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-rw-r--r--tests/stack.test60
1 files changed, 46 insertions, 14 deletions
diff --git a/tests/stack.test b/tests/stack.test
index 19a5104..13bc524 100644
--- a/tests/stack.test
+++ b/tests/stack.test
@@ -4,27 +4,59 @@
# built-in commands. Sourcing this file into Tcl runs the tests and
# generates output for errors. No output means no errors were found.
#
-# Copyright (c) 1998-1999 by Scriptics Corporation.
+# Copyright (c) 1998-2000 Ajuba Solutions.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-#
-# RCS: @(#) $Id: stack.test,v 1.8 2000/04/10 17:19:04 ericm Exp $
-if {[lsearch [namespace children] ::tcltest] == -1} {
- package require tcltest
- namespace import -force ::tcltest::*
-}
+package require tcltest 2
+namespace import ::tcltest::*
+
+# Note that a failure in this test may result in a crash of the executable.
-# Note that a failure in this test results in a crash of the executable.
+test stack-1.1 {maxNestingDepth reached on infinite recursion} -body {
+ # do this in a sub process in case it segfaults
+ exec [interpreter] << {
+ proc recurse {} { recurse }
+ catch { recurse } rv
+ puts $rv
+ }
+} -result {too many nested evaluations (infinite loop?)}
-test stack-1.1 {maxNestingDepth reached on infinite recursion} {
- proc recurse {} { return [recurse] }
- catch {recurse} rv
- rename recurse {}
- set rv
-} {too many nested calls to Tcl_EvalObj (infinite loop?)}
+test stack-2.1 {maxNestingDepth reached on infinite recursion} -body {
+ # do this in a sub process in case it segfaults
+ exec [interpreter] << {
+ interp alias {} unknown {} notaknownproc
+ catch { unknown } msg
+ puts $msg
+ }
+} -result {too many nested evaluations (infinite loop?)}
+
+# Make sure that there is enough stack to run regexp even if we're
+# close to the recursion limit. [Bug 947070] [Patch 746378]
+test stack-3.1 {enough room for regexp near recursion limit} -body {
+ # do this in a sub process in case it segfaults
+ exec [interpreter] << {
+ interp recursionlimit {} 10000
+ set depth 0
+ proc a { max } {
+ if { [info level] < $max } {
+ set ::depth [info level]
+ a $max
+ } else {
+ regexp {^ ?} x
+ }
+ }
+ catch { a 10001 }
+ set depth2 $depth
+ puts [list [a $depth] [expr { $depth2 - $depth }]]
+ }
+} -result {1 1}
# cleanup
::tcltest::cleanupTests
return
+
+# Local Variables:
+# mode: tcl
+# End: