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-rw-r--r--tests/error.test1050
1 files changed, 1006 insertions, 44 deletions
diff --git a/tests/error.test b/tests/error.test
index b989338..0de644c 100644
--- a/tests/error.test
+++ b/tests/error.test
@@ -1,22 +1,42 @@
-# Commands covered: error, catch
+# Commands covered: error, catch, throw, try
#
-# This file contains a collection of tests for one or more of the Tcl
-# built-in commands. Sourcing this file into Tcl runs the tests and
-# generates output for errors. No output means no errors were found.
+# This file contains a collection of tests for one or more of the Tcl 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) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
-# See the file "license.terms" for information on usage and redistribution
-# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+# 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 2
namespace import -force ::tcltest::*
}
+testConstraint memory [llength [info commands memory]]
+customMatch pairwise {apply {{a b} {
+ string equal [lindex $b 0] [lindex $b 1]
+}}}
namespace eval ::tcl::test::error {
+if {[testConstraint memory]} {
+ proc getbytes {} {
+ set lines [split [memory info] \n]
+ return [lindex $lines 3 3]
+ }
+ proc leaktest {script {iterations 3}} {
+ set end [getbytes]
+ for {set i 0} {$i < $iterations} {incr i} {
+ uplevel 1 $script
+ set tmp $end
+ set end [getbytes]
+ }
+ return [expr {$end - $tmp}]
+ }
+}
+
proc foo {} {
global errorInfo
set a [catch {format [error glorp2]} b]
@@ -34,66 +54,55 @@ proc foo2 {} {
test error-1.1 {simple errors from commands} {
catch {format [string index]} b
} 1
-
test error-1.2 {simple errors from commands} {
catch {format [string index]} b
set b
} {wrong # args: should be "string index string charIndex"}
-
test error-1.3 {simple errors from commands} {
catch {format [string index]} b
set ::errorInfo
- # this used to return '... while executing ...', but
- # string index is fully compiled as of 8.4a3
+ # This used to return '... while executing ...', but string index is fully
+ # compiled as of 8.4a3
} {wrong # args: should be "string index string charIndex"
while executing
"string index"}
-
test error-1.4 {simple errors from commands} {
catch {error glorp} b
} 1
-
test error-1.5 {simple errors from commands} {
catch {error glorp} b
set b
} glorp
-
test error-1.6 {simple errors from commands} {
catch {catch a b c d} b
} 1
-
test error-1.7 {simple errors from commands} {
catch {catch a b c d} b
set b
} {wrong # args: should be "catch script ?resultVarName? ?optionVarName?"}
-
test error-1.8 {simple errors from commands} {
- # This test is non-portable: it generates a memory fault on
- # machines like DEC Alphas (infinite recursion overflows
- # stack?)
+ # This test is non-portable: it generates a memory fault on machines like
+ # DEC Alphas (infinite recursion overflows stack?)
#
# That claims sounds like a bug to be fixed rather than a portability
- # problem. Anyhow, I believe it's out of date (bug's been fixed) so
- # this test is re-enabled.
-
+ # problem. Anyhow, I believe it's out of date (bug's been fixed) so this
+ # test is re-enabled.
proc p {} {
uplevel 1 catch p error
}
p
} 0
-# Check errors nested in procedures. Also check the optional argument
-# to "error" to generate a new error trace.
+# Check errors nested in procedures. Also check the optional argument to
+# "error" to generate a new error trace.
test error-2.1 {errors in nested procedures} {
catch foo b
} 1
-
test error-2.2 {errors in nested procedures} {
catch foo b
set b
} {Human-generated}
-
test error-2.3 {errors in nested procedures} {
catch foo b
set ::errorInfo
@@ -103,16 +112,13 @@ test error-2.3 {errors in nested procedures} {
(procedure "foo" line 4)
invoked from within
"foo"}
-
test error-2.4 {errors in nested procedures} {
catch foo2 b
} 1
-
test error-2.5 {errors in nested procedures} {
catch foo2 b
set b
} {Human-generated}
-
test error-2.6 {errors in nested procedures} {
catch foo2 b
set ::errorInfo
@@ -135,7 +141,7 @@ test error-3.3 {errors in catch command} {
catch {unset a}
set a(0) 22
list [catch {catch {format 44} a} msg] $msg
-} {1 {couldn't save command result in variable}}
+} {1 {can't set "a": variable is array}}
catch {unset a}
