test trace-28.6 {exec traces firing order} {
sl@0: set info {}
sl@0: proc enterStep {cmd op} {lappend ::info "enter $cmd/$op"}
sl@0: proc leaveStep {cmd code result op} {lappend ::info "leave $cmd/$code/$result/$op"}
sl@0:
sl@0: proc foo x {
sl@0: set b x=$x
sl@0: incr x
sl@0: }
sl@0: trace add execution foo enterstep enterStep
sl@0: trace add execution foo leavestep leaveStep
sl@0: foo 42
sl@0: rename foo {}
sl@0: join $info \n
sl@0: } {enter set b x=42/enterstep
sl@0: leave set b x=42/0/x=42/leavestep
sl@0: enter incr x/enterstep
sl@0: leave incr x/0/43/leavestep}
sl@0:
sl@0: test trace-28.7 {exec trace information} {
sl@0: set info {}
sl@0: proc foo x { incr x }
sl@0: proc bar {args} {}
sl@0: trace add execution foo {enter leave enterstep leavestep} bar
sl@0: set info [trace info execution foo]
sl@0: trace remove execution foo {enter leave enterstep leavestep} bar
sl@0: } {}
sl@0:
sl@0: test trace-28.8 {exec trace remove nonsense} {
sl@0: list [catch {trace remove execution thisdoesntexist \
sl@0: {enter leave enterstep leavestep} bar} res] $res
sl@0: } {1 {unknown command "thisdoesntexist"}}
sl@0:
sl@0: test trace-28.9 {exec trace info nonsense} {
sl@0: list [catch {trace info execution thisdoesntexist} res] $res
sl@0: } {1 {unknown command "thisdoesntexist"}}
sl@0:
sl@0: test trace-28.10 {exec trace info nonsense} {
sl@0: list [catch {trace remove execution} res] $res
sl@0: } {1 {wrong # args: should be "trace remove execution name opList command"}}
sl@0:
sl@0: # Missing test number to keep in sync with the 8.5 branch
sl@0: # (want to backport those tests?)
sl@0:
sl@0: test trace-31.1 {command and execution traces shared struct} {
sl@0: # Tcl Bug 807243
sl@0: proc foo {} {}
sl@0: trace add command foo delete foo
sl@0: trace add execution foo enter foo
sl@0: set result [trace info command foo]
sl@0: trace remove command foo delete foo
sl@0: trace remove execution foo enter foo
sl@0: rename foo {}
sl@0: set result
sl@0: } [list [list delete foo]]
sl@0: test trace-31.2 {command and execution traces shared struct} {
sl@0: # Tcl Bug 807243
sl@0: proc foo {} {}
sl@0: trace add command foo delete foo
sl@0: trace add execution foo enter foo
sl@0: set result [trace info execution foo]
sl@0: trace remove command foo delete foo
sl@0: trace remove execution foo enter foo
sl@0: rename foo {}
sl@0: set result
sl@0: } [list [list enter foo]]
sl@0:
sl@0: test trace-32.1 {
sl@0: TraceCommandInfo refcount decr in TraceCommandProc w/o loss of reference
sl@0: } {
sl@0: # Tcl Bug 811483
sl@0: proc foo {} {}
sl@0: trace add command foo delete foo
sl@0: trace add execution foo enter foo
sl@0: set result [trace info command foo]
sl@0: rename foo {}
sl@0: set result
sl@0: } [list [list delete foo]]
sl@0:
sl@0: test trace-33.1 {variable match with remove variable} {
sl@0: unset -nocomplain x
sl@0: trace variable x w foo
sl@0: trace remove variable x write foo
sl@0: llength [trace info variable x]
sl@0: } 0
sl@0:
sl@0: test trace-34.1 {Bug 1201035} {
sl@0: set ::x [list]
sl@0: proc foo {} {lappend ::x foo}
sl@0: proc bar args {
sl@0: lappend ::x $args
sl@0: trace remove execution foo leavestep bar
sl@0: trace remove execution foo enterstep bar
sl@0: trace add execution foo leavestep bar
sl@0: trace add execution foo enterstep bar
sl@0: lappend ::x done
sl@0: }
sl@0: trace add execution foo leavestep bar
sl@0: trace add execution foo enterstep bar
sl@0: foo
sl@0: set ::x
sl@0: } {{{lappend ::x foo} enterstep} done foo}
sl@0:
sl@0: test trace-34.2 {Bug 1224585} {
sl@0: proc foo {} {}
sl@0: proc bar args {trace remove execution foo leave soom}
sl@0: trace add execution foo leave bar
sl@0: trace add execution foo leave soom
sl@0: foo
sl@0: } {}
sl@0:
sl@0: test trace-34.3 {Bug 1224585} {
sl@0: proc foo {} {set x {}}
sl@0: proc bar args {trace remove execution foo enterstep soom}
sl@0: trace add execution foo enterstep soom
sl@0: trace add execution foo enterstep bar
sl@0: foo
sl@0: } {}
sl@0:
sl@0: # We test here for the half-documented and currently valid interplay between
sl@0: # delete traces and namespace deletion.
