Index: head/contrib/netbsd-tests/usr.bin/grep/t_grep.sh
===================================================================
--- head/contrib/netbsd-tests/usr.bin/grep/t_grep.sh	(revision 317298)
+++ head/contrib/netbsd-tests/usr.bin/grep/t_grep.sh	(revision 317299)
@@ -1,411 +1,474 @@
 # $NetBSD: t_grep.sh,v 1.3 2017/01/14 20:43:52 christos Exp $
 #
 # Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 #
 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
 #
 
 atf_test_case basic
 basic_head()
 {
 	atf_set "descr" "Checks basic functionality"
 }
 basic_body()
 { 
 	atf_check -o file:"$(atf_get_srcdir)/d_basic.out" -x \
 	    'jot 10000 | grep 123'
 }
 
 atf_test_case binary
 binary_head()
 {
 	atf_set "descr" "Checks handling of binary files"
 }
 binary_body()
 {
 	dd if=/dev/zero count=1 of=test.file
 	echo -n "foobar" >> test.file
 	atf_check -o file:"$(atf_get_srcdir)/d_binary.out" grep foobar test.file
 }
 
 atf_test_case recurse
 recurse_head()
 {
 	atf_set "descr" "Checks recursive searching"
 }
 recurse_body()
 {
 	mkdir -p recurse/a/f recurse/d
 	echo -e "cod\ndover sole\nhaddock\nhalibut\npilchard" > recurse/d/fish
 	echo -e "cod\nhaddock\nplaice" > recurse/a/f/favourite-fish
 
 	atf_check -o file:"$(atf_get_srcdir)/d_recurse.out" -x "grep -r haddock recurse | sort"
 }
 
 atf_test_case recurse_symlink
 recurse_symlink_head()
 {
 	atf_set "descr" "Checks symbolic link recursion"
 }
 recurse_symlink_body()
 {
 	# Begin FreeBSD
 	grep_type
 	if [ $? -eq $GREP_TYPE_GNU ]; then
 		atf_expect_fail "this test doesn't pass with gnu grep from ports"
 	fi
 	# End FreeBSD
 	mkdir -p test/c/d
 	(cd test/c/d && ln -s ../d .)
 	echo "Test string" > test/c/match
 
 	atf_check -o file:"$(atf_get_srcdir)/d_recurse_symlink.out" \
 	    -e file:"$(atf_get_srcdir)/d_recurse_symlink.err" \
 	    grep -r string test
 }
 
 atf_test_case word_regexps
 word_regexps_head()
 {
 	atf_set "descr" "Checks word-regexps"
 }
 word_regexps_body()
 {
 	atf_check -o file:"$(atf_get_srcdir)/d_word_regexps.out" \
 	    grep -w separated $(atf_get_srcdir)/d_input
 }
 
 atf_test_case begin_end
 begin_end_head()
 {
 	atf_set "descr" "Checks handling of line beginnings and ends"
 }
 begin_end_body()
 {
 	atf_check -o file:"$(atf_get_srcdir)/d_begin_end_a.out" \
 	    grep ^Front "$(atf_get_srcdir)/d_input"
 
 	atf_check -o file:"$(atf_get_srcdir)/d_begin_end_b.out" \
 	    grep ending$ "$(atf_get_srcdir)/d_input"
 }
 
 atf_test_case ignore_case
 ignore_case_head()
 {
 	atf_set "descr" "Checks ignore-case option"
 }
 ignore_case_body()
 {
 	atf_check -o file:"$(atf_get_srcdir)/d_ignore_case.out" \
 	    grep -i Upper "$(atf_get_srcdir)/d_input"
 }
 
 atf_test_case invert
 invert_head()
 {
 	atf_set "descr" "Checks selecting non-matching lines with -v option"
 }
 invert_body()
 {
 	atf_check -o file:"$(atf_get_srcdir)/d_invert.out" \
 	    grep -v fish "$(atf_get_srcdir)/d_invert.in"
 }
 
 atf_test_case whole_line
 whole_line_head()
 {
 	atf_set "descr" "Checks whole-line matching with -x flag"
 }
 whole_line_body()
 {
 	atf_check -o file:"$(atf_get_srcdir)/d_whole_line.out" \
 	    grep -x matchme "$(atf_get_srcdir)/d_input"
 }
 
 atf_test_case negative
 negative_head()
 {
 	atf_set "descr" "Checks handling of files with no matches"
 }
 negative_body()
 {
 	atf_check -s ne:0 grep "not a hope in hell" "$(atf_get_srcdir)/d_input"
 }
 
 atf_test_case context
 context_head()
 {
 	atf_set "descr" "Checks displaying context with -A, -B and -C flags"
 }
 context_body()
 {
 	cp $(atf_get_srcdir)/d_context_*.* .
 
 	atf_check -o file:d_context_a.out grep -C2 bamboo d_context_a.in
 	atf_check -o file:d_context_b.out grep -A3 tilt d_context_a.in
 	atf_check -o file:d_context_c.out grep -B4 Whig d_context_a.in
 	atf_check -o file:d_context_d.out grep -C1 pig d_context_a.in d_context_b.in
 }
 
 atf_test_case file_exp
 file_exp_head()
 {
 	atf_set "descr" "Checks reading expressions from file"
 }
 file_exp_body()
 {
 	atf_check -o file:"$(atf_get_srcdir)/d_file_exp.out" -x \
 	    'jot 21 -1 1.00 | grep -f '"$(atf_get_srcdir)"'/d_file_exp.in'
 }
 
 atf_test_case egrep
 egrep_head()
 {
 	atf_set "descr" "Checks matching special characters with egrep"
 }
 egrep_body()
 {
 	atf_check -o file:"$(atf_get_srcdir)/d_egrep.out" \
 		egrep '\?|\*$$' "$(atf_get_srcdir)/d_input"
 }
 
 atf_test_case zgrep
 zgrep_head()
 {
 	atf_set "descr" "Checks handling of gzipped files with zgrep"
 }
 zgrep_body()
 {
 	cp "$(atf_get_srcdir)/d_input" .
 	gzip d_input || atf_fail "gzip failed"
 
 	atf_check -o file:"$(atf_get_srcdir)/d_zgrep.out" zgrep -h line d_input.gz
 }
 
 atf_test_case nonexistent
 nonexistent_head()
 {
 	atf_set "descr" "Checks that -s flag suppresses error" \
 	                "messages about nonexistent files"
 }
 nonexistent_body()
 {
 	atf_check -s ne:0 grep -s foobar nonexistent
 }
 
 atf_test_case context2
 context2_head()
 {
 	atf_set "descr" "Checks displaying context with -z flag"
 }
 context2_body()
 {
 	printf "haddock\000cod\000plaice\000" > test1
 	printf "mackeral\000cod\000crab\000" > test2
 
 	atf_check -o file:"$(atf_get_srcdir)/d_context2_a.out" \
 	    grep -z -A1 cod test1 test2
 
 	atf_check -o file:"$(atf_get_srcdir)/d_context2_b.out" \
 	    grep -z -B1 cod test1 test2
 
 	atf_check -o file:"$(atf_get_srcdir)/d_context2_c.out" \
 	    grep -z -C1 cod test1 test2
 }
 # Begin FreeBSD
 
 # What grep(1) are we working with?
 # - 0 : bsdgrep
 # - 1 : gnu grep 2.51 (base)
 # - 2 : gnu grep (ports)
 GREP_TYPE_BSD=0
 GREP_TYPE_GNU_FREEBSD=1
 GREP_TYPE_GNU=2
 GREP_TYPE_UNKNOWN=3
 
 grep_type()
 {
 	local grep_version=$(grep --version)
 
 	case "$grep_version" in
 	*"BSD grep"*)
 		return $GREP_TYPE_BSD
 		;;
 	*"GNU grep"*)
 		case "$grep_version" in
 		*2.5.1-FreeBSD*)
 			return $GREP_TYPE_GNU_FREEBSD
 			;;
 		*)
 			return $GREP_TYPE_GNU
 			;;
 		esac
 		;;
 	esac
 	atf_fail "unknown grep type: $grep_version"
 }
 
 atf_test_case oflag_zerolen
 oflag_zerolen_head()
 {
 	atf_set "descr" "Check behavior of zero-length matches with -o flag (PR 195763)"
 }
 oflag_zerolen_body()
 {
 	grep_type
 	if [ $? -eq $GREP_TYPE_GNU_FREEBSD ]; then
 		atf_expect_fail "this test doesn't pass with gnu grep in base"
 	fi
 
 	atf_check -o file:"$(atf_get_srcdir)/d_oflag_zerolen_a.out" \
 	    grep -Eo '(^|:)0*' "$(atf_get_srcdir)/d_oflag_zerolen_a.in"
 
 	atf_check -o file:"$(atf_get_srcdir)/d_oflag_zerolen_b.out" \
 	    grep -Eo '(^|:)0*' "$(atf_get_srcdir)/d_oflag_zerolen_b.in"
 
 	atf_check -o file:"$(atf_get_srcdir)/d_oflag_zerolen_c.out" \
 	    grep -Eo '[[:alnum:]]*' "$(atf_get_srcdir)/d_oflag_zerolen_c.in"
 
 	atf_check -o empty grep -Eo '' "$(atf_get_srcdir)/d_oflag_zerolen_d.in"
 
 	atf_check -o file:"$(atf_get_srcdir)/d_oflag_zerolen_e.out" \
 	    grep -o -e 'ab' -e 'bc' "$(atf_get_srcdir)/d_oflag_zerolen_e.in"
 
 	atf_check -o file:"$(atf_get_srcdir)/d_oflag_zerolen_e.out" \
 	    grep -o -e 'bc' -e 'ab' "$(atf_get_srcdir)/d_oflag_zerolen_e.in"
 }
 
 atf_test_case xflag
 xflag_head()
 {
 	atf_set "descr" "Check that we actually get a match with -x flag (PR 180990)"
 }
 xflag_body()
 {
 	echo 128 > match_file
 	seq 1 128 > pattern_file
 	grep -xf pattern_file match_file
 }
 
 atf_test_case color
 color_head()
 {
 	atf_set "descr" "Check --color support"
 }
 color_body()
 {
 	grep_type
 	if [ $? -eq $GREP_TYPE_GNU_FREEBSD ]; then
 		atf_expect_fail "this test doesn't pass with gnu grep in base"
 	fi
 
 	echo 'abcd*' > grepfile
 	echo 'abc$' >> grepfile
 	echo '^abc' >> grepfile
 
 	atf_check -o file:"$(atf_get_srcdir)/d_color_a.out" \
 	    grep --color=auto -e '.*' -e 'a' "$(atf_get_srcdir)/d_color_a.in"
 
 	atf_check -o file:"$(atf_get_srcdir)/d_color_b.out" \
 	    grep --color=auto -f grepfile "$(atf_get_srcdir)/d_color_b.in"
 
 	atf_check -o file:"$(atf_get_srcdir)/d_color_c.out" \
 	    grep --color=always -f grepfile "$(atf_get_srcdir)/d_color_b.in"
 }
 
 atf_test_case f_file_empty
 f_file_empty_head()
 {
 	atf_set "descr" "Check for handling of a null byte in empty file, specified by -f (PR 202022)"
 }
 f_file_empty_body()
 {
 	printf "\0\n" > nulpat
 
 	atf_check -s exit:1 grep -f nulpat "$(atf_get_srcdir)/d_f_file_empty.in"
 }
 
 atf_test_case escmap
 escmap_head()
 {
 	atf_set "descr" "Check proper handling of escaped vs. unescaped dot expressions (PR 175314)"
 }
 escmap_body()
 {
 	atf_check -s exit:1 grep -o 'f.o\.' "$(atf_get_srcdir)/d_escmap.in"
 	atf_check -o not-empty grep -o 'f.o.' "$(atf_get_srcdir)/d_escmap.in"
 }
 
