From 6e57401610c98232ec5cfc791107c40a0dcc5720 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Wed, 14 Jun 2017 08:37:58 +0100
Subject: [PATCH] New test.

---
 regress/has-session-return.sh | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 regress/has-session-return.sh

diff --git a/regress/has-session-return.sh b/regress/has-session-return.sh
new file mode 100644
index 00000000..5cc30f05
--- /dev/null
+++ b/regress/has-session-return.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# 971
+# has-session should return 1 on error
+
+PATH=/bin:/usr/bin
+TERM=screen
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -Ltest"
+$TMUX kill-server 2>/dev/null
+
+$TMUX -f/dev/null has -tfoo </dev/null 2>/dev/null && exit 1
+$TMUX -f/dev/null start\; has -tfoo </dev/null 2>/dev/null && exit 1
+$TMUX -f/dev/null new -d\; has -tfoo </dev/null 2>/dev/null && exit 1
+$TMUX -f/dev/null new -dsfoo\; has -tfoo </dev/null 2>/dev/null || exit 1
+$TMUX kill-server 2>/dev/null
+
+exit 0