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author | dkf <donal.k.fellows@manchester.ac.uk> | 2011-03-04 18:23:04 (GMT) |
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committer | dkf <donal.k.fellows@manchester.ac.uk> | 2011-03-04 18:23:04 (GMT) |
commit | 80a9e493176e81c6becbb1715367300d20208449 (patch) | |
tree | e559bae06f05082eaac70eca9e26bbcf2b9014fe /tests/oo.test | |
parent | 6f017f71965cb7b4b9be15054f25c0936c3356a9 (diff) | |
download | tcl-80a9e493176e81c6becbb1715367300d20208449.zip tcl-80a9e493176e81c6becbb1715367300d20208449.tar.gz tcl-80a9e493176e81c6becbb1715367300d20208449.tar.bz2 |
[Bug 3185009]: Keep references to resolved object variables so that an unset doesn't leave any dangling pointers for code to trip over.Bug_3185009
Diffstat (limited to 'tests/oo.test')
-rw-r--r-- | tests/oo.test | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/oo.test b/tests/oo.test index 1954d1b..c16d150 100644 --- a/tests/oo.test +++ b/tests/oo.test @@ -2580,6 +2580,22 @@ test oo-27.12 {variables declaration: leak per instance} -setup { } -cleanup { foo destroy } -result 0 +# This test will actually (normally) crash if it fails! +test oo-27.13 {variables declaration: Bug 3185009: require refcount management} -setup { + oo::object create foo +} -body { + oo::objdefine foo { + variable x + method set v {set x $v} + method unset {} {unset x} + method exists {} {info exists x} + method get {} {return $x} + } + list [foo exists] [foo set 7] [foo exists] [foo get] [foo unset] \ + [foo exists] [catch {foo get} msg] $msg +} -cleanup { + foo destroy +} -result {0 7 1 7 {} 0 1 {can't read "x": no such variable}} # A feature that's not supported because the mechanism may change without # warning, but is supposed to work... |