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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2010-02-02 00:42:41 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2010-02-02 00:42:41 (GMT) |
| commit | c1534c208e4eee03061c52b2d7de3ded03f8de37 (patch) | |
| tree | 6e29718539a83cd56321eb262b49a848eb9b3b31 /tests | |
| parent | f231dc527e35148e1fb38301a10ccb8614fd1c72 (diff) | |
| download | tcl-c1534c208e4eee03061c52b2d7de3ded03f8de37.zip tcl-c1534c208e4eee03061c52b2d7de3ded03f8de37.tar.gz tcl-c1534c208e4eee03061c52b2d7de3ded03f8de37.tar.bz2 | |
Fix [Bug 2939073]: dangling ref when an unset trace triggered by [array unset]
hits the next element to be deleted.
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/var.test | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/tests/var.test b/tests/var.test index bf48224..c5c304e 100644 --- a/tests/var.test +++ b/tests/var.test @@ -14,7 +14,7 @@ # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # -# RCS: @(#) $Id: var.test,v 1.31 2008/03/11 17:23:56 msofer Exp $ +# RCS: @(#) $Id: var.test,v 1.31.2.1 2010/02/02 00:42:41 dkf Exp $ # if {[lsearch [namespace children] ::tcltest] == -1} { @@ -34,7 +34,7 @@ catch {unset y} catch {unset i} catch {unset a} catch {unset arr} - + test var-1.1 {TclLookupVar, Array handling} { catch {unset a} set x "incr" ;# force no compilation and runtime call to Tcl_IncrCmd @@ -716,9 +716,9 @@ test var-15.1 {segfault in [unset], [Bug 735335]} { test var-16.1 {CallVarTraces: save/restore interp error state} { - trace add variable ::errorCode write { ;#} + trace add variable ::errorCode write " ;#" catch {error foo bar baz} - trace remove variable ::errorCode write { ;#} + trace remove variable ::errorCode write " ;#" set ::errorInfo } bar @@ -727,13 +727,33 @@ test var-17.1 {TclArraySet [Bug 1669489]} -setup { } -body { namespace eval :: { set elements {1 2 3 4} - trace add variable a write {string length $elements ;#} + trace add variable a write "string length \$elements ;#" array set a $elements } } -cleanup { unset -nocomplain ::a ::elements } -result {} +test var-18.1 {array unset and unset traces: Bug 2939073} -setup { + set already 0 + unset x +} -body { + array set x {e 1 i 1} + trace add variable x unset {apply {args { + global already x + if {!$already} { + set already 1 + unset x(i) + } + }}} + # The next command would crash reliably with memory debugging prior to the + # bug fix. + array unset x * + array size x +} -cleanup { + unset x already +} -result 0 + catch {namespace delete ns} catch {unset arr} catch {unset v} @@ -752,3 +772,7 @@ catch {unset aaaaa} # cleanup ::tcltest::cleanupTests return + +# Local Variables: +# mode: tcl +# End: |