# More tests related to errorInfo and errorCode
@@ -164,6 +170,29 @@ test error-4.5 {errorInfo and errorCode variables} {
list [catch {error msg1 msg2 {}} msg] $msg $::errorInfo $::errorCode
} {1 msg1 msg2 {}}
+test error-4.6 {errorstack via info } -body {
+ proc f x {g $x$x}
+ proc g x {error G:$x}
+ catch {f 12}
+ info errorstack
+} -match glob -result {INNER * CALL {g 1212} CALL {f 12} UP 1}
+test error-4.7 {errorstack via options dict } -body {
+ proc f x {g $x$x}
+ proc g x {error G:$x}
+ catch {f 12} m d
+ dict get $d -errorstack
+} -match glob -result {INNER * CALL {g 1212} CALL {f 12} UP 1}
+test error-4.8 {errorstack from exec traces} -body {
+ proc foo args {}
+ proc goo {} foo
+ trace add execution foo enter {error bar;#}
+ catch goo m d
+ dict get $d -errorstack
+} -cleanup {
+ rename goo {}; rename foo {}
+ unset -nocomplain m d
+} -result {INNER {error bar} CALL goo UP 1}
+
# Errors in error command itself
test error-5.1 {errors in error command} {
@@ -218,26 +247,959 @@ test error-6.9 {catch must reset error state} {
catch foo
list $::errorCode
} {NONE}
+test error-6.10 {catch must reset errorstack} -body {
+ proc f x {g $x$x}
+ proc g x {error G:$x}
+ catch {f 12}
+ set e1 [info errorstack]
+ catch {f 13}
+ set e2 [info errorstack]
+ list $e1 $e2
+} -match glob -result {{INNER * CALL {g 1212} CALL {f 12} UP 1} {INNER * CALL {g 1313} CALL {f 13} UP 1}}
- test error-7.0 {Bug 1397843} -body {
+test error-7.1 {Bug 1397843} -body {
+ variable cmds
+ proc EIWrite args {
variable cmds
- proc EIWrite args {
- variable cmds
- lappend cmds [lindex [info level -2] 0]
- }
- proc BadProc {} {
- set i a
- incr i
- }
- trace add variable ::errorInfo write [namespace code EIWrite]
- catch BadProc
- trace remove variable ::errorInfo write [namespace code EIWrite]
- set cmds
- } -match glob -result {*BadProc*}
+ lappend cmds [lindex [info level -2] 0]
+ }
+ proc BadProc {} {
+ set i a
+ incr i
+ }
+ trace add variable ::errorInfo write [namespace code EIWrite]
+ catch BadProc
+ trace remove variable ::errorInfo write [namespace code EIWrite]
+ set cmds
+} -match glob -result {*BadProc*}
+
+# throw tests
+
+test error-8.1 {throw produces error 1 at level 0} {
+ catch { throw FOO bar }
+} {1}
+test error-8.2 {throw behaves as error does at level 0} {
+ catch { throw FOO bar } em1 opts1
+ catch { error bar {} FOO } em2 opts2
+ dict set opts1 -result $em1
+ dict set opts2 -result $em2
+ foreach key {-code -level -result -errorcode} {
+ if { [dict get $opts1 $key] ne [dict get $opts2 $key] } {
+ error "error/throw outcome differs on '$key'"
+ }
+ }
+} {}
+test error-8.3 {throw produces error 1 at level > 0} {
+ proc throw_foo {} {
+ throw FOO bar
+ }
+ catch { throw_foo }
+} {1}
+test error-8.4 {throw behaves as error does at level > 0} {
+ proc throw_foo {} {
+ throw FOO bar
+ }
+ proc error_foo {} {
+ error bar {} FOO
+ }
+ catch { throw_foo } em1 opts1
+ catch { error_foo } em2 opts2
+ dict set opts1 -result $em1
+ dict set opts2 -result $em2
+ foreach key {-code -level -result -errorcode} {
+ if { [dict get $opts1 $key] ne [dict get $opts2 $key] } {
+ error "error/throw outcome differs on '$key'"
+ }
+ }
+} {}
+test error-8.5 {throw syntax checks} -returnCodes error -body {
+ throw
+} -result {wrong # args: should be "throw type message"}
+test error-8.6 {throw syntax checks} -returnCodes error -body {
+ throw a
+} -result {wrong # args: should be "throw type message"}
+test error-8.7 {throw syntax checks} -returnCodes error -body {
+ throw a b c
+} -result {wrong # args: should be "throw type message"}
+test error-8.8 {throw syntax checks} -returnCodes error -body {
+ throw "not a \{ list" foo
+} -result {unmatched open brace in list}
+test error-8.9 {throw syntax checks} -returnCodes error -body {
+ throw {} foo
+} -result {type must be non-empty list}
+test error-8.10 {Bug 33b7abb8a2: throw stack usage} -returnCodes error -body {
+ apply {code {throw $code foo}} {}
+} -result {type must be non-empty list}
+test error-8.11 {Bug 7174354ecb: throw error message} -returnCodes error -body {
+ throw {not {}a list} x[]y
+} -result {list element in braces followed by "a" instead of space}
+
+# simple try tests: body completes with code ok
+
+test error-9.1 {try (ok, empty result) with no handlers} {
+ try list
+} {}