 atf_test_case egrep_empty_invalid
 egrep_empty_invalid_head()
 {
 	atf_set "descr" "Check for handling of an invalid empty pattern (PR 194823)"
 }
 egrep_empty_invalid_body()
 {
 	atf_check -s exit:1 egrep '{' /dev/null
 }
 
 atf_test_case zerolen
 zerolen_head()
 {
 	atf_set "descr" "Check for successful zero-length matches with ^$"
 }
 zerolen_body()
 {
 	printf "Eggs\n\nCheese" > test1
 
 	atf_check -o inline:"\n" grep -e "^$" test1
 
 	atf_check -o inline:"Eggs\nCheese\n" grep -v -e "^$" test1
 }
+
+atf_test_case fgrep_sanity
+fgrep_sanity_head()
+{
+	atf_set "descr" "Check for fgrep sanity, literal expressions only"
+}
+fgrep_sanity_body()
+{
+	printf "Foo" > test1
+
+	atf_check -o inline:"Foo\n" fgrep -e "Foo" test1
+
+	atf_check -s exit:1 -o empty fgrep -e "Fo." test1
+}
+
+atf_test_case egrep_sanity
+egrep_sanity_head()
+{
+	atf_set "descr" "Check for egrep sanity, EREs only"
+}
+egrep_sanity_body()
+{
+	printf "Foobar(ed)" > test1
+	printf "M{1}" > test2
+
+	atf_check -o inline:"Foo\n" egrep -o -e "F.." test1
+
+	atf_check -o inline:"Foobar\n" egrep -o -e "F[a-z]*" test1
+
+	atf_check -o inline:"Fo\n" egrep -o -e "F(o|p)" test1
+
+	atf_check -o inline:"(ed)\n" egrep -o -e "\(ed\)" test1
+
+	atf_check -o inline:"M\n" egrep -o -e "M{1}" test2
+
+	atf_check -o inline:"M{1}\n" egrep -o -e "M\{1\}" test2
+}
+
+atf_test_case grep_sanity
+grep_sanity_head()
+{
+	atf_set "descr" "Check for basic grep sanity, BREs only"
+}
+grep_sanity_body()
+{
+	printf "Foobar(ed)" > test1
+	printf "M{1}" > test2
+
+	atf_check -o inline:"Foo\n" grep -o -e "F.." test1
+
+	atf_check -o inline:"Foobar\n" grep -o -e "F[a-z]*" test1
+
+	atf_check -o inline:"Fo\n" grep -o -e "F\(o\)" test1
+
+	atf_check -o inline:"(ed)\n" grep -o -e "(ed)" test1
+
+	atf_check -o inline:"M{1}\n" grep -o -e "M{1}" test2
+
+	atf_check -o inline:"M\n" grep -o -e "M\{1\}" test2
+}
 # End FreeBSD
 
 atf_init_test_cases()
 {
 	atf_add_test_case basic
 	atf_add_test_case binary
 	atf_add_test_case recurse
 	atf_add_test_case recurse_symlink
 	atf_add_test_case word_regexps
 	atf_add_test_case begin_end
 	atf_add_test_case ignore_case
 	atf_add_test_case invert
 	atf_add_test_case whole_line
 	atf_add_test_case negative
 	atf_add_test_case context
 	atf_add_test_case file_exp
 	atf_add_test_case egrep
 	atf_add_test_case zgrep
 	atf_add_test_case nonexistent
 	atf_add_test_case context2
 # Begin FreeBSD
 	atf_add_test_case oflag_zerolen
 	atf_add_test_case xflag
 	atf_add_test_case color
 	atf_add_test_case f_file_empty
 	atf_add_test_case escmap
 	atf_add_test_case egrep_empty_invalid
 	atf_add_test_case zerolen
+	atf_add_test_case fgrep_sanity
+	atf_add_test_case egrep_sanity
+	atf_add_test_case grep_sanity
 # End FreeBSD
 }