Add more tests, some initially failing.

Add more tests, some initially failing.
* tests/fmbtest.sh: New file of tests for "grep -i" with multi-byte
  chars, by Jakub Jelinek, from patch #3808: Red Hat's "tests" patch.
  Initially, test #4 fails (in all three modes).
* tests/Makefile.am: Include the new tests file "fmbtest.sh".

3 files changed, 128 insertions, 1 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index f2caf4d9..989ecf82 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -3,7 +3,8 @@
 AWK=@AWK@
 
 TESTS = warning.sh khadafy.sh spencer1.sh bre.sh ere.sh \
-        status.sh empty.sh options.sh backref.sh file.sh foad1.sh
+        status.sh empty.sh options.sh backref.sh file.sh foad1.sh \
+        fmbtest.sh
 EXTRA_DIST = $(TESTS) \
              khadafy.lines khadafy.regexp \
              spencer1.awk spencer1.tests \
diff --git a/tests/fmbtest.sh b/tests/fmbtest.sh
new file mode 100755
index 00000000..7fd5ca14
--- /dev/null
+++ b/tests/fmbtest.sh
@@ -0,0 +1,111 @@
+#!/bin/sh
+
+: ${srcdir=.}
+
+# If cs_CZ.UTF-8 locale doesn't work, skip this test silently
+LC_ALL=cs_CZ.UTF-8 locale -k LC_CTYPE 2>/dev/null | ${GREP} -q charmap.*UTF-8 \
+  || exit 77
+
+failures=0
+
+cat > csinput <<EOF
+01 Žluťoučká číše
+ČíŠE 02
+03 Z číší Čiší cosi
+04 Čí
+Še 05
+06 ČČČČČČČíšČÍŠčíš
+07 ČČČ ČČČČíšČÍŠčíšEEEE
+čAs 08
+09Čapka
+10ČaSy se měnÍ
+ČÍšE11
+Čas12
+𝇕ČÍšE𝇓13
+ŽČÍšE𝇓14
+𝇕ČÍšEŽ15
+ŽČÍšEŽ16
+ČÍšE𝇓17
+ČÍšEŽ18
+19𝇕ČÍše
+20ŽČÍše
+EOF
+cat > cspatfile <<EOF
+ČÍšE
+Čas
+EOF
+
+for mode in F G E; do
+
+test1="$(echo `LC_ALL=cs_CZ.UTF-8 ${GREP} -${mode} -f cspatfile csinput \
+	       | LC_ALL=C sed 's/^.*\([0-9][0-9]\).*$/\1/'`)"
+if test "$test1" != "11 12 13 14 15 16 17 18"; then
+  echo "Test #1 ${mode} failed: $test1"
+  failures=1
+fi
+
+test2="$(echo `LC_ALL=cs_CZ.UTF-8 ${GREP} -${mode}i -f cspatfile csinput \
+	       | LC_ALL=C sed 's/^.*\([0-9][0-9]\).*$/\1/'`)"
+if test "$test2" != "01 02 07 08 10 11 12 13 14 15 16 17 18 19 20"; then
+  echo "Test #2 ${mode} failed: $test2"
+  failures=1
+fi
+
+test3="$(echo `LC_ALL=cs_CZ.UTF-8 ${GREP} -${mode}i -e 'ČÍšE' -e 'Čas' csinput \
+	       | LC_ALL=C sed 's/^.*\([0-9][0-9]\).*$/\1/'`)"
+if test "$test3" != "01 02 07 08 10 11 12 13 14 15 16 17 18 19 20"; then
+  echo "Test #3 ${mode} failed: $test3"
+  failures=1
+fi
+
+test4="$(echo `LC_ALL=cs_CZ.UTF-8 ${GREP} -${mode}iw -f cspatfile csinput \
+	       | LC_ALL=C sed 's/^.*\([0-9][0-9]\).*$/\1/'`)"
+if test "$test4" != "01 02 08 13 17 19"; then
+  echo "Test #4 ${mode} failed: $test4"
+  failures=1
+fi
+
+done
+
+# Test that -F --color=always prefers longer matches.
+test5="`echo 'Cosi tu ČišÍ...' \
+	| LC_ALL=cs_CZ.UTF-8 ${GREP} --color=always -Fi -e 'čiš' -e 'čiší'`"
+if echo "$test5" | LC_ALL=C ${GREP} -q 'Cosi tu .*\[.*mČišÍ.*\[.*m\(.\[K\)\?\.\.\.'; then
+  :
+else
+  echo "Test #5 F failed: $test5"
+  failures=1
+fi
+
+for mode in G E; do
+
+# Test that -{G,E} --color=always prefers earlier pattern matches.
+test6="`echo 'Cosi tu ČišÍ...' \
+	| LC_ALL=cs_CZ.UTF-8 ${GREP} --color=always -${mode}i -e 'čiš' -e 'čiší'`"
+if echo "$test6" | LC_ALL=C ${GREP} -q 'Cosi tu .*\[.*mČiš.*\[.*m\(.\[K\)\?Í\.\.\.'; then
+  :
+else
+  echo "Test #6 ${mode} failed: $test6"
+  failures=1
+fi
+
+# Test that -{G,E} --color=always prefers earlier pattern matches.
+test7="`echo 'Cosi tu ČišÍ...' \
+	| LC_ALL=cs_CZ.UTF-8 ${GREP} --color=always -${mode}i -e 'čiší' -e 'čiš'`"
+if echo "$test7" | LC_ALL=C ${GREP} -q 'Cosi tu .*\[.*mČišÍ.*\[.*m\(.\[K\)\?\.\.\.'; then
+  :
+else
+  echo "Test #7 ${mode} failed: $test7"
+  failures=1
+fi
+
+test8="$(echo `LC_ALL=cs_CZ.UTF-8 ${GREP} -${mode}i -e 'Č.šE' -e 'Č[a-f]s' csinput \
+	       | LC_ALL=C sed 's/^.*\([0-9][0-9]\).*$/\1/'`)"
+if test "$test8" != "01 02 07 08 10 11 12 13 14 15 16 17 18 19 20"; then
+  echo "Test #8 ${mode} failed: $test8"
+  failures=1
+fi
+
+done
+
+exit $failures
diff --git a/tests/foad1.sh b/tests/foad1.sh
index 5fa64933..6c590265 100755
--- a/tests/foad1.sh
+++ b/tests/foad1.sh
@@ -47,6 +47,21 @@ grep_test "word_word/" "word_/" "^word_*" -o
 grep_test "wordword/" "word/" "\<word" -o
 
 
+# Test "--color" option
+
+CB=""
+CE=""
+
+# "--color" with "-i" should output an exact copy of the matching input text.
+grep_test "WordA/wordb/WORDC/" "${CB}Word${CE}A/${CB}word${CE}b/${CB}WORD${CE}C/" "Word" --color=always -i
+grep_test "WordA/wordb/WORDC/" "${CB}Word${CE}A/${CB}word${CE}b/${CB}WORD${CE}C/" "word" --color=always -i
+grep_test "WordA/wordb/WORDC/" "${CB}Word${CE}A/${CB}word${CE}b/${CB}WORD${CE}C/" "WORD" --color=always -i
+
+# End of a previous match should not match a "start of ..." expression.
+grep_test "word_word/" "${CB}word_${CE}word/" "^word_*" --color=always
+grep_test "wordword/" "${CB}word${CE}word/" "\<word" --color=always
+
+
 # Test combination of "-m" with "-A" and anchors.
 # Based on a report from Pavol Gono.
 grep_test "4/40/"  "4/40/"  "^4$" -m1 -A99