1 files changed, 21 insertions, 0 deletions
diff --git a/test.cxx b/test.cxx
index c73c692..46a7b4c 100644
--- a/test.cxx
+++ b/test.cxx
@@ -1097,6 +1097,27 @@ TEST_CASE("ValueParser works as expected", "[args]")
 
     REQUIRE_NOTHROW(p.ParseArgs(std::vector<std::string>{"-i", " 12"}));
     REQUIRE(args::get(i) == 12);
+
+TEST_CASE("ActionFlag works as expected", "[args]")
+{
+    args::ArgumentParser p("parser");
+    std::string s;
+
+    args::ActionFlag action0(p, "name", "description", {'x'}, [&]() { s = "flag"; });
+    args::ActionFlag action1(p, "name", "description", {'y'}, [&](const std::string &arg) { s = arg; });
+    args::ActionFlag actionN(p, "name", "description", {'z'}, 2, [&](const std::vector<std::string> &arg) { s = arg[0] + arg[1]; });
+    args::ActionFlag actionThrow(p, "name", "description", {'v'}, [&]() { throw std::runtime_error(""); });
+
+    p.ParseArgs(std::vector<std::string>{"-x"});
+    REQUIRE(s == "flag");
+
+    p.ParseArgs(std::vector<std::string>{"-y", "a"});
+    REQUIRE(s == "a");
+
+    p.ParseArgs(std::vector<std::string>{"-z", "a", "b"});
+    REQUIRE(s == "ab");
+
+    REQUIRE_THROWS_AS(p.ParseArgs(std::vector<std::string>{"-v"}), std::runtime_error);
 }
 
 #undef ARGS_HXX