From 8e521a94152cd4546be53ea626f09f96f1f102d4 Mon Sep 17 00:00:00 2001
From: fvogel <fvogelnew1@free.fr>
Date: Thu, 7 Jan 2016 14:49:18 +0000
Subject: Added non-regression test for [1927212]

---
 tests/scrollbar.test | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tests/scrollbar.test b/tests/scrollbar.test
index 5d4334f..10aa7d6 100644
--- a/tests/scrollbar.test
+++ b/tests/scrollbar.test
@@ -632,6 +632,21 @@ test scrollbar-9.1 {scrollbar widget vs hidden commands} {
     list [winfo children .] [interp hidden]
 } [list {} $l]
 
+test scrollbar-10.1 {<MouseWheel> event on scrollbar} -constraints win -setup {
+    destroy .t .s
+} -body {
+    pack [text .t -yscrollcommand {.s set}] -side left
+    for {set i 1} {$i < 100} {incr i} {.t insert end "Line $i\n"}
+    pack [scrollbar .s -command {.t yview}] -fill y -expand 1 -side left
+    update
+    focus -force .s
+    event generate .s <MouseWheel> -delta -120
+    after 200 {set eventprocessed 1} ; vwait eventprocessed
+    .t index @0,0
+} -cleanup {
+    destroy .t .s
+} -result {2.0}
+
 catch {destroy .s}
 catch {destroy .t}
 
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