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#include "util/function.hpp"
#include <cstdint>
#include <doctest/doctest.h>
TEST_CASE("normalize_lamda")
{
SUBCASE("Can return a function that returns a int")
{
const int number = 58;
CHECK(normalize_lambda(
[number]()
{
return number;
})() == number);
}
SUBCASE("Can preserve object state")
{
class Book
{
public:
Book() noexcept = default;
void read_page() noexcept
{
_pages_read++;
}
[[nodiscard]] uint32_t pages_read() const noexcept
{
return _pages_read;
}
private:
uint32_t _pages_read{0U};
};
auto book = Book();
book.read_page();
book.read_page();
book.read_page();
CHECK(normalize_lambda(
[book]()
{
return book.pages_read();
})() == 3);
}
}
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