More test cleanup.

1 files changed, 237 insertions, 273 deletions

diff --git a/tests/exec.test b/tests/exec.test
index c803343..d3e3e35 100644
--- a/tests/exec.test
+++ b/tests/exec.test
@@ -1,17 +1,17 @@
 # Commands covered:  exec
 #
-# 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) 1991-1994 The Regents of the University of California.
 # Copyright (c) 1994-1997 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.
 #
-# RCS: @(#) $Id: exec.test,v 1.29 2008/03/11 22:23:33 das Exp $
+# RCS: @(#) $Id: exec.test,v 1.30 2008/07/19 16:20:17 dkf Exp $
 
 package require tcltest 2
 namespace import -force ::tcltest::*
@@ -20,6 +20,8 @@ namespace import -force ::tcltest::*
 # Skip them if exec is not defined.
 testConstraint exec [llength [info commands exec]]
 unset -nocomplain path
+
+# Utilities that are like bourne shell stalwarts, but cross-platform.
 set path(echo) [makeFile {
     puts -nonewline [lindex $argv 0]
     foreach str [lrange $argv 1 end] {
@@ -28,19 +30,17 @@ set path(echo) [makeFile {
     puts {}
     exit
 } echo]
-
 set path(echo2) [makeFile {
     puts stdout [join $argv]
     puts stderr [lindex $argv 1]
     exit
 } echo2]
-
 set path(cat) [makeFile {
-    if {$argv == {}} {
+    if {$argv eq ""} {
 	set argv -
     }
     foreach name $argv {
-	if {$name == "-"} {
+	if {$name eq "-"} {
 	    set f stdin
 	} elseif {[catch {open $name r} f] != 0} {
 	    puts stderr $f
@@ -49,13 +49,12 @@ set path(cat) [makeFile {
 	while {[eof $f] == 0} {
 	    puts -nonewline [read $f]
 	}
-	if {$f != "stdin"} {
+	if {$f ne "stdin"} {
 	    close $f
 	}
     }
     exit
 } cat]
-
 set path(wc) [makeFile {
     set data [read stdin]
     set lines [regsub -all "\n" $data {} dummy]
@@ -64,23 +63,20 @@ set path(wc) [makeFile {
     puts [format "%8.d%8.d%8.d" $lines $words $chars]
     exit
 } wc]
-
 set path(sh) [makeFile {
-    if {[lindex $argv 0] != "-c"} {
+    if {[lindex $argv 0] ne "-c"} {
 	error "sh: unexpected arguments $argv"
     }
     set cmd [lindex $argv 1]
     lappend cmd ";"
-
     set newcmd {}
-    
     foreach arg $cmd {
-	if {$arg == ";"} {
+	if {$arg eq ";"} {
 	    eval exec >@stdout 2>@stderr [list [info nameofexecutable]] $newcmd
 	    set newcmd {}
 	    continue
 	}
-	if {$arg == "1>&2"} {
+	if {$arg eq "1>&2"} {
 	    set arg >@stderr
 	}
 	lappend newcmd $arg
@@ -88,16 +84,14 @@ set path(sh) [makeFile {
     exit
 } sh]
 set path(sh2) [makeFile {
-    if {[lindex $argv 0] != "-c"} {
+    if {[lindex $argv 0] ne "-c"} {
 	error "sh: unexpected arguments $argv"
     }
     set cmd [lindex $argv 1]
     lappend cmd ";"
-
     set newcmd {}
-    
     foreach arg $cmd {
-	if {$arg == ";"} {
+	if {$arg eq ";"} {
 	    eval exec -ignorestderr >@stdout [list [info nameofexecutable]] $newcmd
 	    set newcmd {}
 	    continue
@@ -106,16 +100,21 @@ set path(sh2) [makeFile {
     }
     exit
 } sh2]
-
 set path(sleep) [makeFile {
     after [expr $argv*1000]
     exit
 } sleep]
-
 set path(exit) [makeFile {
     exit $argv
 } exit]
 
+proc readfile filename {
+    set f [open $filename]
+    set d [read $f]
+    close $f
+    return [string trimright $d \n]
+}
+
 # Basic operations.
 
