typedef unique_ptr<_Tp, _Dp> argument_type;
typedef size_t result_type;
_LIBCPP_INLINE_VISIBILITY
- result_type operator()(const argument_type& __ptr) const _NOEXCEPT
+ result_type operator()(const argument_type& __ptr) const
{
typedef typename argument_type::pointer pointer;
return hash<pointer>()(__ptr.get());
typedef size_t result_type;
_LIBCPP_INLINE_VISIBILITY
- result_type operator()(const argument_type& __opt) const _NOEXCEPT
+ result_type operator()(const argument_type& __opt) const
{
return static_cast<bool>(__opt) ? hash<remove_const_t<_Tp>>()(*__opt) : 0;
}
: public unary_function<__thread_id, size_t>
{
_LIBCPP_INLINE_VISIBILITY
- size_t operator()(__thread_id __v) const
+ size_t operator()(__thread_id __v) const _NOEXCEPT
{
return hash<__libcpp_thread_id>()(__v.__id_);
}
using result_type = size_t;
inline _LIBCPP_INLINE_VISIBILITY
- result_type operator()(const argument_type&) const {
+ result_type operator()(const argument_type&) const _NOEXCEPT {
return 66740831; // return a fundamentally attractive random value.
}
};
typedef std::hash<T> H;
static_assert((std::is_same<H::argument_type, T>::value), "" );
static_assert((std::is_same<H::result_type, std::size_t>::value), "" );
-
+ ASSERT_NOEXCEPT(H()(T()));
+
bool ba[] = {true, false, true, true, false};
T vb(std::begin(ba), std::end(ba));
H h;
typedef std::hash<T> H;
static_assert((std::is_same<H::argument_type, T>::value), "" );
static_assert((std::is_same<H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
bool ba[] = {true, false, true, true, false};
T vb(std::begin(ba), std::end(ba));
H h;
typedef std::hash<T> H;
static_assert((std::is_same<H::argument_type, T>::value), "" );
static_assert((std::is_same<H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
H h;
T ec(i, std::system_category());
const std::size_t result = h(ec);
typedef std::hash<T> H;
static_assert((std::is_same<H::argument_type, T>::value), "" );
static_assert((std::is_same<H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
H h;
T ec(i, std::system_category());
const std::size_t result = h(ec);
#include <cassert>
#include <type_traits>
+#include "test_macros.h"
+
template <class T>
void
test()
typedef std::hash<T> H;
static_assert((std::is_same<typename H::argument_type, T>::value), "" );
static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
+
H h;
std::string g1 = "1234567890";
std::string g2 = "1234567891";
#include <cassert>
#include <type_traits>
+#include "test_macros.h"
+
using std::string_view;
template <class SV>
typedef typename SV::value_type char_type;
typedef std::basic_string<char_type> String;
typedef std::hash<String> SH;
+ ASSERT_NOEXCEPT(H()(SV()));
char_type g1 [ 10 ];
char_type g2 [ 10 ];
#include <thread>
#include <cassert>
+#include "test_macros.h"
+
int main()
{
std::thread::id id1;
typedef std::hash<std::thread::id> H;
static_assert((std::is_same<typename H::argument_type, std::thread::id>::value), "" );
static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(id2));
H h;
assert(h(id1) != h(id2));
}
typedef std::hash<T> H;
static_assert((std::is_same<typename H::argument_type, T>::value), "" );
static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
typedef typename std::underlying_type<T>::type under_type;
H h1;
#include <limits>
#include <cmath>
+#include "test_macros.h"
+
template <class T>
void
test()
typedef std::hash<T> H;
static_assert((std::is_same<typename H::argument_type, T>::value), "" );
