test-charset: Divulge mhshow output if iconv_open(3) doesn't gripe.

[nmh] / test / mhshow / test-charset

diff --git a/test/mhshow/test-charset b/test/mhshow/test-charset
index fb482482f7a4d376c1cdaa0cf2d8eddcffcb4422..79e8d52757ddcdbda5bd6af2ff06fb25f87400a2 100755 (executable)
--- a/test/mhshow/test-charset
+++ b/test/mhshow/test-charset
@@ -20,18 +20,16 @@ check_exit '-eq 1' mhshow -
 
 require_locale en_US.UTF-8 en_US.UTF8 en_US.utf-8 en_US.utf8
 
-skip_param_value_checks=0
+iconv_elides_question_marks=0
 if test "$ICONV_ENABLED" -eq 0; then
     text_size=10
 else
     text_size=11
-    if ! printf '\xe4' | iconv -f EBCDIC-US -t UTF-8 >/dev/null 2>&1; then
-        #### For unknown reasons, the parameter values checks fail on the
-        #### FreeBSD10 buildbot.  It doesn't support EBCDIC-US, which is used
-        #### by the checks, so check for that.  Though that doesn't seem to be
-        #### the reason.
-        skip_param_value_checks=1
-    fi
+    #### The GNU iconv library normalises charset names by eliding '?', along
+    #### with some other characters.  The iconv library used on FreeBSD/NetBSD
+    #### doesn't.
+    printf x | iconv -f '?UTF-8' -t UTF-8 >/dev/null 2>&1  &&
+        iconv_elides_question_marks=1
 fi
 
 expected=$MH_TEST_DIR/$$.expected
@@ -83,18 +81,23 @@ run_prog mhshow $msgnum > $actual 2>&1
 check "$expected" "$actual" : locale profile component
 
 
+#### RFC 2231 defines the extended value syntax:
+#### extended-initial-value := [charset] "'" [language] "'"
+####                           extended-other-values
+#### used below, where language is blank.
+
 start_test 'Encoded parameter value'
 msgfile=`mhpath new`
 msgnum=`basename $msgfile`
-#### The encoded charset name is really UTF-8 encoded,
-#### but say it's UTF-16 to exercise the iconv code,
-#### if it's available, in get_param_value().
+#### Use a charset to exercise the iconv code, if it's available,
+#### in get_param_value().  The Content-Type charset is UTF-8, encoded
+#### to exercise iconv.
 cat > $msgfile <<EOF
 From: foo@example.edu
 To: bar@example.edu
 Subject: test
 MIME-Version: 1.0
-Content-Type: text/plain; charset*=EBCDIC-US''%e4%e3%c6%60%f8
+Content-Type: text/plain; charset*=ISO-2022-KR''%1b%24%29%43%55%54%46%2d%38
 Content-Transfer-Encoding: quoted-printable
 Content-Description: bogus quoted-printable data
 Date: Sun, 18 Dec 2005 00:52:39 +0100
@@ -116,7 +119,7 @@ Content-Description: bogus quoted-printable data
 4 ÷ 2 = 2
 EOF
 
-if test $skip_param_value_checks -eq 0; then
+if test "$ICONV_ENABLED" -eq 1; then
     run_prog mhshow $msgnum > $actual 2>&1
     check "$expected" "$actual" : encoded parameter value
 fi
@@ -140,11 +143,16 @@ MIME-Version: 1.0
 [ part  - text/plain -   0B  ]
 EOF
 
-if test $skip_param_value_checks -eq 0; then
-    run_prog mhshow $msgnum > $actual 2>&1
+run_prog mhshow $msgnum > $actual 2>&1
+if [ $iconv_elides_question_marks -eq 1 ]; then
     check "$expected" "$actual"
+elif grep "Can't convert .*us-ascii to UTF-8" "$actual" >/dev/null; then
+    :
+else
+    echo 'iconv complaint not found'
+    sed -n l "$actual"
+    failed=1
 fi
 
-
 finish_test
 exit $failed