add test case

peacalm · Jun 27, 2023 · 9677c7b · 9677c7b
1 parent 863ac1f
commit 9677c7b
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/test/unit_test/set_and_get.cpp b/test/unit_test/set_and_get.cpp
@@ -545,6 +545,11 @@ struct Callable {
   }
 };
 
+template <typename T>
+T tadd(T a, T b) {
+  return a + b;
+}
+
 TEST(set_and_get, set_function) {
   luaw l;
 
@@ -567,6 +572,15 @@ TEST(set_and_get, set_function) {
     EXPECT_EQ(l.gettop(), 0);
   }
 
+  // C++ template function
+  {
+    l.set("tadd", tadd<int>);
+    EXPECT_EQ(l.eval_int("return tadd(1, 1)"), 2);
+
+    l.set<double(double, double)>("tadd2", tadd);
+    EXPECT_EQ(l.eval_int("return tadd2(1.5, 1.5)"), 3);
+  }
+
   // std::function
   {
     std::function<int(int, int)> fadd = [](int a, int b) { return a + b; };