Files
optional/tests/assignment.cpp
Isabella Muerte 54f7f970bf 🎨 Cleanup include path for catch2
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⬆️ Upgrade minimum CMake version to 3.14
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 Update tests to be separated by file
2019-09-17 09:59:36 -07:00

72 lines
1.1 KiB
C++

#include <catch2/catch.hpp>
#include <tl/optional.hpp>
TEST_CASE("Assignment value", "[assignment.value]") {
tl::optional<int> o1 = 42;
tl::optional<int> o2 = 12;
tl::optional<int> o3;
o1 = o1;
REQUIRE(*o1 == 42);
o1 = o2;
REQUIRE(*o1 == 12);
o1 = o3;
REQUIRE(!o1);
o1 = 42;
REQUIRE(*o1 == 42);
o1 = tl::nullopt;
REQUIRE(!o1);
o1 = std::move(o2);
REQUIRE(*o1 == 12);
tl::optional<short> o4 = 42;
o1 = o4;
REQUIRE(*o1 == 42);
o1 = std::move(o4);
REQUIRE(*o1 == 42);
}
TEST_CASE("Assignment reference", "[assignment.ref]") {
auto i = 42;
auto j = 12;
tl::optional<int&> o1 = i;
tl::optional<int&> o2 = j;
tl::optional<int&> o3;
o1 = o1;
REQUIRE(*o1 == 42);
REQUIRE(&*o1 == &i);
o1 = o2;
REQUIRE(*o1 == 12);
o1 = o3;
REQUIRE(!o1);
auto k = 42;
o1 = k;
REQUIRE(*o1 == 42);
REQUIRE(*o1 == i);
REQUIRE(*o1 == k);
REQUIRE(&*o1 != &i);
REQUIRE(&*o1 == &k);
k = 12;
REQUIRE(*o1 == 12);
o1 = tl::nullopt;
REQUIRE(!o1);
o1 = std::move(o2);
REQUIRE(*o1 == 12);
}