diff options
Diffstat (limited to 'tests/history.test')
| -rw-r--r-- | tests/history.test | 65 |
1 files changed, 62 insertions, 3 deletions
diff --git a/tests/history.test b/tests/history.test index c562796..9ff41f2 100644 --- a/tests/history.test +++ b/tests/history.test @@ -10,9 +10,9 @@ # # See the file "license.terms" for information on usage and redistribution of # this file, and for a DISCLAIMER OF ALL WARRANTIES. - -if {[lsearch [namespace children] ::tcltest] == -1} { - package require tcltest + +if {"::tcltest" ni [namespace children]} { + package require tcltest 2 namespace import -force ::tcltest::* } @@ -233,6 +233,7 @@ if {[testConstraint history]} { test history-8.1 {clear option} history {catch {history clear junk}} 1 test history-8.2 {clear option} history {history clear} {} if {[testConstraint history]} { + history clear history add "Testing" } test history-8.3 {clear option} history {history} { 1 Testing} @@ -244,7 +245,65 @@ test history-9.2 {miscellaneous} history { catch {history gorp} msg set msg } {unknown or ambiguous subcommand "gorp": must be add, change, clear, event, info, keep, nextid, or redo} + +# History retains references; Bug 1ae12987cb +test history-10.1 {references kept by history} -constraints history -setup { + interp create histtest + histtest eval { + # Trigger any autoloading that might be present + catch {history} + proc refcount {x} { + set rep [::tcl::unsupported::representation $x] + regexp {with a refcount of (\d+)} $rep -> rc + # Ignore the references due to calling this procedure + return [expr {$rc - 3}] + } + } +} -body { + histtest eval { + # A fresh object, refcount 1 from the variable we write it to + set obj [expr rand()] + set baseline [refcount $obj] + lappend result [refcount $obj] + history add [list list $obj] + lappend result [refcount $obj] + history clear + lappend result [refcount $obj] + } +} -cleanup { + interp delete histtest +} -result {1 2 1} +test history-10.2 {references kept by history} -constraints history -setup { + interp create histtest + histtest eval { + # Trigger any autoloading that might be present + catch {history} + proc refcount {x} { + set rep [::tcl::unsupported::representation $x] + regexp {with a refcount of (\d+)} $rep -> rc + # Ignore the references due to calling this procedure + return [expr {$rc - 3}] + } + } +} -body { + histtest eval { + # A fresh object, refcount 1 from the variable we write it to + set obj [expr rand()] + set baseline [refcount $obj] + lappend result [refcount $obj] + history add [list list $obj] + lappend result [refcount $obj] + rename history {} + lappend result [refcount $obj] + } +} -cleanup { + interp delete histtest +} -result {1 2 1} # cleanup ::tcltest::cleanupTests return + +# Local Variables: +# mode: tcl +# End: |