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stuce-bot 2025-06-30 20:47:33 +02:00
commit 5893b00dd2
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29
libraries/M5Utility/test/optional/swap.cpp Normal file
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#include <gtest/gtest.h>
#include <m5_utility/stl/optional.hpp>
TEST(Optional, SwapValue)
{
m5::stl::optional<int> o1 = 42;
m5::stl::optional<int> o2 = 12;
o1.swap(o2);
EXPECT_TRUE(o1.value() == 12);
EXPECT_TRUE(o2.value() == 42);
}
TEST(Optional, SwapValueWithNullIntialized)
{
m5::stl::optional<int> o1 = 42;
m5::stl::optional<int> o2 = m5::stl::nullopt;
o1.swap(o2);
EXPECT_TRUE(!o1.has_value());
EXPECT_TRUE(o2.value() == 42);
}
TEST(Optional, SwapNullIntializedWithValue)
{
m5::stl::optional<int> o1 = m5::stl::nullopt;
m5::stl::optional<int> o2 = 42;
o1.swap(o2);
EXPECT_TRUE(o1.value() == 42);
EXPECT_TRUE(!o2.has_value());
}