Add tests for notmuch count --output=files option.
"$((`notmuch search '*' | wc -l`))" \
"`notmuch count --output=threads '*'`"
+test_begin_subtest "files count"
+test_expect_equal \
+ "$((`notmuch search --output=files '*' | wc -l`))" \
+ "`notmuch count --output=files '*'`"
+
+test_begin_subtest "files count for a duplicate message-id"
+test_expect_equal \
+ "2" \
+ "`notmuch count --output=files id:20091117232137.GA7669@griffis1.net`"
+
test_begin_subtest "count with no matching messages"
test_expect_equal \
"0" \