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Add tests for 'Vector' destructuring and 'constexpr' support

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This commit is contained in:
Vittorio Romeo 2021-12-16 17:58:53 +01:00
parent 6cb10856c6
commit ae3a38345d
2 changed files with 91 additions and 0 deletions
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44
test/src/System/Vector2.cpp
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@ -1,5 +1,6 @@
#include <SFML/System/Vector2.hpp> #include <SFML/System/Vector2.hpp>
#include "SystemUtil.hpp" #include "SystemUtil.hpp"
#include <type_traits>
// Use sf::Vector2i for tests. Test coverage is given, as there are no template specializations. // Use sf::Vector2i for tests. Test coverage is given, as there are no template specializations.
@ -145,4 +146,47 @@ TEST_CASE("sf::Vector2 class template", "[system]")
CHECK_FALSE(firstEqualVector != secondEqualVector); CHECK_FALSE(firstEqualVector != secondEqualVector);
} }
} }
SECTION("Structured bindings")
{
sf::Vector2i vector(1, 2);
SECTION("destructure by value")
{
auto [x, y] = vector;
CHECK(x == 1);
CHECK(y == 2);
static_assert(std::is_same_v<decltype(x), decltype(vector.x)>);
x = 3;
CHECK(x == 3);
CHECK(vector.x == 1);
}
SECTION("destructure by ref")
{
auto& [x, y] = vector;
CHECK(x == 1);
CHECK(y == 2);
static_assert(std::is_same_v<decltype(x), decltype(vector.x)>);
x = 3;
CHECK(x == 3);
CHECK(vector.x == 3);
}
}
SECTION("Constexpr support")
{
constexpr sf::Vector2i vector(1, 2);
static_assert(vector.x == 1);
static_assert(vector.y == 2);
static_assert(vector + sf::Vector2i(2, 1) == sf::Vector2i(3, 3));
}
} }

47
test/src/System/Vector3.cpp
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@ -1,5 +1,6 @@
#include <SFML/System/Vector3.hpp> #include <SFML/System/Vector3.hpp>
#include "SystemUtil.hpp" #include "SystemUtil.hpp"
#include <type_traits>
// Use sf::Vector3i for tests. Test coverage is given, as there are no template specializations. // Use sf::Vector3i for tests. Test coverage is given, as there are no template specializations.
@ -158,4 +159,50 @@ TEST_CASE("sf::Vector3 class template", "[system]")
CHECK_FALSE(firstEqualVector != secondEqualVector); CHECK_FALSE(firstEqualVector != secondEqualVector);
} }
} }
SECTION("Structured bindings")
{
sf::Vector3i vector(1, 2, 3);
SECTION("destructure by value")
{
auto [x, y, z] = vector;
CHECK(x == 1);
CHECK(y == 2);
CHECK(z == 3);
static_assert(std::is_same_v<decltype(x), decltype(vector.x)>);
x = 3;
CHECK(x == 3);
CHECK(vector.x == 1);
}
SECTION("destructure by ref")
{
auto& [x, y, z] = vector;
CHECK(x == 1);
CHECK(y == 2);
CHECK(z == 3);
static_assert(std::is_same_v<decltype(x), decltype(vector.x)>);
x = 3;
CHECK(x == 3);
CHECK(vector.x == 3);
}
}
SECTION("Constexpr support")
{
constexpr sf::Vector3i vector(1, 2, 3);
static_assert(vector.x == 1);
static_assert(vector.y == 2);
static_assert(vector.z == 3);
static_assert(vector + sf::Vector3i(3, 2, 1) == sf::Vector3i(4, 4, 4));
}
} }