+test error-9.2 {try (ok, non-empty result) with no handlers} {
+ try { list a b c }
+} {a b c}
+test error-9.3 {try (ok, non-empty result) with trap handler} {
+ try { list a b c } trap {} {} { list d e f }
+} {a b c}
+test error-9.4 {try (ok, non-empty result) with on handler} {
+ try { list a b c } on break {} { list d e f }
+} {a b c}
+test error-9.5 {try (ok, non-empty result) with on ok handler} {
+ try { list a b c } on ok {} { list d e f }
+} {d e f}
+
+# simple try tests - "on" handler matching
+
+test error-10.1 {try with on ok} {
+ try { list a b c } on ok {} { list d e f }
+} {d e f}
+test error-10.2 {try with on 0} {
+ try { list a b c } on 0 {} { list d e f }
+} {d e f}
+test error-10.3 {try with on error (using error)} {
+ try { error a b c } on error {} { list d e f }
+} {d e f}
+test error-10.4 {try with on error (using return -code)} {
+ try { return -level 0 -code 1 a } on error {} { list d e f }
+} {d e f}
+test error-10.5 {try with on error (using throw)} {
+ try { throw c a } on error {} { list d e f }
+} {d e f}
+test error-10.6 {try with on 1 (using error)} {
+ try { error a b c } on 1 {} { list d e f }
+} {d e f}
+test error-10.7 {try with on return} {
+ try { return [list a b c] } on return {} { list d e f }
+} {d e f}
+test error-10.8 {try with on break} {
+ try { break } on break {} { list d e f }
+} {d e f}
+test error-10.9 {try with on continue} {
+ try { continue } on continue {} { list d e f }
+} {d e f}
+test error-10.10 {try with on for arbitrary (decimal) return code} {
+ try { return -level 0 -code 123456 } on 123456 {} { list d e f }
+} {d e f}
+test error-10.11 {try with on for arbitrary (hex) return code} {
+ try { return -level 0 -code 0x123456 } on 0x123456 {} { list d e f }
+} {d e f}
+test error-10.12 {try with on for arbitrary return code (mixed number representations)} {
+ try { return -level 0 -code 0x10 } on 16 {} { list d e f }
+} {d e f}
+
+# simple try tests - "trap" handler matching
+
+test error-11.1 {try with trap all} {
+ try { throw FOO bar } trap {} {} { list d e f }
+} {d e f}
+test error-11.2 {try with trap (exact)} {
+ try { throw FOO bar } trap {FOO} {} { list d e f }
+} {d e f}
+test error-11.3 {try with trap (prefix 1)} {
+ try { throw [list FOO A B C D] bar } trap {FOO} {} { list d e f }
+} {d e f}
+test error-11.4 {try with trap (prefix 2)} {
+ try { throw [list FOO A B C D] bar } trap {FOO A} {} { list d e f }
+} {d e f}
+test error-11.5 {try with trap (prefix 3)} {
+ try { throw [list FOO A B C D] bar } trap {FOO A B} {} { list d e f }
+} {d e f}
+test error-11.6 {try with trap (prefix 4)} {
+ try { throw [list FOO A B C D] bar } trap {FOO A B C} {} { list d e f }
+} {d e f}
+test error-11.7 {try with trap (exact, 5 elements)} {
+ try { throw [list FOO A B C D] bar } trap {FOO A B C D} {} { list d e f }
+} {d e f}
+
+# simple try tests - variable assignment and result handling
+
+test error-12.1 {try with no variable assignment in on handler} {
+ try { throw FOO bar } on error {} { list d e f }
+} {d e f}
+test error-12.2 {try with result variable assignment in on handler} {
+ try { throw FOO bar } on error {res} { set res }
+} {bar}
+test error-12.3 {try with result variable assignment in on handler, var remains in scope} {
+ try { throw FOO bar } on error {res} { list d e f }
+ set res
+} {bar}
+test error-12.4 {try with result/opts variable assignment in on handler} {
+ try {
+ throw FOO bar
+ } on error {res opts} {
+ set r "$res,[dict get $opts -errorcode]"
+ }
+} {bar,FOO}
+test error-12.5 {try with result/opts variable assignment in on handler, vars remain in scope} {
+ try { throw FOO bar } on error {res opts} { list d e f }
+ set r "$res,[dict get $opts -errorcode]"
+} {bar,FOO}
+test error-12.6 {try result is propagated if no matching handler} {
+ try { list a b c } on error {} { list d e f }
+} {a b c}
+test error-12.7 {handler result is propagated if handler executes} {
+ try { throw FOO bar } on error {} { list d e f }
+} {d e f}
+
+# negative case try tests - bad args to try
+
+test error-13.1 {try with no arguments} -body {
+ # warning: error message may change
+ try
+} -returnCodes error -match glob -result {wrong # args: *}
+test error-13.2 {try with body only (ok)} {
+ try list
+} {}
+test error-13.3 {try with missing finally body} -body {
