Miguel Sofer's patch (with small revisions) to make sure the bytecode engine

checks for async events fairly frequently. [Bug 746722]


FossilOrigin-Name: b8a0c26a583d99e28baeef2a94d4925ec7f69f8e

1 files changed, 68 insertions, 12 deletions

diff --git a/tests/async.test b/tests/async.test
index af63413..863be98 100644
--- a/tests/async.test
+++ b/tests/async.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: async.test,v 1.6 2003/07/24 16:05:24 dgp Exp $
+# RCS: @(#) $Id: async.test,v 1.7 2003/11/16 00:49:20 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -25,6 +25,10 @@ if {[info commands testasync] == {}} {
     return
 }
 
+tcltest::testConstraint threaded [expr {
+    [info exists ::tcl_platform(threaded)] && $::tcl_platform(threaded)
+}]
+
 proc async1 {result code} {
     global aresult acode
     set aresult $result
@@ -146,19 +150,71 @@ test async-3.1 {deleting handlers} {
     list [catch {testasync mark $hm2 "foobar" 5} msg] $msg $x
 } {3 del2 {0 0 0 del1 del2}}
 
+proc nothing {} {
+    # empty proc
+}
+proc hang1 {handle} {
+    global aresult
+    set aresult {Async event not delivered}
+    testasync marklater $handle
+    for {set i 0} {
+	$i < 2500000  &&  $aresult eq "Async event not delivered"
+    } {incr i} {
+	nothing
+    }
+    return $aresult
+}
+proc hang2 {handle} {
+    global aresult
+    set aresult {Async event not delivered}
+    testasync marklater $handle
+    for {set i 0} {
+	$i < 2500000  &&  $aresult eq "Async event not delivered"
+    } {incr i} {}
+    return $aresult
+}
+proc hang3 {handle} [concat {
+    global aresult
+    set aresult {Async event not delivered}
+    testasync marklater $handle
+    set i 0
+} [string repeat {;incr i;} 1500000] {
+    return $aresult
+}]
+
+test async-4.1 {async interrupting bytecode sequence} -constraints {
+    threaded
+} -setup {
+    set hm [testasync create async3]
+} -body {
+    hang1 $hm
+} -result {test pattern} -cleanup {
+    testasync delete $hm
+}
+test async-4.2 {async interrupting straight bytecode sequence} -constraints {
+    threaded
+} -setup {
+    set hm [testasync create async3]
+} -body {
+    hang2 $hm
+} -result {test pattern} -cleanup {
+    testasync delete $hm
+}
+test async-4.3 {async interrupting loop-less bytecode sequence} -constraints {
+    threaded
+} -setup {
+    set hm [testasync create async3]
+} -body {
+    hang3 $hm
+} -result {test pattern} -cleanup {
+    testasync delete $hm
+}
+
 # cleanup
 testasync delete
 ::tcltest::cleanupTests
 return
 
-
-
-
-
-
-
-
-
-
-
-
+# Local Variables:
+# mode: tcl
+# End: