v3.1.0: warn on shrink, but let a live round finish

1 files changed, 4 insertions, 0 deletions

diff --git a/docs/TESTING.md b/docs/TESTING.md
index 7ec5b60..0c931d8 100644
--- a/docs/TESTING.md
+++ b/docs/TESTING.md
@@ -96,6 +96,10 @@ Use an 80-column terminal because several output lines are width-sensitive.
    switching to the alternate screen or raw mode.
 2. At 80x24 every game board (slots 10 lines, roulette 12, blackjack 6, crash 6)
    must fit without wrapping.
+3. While running, shrink the terminal below 80x24: a `WARNING:` line appears in
+   the transcript, or under the board when a game is open.
+4. Shrink during a live blackjack hand or a running crash round: nothing
+   interrupts the round. The warning appears once the round settles.
 
 ## Manual blackjack checklist