 test exec-1.1 {basic exec operation} {exec} {
@@ -152,13 +151,19 @@ test exec-2.4 {redirecting input from immediate source} {exec stdio} {
 test exec-2.5 {redirecting input from immediate source} {exec} {
     exec [interpreter] $path(cat) "<<Joined to arrows"
 } {Joined to arrows}
-test exec-2.6 {redirecting input from immediate source, with UTF} {exec} {
-    # If this fails, it may give back:
-    # "\uC3\uA9\uC3\uA0\uC3\uBC\uC3\uB1"
-    # If it does, this means that the UTF -> external conversion did not 
-    # occur before writing out the temp file.
-    exec [interpreter] $path(cat) << "\uE9\uE0\uFC\uF1"
-} "\uE9\uE0\uFC\uF1"
+test exec-2.6 {redirecting input from immediate source, with UTF} -setup {
+    proc quotenonascii s {
+	regsub -all {\[|\\|\]} $s {\\&} s
+	regsub -all {[\u007f-\uffff]} $s \
+	    {[apply {c {format {\u%04x} [scan $c %c]}} &]} s
+	return [subst -novariables $s]
+    }
+} -constraints {exec} -body {
+    # If this fails, it may give back: "\uC3\uA9\uC3\uA0\uC3\uBC\uC3\uB1"
+    # If it does, this means that the UTF -> external conversion did not occur
+    # before writing out the temp file.
+    quotenonascii [exec [interpreter] $path(cat) << "\uE9\uE0\uFC\uF1"]
+} -result {\u00e9\u00e0\u00fc\u00f1}
 
 # I/O redirection: output to file.
 
@@ -260,18 +265,18 @@ test exec-5.4 {redirecting input from file} {exec stdio} {
 test exec-5.5 {redirecting input from file} {exec} {
     exec [interpreter] $path(cat) <$path(gorp.file)
 } {Just a few thoughts}
-test exec-5.6 {redirecting input from file} {exec} {
+test exec-5.6 {redirecting input from file} -constraints {exec} -body {
     set f [open $path(gorp.file) r]
-    set result [exec [interpreter] $path(cat) <@ $f]
+    exec [interpreter] $path(cat) <@ $f
+} -cleanup {
     close $f
-    set result
-} {Just a few thoughts}
-test exec-5.7 {redirecting input from file} {exec} {
+} -result {Just a few thoughts}
+test exec-5.7 {redirecting input from file} -constraints {exec} -body {
     set f [open $path(gorp.file) r]
-    set result [exec <@$f [interpreter] $path(cat)]
+    exec <@$f [interpreter] $path(cat)
+} -cleanup {
     close $f
-    set result
-} {Just a few thoughts}
+} -result {Just a few thoughts}
 
 # I/O redirection: standard error through a pipeline.
 
@@ -300,7 +305,6 @@ test exec-7.2 {multiple I/O redirections} {exec} {
 } {command input}
 
