diff options
Diffstat (limited to 'absl/container/internal/layout_test.cc')
| -rw-r--r-- | absl/container/internal/layout_test.cc | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/absl/container/internal/layout_test.cc b/absl/container/internal/layout_test.cc index 224f741a7879..301e9f7808f1 100644 --- a/absl/container/internal/layout_test.cc +++ b/absl/container/internal/layout_test.cc @@ -45,7 +45,7 @@ Expected Type(Actual val) { return val; } -// Helper class to test different size and alignments. +// Helper classes to test different size and alignments. struct alignas(8) Int128 { uint64_t a, b; friend bool operator==(Int128 lhs, Int128 rhs) { @@ -57,6 +57,14 @@ struct alignas(8) Int128 { } }; +// int64_t is *not* 8-byte aligned on all platforms! +struct alignas(8) Int64 { + int64_t a; + friend bool operator==(Int64 lhs, Int64 rhs) { + return lhs.a == rhs.a; + } +}; + // Properties of types that this test relies on. static_assert(sizeof(int8_t) == 1, ""); static_assert(alignof(int8_t) == 1, ""); @@ -64,6 +72,8 @@ static_assert(sizeof(int16_t) == 2, ""); static_assert(alignof(int16_t) == 2, ""); static_assert(sizeof(int32_t) == 4, ""); static_assert(alignof(int32_t) == 4, ""); +static_assert(sizeof(Int64) == 8, ""); +static_assert(alignof(Int64) == 8, ""); static_assert(sizeof(Int128) == 16, ""); static_assert(alignof(Int128) == 8, ""); @@ -1281,14 +1291,14 @@ TEST(Layout, OverAligned) { TEST(Layout, Alignment) { static_assert(Layout<int8_t>::Alignment() == 1, ""); static_assert(Layout<int32_t>::Alignment() == 4, ""); - static_assert(Layout<int64_t>::Alignment() == 8, ""); + static_assert(Layout<Int64>::Alignment() == 8, ""); static_assert(Layout<Aligned<int8_t, 64>>::Alignment() == 64, ""); - static_assert(Layout<int8_t, int32_t, int64_t>::Alignment() == 8, ""); - static_assert(Layout<int8_t, int64_t, int32_t>::Alignment() == 8, ""); - static_assert(Layout<int32_t, int8_t, int64_t>::Alignment() == 8, ""); - static_assert(Layout<int32_t, int64_t, int8_t>::Alignment() == 8, ""); - static_assert(Layout<int64_t, int8_t, int32_t>::Alignment() == 8, ""); - static_assert(Layout<int64_t, int32_t, int8_t>::Alignment() == 8, ""); + static_assert(Layout<int8_t, int32_t, Int64>::Alignment() == 8, ""); + static_assert(Layout<int8_t, Int64, int32_t>::Alignment() == 8, ""); + static_assert(Layout<int32_t, int8_t, Int64>::Alignment() == 8, ""); + static_assert(Layout<int32_t, Int64, int8_t>::Alignment() == 8, ""); + static_assert(Layout<Int64, int8_t, int32_t>::Alignment() == 8, ""); + static_assert(Layout<Int64, int32_t, int8_t>::Alignment() == 8, ""); } TEST(Layout, ConstexprPartial) { @@ -1323,7 +1333,7 @@ void ExpectPoisoned(const unsigned char (&buf)[N], } TEST(Layout, PoisonPadding) { - using L = Layout<int8_t, int64_t, int32_t, Int128>; + using L = Layout<int8_t, Int64, int32_t, Int128>; constexpr size_t n = L::Partial(1, 2, 3, 4).AllocSize(); { |