+check "`mhpath last`" "$actual" 'keep first'
+
+
+start_test "pass through message with relative folder path with parse error"
+#### Factor out leading portion of current folder path and make it relative.
+pwd=`pwd -P`
+set +e
+run_prog mhfixmsg +./`mhpath | sed "s%^$pwd/%%"` last -out - >"$actual" 2>/dev/null
+set -e
+folder -f +inbox >/dev/null
+#### Expected output is identical to the input message.
+check "`mhpath last`" "$actual"
+
+
+start_test "fix RFC 2047 encoded header parameters"
+#### Also, add C-T-E:8bit to the message headers.
+cat >"$expected" <<EOF
+To: recipient@example.com
+From: sender@example.com
+Date: Wed, 28 Sep 2016 11:24:28 -0400
+Subject: invalid header parameter encoding
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary=001a114dd3e8fe9c56053d92f414
+Content-Transfer-Encoding: 8bit
+
+--001a114dd3e8fe9c56053d92f414
+Content-Type: text/plain; charset=UTF-8
+
+This is a test.
+
+--001a114dd3e8fe9c56053d92f414
+Content-Type: text/plain; charset="UTF-8"; name*=UTF-8''test%C3%B8.txt
+Content-Disposition: attachment; filename*=UTF-8''test%C3%B8.txt
+Content-Transfer-Encoding: 8bit
+
+This is the first text/plain part, in a subpart. The file name
+is testø.txt.
+
+--001a114dd3e8fe9c56053d92f414--
+EOF
+
+cat >"`mhpath new`" <<EOF
+To: recipient@example.com
+From: sender@example.com
+Date: Wed, 28 Sep 2016 11:24:28 -0400
+Subject: invalid header parameter encoding
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary=001a114dd3e8fe9c56053d92f414
+
+--001a114dd3e8fe9c56053d92f414
+Content-Type: text/plain; charset=UTF-8
+
+This is a test.
+
+--001a114dd3e8fe9c56053d92f414
+Content-Type: text/plain; charset=UTF-8; name="=?UTF-8?B?dGVzdMO4LnR4dA==?="
+Content-Disposition: attachment; filename="=?UTF-8?B?dGVzdMO4LnR4dA==?="
+Content-Transfer-Encoding: 8bit
+
+This is the first text/plain part, in a subpart. The file name
+is testø.txt.
+
+--001a114dd3e8fe9c56053d92f414--
+EOF
+run_prog mhfixmsg -file - -outfile - <`mhpath last` >"$actual" 2>/dev/null
+check "$expected" "$actual"
+
+
+start_test "-nodecodeheaderfieldbodies"
+cat >"`mhpath new`" <<EOF
+To: recipient@example.com
+From: sender@example.com
+Date: Wed, 28 Sep 2016 11:24:28 -0400
+Subject: =?utf-8?B?dGhpcyBTdWJqZWN0IHdhcyBVVEYtOCBlbmNvZGVk?=
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary=001a114dd3e8fe9c56053d92f414
+Content-Transfer-Encoding: 8bit
+
+--001a114dd3e8fe9c56053d92f414
+Content-Type: text/plain; charset=UTF-8
+
+This is a test.
+
+--001a114dd3e8fe9c56053d92f414
+Content-Type: text/plain; charset=UTF-8; name="test.txt"
+Content-Disposition: attachment; filename="test.txt"
+Content-Transfer-Encoding: 8bit
+
+This is the first text/plain part, in a subpart. The file name
+is test.txt.
+
+--001a114dd3e8fe9c56053d92f414--
+EOF
+run_prog mhfixmsg -file - -outfile - -decodeheaderfieldbodies utf-8 \
+ -nodecodeheaderfieldbodies <`mhpath last` >"$actual" 2>/dev/null
+check `mhpath last` "$actual" 'keep first'
+
+
+start_test "test decoding of UTF-8 header value"
+cat >"$expected" <<EOF
+To: recipient@example.com
+From: sender@example.com
+Date: Wed, 28 Sep 2016 11:24:28 -0400
+Subject: this Subject was UTF-8 encoded
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary=001a114dd3e8fe9c56053d92f414
+Content-Transfer-Encoding: 8bit
+
+--001a114dd3e8fe9c56053d92f414
+Content-Type: text/plain; charset=UTF-8
+
+This is a test.
+
+--001a114dd3e8fe9c56053d92f414
+Content-Type: text/plain; charset=UTF-8; name="test.txt"
+Content-Disposition: attachment; filename="test.txt"
+Content-Transfer-Encoding: 8bit
+
+This is the first text/plain part, in a subpart. The file name
+is test.txt.
+
+--001a114dd3e8fe9c56053d92f414--
+EOF
+
+run_prog mhfixmsg -file - -outfile - -decodeheaderfieldbodies utf-8 \
+ <`mhpath last` >"$actual" 2>/dev/null
+check "$expected" "$actual"
+
+
+start_test "-checkbase64 with base64 code that ends with == plus footer"
+cat >"`mhpath new`" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends with ==
+MIME-Version: 1.0
+Content-Type: text/plain
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyBzb21lIHRleHQuCg==
+
+--
+Wait, this shouldn't be here.