 # Long input to command and output from command.
-
 set a "0123456789 xxxxxxxxx abcdefghi ABCDEFGHIJK\n"
 set a [concat $a $a $a $a]
 set a [concat $a $a $a $a]
@@ -309,9 +313,7 @@ set a [concat $a $a $a $a]
 test exec-8.1 {long input and output} {exec} {
     exec [interpreter] $path(cat) << $a
 } $a
-
 # More than 20 arguments to exec.
-
 test exec-8.2 {long input and output} {exec} {
     exec [interpreter] $path(echo) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
 } {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23}
@@ -325,122 +327,120 @@ test exec-9.1 {commands returning errors} {exec} {
 test exec-9.2 {commands returning errors} {exec} {
     string tolower [list [catch {exec [interpreter] echo foo | foo123} msg] $msg $errorCode]
 } {1 {couldn't execute "foo123": no such file or directory} {posix enoent {no such file or directory}}}
-test exec-9.3 {commands returning errors} {exec stdio} {
-    list [catch {exec [interpreter] $path(sleep) 1 | [interpreter] $path(exit) 43 | [interpreter] $path(sleep) 1} msg] $msg
-} {1 {child process exited abnormally}}
-test exec-9.4 {commands returning errors} {exec stdio} {
-    list [catch {exec [interpreter] $path(exit) 43 | [interpreter] $path(echo) "foo bar"} msg] $msg
-} {1 {foo bar
-child process exited abnormally}}
-test exec-9.5 {commands returning errors} {exec stdio} {
-    list [catch {exec gorp456 | [interpreter] echo a b c} msg] [string tolower $msg]
-} {1 {couldn't execute "gorp456": no such file or directory}}
-test exec-9.6 {commands returning errors} {exec} {
-    list [catch {exec [interpreter] "$path(sh)" -c "\"$path(echo)\" error msg 1>&2"} msg] $msg
-} {1 {error msg}}
-test exec-9.7 {commands returning errors} {exec stdio} {
-    list [catch {exec [interpreter] "$path(sh)" -c "\"$path(echo)\" error msg 1>&2 ; \"$path(sleep)\" 1" \
-		    | [interpreter] "$path(sh)" -c "\"$path(echo)\" error msg 1>&2 ; \"$path(sleep)\" 1"} msg] $msg
-} {1 {error msg
-error msg}}
-
+test exec-9.3 {commands returning errors} -constraints {exec stdio} -body {
+    exec [interpreter] $path(sleep) 1 | [interpreter] $path(exit) 43 | [interpreter] $path(sleep) 1
+} -returnCodes error -result {child process exited abnormally}
+test exec-9.4 {commands returning errors} -constraints {exec stdio} -body {
+    exec [interpreter] $path(exit) 43 | [interpreter] $path(echo) "foo bar"
+} -returnCodes error -result {foo bar
+child process exited abnormally}
+test exec-9.5 {commands returning errors} -constraints {exec stdio} -body {
+    exec gorp456 | [interpreter] echo a b c
+} -returnCodes error -result {couldn't execute "gorp456": no such file or directory}
+test exec-9.6 {commands returning errors} -constraints {exec} -body {
+    exec [interpreter] "$path(sh)" -c "\"$path(echo)\" error msg 1>&2"
+} -returnCodes error -result {error msg}
+test exec-9.7 {commands returning errors} -constraints {exec stdio nonPortable} -body {
+    # This test can fail easily on multiprocessor machines
+    exec [interpreter] "$path(sh)" -c "\"$path(echo)\" error msg 1>&2 ; \"$path(sleep)\" 1" \
+	| [interpreter] "$path(sh)" -c "\"$path(echo)\" error msg 1>&2 ; \"$path(sleep)\" 1"
+} -returnCodes error -result {error msg
+error msg}
 set path(err) [makeFile {} err]
-
-test exec-9.8 {commands returning errors} {exec} {
+test exec-9.8 {commands returning errors} -constraints {exec} -setup {
     set f [open $path(err) w]
     puts $f {
 	puts stdout out
 	puts stderr err
     }
     close $f
-    list [catch {exec [interpreter] $path(err)} msg] $msg
-} {1 {out
-err}}
-
-# Errors in executing the Tcl command, as opposed to errors in the
-# processes that are invoked.
-
