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#include <unittest/unittest.h>
#include <thrust/detail/alignment.h>
struct alignof_mock_0
{
char a;
char b;
}; // size: 2 * sizeof(char), alignment: sizeof(char)
struct alignof_mock_1
{
int n;
char c;
// sizeof(int) - sizeof(char) bytes of padding
}; // size: 2 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_2
{
int n;
char c;
// sizeof(int) - sizeof(char) bytes of padding
}; // size: 2 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_3
{
char c;
// sizeof(int) - sizeof(char) bytes of padding
int n;
}; // size: 2 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_4
{
char c0;
// sizeof(int) - sizeof(char) bytes of padding
int n;
char c1;
// sizeof(int) - sizeof(char) bytes of padding
}; // size: 3 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_5
{
char c0;
char c1;
// sizeof(int) - 2 * sizeof(char) bytes of padding
int n;
}; // size: 2 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_6
{
int n;
char c0;
char c1;
// sizeof(int) - 2 * sizeof(char) bytes of padding
}; // size: 2 * sizeof(int), alignment: sizeof(int)
void test_alignof_mocks_sizes()
{
ASSERT_EQUAL(sizeof(alignof_mock_0), 2 * sizeof(char));
ASSERT_EQUAL(sizeof(alignof_mock_1), 2 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_2), 2 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_3), 2 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_4), 3 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_5), 2 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_6), 2 * sizeof(int));
}
DECLARE_UNITTEST(test_alignof_mocks_sizes);
void test_alignof()
{
ASSERT_EQUAL(alignof(bool) , sizeof(bool));
ASSERT_EQUAL(alignof(signed char) , sizeof(signed char));
ASSERT_EQUAL(alignof(unsigned char) , sizeof(unsigned char));
ASSERT_EQUAL(alignof(char) , sizeof(char));
ASSERT_EQUAL(alignof(short int) , sizeof(short int));
ASSERT_EQUAL(alignof(unsigned short int) , sizeof(unsigned short int));
ASSERT_EQUAL(alignof(int) , sizeof(int));
ASSERT_EQUAL(alignof(unsigned int) , sizeof(unsigned int));
ASSERT_EQUAL(alignof(long int) , sizeof(long int));
ASSERT_EQUAL(alignof(unsigned long int) , sizeof(unsigned long int));
ASSERT_EQUAL(alignof(long long int) , sizeof(long long int));
ASSERT_EQUAL(alignof(unsigned long long int), sizeof(unsigned long long int));
ASSERT_EQUAL(alignof(float) , sizeof(float));
ASSERT_EQUAL(alignof(double) , sizeof(double));
ASSERT_EQUAL(alignof(long double) , sizeof(long double));
ASSERT_EQUAL(alignof(alignof_mock_0), sizeof(char));
ASSERT_EQUAL(alignof(alignof_mock_1), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_2), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_3), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_4), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_5), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_6), sizeof(int));
}
DECLARE_UNITTEST(test_alignof);
void test_alignment_of()
{
ASSERT_EQUAL(
thrust::detail::alignment_of<bool>::value
, sizeof(bool)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<signed char>::value
, sizeof(signed char)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<unsigned char>::value
, sizeof(unsigned char)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<char>::value
, sizeof(char)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<short int>::value
, sizeof(short int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<unsigned short int>::value
, sizeof(unsigned short int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<int>::value
, sizeof(int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<unsigned int>::value
, sizeof(unsigned int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<long int>::value
, sizeof(long int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<unsigned long int>::value
, sizeof(unsigned long int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<long long int>::value
, sizeof(long long int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<unsigned long long int>::value
, sizeof(unsigned long long int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<float>::value
, sizeof(float)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<double>::value
, sizeof(double)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<long double>::value
, sizeof(long double)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<alignof_mock_0>::value
, sizeof(char)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<alignof_mock_1>::value
, sizeof(int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<alignof_mock_2>::value
, sizeof(int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<alignof_mock_3>::value
, sizeof(int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<alignof_mock_4>::value
, sizeof(int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<alignof_mock_5>::value
, sizeof(int)
);
ASSERT_EQUAL(
thrust::detail::alignment_of<alignof_mock_6>::value
, sizeof(int)
);
}
DECLARE_UNITTEST(test_alignment_of);
template <std::size_t Align>
void test_aligned_type_instantiation()
{
typedef typename thrust::detail::aligned_type<Align>::type type;
ASSERT_GEQUAL(sizeof(type), 1lu);
ASSERT_EQUAL(alignof(type), Align);
ASSERT_EQUAL(thrust::detail::alignment_of<type>::value, Align);
}
void test_aligned_type()
{
test_aligned_type_instantiation<1>();
test_aligned_type_instantiation<2>();
test_aligned_type_instantiation<4>();
test_aligned_type_instantiation<8>();
test_aligned_type_instantiation<16>();
test_aligned_type_instantiation<32>();
test_aligned_type_instantiation<64>();
test_aligned_type_instantiation<128>();
}
DECLARE_UNITTEST(test_aligned_type);
void test_max_align_t()
{
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(bool)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(signed char)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(unsigned char)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(char)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(short int)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(unsigned short int)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(int)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(unsigned int)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(long int)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(unsigned long int)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(long long int)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(unsigned long long int)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(float)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(double)
);
ASSERT_GEQUAL(
alignof(thrust::detail::max_align_t)
, alignof(long double)
);
}
DECLARE_UNITTEST(test_max_align_t);
void test_aligned_reinterpret_cast()
{
thrust::detail::aligned_type<1>* a1 = 0;
thrust::detail::aligned_type<2>* a2 = 0;
// Cast to type with stricter (larger) alignment requirement.
a2 = thrust::detail::aligned_reinterpret_cast<
thrust::detail::aligned_type<2>*
>(a1);
// Cast to type with less strict (smaller) alignment requirement.
a1 = thrust::detail::aligned_reinterpret_cast<
thrust::detail::aligned_type<1>*
>(a2);
}
DECLARE_UNITTEST(test_aligned_reinterpret_cast);
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