153 lines
3.9 KiB
C++
153 lines
3.9 KiB
C++
#include "Test/Test.h"
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#include "Support/Struct.h"
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namespace clice::testing {
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namespace {
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struct X {
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int x;
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int y;
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friend constexpr bool operator== (const X& lhs, const X& rhs) noexcept = default;
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};
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static_assert(std::is_same_v<refl::member_types<X>, type_list<int, int>>);
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TEST(Reflection, FieldName) {
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static struct X {
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int a;
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int b;
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} x;
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static_assert(refl::impl::member_name<&x.a>() == "a", "Member name mismatch");
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static_assert(refl::impl::member_name<&x.b>() == "b", "Member name mismatch");
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static_assert(refl::member_names<X>() == std::array<std::string_view, 2>{"a", "b"});
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static struct Y {
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X x;
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} y;
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static_assert(refl::impl::member_name<&y.x>() == "x", "Member name mismatch");
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static_assert(refl::impl::member_name<&y.x.a>() == "a", "Member name mismatch");
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static_assert(refl::impl::member_name<&y.x.b>() == "b", "Member name mismatch");
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static_assert(refl::member_names<Y>() == std::array<std::string_view, 1>{"x"});
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struct H {
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X x;
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Y y;
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H() = delete;
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};
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static union Z {
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char dummy;
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H h;
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Z() {};
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~Z() {};
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} z;
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static_assert(refl::impl::member_name<&z.h.x>() == "x", "Member name mismatch");
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static_assert(refl::impl::member_name<&z.h.y>() == "y", "Member name mismatch");
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static_assert(refl::impl::member_name<&z.h.y.x>() == "x", "Member name mismatch");
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struct M {
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X x;
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Y y;
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H h;
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};
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static_assert(refl::member_names<M>() == std::array<std::string_view, 3>{"x", "y", "h"});
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}
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TEST(Reflection, Foreach) {
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bool x = false, y = false;
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refl::foreach(X{1, 2}, [&](auto name, auto value) {
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if(name == "x") {
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x = true;
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EXPECT_EQ(value, 1);
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} else if(name == "y") {
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y = true;
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EXPECT_EQ(value, 2);
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} else {
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EXPECT_TRUE(false);
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}
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});
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EXPECT_TRUE(x && y);
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X x1 = {1, 2};
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X x2 = {3, 4};
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EXPECT_TRUE(refl::foreach(x1, x2, [](auto& lhs, auto& rhs) { return lhs = rhs; }));
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EXPECT_EQ(x1.x, 3);
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EXPECT_EQ(x1.y, 4);
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}
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TEST(Reflection, Inheritance) {
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inherited_struct(Y, X) {
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int z;
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};
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static_assert(std::is_same_v<refl::member_types<Y>, type_list<int, int, int>>);
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bool x = false, y = false, z = false;
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refl::foreach(Y{1, 2, 3}, [&](auto name, auto value) {
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if(name == "x") {
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x = true;
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EXPECT_EQ(value, 1);
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} else if(name == "y") {
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y = true;
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EXPECT_EQ(value, 2);
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} else if(name == "z") {
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z = true;
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EXPECT_EQ(value, 3);
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} else {
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EXPECT_TRUE(false);
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}
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});
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EXPECT_TRUE(x && y && z);
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Y y1 = {1, 2, 3};
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Y y2 = {4, 5, 6};
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EXPECT_TRUE(refl::foreach(y1, y2, [](auto& lhs, auto& rhs) { return lhs = rhs; }));
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EXPECT_EQ(y1.x, 4);
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EXPECT_EQ(y1.y, 5);
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EXPECT_EQ(y1.z, 6);
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}
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TEST(Reflection, TupleLike) {
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std::pair<int, int> p = {1, 2};
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static_assert(refl::member_names<decltype(p)>() == std::array<std::string_view, 2>{"0", "1"});
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std::tuple<int, int> t = {1, 2};
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static_assert(refl::member_names<decltype(t)>() == std::array<std::string_view, 2>{"0", "1"});
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bool x = false, y = false;
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refl::foreach(t, [&](auto name, auto value) {
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if(name == "0") {
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x = true;
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EXPECT_EQ(value, 1);
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} else if(name == "1") {
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y = true;
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EXPECT_EQ(value, 2);
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} else {
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EXPECT_TRUE(false);
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}
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});
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EXPECT_TRUE(x && y);
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std::tuple<int, int> t1 = {1, 2};
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std::tuple<int, int> t2 = {3, 4};
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EXPECT_TRUE(refl::foreach(t1, t2, [](auto& lhs, auto& rhs) { return lhs = rhs; }));
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EXPECT_EQ(std::get<0>(t1), 3);
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EXPECT_EQ(std::get<1>(t1), 4);
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EXPECT_EQ(std::get<0>(t2), 3);
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}
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} // namespace
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} // namespace clice::testing
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