-test exec-10.1 {errors in exec invocation} {exec} {
-    list [catch {exec} msg] $msg
-} {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}
-test exec-10.2 {errors in exec invocation} {exec} {
-    list [catch {exec | cat} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.3 {errors in exec invocation} {exec} {
-    list [catch {exec cat |} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.4 {errors in exec invocation} {exec} {
-    list [catch {exec cat | | cat} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.5 {errors in exec invocation} {exec} {
-    list [catch {exec cat | |& cat} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.6 {errors in exec invocation} {exec} {
-    list [catch {exec cat |&} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.7 {errors in exec invocation} {exec} {
-    list [catch {exec cat <} msg] $msg
-} {1 {can't specify "<" as last word in command}}
-test exec-10.8 {errors in exec invocation} {exec} {
-    list [catch {exec cat >} msg] $msg
-} {1 {can't specify ">" as last word in command}}
-test exec-10.9 {errors in exec invocation} {exec} {
-    list [catch {exec cat <<} msg] $msg
-} {1 {can't specify "<<" as last word in command}}
-test exec-10.10 {errors in exec invocation} {exec} {
-    list [catch {exec cat >>} msg] $msg
-} {1 {can't specify ">>" as last word in command}}
-test exec-10.11 {errors in exec invocation} {exec} {
-    list [catch {exec cat >&} msg] $msg
-} {1 {can't specify ">&" as last word in command}}
-test exec-10.12 {errors in exec invocation} {exec} {
-    list [catch {exec cat >>&} msg] $msg
-} {1 {can't specify ">>&" as last word in command}}
-test exec-10.13 {errors in exec invocation} {exec} {
-    list [catch {exec cat >@} msg] $msg
-} {1 {can't specify ">@" as last word in command}}
-test exec-10.14 {errors in exec invocation} {exec} {
-    list [catch {exec cat <@} msg] $msg
-} {1 {can't specify "<@" as last word in command}}
-test exec-10.15 {errors in exec invocation} {exec} {
-    list [catch {exec cat < a/b/c} msg] [string tolower $msg]
-} {1 {couldn't read file "a/b/c": no such file or directory}}
-test exec-10.16 {errors in exec invocation} {exec} {
-    list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
-} {1 {couldn't write file "a/b/c": no such file or directory}}
-test exec-10.17 {errors in exec invocation} {exec} {
-    list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
-} {1 {couldn't write file "a/b/c": no such file or directory}}
+} -body {
+    exec [interpreter] $path(err)
+} -returnCodes error -result {out
+err}
+
+# Errors in executing the Tcl command, as opposed to errors in the processes
+# that are invoked.
+
+test exec-10.1 {errors in exec invocation} -constraints {exec} -body {
+    exec
+} -returnCodes error -result {wrong # args: should be "exec ?switches? arg ?arg ...?"}
+test exec-10.2 {errors in exec invocation} -constraints {exec} -body {
+    exec | cat
+} -returnCodes error -result {illegal use of | or |& in command}
+test exec-10.3 {errors in exec invocation} -constraints {exec} -body {
+    exec cat |
+} -returnCodes error -result {illegal use of | or |& in command}
+test exec-10.4 {errors in exec invocation} -constraints {exec} -body {
+    exec cat | | cat
+} -returnCodes error -result {illegal use of | or |& in command}
+test exec-10.5 {errors in exec invocation} -constraints {exec} -body {
+    exec cat | |& cat
+} -returnCodes error -result {illegal use of | or |& in command}
+test exec-10.6 {errors in exec invocation} -constraints {exec} -body {
+    exec cat |&
+} -returnCodes error -result {illegal use of | or |& in command}
+test exec-10.7 {errors in exec invocation} -constraints {exec} -body {
