First tests

CMakeLists.txt

@@ -8,7 +8,8 @@ add_library(Catch INTERFACE)
 target_include_directories(Catch INTERFACE ${CATCH_INCLUDE_DIR})
 
 # Make test executable
-set(TEST_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/tests/main.cpp)
+set(TEST_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/tests/main.cpp
+                 ${CMAKE_CURRENT_SOURCE_DIR}/tests/constructors.cpp)
 
 add_executable(tests ${TEST_SOURCES})
 

tests/constructors.cpp

@@ -0,0 +1,50 @@
+#include "catch.hpp"
+#include "expected.hpp"
+
+#include <vector>
+
+struct takes_init_and_variadic {
+    std::vector<int> v;
+    std::tuple<int, int> t;
+    template <class... Args>
+    takes_init_and_variadic(std::initializer_list<int> l, Args &&... args)
+        : v(l), t(std::forward<Args>(args)...) {}
+};
+
+TEST_CASE("Constructors", "[constructors]") {
+    {
+        tl::expected<int,int> e;
+        REQUIRE(e);
+        REQUIRE(e == 0);
+    }
+
+    {
+        tl::expected<int,int> e (tl::in_place, 42);
+        REQUIRE(e);
+        REQUIRE(e == 42);
+    }
+
+    {
+        tl::expected<std::vector<int>,int> e (tl::in_place, {0,1});
+        REQUIRE(e);
+        REQUIRE((*e)[0] == 0);
+        REQUIRE((*e)[1] == 1);
+    }
+
+    {
+        tl::expected<std::tuple<int,int>,int> e (tl::in_place, 0, 1);
+        REQUIRE(e);
+        REQUIRE(std::get<0>(*e) == 0);
+        REQUIRE(std::get<1>(*e) == 1);
+    }
+
+    {
+        tl::expected<takes_init_and_variadic,int> e (tl::in_place, {0,1}, 2, 3);
+        REQUIRE(e);
+        REQUIRE(e->v[0] == 0);
+        REQUIRE(e->v[1] == 1);
+        REQUIRE(std::get<0>(e->t) == 2);
+        REQUIRE(std::get<1>(e->t) == 3);
+    }
+
+}