+EOF
+
+cat >"$expected" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends with ==
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="----=_nmh-multipart"
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+This is some text.
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+--
+Wait, this shouldn't be here.
+
+------=_nmh-multipart--
+EOF
+run_prog mhfixmsg last -outfile "$actual"
+check "$expected" "$actual"
+
+
+start_test "-checkbase64 with -nodecodetext"
+cat >"`mhpath new`" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends with ==
+MIME-Version: 1.0
+Content-Type: text/plain
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyBzb21lIHRleHQuCg==
+
+--
+Wait, this shouldn't be here.
+EOF
+
+cat >"$expected" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends with ==
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="----=_nmh-multipart"
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyBzb21lIHRleHQuCg==
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+--
+Wait, this shouldn't be here.
+
+------=_nmh-multipart--
+EOF
+run_prog mhfixmsg -nodecodetext last -outfile "$actual"
+check "$expected" "$actual"
+
+
+start_test "-checkbase64 with base64 code that ends with = plus footer"
+cat >"`mhpath new`" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends with =
+MIME-Version: 1.0
+Content-Type: text/plain
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyBwbGFpbiB0ZXh0Lgo=
+
+--
+Wait, this shouldn't be here.
+EOF
+
+cat >"$expected" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends with =
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="----=_nmh-multipart"
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+This is plain text.
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+--
+Wait, this shouldn't be here.
+
+------=_nmh-multipart--
+EOF
+run_prog mhfixmsg last -outfile "$actual"
+check "$expected" "$actual"
+
+
+start_test "-checkbase64 with base64 code that ends without = plus footer"
+cat >"`mhpath new`" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends without =
+MIME-Version: 1.0
+Content-Type: text/plain
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyBzb21lIHRleHQK
+
+--
+Wait, this shouldn't be here.
+EOF
+
+cat >"$expected" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends without =
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="----=_nmh-multipart"
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+This is some text
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+--
+Wait, this shouldn't be here.
+
+------=_nmh-multipart--
+EOF
+run_prog mhfixmsg last -outfile "$actual"
+check "$expected" "$actual"
+
+
+start_test "-checkbase64 with base64 code that contains single invalid character"
+cat >"`mhpath new`" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends without =
+MIME-Version: 1.0
+Content-Type: text/plain
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyBzb21lIHRleHQK
+
+-X-
+Wait, this shouldn't be here.
+EOF
+
+cat >"$expected" <<EOF
+From: Test <test@example.com>
+Subject: base64 code that ends without =
+MIME-Version: 1.0
+Content-Type: text/plain
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyBzb21lIHRleHQK
+
+-X-
+Wait, this shouldn't be here.
+EOF
+
+cat >"$expected_err" <<EOF
+mhfixmsg: invalid base64 byte 0x2d: -X-
+Wait, this shouldn't be here.
+
+EOF
+
+run_prog mhfixmsg last -outfile "$actual" 2>"$actual_err" || true
+check "$expected" "$actual"
+check "$expected_err" "$actual_err"
+
+
+start_test "-checkbase64 with base64 code in MIME part"
+cat >"`mhpath new`" <<EOF
+From: Test <test@example.com>
+Subject: MIME part with base64 encoded text and unencoded footer
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="----=_nmh-multipart"
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyBzb21lIHRleHQK
+
+--
+Wait, this shouldn't be here.
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+This is a second text/plain part.
+
+------=_nmh-multipart--
+EOF
+
+cat >"$expected" <<EOF
+From: Test <test@example.com>
+Subject: MIME part with base64 encoded text and unencoded footer
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="----=_nmh-multipart"
+
+------=_nmh-multipart
+Content-Type: multipart/mixed; boundary="----=_nmh-multipart1"
+
+------=_nmh-multipart1
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+This is some text
+
+------=_nmh-multipart1
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+--
+Wait, this shouldn't be here.
+
+------=_nmh-multipart1--
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+This is a second text/plain part.
+
+------=_nmh-multipart--
+EOF
+run_prog mhfixmsg last -outfile "$actual"
+check "$expected" "$actual"
+
+
+start_test "-checkbase64 with 8-bit encoded base64 code"
+cat >"`mhpath new`" <<EOF
+From: Test <test@example.com>
+Subject: 8-bit encoded base64 code
+MIME-Version: 1.0
+Content-Type: text/plain
+Content-Transfer-Encoding: base64
+
+U2VlIFJGQyAyMDQ1IMKnNi44Lg==
+
+--
+Wait, this shouldn't be here.
+EOF
+cat >"$expected" <<EOF
+From: Test <test@example.com>
+Subject: 8-bit encoded base64 code
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="----=_nmh-multipart"
+Content-Transfer-Encoding: 8bit
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 8bit
+
+See RFC 2045 §6.8.
+
+------=_nmh-multipart
+Content-Type: text/plain
+Content-Transfer-Encoding: 7bit
+
+--
+Wait, this shouldn't be here.
+
+------=_nmh-multipart--
+EOF
+
+run_prog mhfixmsg last -outfile "$actual"
+check "$expected" "$actual"
projects / nmh / blobdiff