+    exec cat <
+} -returnCodes error -result {can't specify "<" as last word in command}
+test exec-10.8 {errors in exec invocation} -constraints {exec} -body {
+    exec cat >
+} -returnCodes error -result {can't specify ">" as last word in command}
+test exec-10.9 {errors in exec invocation} -constraints {exec} -body {
+    exec cat <<
+} -returnCodes error -result {can't specify "<<" as last word in command}
+test exec-10.10 {errors in exec invocation} -constraints {exec} -body {
+    exec cat >>
+} -returnCodes error -result {can't specify ">>" as last word in command}
+test exec-10.11 {errors in exec invocation} -constraints {exec} -body {
+    exec cat >&
+} -returnCodes error -result {can't specify ">&" as last word in command}
+test exec-10.12 {errors in exec invocation} -constraints {exec} -body {
+    exec cat >>&
+} -returnCodes error -result {can't specify ">>&" as last word in command}
+test exec-10.13 {errors in exec invocation} -constraints {exec} -body {
+    exec cat >@
+} -returnCodes error -result {can't specify ">@" as last word in command}
+test exec-10.14 {errors in exec invocation} -constraints {exec} -body {
+    exec cat <@
+} -returnCodes error -result {can't specify "<@" as last word in command}
+test exec-10.15 {errors in exec invocation} -constraints {exec} -body {
+    exec cat < a/b/c
+} -returnCodes error -result {couldn't read file "a/b/c": no such file or directory}
+test exec-10.16 {errors in exec invocation} -constraints {exec} -body {
+    exec cat << foo > a/b/c
+} -returnCodes error -result {couldn't write file "a/b/c": no such file or directory}
+test exec-10.17 {errors in exec invocation} -constraints {exec} -body {
+    exec cat << foo > a/b/c
+} -returnCodes error -result {couldn't write file "a/b/c": no such file or directory}
 set f [open $path(gorp.file) w]
-test exec-10.18 {errors in exec invocation} {exec} {
-    list [catch {exec cat <@ $f} msg] $msg
-} "1 {channel \"$f\" wasn't opened for reading}"
+test exec-10.18 {errors in exec invocation} -constraints {exec} -body {
+    exec cat <@ $f
+} -returnCodes error -result "channel \"$f\" wasn't opened for reading"
 close $f
 set f [open $path(gorp.file) r]
-test exec-10.19 {errors in exec invocation} {exec} {
-    list [catch {exec cat >@ $f} msg] $msg
-} "1 {channel \"$f\" wasn't opened for writing}"
+test exec-10.19 {errors in exec invocation} -constraints {exec} -body {
+    exec cat >@ $f
+} -returnCodes error -result "channel \"$f\" wasn't opened for writing"
 close $f
-test exec-10.20 {errors in exec invocation} {exec} {
-    list [catch {exec ~non_existent_user/foo/bar} msg] $msg
-} {1 {user "non_existent_user" doesn't exist}}
-test exec-10.21 {errors in exec invocation} {exec} {
-    list [catch {exec [interpreter] true | ~xyzzy_bad_user/x | false} msg] $msg
-} {1 {user "xyzzy_bad_user" doesn't exist}}
-test exec-10.22 {errors in exec invocation} \
--constraints exec \
--returnCodes 1 \
--body {exec echo test > ~non_existent_user/foo/bar} \
--result {user "non_existent_user" doesn't exist}
+test exec-10.20 {errors in exec invocation} -constraints {exec} -body {
+    exec ~non_existent_user/foo/bar
+} -returnCodes error -result {user "non_existent_user" doesn't exist}
+test exec-10.21 {errors in exec invocation} -constraints {exec} -body {
+    exec [interpreter] true | ~xyzzy_bad_user/x | false
+} -returnCodes error -result {user "xyzzy_bad_user" doesn't exist}
+test exec-10.22 {errors in exec invocation} -constraints exec -body {
+    exec echo test > ~non_existent_user/foo/bar
+} -returnCodes error -result {user "non_existent_user" doesn't exist}
 # Commands in background.
 
