+ keys[i]=talloc_strdup(message,
+ notmuch_message_properties_key (properties));
+ vals[i]=talloc_strdup(message,
+ notmuch_message_properties_value (properties));
+
+ EXPECT0(notmuch_message_remove_property (message, keys[i], vals[i]));
+ }
+
+ print_properties (message, "", FALSE);
+
+ for (i = 0; keys[i] && vals[i]; i++) {
+ EXPECT0(notmuch_message_add_property (message, keys[i], vals[i]));
+ }
+}
+EOF
+cat <<'EOF' >EXPECTED
+== stdout ==
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "dump message properties"
+cat <<EOF > PROPERTIES
+#= 4EFC743A.3060609@april.org fancy%20key%20with%20%c3%a1cc%c3%a8nts=import%20value%20with%20= testkey1=alice testkey1=bob testkey1=testvalue1 testkey1=testvalue2 testkey3=alice3 testkey3=bob3 testkey3=testvalue3
+EOF
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
+EXPECT0(notmuch_message_add_property (message, "fancy key with áccènts", "import value with ="));
+EOF
+notmuch dump | grep '^#=' > OUTPUT
+test_expect_equal_file PROPERTIES OUTPUT
+
+test_begin_subtest "dump _only_ message properties"
+cat <<EOF > EXPECTED
+#notmuch-dump batch-tag:3 properties
+#= 4EFC743A.3060609@april.org fancy%20key%20with%20%c3%a1cc%c3%a8nts=import%20value%20with%20= testkey1=alice testkey1=bob testkey1=testvalue1 testkey1=testvalue2 testkey3=alice3 testkey3=bob3 testkey3=testvalue3
+EOF
+notmuch dump --include=properties > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+
+test_begin_subtest "restore missing message property (single line)"
+notmuch dump | grep '^#=' > BEFORE1
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
+EXPECT0(notmuch_message_remove_property (message, "testkey1", "bob"));
+EOF
+notmuch restore < BEFORE1
+notmuch dump | grep '^#=' > OUTPUT
+test_expect_equal_file PROPERTIES OUTPUT
+
+
+test_begin_subtest "restore missing message property (full dump)"
+notmuch dump > BEFORE2
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
+EXPECT0(notmuch_message_remove_property (message, "testkey1", "bob"));
+EOF
+notmuch restore < BEFORE2
+notmuch dump | grep '^#=' > OUTPUT
+test_expect_equal_file PROPERTIES OUTPUT
+
+test_begin_subtest "restore clear extra message property"
+cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
+EXPECT0(notmuch_message_add_property (message, "testkey1", "charles"));
+EOF
+notmuch restore < BEFORE2
+notmuch dump | grep '^#=' > OUTPUT
+test_expect_equal_file PROPERTIES OUTPUT
+
+test_begin_subtest "test 'property:' queries: empty"
+notmuch search property:testkey1=charles > OUTPUT
+test_expect_equal_file /dev/null OUTPUT
+
+test_begin_subtest "test 'property:' queries: single message"
+notmuch search --output=messages property:testkey1=alice > OUTPUT
+cat <<EOF >EXPECTED
+id:4EFC743A.3060609@april.org
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "msg.get_property (python)"
+test_python <<'EOF'
+import notmuch
+db = notmuch.Database(mode=notmuch.Database.MODE.READ_WRITE)
+msg = db.find_message("4EFC743A.3060609@april.org")
+print("testkey1 = {0}".format(msg.get_property("testkey1")))
+print("testkey3 = {0}".format(msg.get_property("testkey3")))
+EOF
+cat <<'EOF' > EXPECTED
+testkey1 = alice
+testkey3 = alice3
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "msg.get_properties (python)"
+test_python <<'EOF'
+import notmuch
+db = notmuch.Database(mode=notmuch.Database.MODE.READ_ONLY)
+msg = db.find_message("4EFC743A.3060609@april.org")
+for (key,val) in msg.get_properties("testkey1"):
+ print("{0} = {1}".format(key,val))
+EOF
+cat <<'EOF' > EXPECTED
+testkey1 = alice
+testkey1 = bob
+testkey1 = testvalue1
+testkey1 = testvalue2
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "msg.get_properties (python, prefix)"
+test_python <<'EOF'
+import notmuch
+db = notmuch.Database(mode=notmuch.Database.MODE.READ_ONLY)
+msg = db.find_message("4EFC743A.3060609@april.org")
+for (key,val) in msg.get_properties("testkey"):
+ print("{0} = {1}".format(key,val))
+EOF
+cat <<'EOF' > EXPECTED
+testkey1 = alice
+testkey1 = bob
+testkey1 = testvalue1
+testkey1 = testvalue2
+testkey3 = alice3
+testkey3 = bob3
+testkey3 = testvalue3
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "msg.get_properties (python, exact)"
+test_python <<'EOF'
+import notmuch
+db = notmuch.Database(mode=notmuch.Database.MODE.READ_ONLY)
+msg = db.find_message("4EFC743A.3060609@april.org")
+for (key,val) in msg.get_properties("testkey",True):
+ print("{0} = {1}".format(key,val))
+EOF
+test_expect_equal_file /dev/null OUTPUT