1 files changed, 16 insertions, 2 deletions
diff --git a/tests/winDde.test b/tests/winDde.test
index ca50a96..bc64a24 100644
--- a/tests/winDde.test
+++ b/tests/winDde.test
@@ -156,6 +156,20 @@ test winDde-3.5 {DDE request locally} {win dde} {
     dde execute TclEval self {set a "foo"}
     dde request -binary TclEval self a
 } "foo\x00"
+# Set variable a to A with diaeresis (unicode C4) by relying on the fact
+# that utf8 is sent (e.g. "c3 84" on the wire)
+test winDde-3.6 {DDE request utf8} {win dde} {
+    set a "not set"
+    dde execute TclEval self "set a \xc4"
+    scan $a %c
+} 196
+# Set variable a to A with diaeresis (unicode C4) using binary execute
+# and compose utf-8 (e.g. "c3 84" ) manualy
+test winDde-3.7 {DDE request binary} {win dde} {
+    set a "not set"
+    dde execute -binary TclEval self "set a \xc3\x84\x00"
+    scan $a %c
+} 196
 
 # -------------------------------------------------------------------------
 
@@ -202,13 +216,13 @@ test winDde-4.4 {DDE eval remotely} {stdio win dde} {
 
 test winDde-5.1 {check for bad arguments} -constraints {win dde} -body {
     dde execute "" "" "" ""
-} -returnCodes error -result {wrong # args: should be "dde execute ?-async? serviceName topicName value"}
+} -returnCodes error -result {wrong # args: should be "dde execute ?-async? ?-binary? serviceName topicName value"}
 test winDde-5.2 {check for bad arguments} -constraints {win dde} -body {
     dde execute "" "" ""
 } -returnCodes error -result {cannot execute null data}
 test winDde-5.3 {check for bad arguments} -constraints {win dde} -body {
     dde execute -foo "" "" ""
-} -returnCodes error -result {wrong # args: should be "dde execute ?-async? serviceName topicName value"}
+} -returnCodes error -result {wrong # args: should be "dde execute ?-async? ?-binary? serviceName topicName value"}
 test winDde-5.4 {DDE eval bad arguments} -constraints {win dde} -body {
     dde eval "" "foo"
 } -returnCodes error -result {invalid service name ""}