diff options
Diffstat (limited to 'tests/trace.test')
| -rw-r--r-- | tests/trace.test | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/tests/trace.test b/tests/trace.test index 9569ae0..4eba508 100644 --- a/tests/trace.test +++ b/tests/trace.test @@ -11,13 +11,21 @@ # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # -# RCS: @(#) $Id: trace.test,v 1.26.2.11 2005/11/04 01:15:21 msofer Exp $ +# RCS: @(#) $Id: trace.test,v 1.26.2.12 2005/11/07 10:28:01 msofer Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { package require tcltest namespace import -force ::tcltest::* } +# Used for constraining memory leak tests +testConstraint memory [llength [info commands memory]] + +proc getbytes {} { + set lines [split [memory info] "\n"] + lindex [lindex $lines 3] 3 +} + proc traceScalar {name1 name2 op} { global info set info [list $name1 $name2 $op [catch {uplevel set $name1} msg] $msg] @@ -713,7 +721,7 @@ test trace-12.8 {errors when setting variable traces} { list [catch {trace add variable x(0) write traceProc} msg] $msg } {1 {can't trace "x(0)": variable isn't array}} -# Check deleting one trace from another. +# Check trace deletion test trace-13.1 {delete one trace from another} { proc delTraces {args} { @@ -734,6 +742,52 @@ test trace-13.1 {delete one trace from another} { set x set info } {5 1} +test trace-13.2 {leak when unsetting traced variable} \ + -constraints memory -body { + set end [getbytes] + proc f args {} + for {set i 0} {$i < 5} {incr i} { + trace add variable bepa write f + set bepa a + unset bepa + set tmp $end + set end [getbytes] + } + expr {$end - $tmp} + } -cleanup { + unset -nocomplain end i tmp + } -result 0 +test trace-13.3 {leak when removing traces} \ + -constraints memory -body { + set end [getbytes] + proc f args {} + for {set i 0} {$i < 5} {incr i} { + trace add variable bepa write f + set bepa a + trace remove variable bepa write f + set tmp $end + set end [getbytes] + } + expr {$end - $tmp} + } -cleanup { + unset -nocomplain end i tmp + } -result 0 +test trace-13.4 {leaks in error returns from traces} \ + -constraints memory -body { + set end [getbytes] + for {set i 0} {$i < 5} {incr i} { + set apa {a 1 b 2} + set bepa [lrange $apa 0 end] + trace add variable bepa write {error hej} + catch {set bepa a} + unset bepa + set tmp $end + set end [getbytes] + } + expr {$end - $tmp} + } -cleanup { + unset -nocomplain end i tmp + } -result 0 # Check operation and syntax of "trace" command. |