17 lines
459 B
C++
17 lines
459 B
C++
#include <gtest/gtest.h>
|
|
#include <m5_utility/stl/optional.hpp>
|
|
|
|
TEST(Optional, Nullopt)
|
|
{
|
|
m5::stl::optional<int> o1 = m5::stl::nullopt;
|
|
m5::stl::optional<int> o2{m5::stl::nullopt};
|
|
m5::stl::optional<int> o3(m5::stl::nullopt);
|
|
m5::stl::optional<int> o4 = {m5::stl::nullopt};
|
|
|
|
EXPECT_TRUE(!o1);
|
|
EXPECT_TRUE(!o2);
|
|
EXPECT_TRUE(!o3);
|
|
EXPECT_TRUE(!o4);
|
|
|
|
EXPECT_TRUE(!std::is_default_constructible<m5::stl::nullopt_t>::value);
|
|
}
|