+test_begin_subtest "infix query"
+notmuch search to:searchbyto | notmuch_search_sanitize > EXPECTED
+notmuch search --query=sexp '(infix "to:searchbyto")' | notmuch_search_sanitize > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "bad infix query 1"
+notmuch search --query=sexp '(infix "from:/unbalanced")' 2>&1| notmuch_search_sanitize > OUTPUT
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+Syntax error in infix query: from:/unbalanced
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "bad infix query 2"
+notmuch search --query=sexp '(infix "thread:{unbalanced")' 2>&1| notmuch_search_sanitize > OUTPUT
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+Syntax error in infix query: thread:{unbalanced
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "bad infix query 3: bad nesting"
+notmuch search --query=sexp '(subject (infix "tag:inbox"))' 2>&1| notmuch_search_sanitize > OUTPUT
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+'infix' not supported inside 'subject'
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "infix query that matches no messages"
+notmuch search --query=sexp '(and (infix "from:keithp") (infix "to:keithp"))' > OUTPUT
+test_expect_equal_file /dev/null OUTPUT
+
+test_begin_subtest "compound infix query"
+notmuch search date:2009-11-18..2009-11-18 and tag:unread > EXPECTED
+notmuch search --query=sexp '(infix "date:2009-11-18..2009-11-18 and tag:unread")' > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "compound infix query 2"
+notmuch search date:2009-11-18..2009-11-18 and tag:unread > EXPECTED
+notmuch search --query=sexp '(and (infix "date:2009-11-18..2009-11-18") (infix "tag:unread"))' > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "user header (unknown header)"
+notmuch search --query=sexp '(FooBar)' >& OUTPUT
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+unknown prefix 'FooBar'
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "adding user header"
+test_expect_code 0 "notmuch config set index.header.List \"List-Id\""
+
+test_begin_subtest "reindexing"
+test_expect_code 0 'notmuch reindex "*"'
+
+test_begin_subtest "wildcard search for user header"
+grep -Ril List-Id ${MAIL_DIR} | sort | notmuch_dir_sanitize > EXPECTED
+notmuch search --output=files --query=sexp '(List *)' | sort | notmuch_dir_sanitize > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "wildcard search for user header 2"
+grep -Ril List-Id ${MAIL_DIR} | sort | notmuch_dir_sanitize > EXPECTED
+notmuch search --output=files --query=sexp '(List (starts-with not))' | sort | notmuch_dir_sanitize > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "search for user header"
+notmuch search List:notmuch | notmuch_search_sanitize > EXPECTED
+notmuch search --query=sexp '(List notmuch)' | notmuch_search_sanitize > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "search for user header (list token)"
+notmuch search List:notmuch | notmuch_search_sanitize > EXPECTED
+notmuch search --query=sexp '(List notmuch.notmuchmail.org)' | notmuch_search_sanitize > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "search for user header (quoted string)"
+notmuch search 'List:"notmuch notmuchmail org"' | notmuch_search_sanitize > EXPECTED
+notmuch search --query=sexp '(List "notmuch notmuchmail org")' | notmuch_search_sanitize > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "search for user header (atoms)"
+notmuch search 'List:"notmuch notmuchmail org"' | notmuch_search_sanitize > EXPECTED
+notmuch search --query=sexp '(List notmuch notmuchmail org)' | notmuch_search_sanitize > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "check saved query name"
+test_expect_code 1 "notmuch config set squery.test '(subject utf8-sübjéct)'"
+
+test_begin_subtest "roundtrip saved query (database)"
+notmuch config set --database squery.Test '(subject utf8-sübjéct)'
+output=$(notmuch config get squery.Test)
+test_expect_equal "$output" '(subject utf8-sübjéct)'
+
+test_begin_subtest "roundtrip saved query"
+notmuch config set squery.Test '(subject override subject)'
+output=$(notmuch config get squery.Test)
+test_expect_equal "$output" '(subject override subject)'
+
+test_begin_subtest "unknown saved query"
+notmuch search --query=sexp '(Unknown foo bar)' >OUTPUT 2>&1
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+unknown prefix 'Unknown'
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "syntax error in saved query"
+notmuch config set squery.Bad '(Bad'
+notmuch search --query=sexp '(Bad foo bar)' >OUTPUT 2>&1
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+invalid saved s-expression query: '(Bad'
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "Saved Search by 'tag' and 'subject'"
+notmuch search tag:inbox and subject:maildir | notmuch_search_sanitize > EXPECTED
+notmuch config set squery.TagSubject '(and (tag inbox) (subject maildir))'
+notmuch search --query=sexp '(TagSubject)' | notmuch_search_sanitize > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "Saved Search: illegal nesting"
+notmuch config set squery.TagSubject '(and (tag inbox) (subject maildir))'
+notmuch search --query=sexp '(subject (TagSubject))' >OUTPUT 2>&1
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+nested field: 'tag' inside 'subject'
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+