based

0 #include "based/functional/function.hpp"

1

2 #include <catch2/catch_test_macros.hpp>

3

4 namespace

5 {

6

7 int identity(int a)

8 {

9 return a;

10 }

11

12 } // namespace

13

14 template class based::function<decltype(identity)>;

15

16 TEST_CASE("empty", "[template/function]")

17 {

18 const based::function<void()> func;

19

20 try {

21 func();

22 REQUIRE(false);

23 } catch (const std::bad_function_call& err) {

24 REQUIRE(true);

25 } catch (...) {

26 REQUIRE(false);

27 }

28 }

29

30 TEST_CASE("free function", "[template/function]")

31 {

32 const based::function func = identity;

33

34 REQUIRE(func(3) == 3);

35 }

36

37 TEST_CASE("lambda function", "[template/function]")

38 {

39 const based::function func = [](int a)

40 {

41 return a;

42 };

43

44 REQUIRE(func(3) == 3);

45 }