Nullopt tests

2017-10-02 09:22:54 +01:00
parent 06adccc8c7
commit c26ed70412
1 changed files with 16 additions and 0 deletions
--- a/tests/nullopt.cpp
+++ 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);
+}