From c26ed70412dc475a7603776536647e76cb417831 Mon Sep 17 00:00:00 2001
From: Simon Brand <simon@codeplay.com>
Date: Mon, 2 Oct 2017 09:22:54 +0100
Subject: [PATCH] Nullopt tests

---
 tests/nullopt.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 tests/nullopt.cpp

diff --git a/tests/nullopt.cpp b/tests/nullopt.cpp
new file mode 100644
index 0000000..6340724
--- /dev/null
+++ b/tests/nullopt.cpp
@@ -0,0 +1,16 @@
+#include "catch.hpp"
+#include "optional.hpp"
+
+TEST_CASE("Nullopt", "[nullopt]") {
+  tl::optional<int> o1 = tl::nullopt;
+  tl::optional<int> o2{tl::nullopt};
+  tl::optional<int> o3(tl::nullopt);
+  tl::optional<int> o4 = {tl::nullopt};
+
+  REQUIRE(!o1);
+  REQUIRE(!o2);
+  REQUIRE(!o3);
+  REQUIRE(!o4);
+
+  REQUIRE(!std::is_default_constructible<tl::nullopt_t>::value);
+}