+ # warning: error message may change
+ try list finally
+} -returnCodes error -match glob -result {wrong # args to finally clause: *}
+test error-13.4 {try with bad handler keyword} -body {
+ # warning: error message may change
+ try list then a b c
+} -returnCodes error -match glob -result {bad handler *}
+test error-13.5 {try with partial handler #1} -body {
+ # warning: error message may change
+ try list on
+} -returnCodes error -match glob -result {wrong # args to on clause: *}
+test error-13.6 {try with partial handler #2} -body {
+ # warning: error message may change
+ try list on error
+} -returnCodes error -match glob -result {wrong # args to on clause: *}
+test error-13.7 {try with partial handler #3} -body {
+ # warning: error message may change
+ try list on error {em opts}
+} -returnCodes error -match glob -result {wrong # args to on clause: *}
+test error-13.8 {try with multiple handlers and finally (ok)} {
+ try list on error {} {} trap {} {} {} finally {}
+} {}
+test error-13.9 {last handler body can't be a fallthrough #1} -body {
+ try list on error {} {} on break {} -
+} -returnCodes error -result {last non-finally clause must not have a body of "-"}
+test error-13.10 {last handler body can't be a fallthrough #2} -body {
+ try list on error {} {} on break {} - finally { list d e f }
+} -returnCodes error -result {last non-finally clause must not have a body of "-"}
+
+# try tests - multiple handlers (left-to-right matching, only one runs)
+
+test error-14.1 {try with multiple handlers (only one matches) #1} {
+ try { throw FOO bar } on ok {} { list a b c } trap FOO {} { list d e f }
+} {d e f}
+test error-14.2 {try with multiple handlers (only one matches) #2} {
+ try { throw FOO bar } trap FOO {} { list d e f } on ok {} { list a b c }
+} {d e f}
+test error-14.3 {try with multiple handlers (only one matches) #3} {
+ try {
+ throw FOO bar
+ } on break {} {
+ list x y z
+ } trap FOO {} {
+ list d e f
+ } on ok {} {
+ list a b c
+ }
+} {d e f}
+test error-14.4 {try with multiple matching handlers (only the first in left-to-right order runs) #1} {
+ try { throw FOO bar } on error {} { list a b c } trap FOO {} { list d e f }
+} {a b c}
+test error-14.5 {try with multiple matching handlers (only the first in left-to-right order runs) #2} {
+ try { throw FOO bar } trap FOO {} { list d e f } on error {} { list a b c }
+} {d e f}
+test error-14.6 {try with multiple matching handlers (only the first in left-to-right order runs) #3} {
+ try { throw FOO bar } trap {} {} { list d e f } on 1 {} { list a b c }
+} {d e f}
+test error-14.7 {try with multiple matching handlers (only the first in left-to-right order runs) #4} {
+ try { throw FOO bar } on 1 {} { list a b c } trap {} {} { list d e f }
+} {a b c}
+test error-14.8 {try with handler-of-last-resort "trap {}"} {
+ try { throw FOO bar } trap FOX {} { list a b c } trap {} {} { list d e f }
+} {d e f}
+test error-14.9 {try with handler-of-last-resort "on error"} {
+ try { foo } trap FOX {} { list a b c } on error {} { list d e f }
+} {d e f}
+
+# try tests - propagation (no matching handlers)
+
+test error-15.1 {try with no handler (ok result propagates)} {
+ try { list a b c }
+} {a b c}
+test error-15.2 {try with no matching handler (ok result propagates)} {
+ try { list a b c } on error {} { list d e f }
+} {a b c}
+test error-15.3 {try with no handler (error result propagates)} -body {
+ try { throw FOO bar }
+} -returnCodes error -result {bar}
+test error-15.4 {try with no matching handler (error result propagates)} -body {
+ try { throw FOO bar } trap FOX {} { list a b c }
+} -returnCodes error -result {bar}
+test error-15.5 {try with no handler (return result propagates)} -body {
+ try { return bar }
+} -returnCodes 2 -result {bar}
+test error-15.6 {try with no matching handler (break result propagates)} -body {
+ try { if {1} break } on error {} { list a b c }
+} -returnCodes 3 -result {}
+test error-15.7 {try with no matching handler (unknown integer result propagates)} -body {
+ try { return -level 0 -code 123456 } trap {} {} { list a b c }
+} -returnCodes 123456 -result {}
+
+foreach level {0 1 2 3} {
+ foreach code {0 1 2 3 4 5} {
+
+ # Following cases have different -errorinfo; avoid false alarms
+ # TODO: examine whether these difference are as they ought to be.
