source [file dirname [info script]]/testing.tcl needs constraint jim; needs cmd package proc a {} { error "error thrown from a" } proc b {} { set rc [catch {a} msg] if {$rc} { error $msg [info stacktrace] } } test error-1.1 {Rethrow caught error} -body { set rc [catch {b} msg] #puts stderr "error-1.1\n[errorInfo $msg]\n" list $rc $msg [basename-stacktrace [info stacktrace]] } -result {1 {error thrown from a} {a error.test 4 error\ \{error\ thrown\ f... b error.test 8 a test error.test 15 b {} error.test 14 test\ error-1.1\ \{Rethr...}} proc c {} { a } proc d {} { c } proc e {} { d } test error-1.2 {Modify stacktrace} -body { set rc [catch {e} msg] set st [info stacktrace] # Now elide one entry from the stacktrace #puts [errorInfo $msg] set newst {} foreach {p f l cmd} $st { if {$p ne "d"} { lappend newst $p $f $l $cmd } } # Now rethrow with the new stack set rc [catch {error $msg $newst} msg] #puts [errorInfo $msg] basename-stacktrace [info stacktrace] } -result {a error.test 4 error\ \{error\ thrown\ f... c error.test 22 a e error.test 30 d test error.test 34 e {} error.test 33 test\ error-1.2\ \{Modif...} # Package should be able to invoke exit, which should exit if not caught test error-2.1 "Exit from package" { catch -exit {package require exitpackage} msg } 6 testreport