 test exec-11.1 {commands in background} {exec} {
-    set x [lindex [time {exec [interpreter] $path(sleep) 2 &}] 0]
-    expr $x<1000000
+    set time [time {exec [interpreter] $path(sleep) 2 &}]
+    expr {[lindex $time 0] < 1000000}
 } 1
-test exec-11.2 {commands in background} {exec} {
-    list [catch {exec [interpreter] $path(echo) a &b} msg] $msg
-} {0 {a &b}}
+test exec-11.2 {commands in background} -constraints {exec} -body {
+    exec [interpreter] $path(echo) a &b
+} -result {a &b}
 test exec-11.3 {commands in background} {exec} {
     llength [exec [interpreter] $path(sleep) 1 &]
 } 1
@@ -451,35 +451,33 @@ test exec-11.5 {commands in background} {exec} {
     set f [open $path(gorp.file) w]
     puts $f [list catch [list exec [info nameofexecutable] $path(echo) foo &]]
     close $f
-    string compare "foo" [exec [interpreter] $path(gorp.file)]
-} 0
+    exec [interpreter] $path(gorp.file)
+} foo
 
-# Make sure that background commands are properly reaped when
-# they eventually die.
+# Make sure that background commands are properly reaped when they
+# eventually die.
 
-if {[testConstraint exec]} {
-    exec [interpreter] $path(sleep) 3
+if {[testConstraint exec] && [testConstraint nonPortable]} {
+    after 1300
+    exec [interpreter] $path(sleep) 1
 }
-test exec-12.1 {reaping background processes} \
-	{exec unix nonPortable} {
+test exec-12.1 {reaping background processes} {exec unix nonPortable} {
     for {set i 0} {$i < 20} {incr i} {
 	exec echo foo > /dev/null &
     }
-    exec sleep 1
+    after 1000
     catch {exec ps | fgrep "echo foo" | fgrep -v fgrep | wc} msg
     lindex $msg 0
 } 0
-test exec-12.2 {reaping background processes} \
-	{exec unix nonPortable} {
+test exec-12.2 {reaping background processes} {exec unix nonPortable} {
     exec sleep 2 | sleep 2 | sleep 2 &
     catch {exec ps | fgrep -i "sleep" | fgrep -i -v fgrep | wc} msg
     set x [lindex $msg 0]
-    exec sleep 3
+    after 3000
     catch {exec ps | fgrep -i "sleep" | fgrep -i -v fgrep | wc} msg
     list $x [lindex $msg 0]
 } {3 0}
-test exec-12.3 {reaping background processes} \
-	{exec unix nonPortable} {
+test exec-12.3 {reaping background processes} {exec unix nonPortable} {
     exec sleep 1000 &
     exec sleep 1000 &
     set x [exec ps | fgrep "sleep" | fgrep -v fgrep]
@@ -492,7 +490,6 @@ test exec-12.3 {reaping background processes} \
     }
     catch {exec ps | fgrep "sleep" | fgrep -v fgrep | wc} msg
     set x [lindex $msg 0]
-
     foreach i $pids {
 	catch {exec kill -KILL $i}
     }
@@ -513,66 +510,42 @@ test exec-13.3 {setting errorCode variable} {exec} {
     list $x [string tolower $msg] [lindex $errorCode 0] \
 	    [string tolower [lrange $errorCode 2 end]]
 } {1 {couldn't execute "_weird_cmd_": no such file or directory} POSIX {{no such file or directory}}}
-
-test exec-13.4 {extended exit result codes} {
-    -constraints {win}
-    -setup {
-        set tmp [makeFile {exit 0x00000101} tmpfile.exec-13.4]
-    }
-    -body {
-        list [catch {exec [interpreter] $tmp} err]\
-            [lreplace $::errorCode 1 1 {}]
-    }
-    -cleanup {
-        removeFile $tmp
-    }
-    -result {1 {CHILDSTATUS {} 257}}
-}
-
-test exec-13.5 {extended exit result codes: max value} {
-    -constraints {win}
-    -setup {
-        set tmp [makeFile {exit 0x3fffffff} tmpfile.exec-13.5]
-    }
-    -body {
-        list [catch {exec [interpreter] $tmp} err]\
-            [lreplace $::errorCode 1 1 {}]
-    }
-    -cleanup {
-        removeFile $tmp
-    }
-    -result {1 {CHILDSTATUS {} 1073741823}}
-}
-
-test exec-13.6 {extended exit result codes: signalled} {   
-    -constraints {win}
-    -setup {
-        set tmp [makeFile {exit 0xC0000016} tmpfile.exec-13.6]
-    }
-    -body {
-        list [catch {exec [interpreter] $tmp} err]\
-            [lreplace $::errorCode 1 1 {}]
-    }
-    -cleanup {
-        removeFile $tmp
-    }
-    -result {1 {CHILDKILLED {} SIGABRT SIGABRT}}
-}
+test exec-13.4 {extended exit result codes} -setup {
+    set tmp [makeFile {exit 0x00000101} tmpfile.exec-13.4]
+} -constraints {win} -body {
+    list [catch {exec [interpreter] $tmp} err] [lreplace $::errorCode 1 1 {}]
+} -cleanup {
+    removeFile $tmp
+} -result {1 {CHILDSTATUS {} 257}}
+test exec-13.5 {extended exit result codes: max value} -setup {
+    set tmp [makeFile {exit 0x3fffffff} tmpfile.exec-13.5]
+} -constraints {win} -body {
+    list [catch {exec [interpreter] $tmp} err] [lreplace $::errorCode 1 1 {}]
+} -cleanup {
+    removeFile $tmp
+} -result {1 {CHILDSTATUS {} 1073741823}}
+test exec-13.6 {extended exit result codes: signalled} -setup {
+    set tmp [makeFile {exit 0xC0000016} tmpfile.exec-13.6]
+} -constraints {win} -body {
+    list [catch {exec [interpreter] $tmp} err] [lreplace $::errorCode 1 1 {}]
+} -cleanup {
+    removeFile $tmp
+} -result {1 {CHILDKILLED {} SIGABRT SIGABRT}}
 