+ if {$level == 0 && $code == 1} continue
+
+ foreach extras {{} {-bar soom}} {
+
+test error-15.8.$level.$code.[llength $extras] {[try] coverage} {
+ set script {return -level $level -code $code {*}$extras foo}
+ catch $script m1 o1
+ catch {try $script} m2 o2
+ set o1 [lsort -stride 2 $o1]
+ set o2 [lsort -stride 2 $o2]
+ expr {$o1 eq $o2 ? "ok" : "$o1\n\tis not equal to\n$o2"}
+} ok
+
+test error-15.9.$level.$code.[llength $extras] {[try] coverage} {
+ set script {return -level $level -code $code {*}$extras foo}
+ catch $script m1 o1
+ catch {try $script finally {}} m2 o2
+ set o1 [lsort -stride 2 $o1]
+ set o2 [lsort -stride 2 $o2]
+ expr {$o1 eq $o2 ? "ok" : "$o1\n\tis not equal to\n$o2"}
+} ok
+
+test error-15.10.$level.$code.[llength $extras] {[try] coverage} {
+ set script {return -level $level -code $code {*}$extras foo}
+ catch $script m1 o1
+ catch {try $script on $code {x y} {return -options $y $x}} m2 o2
+ set o1 [lsort -stride 2 $o1]
+ set o2 [lsort -stride 2 $o2]
+ expr {$o1 eq $o2 ? "ok" : "$o1\n\tis not equal to\n$o2"}
+} ok
+
+ }
+ }
+}
+
+# try tests - propagation (exceptions in handlers, exception chaining)
+
+test error-16.1 {try with successfully executed handler} {
+ try { throw FOO bar } trap FOO {} { list a b c }
+} {a b c}
+test error-16.2 {try with exception (error) in handler} -body {
+ try { throw FOO bar } trap FOO {} { throw BAR foo }
+} -returnCodes error -result {foo}
+test error-16.3 {try with exception (return) in handler} -body {
+ try { throw FOO bar } trap FOO {} { return BAR }
+} -returnCodes 2 -result {BAR}
+test error-16.4 {try with exception (break) in handler #1} -body {
+ try { throw FOO bar } trap FOO {} { break }
+} -returnCodes 3 -result {}
+test error-16.5 {try with exception (break) in handler #2} {
+ for { set i 5 } { $i < 10 } { incr i } {
+ try { throw FOO bar } trap FOO {} { break }
+ }
+ set i
+} {5}
+test error-16.6 {try with variable assignment and propagation #1} {
+ # Ensure that the handler variables preserve the exception off the
+ # try-body, and are not modified by the exception off the handler
+ catch {
+ try { throw FOO bar } trap FOO {em} { throw BAR baz }
+ }
+ set em
+} {bar}
+test error-16.7 {try with variable assignment and propagation #2} {
+ catch {
+ try { throw FOO bar } trap FOO {em opts} { throw BAR baz }
+ }
+ list $em [dict get $opts -errorcode]
+} {bar FOO}
+test error-16.8 {exception chaining (try=ok, handler=error)} -body {
+ #FIXME is the intent of this test correct?
+ catch {
+ try { list a b c } on ok {em opts} { throw BAR baz }
+ } tryem tryopts
+ list $opts [dict get $tryopts -during]
+} -match pairwise -result equal
+test error-16.9 {exception chaining (try=error, handler=error)} -body {
+ # The exception off the handler should chain to the exception off the
+ # try-body (using the -during option)
+ catch {
+ try { throw FOO bar } trap {} {em opts} { throw BAR baz }
+ } tryem tryopts
+ list $opts [dict get $tryopts -during]
+} -match pairwise -result equal
+test error-16.10 {no exception chaining when handler is successful} {
+ catch {
+ try { throw FOO bar } trap {} {em opts} { list d e f }
+ } tryem tryopts
+ dict exists $tryopts -during
+} {0}
+test error-16.11 {no exception chaining when handler is a non-error exception} {
+ catch {
+ try { throw FOO bar } trap {} {em opts} { break }
+ } tryem tryopts
+ dict exists $tryopts -during
+} {0}
+test error-16.12 {compiled try with successfully executed handler} {
+ apply {{} {
+ try { throw FOO bar } trap FOO {} { list a b c }
+ }}
+} {a b c}
+test error-16.13 {compiled try with exception (error) in handler} -body {
+ apply {{} {
+ try { throw FOO bar } trap FOO {} { throw BAR foo }
+ }}
+} -returnCodes error -result {foo}
+test error-16.14 {compiled try with exception (return) in handler} -body {
+ apply {{} {
+ list [catch {
+ try { throw FOO bar } trap FOO {} { return BAR }
+ } msg] $msg
+ }}
+} -result {2 BAR}
+test error-16.15 {compiled try with exception (break) in handler} {
+ apply {{} {
+ for { set i 5 } { $i < 10 } { incr i } {
+ try { throw FOO bar } trap FOO {} { break }
+ }
+ return $i
+ }}
+} {5}
+test error-16.16 {compiled try with exception (continue) in handler} {
+ apply {{} {
+ for { set i 5 } { $i < 10 } { incr i } {
+ try { throw FOO bar } trap FOO {} { continue }
+ incr i 20
+ }
+ return $i
+ }}
+} {10}
+test error-16.17 {compiled try with variable assignment and propagation #1} {
+ # Ensure that the handler variables preserve the exception off the
+ # try-body, and are not modified by the exception off the handler
+ apply {{} {
+ catch {
+ try { throw FOO bar } trap FOO {em} { throw BAR baz }
+ }
+ return $em
+ }}
+} {bar}
+test error-16.18 {compiled try with variable assignment and propagation #2} {
+ apply {{} {
+ catch {
+ try { throw FOO bar } trap FOO {em opts} { throw BAR baz }
+ }
+ list $em [dict get $opts -errorcode]
+ }}
+} {bar FOO}
+test error-16.19 {compiled try exception chaining (try=ok, handler=error)} -body {
+ #FIXME is the intent of this test correct?
