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authordkf <donal.k.fellows@manchester.ac.uk>2004-02-09 14:40:30 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2004-02-09 14:40:30 (GMT)
commit5e1a7db351894f12bed8acd58aa4d95b72548532 (patch)
tree140363945375e380f5a86f7aa28b0f838b83757f /tests
parentddbf41804636015e174c51c243ef250fe5a5d8cb (diff)
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Stop crashes when copying a large photo to itself causes resizing. [Bug 877950]
Diffstat (limited to 'tests')
-rw-r--r--tests/imgPhoto.test10
1 files changed, 9 insertions, 1 deletions
diff --git a/tests/imgPhoto.test b/tests/imgPhoto.test
index e2b4468..72724d3 100644
--- a/tests/imgPhoto.test
+++ b/tests/imgPhoto.test
@@ -9,7 +9,7 @@
#
# Author: Paul Mackerras (paulus@cs.anu.edu.au)
#
-# RCS: @(#) $Id: imgPhoto.test,v 1.15 2002/10/18 00:48:22 hobbs Exp $
+# RCS: @(#) $Id: imgPhoto.test,v 1.15.2.1 2004/02/09 14:40:31 dkf Exp $
package require tcltest 2.1
namespace import -force tcltest::configure
@@ -661,6 +661,14 @@ test imgPhoto-15.1 {photo images can fail to allocate memory gracefully} \
list [catch {image create photo -width 32000 -height 32000} msg] $msg
} {1 {not enough free memory for image buffer}}
+test imgPhoto-16.1 {copying to self doesn't access freed memory} {
+ # Bug 877950 makes this crash when trying to copy out of a deallocated area
+ set photo [image create photo]
+ $i put red -to 0 0 1000 1000
+ $i copy $i -from 0 0 1000 1000 -to 500 0
+ image delete $i
+} {}
+
destroy .c
eval image delete [image names]