 # Switches before the first argument
 
 test exec-14.1 {-keepnewline switch} {exec} {
     exec -keepnewline [interpreter] $path(echo) foo
 } "foo\n"
-test exec-14.2 {-keepnewline switch} {exec} {
-    list [catch {exec -keepnewline} msg] $msg
-} {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}
-test exec-14.3 {unknown switch} {exec} {
-    list [catch {exec -gorp} msg] $msg
-} {1 {bad switch "-gorp": must be -ignorestderr, -keepnewline, or --}}
-test exec-14.4 {-- switch} {exec} {
-    list [catch {exec -- -gorp} msg] [string tolower $msg]
-} {1 {couldn't execute "-gorp": no such file or directory}}
+test exec-14.2 {-keepnewline switch} -constraints {exec} -body {
+    exec -keepnewline
+} -returnCodes error -result {wrong # args: should be "exec ?switches? arg ?arg ...?"}
+test exec-14.3 {unknown switch} -constraints {exec} -body {
+    exec -gorp
+} -returnCodes error -result {bad switch "-gorp": must be -ignorestderr, -keepnewline, or --}
+test exec-14.4 {-- switch} -constraints {exec} -body {
+    exec -- -gorp
+} -returnCodes error -result {couldn't execute "-gorp": no such file or directory}
 test exec-14.5 {-ignorestderr switch} {exec} {
     # Alas, the use of -ignorestderr is buried here :-(
     exec [interpreter] $path(sh2) -c [list $path(echo2) foo bar] 2>@1
@@ -587,15 +560,15 @@ test exec-15.1 {standard error redirection} {exec} {
 } {{} {foo bar}}
 test exec-15.2 {standard error redirection} {exec stdio} {
     list [exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" \
-		| [interpreter] "$path(echo)" biz baz >$path(gorp.file) 2> "$path(gorp.file2)"] \
-	    [exec [interpreter] "$path(cat)" "$path(gorp.file)"] \
-	    [exec [interpreter] "$path(cat)" "$path(gorp.file2)"]
+	      | [interpreter] "$path(echo)" biz baz >$path(gorp.file) 2> "$path(gorp.file2)"] \
+	[exec [interpreter] "$path(cat)" "$path(gorp.file)"] \
+	[exec [interpreter] "$path(cat)" "$path(gorp.file2)"]
 } {{} {biz baz} {foo bar}}
 test exec-15.3 {standard error redirection} {exec stdio} {
     list [exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" \
-	        | [interpreter] "$path(echo)" biz baz 2>$path(gorp.file) > "$path(gorp.file2)"] \
-	    [exec [interpreter] "$path(cat)" "$path(gorp.file)"] \
-	    [exec [interpreter] "$path(cat)" "$path(gorp.file2)"]
+	      | [interpreter] "$path(echo)" biz baz 2>$path(gorp.file) > "$path(gorp.file2)"] \
+	[exec [interpreter] "$path(cat)" "$path(gorp.file)"] \
+	[exec [interpreter] "$path(cat)" "$path(gorp.file2)"]
 } {{} {foo bar} {biz baz}}
 test exec-15.4 {standard error redirection} {exec} {
     set f [open "$path(gorp.file)" w]
@@ -604,20 +577,20 @@ test exec-15.4 {standard error redirection} {exec} {
     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" 2>@ $f
     puts $f "Line 3"
     close $f
-    exec [interpreter] "$path(cat)" "$path(gorp.file)"
+    readfile $path(gorp.file)
 } {Line 1
 foo bar
 Line 3}
 test exec-15.5 {standard error redirection} {exec} {
     exec [interpreter] "$path(echo)" "First line" > "$path(gorp.file)"
     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" 2>> "$path(gorp.file)"
-    exec [interpreter] "$path(cat)" "$path(gorp.file)"
+    readfile $path(gorp.file)
 } {First line
 foo bar}
 test exec-15.6 {standard error redirection} {exec stdio} {
     exec [interpreter] "$path(sh)" -c "\"$path(echo)\" foo bar 1>&2" > "$path(gorp.file2)" 2> "$path(gorp.file)" \
 	    >& "$path(gorp.file)" 2> "$path(gorp.file2)" | [interpreter] "$path(echo)" biz baz
-    list [exec [interpreter] "$path(cat)" "$path(gorp.file)"] [exec [interpreter] "$path(cat)" "$path(gorp.file2)"]
+    list [readfile $path(gorp.file)] [readfile $path(gorp.file2)]
 } {{biz baz} {foo bar}}
 test exec-15.7 {standard error redirection 2>@1} {exec stdio} {
     # This redirects stderr output into normal result output from exec
@@ -630,7 +603,7 @@ test exec-16.1 {flush output before exec} {exec} {
     exec [interpreter] $path(echo) "Second line" >@ $f
     puts $f "Third line"
     close $f
-    exec [interpreter] $path(cat) $path(gorp.file)
+    readfile $path(gorp.file)
 } {First line
 Second line
 Third line}
@@ -640,75 +613,66 @@ test exec-16.2 {flush output before exec} {exec} {
     exec [interpreter] << {puts stderr {Second line}} >&@ $f > $path(gorp.file2)
     puts $f "Third line"
     close $f
-    exec [interpreter] $path(cat) $path(gorp.file)
+    readfile $path(gorp.file)
 } {First line
 Second line
 Third line}
 
-set path(script) [makeFile {} script]
-
-test exec-17.1 { inheriting standard I/O } {exec} {
+test exec-17.1 { inheriting standard I/O } -constraints {exec} -setup {
+    set path(script) [makeFile {} script]
     set f [open $path(script) w]
-    puts -nonewline $f {close stdout
-	set f [}
-    puts $f [list open $path(gorp.file) w]]
-    puts $f [list catch \
-	    [list exec [info nameofexecutable] $path(echo) foobar &]]
-    puts $f [list exec [info nameofexecutable] $path(sleep) 2]
-    puts $f {close $f}
+    puts $f [list lassign [list \
+	    [info nameofexecutable] $path(gorp.file) $path(echo) $path(sleep) \
+        ] exe file echo sleep]
+    puts $f {
+	close stdout
+	set f [open $file w]
+	catch {exec $exe $echo foobar &}
+	exec $exe $sleep 2
+	close $f
+    }
     close $f
+} -body {
     catch {exec [interpreter] $path(script)} result
-    set f [open $path(gorp.file) r]
-    lappend result [read $f]
-    close $f
-    set result
-} {{foobar
-}}
+    list $result [readfile $path(gorp.file)]
+} -cleanup {
+    removeFile $path(script)
+} -result {{} foobar}
 
-test exec-18.1 { exec cat deals with weird file names} {exec tempNotWin} {
+test exec-18.1 { exec cat deals with weird file names} -body {
     # This is cross-platform, but the cat isn't predictably correct on
     # Windows.
-    set f "foo\[\{blah"
-    set path(fooblah) [makeFile {} $f]
-    set fout [open $path(fooblah) w]
-    puts $fout "contents"
-    close $fout
-    set res [list [catch {exec cat $path(fooblah)} msg] $msg]
-    removeFile $f
-    set res
-} {0 contents}
+    set path(fooblah) [makeFile {contents} "foo\[\{blah"]
+    exec cat $path(fooblah)
+} -constraints {exec tempNotWin} -cleanup {
+    removeFile $path(fooblah)
+} -result contents
 
 # Note that this test cannot be adapted to work on Windows; that platform has
 # no kernel support for an analog of O_APPEND.
-test exec-19.1 {exec >> uses O_APPEND} {
-    -constraints {exec unix}
-    -setup {
-	set tmpfile [makeFile {0} tmpfile.exec-19.1]
-    }
-    -body {
-	# Note that we have to allow for the current contents of the
-	# temporary file, which is why the result is 14 and not 12
-	exec /bin/sh -c \
+test exec-19.1 {exec >> uses O_APPEND} -constraints {exec unix} -setup {
+    set tmpfile [makeFile {0} tmpfile.exec-19.1]
+} -body {
+    # Note that we have to allow for the current contents of the temporary
+    # file, which is why the result is 14 and not 12
+    exec /bin/sh -c \
 	    {for a in 1 2 3; do sleep 1; echo $a; done} >>$tmpfile &
-	exec /bin/sh -c \
+    exec /bin/sh -c \
 	    {for a in a b c; do sleep 1; echo $a; done} >>$tmpfile &
-	# The above two shell invokations take about 3 seconds to
-	# finish, so allow 5s (in case the machine is busy)
-	after 5000
-	# Check that no bytes have got lost through mixups with
-	# overlapping appends, which is only guaranteed to work when
-	# we set O_APPEND on the file descriptor in the [exec >>...]
-	file size $tmpfile
-    }
-    -cleanup {
-	removeFile $tmpfile
-    }
-    -result 14
-}
+    # The above two shell invokations take about 3 seconds to finish, so allow
+    # 5s (in case the machine is busy)
+    after 5000
+    # Check that no bytes have got lost through mixups with overlapping
+    # appends, which is only guaranteed to work when we set O_APPEND on the
+    # file descriptor in the [exec >>...]
+    file size $tmpfile
+} -cleanup {
+    removeFile $tmpfile
+} -result 14
 
 # cleanup
 
-foreach file {script gorp.file gorp.file2 echo echo2 cat wc sh sh2 sleep exit err} {
+foreach file {gorp.file gorp.file2 echo echo2 cat wc sh sh2 sleep exit err} {
     removeFile $file
 }
 unset -nocomplain path