Make tests pass again after fixing [c0dbdd3ff3]: Tk Compatibility Fonts block access to system fontsbug_c0dbdd3ff3

1 files changed, 19 insertions, 4 deletions

diff --git a/tests/spinbox.test b/tests/spinbox.test
index 206a61d..1f2bdac 100644
--- a/tests/spinbox.test
+++ b/tests/spinbox.test
@@ -2607,10 +2607,25 @@ test spinbox-8.18 {DeleteChars procedure} -setup {
     .e insert 0 "xyzzy"
     update
     .e delete 2 4
-    winfo reqwidth .e
-} -cleanup {
-    destroy .e
-} -result {42}
+    # To check that deletion actually happened we measure the new width
+    # of the widget, based on the measuring width of the remaining text ("xyy")
+    # in the widget. For that purpose we have to mirror the code in tkEntry.c
+    # for computation of the reqwidth
+    # note: XPAD corresponds to the hardcoded    #define XPAD 1
+    set XPAD 1
+    set buttonWidth [expr { [font measure [.e cget -font] "0"] + 2 * (1 + $XPAD) }]
+    if {$buttonWidth < 11} {
+        set buttonWidth 11
+    }
+    set expected [expr { [font measure [.e cget -font] "xyy"] \
+                          + 2 * ( [.e cget -borderwidth] + \
+                                [.e cget -highlightthickness] + $XPAD ) \
+                          + $buttonWidth } ]
+    expr {[winfo reqwidth .e] == $expected}
+} -cleanup {
+    destroy .e
+    unset XPAD buttonWidth expected
+} -result {1}
 
 test spinbox-9.1 {SpinboxValueChanged procedure} -setup {
     unset -nocomplain x