[PATCH 1/4] test: add known broken test for empty from: and subject: query

[David Bremner]

These queries currently fail with field processors enabled because the
code expects a non-empty string.
---
 test/T650-regexp-query.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/T650-regexp-query.sh b/test/T650-regexp-query.sh
index df48ab82..b1d84439 100755
--- a/test/T650-regexp-query.sh
+++ b/test/T650-regexp-query.sh
@@ -11,6 +11,15 @@ fi
 
 notmuch search --output=messages from:cworth > cworth.msg-ids
 
+test_begin_subtest "empty from: search"
+test_subtest_known_broken
+notmuch search --output=messages 'from:""' and from:cworth > OUTPUT
+test_expect_equal_file cworth.msg-ids OUTPUT
+
+test_begin_subtest "empty subject: search"
+test_subtest_known_broken
+notmuch search --output=messages 'subject:""' and from:cworth > OUTPUT
+test_expect_equal_file cworth.msg-ids OUTPUT
 test_begin_subtest "regexp from search, case sensitive"
 notmuch search --output=messages from:/carl/ > OUTPUT
 test_expect_equal_file /dev/null OUTPUT
-- 
2.11.0