test_json_nodes <<<"$output" \
'crypto:[0][0][0]["crypto"]={"signed": {"status": [{"created": 1525350527, "fingerprint": "'$FINGERPRINT'", "userid": "'"$SELF_USERID"'", "status": "good"}], "headers": ["Subject"]}}'
+test_begin_subtest "protected subject does not leak by default in replies"
+output=$(notmuch reply --decrypt=true --format=json id:protected-header@crypto.notmuchmail.org)
+test_json_nodes <<<"$output" \
+ 'crypto:["original"]["crypto"]={"decrypted": {"status": "full", "header-mask": {"Subject": "Subject Unavailable"}}}' \
+ 'subject:["original"]["headers"]["Subject"]="This is a protected header"' \
+ 'reply-subject:["reply-headers"]["Subject"]="Re: Subject Unavailable"'
+
+test_begin_subtest "protected subject is not indexed by default"
+output=$(notmuch search --output=messages 'subject:"This is a protected header"')
+test_expect_equal "$output" ''
+
+test_begin_subtest "reindex message with protected header"
+test_expect_success 'notmuch reindex --decrypt=true id:protected-header@crypto.notmuchmail.org'
+
+test_begin_subtest "protected subject is indexed when cleartext is indexed"
+output=$(notmuch search --output=messages 'subject:"This is a protected header"')
+test_expect_equal "$output" 'id:protected-header@crypto.notmuchmail.org'
+
+test_begin_subtest "indexed protected subject is visible in search"
+output=$(notmuch search --format=json 'id:protected-header@crypto.notmuchmail.org')
+test_json_nodes <<<"$output" \
+ 'subject:[0]["subject"]="This is a protected header"'
+
test_done