Fixed Tcl_DeleteEvents not to get a pointer smash when deleting the

last event in the queue. Added test code in 'tcltest' and a new file
of test cases 'notify.test' to exercise this functionality; several of
the new test cases fail for the original code and pass for the
corrected code.


FossilOrigin-Name: 035d1a2446045166cf166f770c8176a84785ec58

1 files changed, 326 insertions, 0 deletions

diff --git a/tests/notify.test b/tests/notify.test
new file mode 100755
index 0000000..dcf4e09
--- /dev/null
+++ b/tests/notify.test
@@ -0,0 +1,326 @@
+#  -*- tcl -*-

+#

+# notify.test --

+#

+# This file tests several functions in the file, 'generic/tclNotify.c'.

+#

+# 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) 2003 by Kevin B. Kenny.  All rights reserved.

+#

+# See the file "license.terms" for information on usage and redistribution

+# of this file, and for a DISCLAIMER OF ALL WARRANTIES.

+#

+# RCS: @(#) $Id: notify.test,v 1.1 2003/02/15 20:24:11 kennykb Exp $

+

+if {[lsearch [namespace children] ::tcltest] == -1} {

+    package require tcltest

+    namespace import -force ::tcltest::*

+}

+

+testConstraint testevent [llength [info commands testevent]]

+

+test notify-1.1 {Tcl_QueueEvent and delivery of a single event} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result {one}

+

+test notify-1.2 {Tcl_QueueEvent and delivery of events in order} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	testevent queue two tail {lappend delivered two; expr 1}

+	testevent queue three tail {lappend delivered three; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result {one two three}

+

+test notify-1.3 {Tcl_QueueEvent at head} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one head {lappend delivered one; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result one

+

+test notify-1.4 {Tcl_QueueEvent multiple events at head} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one head {lappend delivered one; expr 1}

+	testevent queue two head {lappend delivered two; expr 1}

+	testevent queue three head {lappend delivered three; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result {three two one}

+

+test notify-1.5 {Tcl_QueueEvent marker event into an empty queue} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result one

+

+test notify-1.6 {Tcl_QueueEvent first marker event in a nonempty queue} \

+    -constraints {testevent}  \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	testevent queue two mark {lappend delivered two; expr 1}

+	testevent queue three head {lappend delivered three; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result {three two one}

+

+test notify-1.7 {Tcl_QueueEvent second marker event} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent queue two mark {lappend delivered two; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result {one two}

+

+test notify-1.8 {Tcl_QueueEvent preexisting event following second marker} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent queue two tail {lappend delivered two; expr 1}

+	testevent queue three mark {lappend delivered three; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result {one three two}

+

+test notify-2.1 {remove sole element, don't replace } \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	testevent delete one

+	vwait done

+	set delivered

+    } \

+    -result {}

+

+test notify-2.2 {remove and replace sole element} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	testevent delete one

+	testevent queue two tail {lappend delivered two; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result two

+

+test notify-2.3 {remove first element} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	testevent queue two tail {lappend delivered two; expr 1}

+	testevent delete one

+	vwait done

+	set delivered

+    } \

+    -result {two}

+

+test notify-2.4 {remove and replace first element} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	testevent queue two tail {lappend delivered two; expr 1}

+	testevent delete one

+	testevent queue three head {lappend delivered three; expr 1};

+	vwait done

+	set delivered

+    } \

+    -result {three two}

+

+test notify-2.5 {remove last element} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	testevent queue two tail {lappend delivered two; expr 1}

+	testevent delete two

+	vwait done

+	set delivered

+    } \

+    -result {one}

+

+

+test notify-2.6 {remove and replace last element} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	testevent queue two tail {lappend delivered two; expr 1}

+	testevent delete two

+	testevent queue three tail {lappend delivered three; expr 1};

+	vwait done

+	set delivered

+    } \

+    -result {one three}

+

+test notify-2.7 {remove a middle element} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one tail {lappend delivered one; expr 1}

+	testevent queue two tail {lappend delivered two; expr 1}

+	testevent queue three tail {lappend delivered three; expr 1}

+	testevent delete two

+	vwait done

+	set delivered

+    } \

+    -result {one three}

+

+test notify-2.8 {remove a marker event that's the sole event in the queue} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent delete one

+	vwait done

+	set delivered

+    } \

+    -result {}

+

+test notify-2.9 {remove and replace a marker event that's the sole event} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent delete one

+	testevent queue two mark {lappend delivered two; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result two

+

+test notify-2.10 {remove marker event from head} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent queue two mark {lappend delivered two; expr 1}

+	testevent delete one

+	vwait done

+	set delivered

+    } \

+    -result two

+

+test notify-2.11 {remove and replace marker event at head} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent queue two tail {lappend delivered two; expr 1}

+	testevent delete one

+	testevent queue three mark {lappend delivered three; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result {three two}

+

+test notify-2.12 {remove marker event at tail} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent queue two mark {lappend delivered two; expr 1}

+	testevent delete two

+	vwait done

+	set delivered

+    } \

+    -result {one}

+

+test notify-2.13 {remove and replace marker event at tail} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent queue two mark {lappend delivered two; expr 1}

+	testevent delete two

+	testevent queue three mark {lappend delivered three; expr 1}

+	vwait done

+	set delivered

+    } \

+    -result {one three}

+

+test notify-2.14 {remove marker event from middle} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent queue two mark {lappend delivered two; expr 1}

+	testevent queue three mark {lappend delivered three; expr 1}

+	testevent delete two

+	vwait done

+	set delivered

+    } \

+    -result {one three}

+

+test notify-2.15 {remove and replace marker event at middle} \

+    -constraints {testevent} \

+    -body {

+	set delivered {}

+	after 10 set done 1

+	testevent queue one mark {lappend delivered one; expr 1}

+	testevent queue two mark {lappend delivered two; expr 1}

+	testevent queue three tail {lappend delivered three; expr 1}

+	testevent delete two

+	testevent queue four mark {lappend delivered four; expr 1};

+	vwait done

+	set delivered

+    } \

+    -result {one four three}

+

+# cleanup

+::tcltest::cleanupTests

+return