1 files changed, 63 insertions, 0 deletions
diff --git a/src/seastar/tests/unit/program_options_test.cc b/src/seastar/tests/unit/program_options_test.cc
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+++ b/src/seastar/tests/unit/program_options_test.cc
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+/*
+ * This file is open source software, licensed to you under the terms
+ * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+ * distributed with this work for additional information regarding copyright
+ * ownership.  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.
+ */
+/*
+ * Copyright (C) 2017 ScyllaDB
+ */
+
+#define BOOST_TEST_MODULE core
+
+#include <seastar/util/program-options.hh>
+
+#include <boost/program_options.hpp>
+#include <boost/test/included/unit_test.hpp>
+
+#include <initializer_list>
+#include <vector>
+
+namespace bpo = boost::program_options;
+
+using namespace seastar;
+
+static bpo::variables_map parse(const bpo::options_description& desc, std::initializer_list<const char*> args) {
+    std::vector<const char*> raw_args{"program_options_test"};
+    for (const char* arg : args) {
+        raw_args.push_back(arg);
+    }
+
+    bpo::variables_map vars;
+    bpo::store(bpo::parse_command_line(raw_args.size(), raw_args.data(), desc), vars);
+    bpo::notify(vars);
+
+    return vars;
+}
+
+BOOST_AUTO_TEST_CASE(string_map) {
+    bpo::options_description desc;
+    desc.add_options()
+            ("ages", bpo::value<program_options::string_map>());
+
+    const auto vars = parse(desc, {"--ages", "joe=15:sally=20", "--ages", "phil=18:joe=11"});
+    const auto& ages = vars["ages"].as<program_options::string_map>();
+
+    // `string_map` values can be specified multiple times. The last association takes precedence.
+    BOOST_REQUIRE_EQUAL(ages.at("joe"), "11");
+    BOOST_REQUIRE_EQUAL(ages.at("phil"), "18");
+    BOOST_REQUIRE_EQUAL(ages.at("sally"), "20");
+
+    BOOST_REQUIRE_THROW(parse(desc, {"--ages", "tim:"}), bpo::invalid_option_value);
+}