From ffbbdcc8529e9184ecf2386cc75cedfa91d6f172 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Tue, 29 Sep 2026 15:00:09 +0100
Subject: [PATCH] Test for 5659 from Alexandre Fiori.

---
 regress/format-time-range.sh | 45 ++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 regress/format-time-range.sh

diff --git a/regress/format-time-range.sh b/regress/format-time-range.sh
new file mode 100644
index 000000000..7a8e059a4
--- /dev/null
+++ b/regress/format-time-range.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# time modifiers with a value outside the range the system can convert
+
+PATH=/bin:/usr/bin
+TERM=screen
+TZ=UTC
+export TZ
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
+$TMUX kill-server 2>/dev/null
+
+TMP=$(mktemp)
+trap "rm -f $TMP; $TMUX kill-server 2>/dev/null" 0 1 15
+
+$TMUX new -d
+$TMUX set -g @ok 1700000000
+$TMUX set -g @huge 3093527980800
+$TMUX set -g @bad 9223372036854775807
+
+# A convertible time still formats, so an empty result below means the value
+# was rejected and not that the modifier stopped working.
+$TMUX display -p '[#{t:@ok}]' >$TMP
+(echo "[Tue Nov 14 22:13:20 2023]"|cmp -s - $TMP) || exit 1
+$TMUX display -p '[#{t/f/zz:@ok}]' >$TMP
+(echo "[zz]"|cmp -s - $TMP) || exit 1
+$TMUX display -p '[#{t/p:@ok}]' >$TMP
+(echo "[Nov23]"|cmp -s - $TMP) || exit 1
+
+# A year with more digits than ctime has room for must not be printed cut
+# short, but other modifiers can still format it.
+$TMUX display -p '[#{t:@huge}]' >$TMP
+grep -Eqx '\[\]|\[Sat Jan  1 00:00:00 100000\]' $TMP || exit 1
+$TMUX display -p '[#{t/f/zz:@huge}]' >$TMP
+(echo "[zz]"|cmp -s - $TMP) || exit 1
+
+$TMUX display -p '[#{t:@bad}]' >$TMP
+(echo "[]"|cmp -s - $TMP) || exit 1
+$TMUX display -p '[#{t/p:@bad}]' >$TMP
+(echo "[]"|cmp -s - $TMP) || exit 1
+$TMUX display -p '[#{t/f/zz:@bad}]' >$TMP
+(echo "[]"|cmp -s - $TMP) || exit 1
+
+exit 0