--- /dev/null
+/*-
+ * Copyright 2023 Vsevolod Stakhov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "util.hxx"
+
+#define DOCTEST_CONFIG_IMPLEMENTATION_IN_DLL
+#include "doctest/doctest.h"
+
+using namespace rspamd;
+using namespace std::literals::string_view_literals;
+
+TEST_SUITE("cxx utils") {
+TEST_CASE("string_split_on") {
+ std::tuple<std::string_view, char, std::pair<std::string_view, std::string_view>> cases[] = {
+ {"test test"sv, ' ', std::pair{"test"sv, "test"sv}},
+ {"test test"sv, ' ', std::pair{"test"sv, "test"sv}},
+ {"test test "sv, ' ', std::pair{"test"sv, "test "sv}},
+ {"testtest "sv, ' ', std::pair{"testtest"sv, ""sv}},
+ {" testtest "sv, ' ', std::pair{""sv, "testtest "sv}},
+ {"testtest"sv, ' ', std::pair{"testtest"sv, ""sv}},
+ {""sv, ' ', std::pair{""sv, ""sv}},
+ };
+
+ for (const auto& c : cases) {
+ auto res = string_split_on(std::get<0>(c), std::get<1>(c));
+ auto expected = std::get<2>(c);
+ CHECK(res.first == expected.first);
+ CHECK(res.second == expected.second);
+ }
+}
+}
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