On macOS, squelch more availability warnings. Fix a hard to find bug [40ada90762] which could sometimes cause a segfault.

1 files changed, 6 insertions, 1 deletions

diff --git a/tests/frame.test b/tests/frame.test
index 45a91b3..e374326 100644
--- a/tests/frame.test
+++ b/tests/frame.test
@@ -664,11 +664,16 @@ test frame-3.9 {TkCreateFrame procedure, -use option} -constraints {
     wm geometry .t +0+0
     toplevel .x -width 140 -height 300 -use [winfo id .t] -bg green
     tkwait visibility .x
-    update idletasks
     list [expr {[winfo rootx .x] - [winfo rootx .t]}] \
 	    [expr {[winfo rooty .x] - [winfo rooty .t]}] \
 	    [winfo width .t] [winfo height .t]
 } -cleanup {
+# This call to update idletasks was added to prevent a crash that was
+# observed on OSX 10.12 (Sierra) only.  Any change, such as using the
+# Development version to make debugging symbols available, adding a print
+# statement, or calling update idletasks here, would make the test pass
+# with no segfault.
+    update idletasks
     deleteWindows
 } -result {0 0 140 300}
 test frame-3.10 {TkCreateFrame procedure, -use option} -constraints {