test: add known broken tests for known broken RFC 2047 encodings

Some common broken RFC 2047 encodings that we currently let gmime
parse strictly. We could tell gmime to be forgiving in what it accepts
as RFC 2047 encoding, making these tests pass.

diff --git a/test/encoding b/test/encoding
index 2e1326ebe1bca735c461704d8147dd180a1a3aa9..7372b6b0cd8c2d911344b52e2d126451b8e527ce 100755 (executable)
--- a/test/encoding
+++ b/test/encoding
@@ -29,4 +29,22 @@ add_message '[content-type]="text/plain; charset=iso-8859-2"' \
 output=$(notmuch search tučňáččí 2>&1 | notmuch_show_sanitize)
 test_expect_equal "$output" "thread:0000000000000002   2001-01-05 [1/1] Notmuch Test Suite; ISO-8859-2 encoded message (inbox unread)"
 
+test_begin_subtest "RFC 2047 encoded word with spaces"
+test_subtest_known_broken
+add_message '[subject]="=?utf-8?q?encoded word with spaces?="'
+output=$(notmuch search id:${gen_msg_id} 2>&1 | notmuch_show_sanitize)
+test_expect_equal "$output" "thread:0000000000000003   2001-01-05 [1/1] Notmuch Test Suite; encoded word with spaces (inbox unread)"
+
+test_begin_subtest "RFC 2047 encoded words back to back"
+test_subtest_known_broken
+add_message '[subject]="=?utf-8?q?encoded-words-back?==?utf-8?q?to-back?="'
+output=$(notmuch search id:${gen_msg_id} 2>&1 | notmuch_show_sanitize)
+test_expect_equal "$output" "thread:0000000000000004   2001-01-05 [1/1] Notmuch Test Suite; encoded-words-backto-back (inbox unread)"
+
+test_begin_subtest "RFC 2047 encoded words without space before or after"
+test_subtest_known_broken
+add_message '[subject]="=?utf-8?q?encoded?=word without=?utf-8?q?space?=" '
+output=$(notmuch search id:${gen_msg_id} 2>&1 | notmuch_show_sanitize)
+test_expect_equal "$output" "thread:0000000000000005   2001-01-05 [1/1] Notmuch Test Suite; encodedword withoutspace (inbox unread)"
+
 test_done