+ apply {{} {
+ catch {
+ try { list a b c } on ok {em opts} { throw BAR baz }
+ } tryem tryopts
+ list $opts [dict get $tryopts -during]
+ }}
+} -match pairwise -result equal
+test error-16.20 {compiled try exception chaining (try=error, handler=error)} -body {
+ # The exception off the handler should chain to the exception off the
+ # try-body (using the -during option)
+ apply {{} {
+ catch {
+ try { throw FOO bar } trap {} {em opts} { throw BAR baz }
+ } tryem tryopts
+ list $opts [dict get $tryopts -during]
+ }}
+} -match pairwise -result equal
+test error-16.21 {compiled try exception chaining (try=error, finally=error)} {
+ # The exception off the handler should chain to the exception off the
+ # try-body (using the -during option)
+ apply {{} {
+ catch {
+ try { throw FOO bar } finally { throw BAR baz }
+ } tryem tryopts
+ dict get $tryopts -during -errorcode
+ }}
+} FOO
+test error-16.22 {compiled try: no exception chaining when handler is successful} {
+ apply {{} {
+ catch {
+ try { throw FOO bar } trap {} {em opts} { list d e f }
+ } tryem tryopts
+ dict exists $tryopts -during
+ }}
+} {0}
+test error-16.23 {compiled try: no exception chaining when handler is a non-error exception} {
+ apply {{} {
+ catch {
+ try { throw FOO bar } trap {} {em opts} { break }
+ } tryem tryopts
+ dict exists $tryopts -during
+ }}
+} {0}
+test error-16.24 {compiled try exception chaining (try=ok, handler=error, finally=error)} -body {
+ apply {{} {
+ catch {
+ try {
+ list a b c
+ } on ok {em opts} {
+ throw BAR baz
+ } finally {
+ throw DING dong
+ }
+ } tryem tryopts
+ list $opts [dict get $tryopts -during -during]
+ }}
+} -match pairwise -result equal
+test error-16.25 {compiled try exception chaining (all errors)} -body {
+ apply {{} {
+ catch {
+ try {
+ throw FOO bar
+ } on error {em opts} {
+ throw BAR baz
+ } finally {
+ throw DING dong
+ }
+ } tryem tryopts
+ list $opts [dict get $tryopts -during -during]
+ }}
+} -match pairwise -result equal
+
+# try tests - finally
+
+test error-17.1 {finally always runs (try with ok result)} {
+ set RES {}
+ try { list a b c } finally { set RES done }
+ set RES
+} {done}
+test error-17.2 {finally always runs (try with error result)} {
+ set RES {}
+ catch {
+ try { throw FOO bar } finally { set RES done }
+ }
+ set RES
+} {done}
+test error-17.3 {finally always runs (try with matching handler)} {
+ set RES {}
+ try { throw FOO bar } trap FOO {} { list a b c } finally { set RES done }
+ set RES
+} {done}
+test error-17.4 {finally always runs (try with exception in handler)} {
+ set RES {}
+ catch {
+ try {
+ throw FOO bar
+ } trap FOO {} {
+ throw BAR baz
+ } finally {
+ set RES done
+ }
+ }
+ set RES
+} {done}
+test error-17.5 {successful finally doesn't modify try outcome (try=ok)} {
+ try { list a b c } finally { list d e f }
+} {a b c}
+test error-17.6 {successful finally doesn't modify try outcome (try=return)} -body {
+ try { return c } finally { list d e f }
+} -returnCodes 2 -result {c}
+test error-17.7 {successful finally doesn't modify try outcome (try=error)} -body {
+ try { error bar } finally { list d e f }
+} -returnCodes 1 -result {bar}
+test error-17.8 {successful finally doesn't modify handler outcome (handler=ok)} {
+ try { throw FOO bar } trap FOO {} { list a b c } finally { list d e f }
+} {a b c}
+test error-17.9 {successful finally doesn't modify handler outcome (handler=error)} -body {
+ try { throw FOO bar } trap FOO {} { throw BAR baz } finally { list d e f }
+} -returnCodes error -result {baz}
+test error-17.10 {successful finally doesn't affect variable assignment} {
+ catch {
+ try { throw FOO bar } trap FOO {em opts} { list d e f } finally { list d e f }
+ } result
+ list $em $result
+} {bar {d e f}}
+test error-17.11 {successful finally doesn't affect variable assignment or propagation} {
+ catch {
+ try { throw FOO bar } trap FOO {em opts} { throw BAR baz } finally { list d e f }
+ }
+ list $em [dict get $opts -errorcode]
+} {bar FOO}
+
+# try tests - propagation (exceptions in finally, exception chaining)
+
+test error-18.1 {try (ok) with exception in finally (error)} -body {
+ try { list a b c } finally { throw BAR foo }
+} -returnCodes error -result {foo}
+test error-18.2 {try (error) with exception in finally (break)} -body {
