From 28e084dfd8bf63f2026f1fee422aa2d525798233 Mon Sep 17 00:00:00 2001
From: Pranav Srinivas Kumar <pranav.srinivas.kumar@gmail.com>
Date: Sun, 31 Mar 2019 15:15:56 -0400
Subject: [PATCH] Added an example that uses a reference catching in action
 lambda

---
 tests/test_container_arguments.hpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/tests/test_container_arguments.hpp b/tests/test_container_arguments.hpp
index fc6429b..a2ee85a 100644
--- a/tests/test_container_arguments.hpp
+++ b/tests/test_container_arguments.hpp
@@ -50,4 +50,32 @@ TEST_CASE("Parse list of arguments with default values", "[vector]") {
   REQUIRE(argparse::get_from_list(inputs, 2) == 3);
   REQUIRE(argparse::get_from_list(inputs, 3) == 4);
   REQUIRE(argparse::get_from_list(inputs, 4) == 5);
+}
+
+TEST_CASE("Parse list of arguments and save in an object", "[vector]") {
+
+  struct ConfigManager {
+    std::vector<std::string> files;
+    void add_file(const std::string& file) {
+      files.push_back(file);
+    }    
+  };
+
+  ConfigManager config_manager;
+
+  argparse::ArgumentParser program("test");
+  program.add_argument("--input_files")
+    .nargs(2)
+    .action([&](const std::string& value) { config_manager.add_file(value); return value; });
+
+  program.parse_args({ "test", "--input_files", "config.xml", "system.json" });
+
+  auto file_args = program.get<std::vector<std::string>>("--input_files");
+  REQUIRE(file_args.size() == 2);
+  REQUIRE(file_args[0] == "config.xml");
+  REQUIRE(file_args[1] == "system.json");
+
+  REQUIRE(config_manager.files.size() == 2);
+  REQUIRE(config_manager.files[0] == "config.xml");
+  REQUIRE(config_manager.files[1] == "system.json");
 }
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