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🐛 Fix issue with size conversion #234

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Merged
merged 1 commit into from
May 30, 2025
Merged

🐛 Fix issue with size conversion #234

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2 changes: 1 addition & 1 deletion include/stdx/utility.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ template <typename T, typename U>
if constexpr (sizeof(T) == sizeof(U)) {
return sz;
} else if constexpr (sizeof(T) > sizeof(U)) {
return (sz * sizeof(T) / sizeof(U)) + (sizeof(T) % sizeof(U) & 1u);
return (sz * sizeof(T) / sizeof(U)) + (sizeof(T) % sizeof(U) > 0);
} else {
return (sz * sizeof(T) + sizeof(U) - 1) / sizeof(U);
}
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12 changes: 12 additions & 0 deletions test/utility.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,18 @@ TEST_CASE("sized<T> in (upsize not divisible)", "[utility]") {
STATIC_REQUIRE(stdx::sized<T>{3}.in<std::uint32_t>() == 3);
}

TEST_CASE("sized<T> in (downsize, mod > 1)", "[utility]") {
using T = std::array<char, 6>;
using U = std::array<char, 4>;
STATIC_REQUIRE(stdx::sized<T>{1}.in<U>() == 2);
}

TEST_CASE("sized<T> in (upsize, mod > 1)", "[utility]") {
using T = std::array<char, 6>;
using U = std::array<char, 4>;
STATIC_REQUIRE(stdx::sized<U>{2}.in<T>() == 2);
}

TEST_CASE("CX_VALUE structural value", "[utility]") {
auto x = CX_VALUE(42);
STATIC_REQUIRE(x() == 42);
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