+ try { throw FOO bar } finally { break }
+} -returnCodes 3 -result {}
+test error-18.3 {try (ok) with handler (ok) and exception in finally (error)} -body {
+ try { list a b c } on ok {} { list d e f } finally { throw BAR foo }
+} -returnCodes error -result {foo}
+test error-18.4 {try (error) with exception in handler (error) and in finally (arb code)} -body {
+ try { throw FOO bar } on error {} { throw BAR baz } finally { return -level 0 -code 99 zing }
+} -returnCodes 99 -result {zing}
+test error-18.5 {exception in finally doesn't affect variable assignment} {
+ catch {
+ try { throw FOO bar } trap FOO {em opts} { throw BAR baz } finally { throw BAZ zing }
+ }
+ list $em [dict get $opts -errorcode]
+} {bar FOO}
+test error-18.6 {exception chaining in finally (try=ok)} -body {
+ catch {
+ list a b c
+ } em expopts
+ catch {
+ try { list a b c } finally { throw BAR foo }
+ } em opts
+ list $expopts [dict get $opts -during]
+} -match pairwise -result equal
+test error-18.7 {exception chaining in finally (try=error)} {
+ catch {
+ try { throw FOO bar } finally { throw BAR baz }
+ } em opts
+ dict get $opts -during -errorcode
+} {FOO}
+test error-18.8 {exception chaining in finally (try=ok, handler=ok)} {
+ catch {
+ try { list a b c } on ok {} { list d e f } finally { throw BAR baz }
+ } em opts
+ list [dict get $opts -during -code] [dict exists $opts -during -during]
+} {0 0}
+test error-18.9 {exception chaining in finally (try=error, handler=ok)} {
+ catch {
+ try {
+ throw FOO bar
+ } on error {} {
+ list d e f
+ } finally {
+ throw BAR baz
+ }
+ } em opts
+ list [dict get $opts -during -code] [dict exists $opts -during -during]
+} {0 0}
+test error-18.10 {exception chaining in finally (try=error, handler=error)} {
+ catch {
+ try {
+ throw FOO bar
+ } on error {} {
+ throw BAR baz
+ } finally {
+ throw BAR baz
+ }
+ } em opts
+ list [dict get $opts -during -errorcode] [dict get $opts -during -during -errorcode]
+} {BAR FOO}
+test error-18.11 {no exception chaining if finally produces a non-error exception} {
+ catch {
+ try { throw FOO bar } on error {} { throw BAR baz } finally { break }
+ } em opts
+ dict exists $opts -during
+} {0}
+test error-18.12 {variable assignment unaffected by exception in finally} {
+ catch {
+ try {
+ throw FOO bar
+ } on error {em opts} {
+ list a b c
+ } finally {
+ throw BAR baz
+ }
+ }
+ list $em [dict get $opts -errorcode]
+} {bar FOO}
+
+# try tests - fallthough body cases
+
+test error-19.1 {try with fallthrough body #1} {
+ set RES {}
+ try { list a b c } on ok { set RES 0 } - on error {} { set RES 1 }
+ set RES
+} {1}
+test error-19.2 {try with fallthrough body #2} {
+ set RES {}
+ try {
+ throw FOO bar
+ } trap BAR {} {
+ } trap FOO {} - trap {} {} {
+ set RES foo
+ } on error {} {
+ set RES err
+ }
+ set RES
+} {foo}
+test error-19.3 {try with cascade fallthrough} {
+ set RES {}
+ try {
+ throw FOO bar
+ } trap FOO {} - trap BAR {} - trap {} {} {
+ set RES trap
+ } on error {} { set RES err }
+ set RES
+} {trap}
+test error-19.4 {multiple unrelated fallthroughs #1} {
+ set RES {}
+ try {
+ throw FOO bar
+ } trap FOO {} - trap BAR {} {
+ set RES foo
+ } trap {} {} - on error {} {
+ set RES err
+ }
+ set RES
+} {foo}
+test error-19.5 {multiple unrelated fallthroughs #2} {
+ set RES {}
+ try {
+ throw BAZ zing
+ } trap FOO {} - trap BAR {} {
+ set RES foo
+ } trap {} {} - on error {} {
+ set RES err
+ }
+ set RES
+} {err}
+proc addmsg msg {
+ variable RES
+ lappend RES $msg
+}
+test error-19.6 {compiled try executes all clauses} -setup {
+ set RES {}
+} -body {
+ apply {{} {
+ try {
+ addmsg a
+ throw bar hello
+ } trap bar {res opt} {
+ addmsg b
+ } finally {
+ addmsg c
+ }
+ addmsg d
+ } ::tcl::test::error}
+} -cleanup {
+ unset RES
+} -result {a b c d}
+test error-19.7 {compiled try executes all clauses} -setup {
+ set RES {}
+} -body {
+ apply {{} {
+ try {
+ addmsg a
+ } on error {res opt} {
+ addmsg b
+ } on ok {} {
+ addmsg c
+ } finally {
+ addmsg d
+ }
+ addmsg e
+ } ::tcl::test::error}
+} -cleanup {
+ unset RES
+} -result {a c d e}
+test error-19.8 {compiled try executes all clauses} -setup {
+ set RES {}
+} -body {
+ apply {{} {
+ try {
+ addmsg a
+ throw bar hello
+ } trap bar {res opt} {
+ addmsg b
+ }
+ addmsg c
+ } ::tcl::test::error}
+} -cleanup {
+ unset RES