static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
H h;
std::size_t t0 = h(0.);
typedef std::hash<T> H;
static_assert((std::is_same<typename H::argument_type, T>::value), "" );
static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
H h;
for (int i = 0; i <= 5; ++i)
test<long long>();
test<unsigned long long>();
-// LWG #2119
+// LWG #2119
test<std::ptrdiff_t>();
test<size_t>();
- test<int8_t>();
- test<int16_t>();
- test<int32_t>();
- test<int64_t>();
+ test<int8_t>();
+ test<int16_t>();
+ test<int32_t>();
+ test<int64_t>();
- test<int_fast8_t>();
- test<int_fast16_t>();
- test<int_fast32_t>();
- test<int_fast64_t>();
+ test<int_fast8_t>();
+ test<int_fast16_t>();
+ test<int_fast32_t>();
+ test<int_fast64_t>();
- test<int_least8_t>();
- test<int_least16_t>();
- test<int_least32_t>();
- test<int_least64_t>();
+ test<int_least8_t>();
+ test<int_least16_t>();
+ test<int_least32_t>();
+ test<int_least64_t>();
test<intmax_t>();
test<intptr_t>();
- test<uint8_t>();
- test<uint16_t>();
- test<uint32_t>();
- test<uint64_t>();
+ test<uint8_t>();
+ test<uint16_t>();
+ test<uint32_t>();
+ test<uint64_t>();
- test<uint_fast8_t>();
- test<uint_fast16_t>();
- test<uint_fast32_t>();
- test<uint_fast64_t>();
+ test<uint_fast8_t>();
+ test<uint_fast16_t>();
+ test<uint_fast32_t>();
+ test<uint_fast64_t>();
- test<uint_least8_t>();
- test<uint_least16_t>();
- test<uint_least32_t>();
- test<uint_least64_t>();
+ test<uint_least8_t>();
+ test<uint_least16_t>();
+ test<uint_least32_t>();
+ test<uint_least64_t>();
test<uintmax_t>();
test<uintptr_t>();
#include <type_traits>
#include <limits>
+#include "test_macros.h"
+
template <class T>
void
test()
typedef std::hash<T> H;
static_assert((std::is_same<typename H::argument_type, T>::value), "" );
static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
H h;
typedef typename std::remove_pointer<T>::type type;
assert(h(&i) != h(&j));
}
+void test_nullptr()
+{
+ typedef std::nullptr_t T;
+ typedef std::hash<T> H;
+ static_assert((std::is_same<typename H::argument_type, T>::value), "" );
+ static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
+}
+
int main()
{
test<int*>();
+ test_nullptr();
}
int* ptr = new int;
std::unique_ptr<int> p(ptr);
std::hash<std::unique_ptr<int> > f;
+ ASSERT_NOT_NOEXCEPT(f(p));
std::size_t h = f(p);
assert(h == std::hash<int*>()(ptr));
}
{
typedef int T;
optional<T> opt;
+ ASSERT_NOT_NOEXCEPT(std::hash<optional<T>>()(opt));
assert(std::hash<optional<T>>{}(opt) == nullopt_hash);
opt = 2;
assert(std::hash<optional<T>>{}(opt) == std::hash<T>{}(*opt));
{
typedef std::string T;
optional<T> opt;
+ ASSERT_NOT_NOEXCEPT(std::hash<optional<T>>()(opt));
assert(std::hash<optional<T>>{}(opt) == nullopt_hash);
opt = std::string("123");
assert(std::hash<optional<T>>{}(opt) == std::hash<T>{}(*opt));
{
typedef std::unique_ptr<int> T;
optional<T> opt;
+ ASSERT_NOT_NOEXCEPT(std::hash<optional<T>>()(opt));
assert(std::hash<optional<T>>{}(opt) == nullopt_hash);
opt = std::unique_ptr<int>(new int(3));
assert(std::hash<optional<T>>{}(opt) == std::hash<T>{}(*opt));
typedef std::hash<T> H;
static_assert((std::is_same<typename H::argument_type, T>::value), "" );
static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
+ ASSERT_NOEXCEPT(H()(T()));
+
H h;
T bs(static_cast<unsigned long long>(N));
const std::size_t result = h(bs);
assert(h(m1) == h(m2));
{
ASSERT_SAME_TYPE(decltype(h(m1)), std::size_t);
+ ASSERT_NOEXCEPT(h(m1));
static_assert(std::is_copy_constructible<H>::value, "");
}
{