grep: add testcase to test color when matches is greater than MAX_MAT…

…CHES

contrib/netbsd-tests/usr.bin/grep/d_color_d.out

@@ -0,0 +1 @@
+foobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobarfoobar

contrib/netbsd-tests/usr.bin/grep/t_grep.sh

@@ -426,6 +426,12 @@ 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

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