+} -result {a b c}
+test error-19.9 {compiled try executes all clauses} -setup {
+ set RES {}
+} -body {
+ apply {{} {
+ try {
+ addmsg a
+ } on error {res opt} {
+ addmsg b
+ } on ok {} {
+ addmsg c
+ }
+ addmsg d
+ } ::tcl::test::error}
+} -cleanup {
+ unset RES
+} -result {a c d}
+test error-19.10 {compiled try with chained clauses} -setup {
+ set RES {}
+} -body {
+ list [apply {{} {
+ try {
+ return good
+ } on return {res} - on ok {res} {
+ addmsg ok
+ addmsg $res
+ return handler
+ } finally {
+ addmsg finally
+ }
+ } ::tcl::test::error}] $RES
+} -cleanup {
+ unset RES
+} -result {handler {ok good finally}}
+test error-19.11 {compiled try and errors on variable write} -setup {
+ set RES {}
+} -body {
+ apply {{} {
+ array set foo {bar boo}
+ set bar unset
+ catch {
+ try {
+ addmsg body
+ return a
+ } on return {bar foo} {
+ addmsg handler
+ return b
+ } finally {
+ addmsg finally,$bar
+ }
+ } msg
+ addmsg $msg
+ } ::tcl::test::error}
+} -cleanup {
+ unset RES
+} -result {body finally,a {can't set "foo": variable is array}}
+test error-19.12 {interpreted try and errors on variable write} -setup {
+ set RES {}
+} -body {
+ apply {try {
+ array set foo {bar boo}
+ set bar unset
+ catch {
+ $try {
+ addmsg body
+ return a
+ } on return {bar foo} {
+ addmsg handler
+ return b
+ } finally {
+ addmsg finally,$bar
+ }
+ } msg
+ addmsg $msg
+ } ::tcl::test::error} try
+} -cleanup {
+ unset RES
+} -result {body finally,a {can't set "foo": variable is array}}
+test error-19.13 {compiled try and errors on variable write} -setup {
+ set RES {}
+} -body {
+ apply {{} {
+ array set foo {bar boo}
+ set bar unset
+ catch {
+ try {
+ addmsg body
+ return a
+ } on return {bar foo} - on error {bar foo} {
+ addmsg handler
+ return b
+ } finally {
+ addmsg finally,$bar
+ }
+ } msg
+ addmsg $msg
+ } ::tcl::test::error}
+} -cleanup {
+ unset RES
+} -result {body finally,a {can't set "foo": variable is array}}
+rename addmsg {}
+
+# FIXME test what vars get set on fallthough ... what is the correct behavior?
+# It would seem appropriate to set at least those for the matching handler and
+# the executed body; possibly for each handler we fall through as well?
+
+# negative case try tests - bad "on" handler
+
+test error-20.1 {bad code name in on handler} -body {
+ try { list a b c } on err {} {}
+} -returnCodes error -match glob -result {bad completion code "err": must be ok, error, return, break, continue*, or an integer}
+test error-20.2 {bad code value in on handler} -body {
+ try { list a b c } on 34985723094872345 {} {}
+} -returnCodes error -match glob -result {bad completion code "34985723094872345": must be ok, error, return, break, continue*, or an integer}
+
+test error-21.1 {memory leaks in try: Bug 2910044} memory {
+ leaktest {
+ try {string repeat x 10} on ok {} {}
+ }
+} 0
+test error-21.2 {memory leaks in try: Bug 2910044} memory {
+ leaktest {
+ try {error [string repeat x 10]} on error {} {}
+ }
+} 0
+test error-21.3 {memory leaks in try: Bug 2910044} memory {
+ leaktest {
+ try {throw FOO [string repeat x 10]} trap FOO {} {}
+ }
+} 0
+test error-21.4 {memory leaks in try: Bug 2910044} memory {
+ leaktest {
+ try {string repeat x 10}
+ }
+} 0
+test error-21.5 {memory leaks in try: Bug 2910044} memory {
+ leaktest {
+ try {string repeat x 10} on ok {} {} finally {string repeat y 10}
+ }
+} 0
+test error-21.6 {memory leaks in try: Bug 2910044} memory {
+ leaktest {
+ try {
+ error [string repeat x 10]
+ } on error {} {} finally {
+ string repeat y 10
+ }
+ }
+} 0
+test error-21.7 {memory leaks in try: Bug 2910044} memory {
+ leaktest {
+ try {
+ throw FOO [string repeat x 10]
+ } trap FOO {} {} finally {
+ string repeat y 10
+ }
+ }
+} 0
+test error-21.8 {memory leaks in try: Bug 2910044} memory {
+ leaktest {
+ try {string repeat x 10} finally {string repeat y 10}
+ }
+} 0
+
+# negative case try tests - bad "trap" handler
+# what is the effect if we attempt to trap an errorcode that is not a list?
+# nested try
+# catch inside try
+# no tests for bad varslist?
+# -errorcode but code!=1 doesn't trap
+# throw negative case tests (no args, too many args, etc)
+
}
namespace delete ::tcl::test::error
# cleanup
catch {rename p ""}
::tcltest::cleanupTests
-return
+return
+
+# Local Variables:
+# mode: tcl
+# End: