* tests/error.test (error-15.8.*): Coverage tests illustrating

        flaws in the propagation of return options by [try].

2 files changed, 23 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index d844a9c..f2071d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-09-27  Don Porter  <dgp@users.sourceforge.net>
+
+	* tests/error.test (error-15.8.*):	Coverage tests illustrating
+	flaws in the propagation of return options by [try].
+
 2009-09-26  Donal K. Fellows  <dkf@users.sf.net>
 
 	* unix/tclooConfig.sh, win/tclooConfig.sh: [Bug 2026844]: Added dummy
diff --git a/tests/error.test b/tests/error.test
index 4eb765e..334ba29 100644
--- a/tests/error.test
+++ b/tests/error.test
@@ -11,7 +11,7 @@
 # See the file "license.terms" for information on usage and redistribution of
 # this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: error.test,v 1.19 2009/03/09 09:12:39 dkf Exp $
+# RCS: @(#) $Id: error.test,v 1.20 2009/09/28 03:22:04 dgp Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest 2
@@ -491,6 +491,23 @@ test error-15.7 {try with no matching handler (unknown integer result propagates
     try { return -level 0 -code 123456 } trap {} {} { list a b c }
 } -returnCodes 123456 -result {}
 
+foreach level {0 1 2} {
+    foreach code {0 1 2 3 4 5} {
+
+	# Following cases have different -errorinfo; avoid false alarms
+	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 $script} m2 o2
+    expr {$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} {