sl@0: test trace-34.4 {Bug 1047286} {
sl@0: variable x notrace
sl@0: proc callback {old - -} {
sl@0: variable x "$old exists: [namespace which -command $old]"
sl@0: }
sl@0: namespace eval ::foo {proc bar {} {}}
sl@0: trace add command ::foo::bar delete [namespace code callback]
sl@0: namespace delete ::foo
sl@0: set x
sl@0: } {::foo::bar exists: ::foo::bar}
sl@0:
sl@0: test trace-34.5 {Bug 1047286} {
sl@0: variable x notrace
sl@0: proc callback {old - -} {
sl@0: variable x "$old exists: [namespace which -command $old]"
sl@0: }
sl@0: namespace eval ::foo {proc bar {} {}}
sl@0: trace add command ::foo::bar delete [namespace code callback]
sl@0: namespace eval ::foo namespace delete ::foo
sl@0: set x
sl@0: } {::foo::bar exists: }
sl@0:
sl@0: test trace-34.6 {Bug 1458266} -setup {
sl@0: proc dummy {} {}
sl@0: proc stepTraceHandler {cmdString args} {
sl@0: variable log
sl@0: append log "[expr {[info level] - 1}]: [lindex [split $cmdString] 0]\n"
sl@0: dummy
sl@0: isTracedInside_2
sl@0: }
sl@0: proc cmdTraceHandler {cmdString args} {
sl@0: # silent
sl@0: }
sl@0: proc isTracedInside_1 {} {
sl@0: isTracedInside_2
sl@0: }
sl@0: proc isTracedInside_2 {} {
sl@0: set x 2
sl@0: }
sl@0: } -body {
sl@0: variable log {}
sl@0: trace add execution isTracedInside_1 enterstep stepTraceHandler
sl@0: trace add execution isTracedInside_2 enterstep stepTraceHandler
sl@0: isTracedInside_1
sl@0: variable first $log
sl@0: set log {}
sl@0: trace add execution dummy enter cmdTraceHandler
sl@0: isTracedInside_1
sl@0: variable second $log
sl@0: expr {($first eq $second) ? "ok" : "\n$first\nand\n\n$second\ndiffer"}
sl@0: } -cleanup {
sl@0: unset -nocomplain log first second
sl@0: rename dummy {}
sl@0: rename stepTraceHandler {}
sl@0: rename cmdTraceHandler {}
sl@0: rename isTracedInside_1 {}
sl@0: rename isTracedInside_2 {}
sl@0: } -result ok
sl@0:
sl@0: # Delete procedures when done, so we don't clash with other tests
sl@0: # (e.g. foobar will clash with 'unknown' tests).
sl@0: catch {rename foobar {}}
sl@0: catch {rename foo {}}
sl@0: catch {rename bar {}}
sl@0:
sl@0: # Unset the varaible when done
sl@0: catch {unset info}
sl@0:
sl@0: # cleanup
sl@0: ::tcltest::cleanupTests
sl@0: return