65 lines
1.8 KiB
Plaintext
65 lines
1.8 KiB
Plaintext
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# Tests that the stack size is big enough for the application.
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#
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# This file contains a collection of tests for one or more of the Tcl
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# built-in commands. Sourcing this file into Tcl runs the tests and
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# generates output for errors. No output means no errors were found.
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#
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# Copyright (c) 1998-2000 Ajuba Solutions.
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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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if {"::tcltest" ni [namespace children]} {
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package require tcltest 2.5
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namespace import -force ::tcltest::*
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}
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# Note that a failure in this test may result in a crash of the executable.
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test stack-1.1 {maxNestingDepth reached on infinite recursion} -body {
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# do this in a sub process in case it segfaults
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exec [interpreter] << {
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proc recurse {} { recurse }
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catch { recurse } rv
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puts $rv
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}
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} -result {too many nested evaluations (infinite loop?)}
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test stack-2.1 {maxNestingDepth reached on infinite recursion} -body {
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# do this in a sub process in case it segfaults
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exec [interpreter] << {
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interp alias {} unknown {} notaknownproc
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catch { unknown } msg
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puts $msg
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}
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} -result {too many nested evaluations (infinite loop?)}
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# Make sure that there is enough stack to run regexp even if we're
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# close to the recursion limit. [Bug 947070] [Patch 746378]
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test stack-3.1 {enough room for regexp near recursion limit} -body {
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# do this in a sub process in case it segfaults
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exec [interpreter] << {
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interp recursionlimit {} 10000
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set depth 0
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proc a { max } {
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if { [info level] < $max } {
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set ::depth [info level]
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a $max
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} else {
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regexp {^ ?} x
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}
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}
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catch { a 10001 }
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set depth2 $depth
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puts [list [a $depth] [expr { $depth2 - $depth }]]
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}
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} -result {1 1}
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# cleanup
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::tcltest::cleanupTests
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return
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# Local Variables:
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# mode: tcl
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# End:
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