#!/bin/sh
######################################################
#
# Test compatibility with RFC 6532, Internationalized
#   Email Headers
#
######################################################

set -e

if test -z "${MH_OBJ_DIR}"; then
    srcdir=`dirname $0`/../..
    MH_OBJ_DIR=`cd $srcdir && pwd`; export MH_OBJ_DIR
fi

. "${MH_OBJ_DIR}/test/common.sh"

setup_test
mhl="${MH_LIBEXEC_DIR}/mhl"

#### Make sure that html-to-text conversion is what we expect.
require_locale en_US.UTF-8 en_US.UTF8 en_US.utf-8 en_US.utf8


start_test 'UTF-8 headers'
#### The -- position the multibyte characters to check edge
#### cases in the 'UTF-8 headers with narrow width' test below.
cat >`mhpath new` <<EOF
From: sender--ø@example.com
To: recipientæ@example.com
To: recipient2@example.com
Cc: recip--æ@example.com
Subject: Blåbærsyltetøy
Date: 20 May 2014 14:28:51 +0200
MIME-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 8bit

Blåbærsyltetøy er veldig godt. Jeg liker blåbærsyltetøy.
Jøran.

Text source:
Arnt Gulbrandsen and Jiankang Yao, "Email Address Internationalization",
Computing Edge 1:6, June 2015,
http://www.computer.org/cms/computing-edge/ce-jun15-final.pdf, p. 50.
EOF

#### Just check that the (UTF-8) headers are displayed unscathed.  run_test
#### squashes the trailing blank lines from mhl.
run_test "$mhl -form mhl.headers `mhpath last`" \
'Date:    20 May 2014 14:28:51 +0200
To:      recipientæ@example.com,
	 recipient2@example.com
cc:      recip--æ@example.com
From:    sender--ø@example.com
Subject: Blåbærsyltetøy

MIME-Version: 1.0'


start_test 'UTF-8 headers with narrow width'
run_test "$mhl -form mhl.headers -width 18 `mhpath last`" \
'Date:    20 May 2
     ***014 14:28
     ***:51 +0200
To:      recipien
     ***tæ@exampl
     ***e.com,
	 recipien
     ***t2@exampl
     ***e.com
cc:      recip--æ
     ***@example.
     ***com
From:    sender--
     ***ø@example
     ***.com
Subject: Blåbærsy
     ***ltetøy

MIME-Version: 1.0'


start_test 'incompatible locale'
# Show that LC_CTYPE is sufficient, if LC_ALL is unset.
unset LC_ALL
LC_CTYPE=C; export LC_CTYPE
cat >"$MH_TEST_DIR/test.format" <<EOF
; Doesn't decode From: or Subject:, to be really sure
; that character replacement works.
overflowtext="***",overflowoffset=5
leftadjust,compwidth=9
Date:formatfield="%<(nodate{text})%{text}%|%(pretty{text})%>"
To:
cc:
From:
Subject:
EOF

run_test "$mhl -form "$MH_TEST_DIR/test.format" `mhpath last`" \
'Date:    20 May 2014 14:28:51 +0200
To:      recipient??@example.com,
	 recipient2@example.com
cc:      recip--??@example.com
From:    sender--??@example.com
Subject: Bl??b??rsyltet??y'
rm -f "$MH_TEST_DIR/test.format"


finish_test
exit $failed