From 0a5535d1c5209e73c6b2f3fd6118f9ffcb7e296e Mon Sep 17 00:00:00 2001
From: Viacheslav Chimishuk <vchimishuk@yandex.ru>
Date: Mon, 7 Oct 2024 01:18:17 +0300
Subject: [PATCH] grep: add testcase to test color when matches is greater than
 MAX_MATCHES

Reviewed by: imp, kevans
Pull Request: https://github.com/freebsd/freebsd-src/pull/1442
---
 contrib/netbsd-tests/usr.bin/grep/d_color_d.out | 1 +
 contrib/netbsd-tests/usr.bin/grep/t_grep.sh     | 6 ++++++
 usr.bin/grep/tests/Makefile                     | 1 +
 3 files changed, 8 insertions(+)
 create mode 100644 contrib/netbsd-tests/usr.bin/grep/d_color_d.out

diff --git a/contrib/netbsd-tests/usr.bin/grep/d_color_d.out b/contrib/netbsd-tests/usr.bin/grep/d_color_d.out
new file mode 100644
index 000000000000..a9ce473965ea
--- /dev/null
+++ b/contrib/netbsd-tests/usr.bin/grep/d_color_d.out
@@ -0,0 +1 @@
+foobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobar
diff --git a/contrib/netbsd-tests/usr.bin/grep/t_grep.sh b/contrib/netbsd-tests/usr.bin/grep/t_grep.sh
index c4ba9a9657db..9f92160bc372 100755
--- a/contrib/netbsd-tests/usr.bin/grep/t_grep.sh
+++ b/contrib/netbsd-tests/usr.bin/grep/t_grep.sh
@@ -422,6 +422,12 @@ color_body()
 
 	atf_check -o file:"$(atf_get_srcdir)/d_color_c.out" \
 	    grep --color=always -f grepfile "$(atf_get_srcdir)/d_color_b.in"
+	# Begin FreeBSD
+	MAX_MATCHES=32
+	for _ in $(seq $((MAX_MATCHES + 1))); do printf "foobar"; done > grepfile
+	atf_check -o file:"$(atf_get_srcdir)/d_color_d.out" \
+	    grep --color=always foo grepfile
+	# End FreeBSD
 }
 
 atf_test_case f_file_empty
diff --git a/usr.bin/grep/tests/Makefile b/usr.bin/grep/tests/Makefile
index b3c79657e53c..1db5ebea5c62 100644
--- a/usr.bin/grep/tests/Makefile
+++ b/usr.bin/grep/tests/Makefile
@@ -12,6 +12,7 @@ ${PACKAGE}FILES+=		d_color_a.out
 ${PACKAGE}FILES+=		d_color_b.in
 ${PACKAGE}FILES+=		d_color_b.out
 ${PACKAGE}FILES+=		d_color_c.out
+${PACKAGE}FILES+=		d_color_d.out
 ${PACKAGE}FILES+=		d_context2_a.out
 ${PACKAGE}FILES+=		d_context2_b.out
 ${PACKAGE}FILES+=		d_context2_c.out