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Add unit tests for small_storage

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This commit is contained in:
mutouyun 2023-09-09 16:42:23 +08:00
parent c503812c6f
commit 6a243514ae
2 changed files with 20 additions and 4 deletions
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6
include/libpmr/small_storage.h
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@ -454,7 +454,7 @@ public:
template <std::size_t N> template <std::size_t N>
class small_storage { class small_storage {
static_assert(N > sizeof(holder<int, false>), "N must be greater than sizeof(holder<int, false>)"); static_assert(N >= sizeof(holder<void *, false>), "N must be greater than sizeof(holder<void *, false>)");
alignas(std::max_align_t) std::array<::LIBIMP::byte, N> storage_; alignas(std::max_align_t) std::array<::LIBIMP::byte, N> storage_;
@ -467,11 +467,11 @@ public:
} }
holder_base *get_holder() noexcept { holder_base *get_holder() noexcept {
return static_cast<holder_base *>(storage_.data()); return reinterpret_cast<holder_base *>(storage_.data());
} }
holder_base const *get_holder() const noexcept { holder_base const *get_holder() const noexcept {
return static_cast<holder_base const *>(storage_.data()); return reinterpret_cast<holder_base const *>(storage_.data());
} }
bool valid() const noexcept { bool valid() const noexcept {

18
test/pmr/test_pmr_small_storage.cpp
View File

@ -99,5 +99,21 @@ TEST(small_storage, holder_copy_move) {
h12.destroy(alc); h12.destroy(alc);
} }
TEST(small_storage, construct) { TEST(small_storage, sizeof) {
EXPECT_EQ(sizeof(pmr::holder_null), sizeof(void *));
EXPECT_EQ(sizeof(pmr::holder<int, true>), sizeof(void *) + imp::round_up(sizeof(int), alignof(void *)));
EXPECT_EQ(sizeof(pmr::holder<int, false>), sizeof(void *) + sizeof(void *));
EXPECT_EQ(sizeof(pmr::holder<void, true>), sizeof(void *) + sizeof(void *) + sizeof(pmr::detail::holder_info));
EXPECT_EQ(sizeof(pmr::holder<void, false>), sizeof(void *) + sizeof(void *));
// pmr::small_storage<4> s1;
EXPECT_EQ(sizeof(pmr::small_storage<16>) , 16);
EXPECT_EQ(sizeof(pmr::small_storage<64>) , 64);
EXPECT_EQ(sizeof(pmr::small_storage<512>) , 512);
EXPECT_EQ(sizeof(pmr::small_storage<4096>), 4096);
}
TEST(small_storage, construct) {
pmr::small_storage<64> ss;
SUCCEED();
} }