From 87a84a103685be58b1cc218410156df7eff15662 Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Sun, 4 May 2014 18:46:40 -0700
Subject: [PATCH 1/3] tests: improve coverage for prefix-of-multibyte

* tests/prefix-of-multibyte: Also test the regex version.
---
 tests/prefix-of-multibyte | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/tests/prefix-of-multibyte b/tests/prefix-of-multibyte
index 70a924e..2ab9a99 100755
--- a/tests/prefix-of-multibyte
+++ b/tests/prefix-of-multibyte
@@ -13,11 +13,16 @@ encode aABC >exp2
 fail=0
 
 for LOC in en_US.UTF-8 $LOCALE_FR_UTF8; do
-  for opt in '' '-F'; do
-    out=out-$opt-$LOC
-    LC_ALL=$LOC grep $opt "$(encode A)" exp1 >$out || fail=1
+  for type in dfa fgrep regex; do
+    case $type in
+      dfa) opt= prefix= ;;
+      fgrep) opt=-F prefix= ;;
+      regex) opt= prefix='\(\)\1' ;;
+    esac
+    out=out-$type-$LOC
+    LC_ALL=$LOC grep $opt "$prefix$(encode A)" exp1 >$out || fail=1
     compare exp1 $out || fail=1
-    LC_ALL=$LOC grep $opt "$(encode aA)" exp2 >$out || fail=1
+    LC_ALL=$LOC grep $opt "$prefix$(encode aA)" exp2 >$out || fail=1
     compare exp2 $out || fail=1
   done
 done
-- 
1.9.0