LineageOS/android_external_libcxx
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Revert "Revert "Merge to upstream r304942.""

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This reverts commit 38a0d5af7e.

Test: make checkbuild
Test: ./run_tests.py
Test: ./run_tests.py --bitness 64
This commit is contained in:
Dan Albert
2018-01-17 14:21:02 -08:00
parent 38a0d5af7e
commit c79549b70e
1102 changed files with 19092 additions and 14798 deletions
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49
test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp
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@@ -11,12 +11,14 @@
// <numeric>
// template<class _M, class _N>
// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
// constexpr common_type_t<_M,_N> lcm(_M __m, _N __n)
#include <numeric>
#include <cassert>
#include <climits>
#include <cstdint>
#include <cstdlib>
#include <iostream>
#include <type_traits>
constexpr struct {
int x;
@@ -34,21 +36,24 @@ constexpr struct {
};
template <typename Input1, typename Input2, typename Output>
constexpr bool test0(Input1 in1, Input2 in2, Output out)
constexpr bool test0(int in1, int in2, int out)
{
static_assert((std::is_same<Output, decltype(std::lcm(Input1(0), Input2(0)))>::value), "" );
static_assert((std::is_same<Output, decltype(std::lcm(Input2(0), Input1(0)))>::value), "" );
return out == std::lcm(in1, in2) ? true : (std::abort(), false);
auto value1 = static_cast<Input1>(in1);
auto value2 = static_cast<Input2>(in2);
static_assert(std::is_same_v<Output, decltype(std::lcm(value1, value2))>, "");
static_assert(std::is_same_v<Output, decltype(std::lcm(value2, value1))>, "");
assert(static_cast<Output>(out) == std::lcm(value1, value2));
return true;
}
template <typename Input1, typename Input2 = Input1>
constexpr bool do_test(int = 0)
{
using S1 = typename std::make_signed<Input1>::type;
using S2 = typename std::make_signed<Input2>::type;
using U1 = typename std::make_unsigned<Input1>::type;
using U2 = typename std::make_unsigned<Input2>::type;
using S1 = std::make_signed_t<Input1>;
using S2 = std::make_signed_t<Input2>;
using U1 = std::make_unsigned_t<Input1>;
using U2 = std::make_unsigned_t<Input2>;
bool accumulate = true;
for (auto TC : Cases) {
{ // Test with two signed types
@@ -101,15 +106,15 @@ int main()
assert(do_test<long>(non_cce));
assert(do_test<long long>(non_cce));
static_assert(do_test< int8_t>(), "");
static_assert(do_test<int16_t>(), "");
static_assert(do_test<int32_t>(), "");
static_assert(do_test<int64_t>(), "");
static_assert(do_test<std::int8_t>(), "");
static_assert(do_test<std::int16_t>(), "");
static_assert(do_test<std::int32_t>(), "");
static_assert(do_test<std::int64_t>(), "");
assert(do_test< int8_t>(non_cce));
assert(do_test<int16_t>(non_cce));
assert(do_test<int32_t>(non_cce));
assert(do_test<int64_t>(non_cce));
assert(do_test<std::int8_t>(non_cce));
assert(do_test<std::int16_t>(non_cce));
assert(do_test<std::int32_t>(non_cce));
assert(do_test<std::int64_t>(non_cce));
static_assert(do_test<signed char, int>(), "");
static_assert(do_test<int, signed char>(), "");
@@ -131,9 +136,9 @@ int main()
// LWG#2837
{
auto res1 = std::lcm((int64_t)1234, (int32_t)-2147483648);
(void) std::lcm<int, unsigned long>(INT_MIN, 2); // this used to trigger UBSAN
static_assert( std::is_same<decltype(res1), std::common_type<int64_t, int32_t>::type>::value, "");
assert(res1 == 1324997410816LL);
auto res1 = std::lcm(static_cast<std::int64_t>(1234), INT32_MIN);
(void)std::lcm(INT_MIN, 2UL); // this used to trigger UBSAN
static_assert(std::is_same_v<decltype(res1), std::int64_t>, "");
assert(res1 == 1324997410816LL);
}
}