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Implement P0505: 'Wording for GB 50'

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@291028 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow 2017-01-04 23:03:24 +00:00
parent 9c6b70a0af
commit 3df90c94a3
12 changed files with 207 additions and 33 deletions
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32
include/chrono
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@ -77,13 +77,13 @@ public:
constexpr duration operator+() const;
constexpr duration operator-() const;
duration& operator++();
duration operator++(int);
duration& operator--();
duration operator--(int);
constexpr duration& operator++();
constexpr duration operator++(int);
constexpr duration& operator--();
constexpr duration operator--(int);
duration& operator+=(const duration& d);
duration& operator-=(const duration& d);
constexpr duration& operator+=(const duration& d);
constexpr duration& operator-=(const duration& d);
duration& operator*=(const rep& rhs);
duration& operator/=(const rep& rhs);
@ -567,18 +567,18 @@ public:
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR duration operator+() const {return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR duration operator-() const {return duration(-__rep_);}
_LIBCPP_INLINE_VISIBILITY duration& operator++() {++__rep_; return *this;}
_LIBCPP_INLINE_VISIBILITY duration operator++(int) {return duration(__rep_++);}
_LIBCPP_INLINE_VISIBILITY duration& operator--() {--__rep_; return *this;}
_LIBCPP_INLINE_VISIBILITY duration operator--(int) {return duration(__rep_--);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator++() {++__rep_; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator++(int) {return duration(__rep_++);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator--() {--__rep_; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator--(int) {return duration(__rep_--);}
_LIBCPP_INLINE_VISIBILITY duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;}
_LIBCPP_INLINE_VISIBILITY duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;}
_LIBCPP_INLINE_VISIBILITY duration& operator*=(const rep& rhs) {__rep_ *= rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY duration& operator/=(const rep& rhs) {__rep_ /= rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY duration& operator%=(const rep& rhs) {__rep_ %= rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY duration& operator%=(const duration& rhs) {__rep_ %= rhs.count(); return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator*=(const rep& rhs) {__rep_ *= rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator/=(const rep& rhs) {__rep_ /= rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const rep& rhs) {__rep_ %= rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const duration& rhs) {__rep_ %= rhs.count(); return *this;}
// special values

18
test/std/utilities/time/time.duration/time.duration.arithmetic/op_++.pass.cpp
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@ -11,15 +11,31 @@
// duration
// duration& operator++();
// constexpr duration& operator++(); // constexpr in c++17
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::hours h(3);
return (++h).count() == 4;
}
#endif
int main()
{
{
std::chrono::hours h(3);
std::chrono::hours& href = ++h;
assert(&href == &h);
assert(h.count() == 4);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

25
test/std/utilities/time/time.duration/time.duration.arithmetic/op_++int.pass.cpp
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@ -11,15 +11,32 @@
// duration
// duration operator++(int);
// constexpr duration operator++(int); // constexpr in c++17
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::hours h1(3);
std::chrono::hours h2 = h1++;
return h1.count() == 4 && h2.count() == 3;
}
#endif
int main()
{
std::chrono::hours h(3);
std::chrono::hours h2 = h++;
assert(h.count() == 4);
{
std::chrono::hours h1(3);
std::chrono::hours h2 = h1++;
assert(h1.count() == 4);
assert(h2.count() == 3);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

21
test/std/utilities/time/time.duration/time.duration.arithmetic/op_+=.pass.cpp
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@ -11,16 +11,35 @@
// duration
// duration& operator+=(const duration& d);
// constexpr duration& operator+=(const duration& d); // constexpr in c++17
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::seconds s(3);
s += std::chrono::seconds(2);
if (s.count() != 5) return false;
s += std::chrono::minutes(2);
return s.count() == 125;
}
#endif
int main()
{
{
std::chrono::seconds s(3);
s += std::chrono::seconds(2);
assert(s.count() == 5);
s += std::chrono::minutes(2);
assert(s.count() == 125);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

18
test/std/utilities/time/time.duration/time.duration.arithmetic/op_--.pass.cpp
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@ -11,15 +11,31 @@
// duration
// duration& operator--();
// constexpr duration& operator--(); // constexpr in C++17
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::hours h(3);
return (--h).count() == 2;
}
#endif
int main()
{
{
std::chrono::hours h(3);
std::chrono::hours& href = --h;
assert(&href == &h);
assert(h.count() == 2);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

26
test/std/utilities/time/time.duration/time.duration.arithmetic/op_--int.pass.cpp
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@ -11,15 +11,33 @@
// duration
// duration operator--(int);
// constexpr duration operator--(int); // constexpr in C++17
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::hours h1(3);
std::chrono::hours h2 = h1--;
return h1.count() == 2 && h2.count() == 3;
}
#endif
int main()
{
std::chrono::hours h(3);
std::chrono::hours h2 = h--;
assert(h.count() == 2);
{
std::chrono::hours h1(3);
std::chrono::hours h2 = h1--;
assert(h1.count() == 2);
assert(h2.count() == 3);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

19
test/std/utilities/time/time.duration/time.duration.arithmetic/op_-=.pass.cpp
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@ -16,11 +16,30 @@
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::seconds s(3);
s -= std::chrono::seconds(2);
if (s.count() != 1) return false;
s -= std::chrono::minutes(2);
return s.count() == -119;
}
#endif
int main()
{
{
std::chrono::seconds s(3);
s -= std::chrono::seconds(2);
assert(s.count() == 1);
s -= std::chrono::minutes(2);
assert(s.count() == -119);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

17
test/std/utilities/time/time.duration/time.duration.arithmetic/op_divide=.pass.cpp
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@ -16,9 +16,26 @@
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::seconds s(15);
s /= 5;
return s.count() == 3;
}
#endif
int main()
{
{
std::chrono::nanoseconds ns(15);
ns /= 5;
assert(ns.count() == 3);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

28
test/std/utilities/time/time.duration/time.duration.arithmetic/op_mod=duration.pass.cpp
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@ -16,12 +16,30 @@
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::microseconds us1(11);
std::chrono::microseconds us2(3);
us1 %= us2;
return us1.count() == 2;
}
#endif
int main()
{
std::chrono::microseconds us(11);
{
std::chrono::microseconds us1(11);
std::chrono::microseconds us2(3);
us %= us2;
assert(us.count() == 2);
us %= std::chrono::milliseconds(3);
assert(us.count() == 2);
us1 %= us2;
assert(us1.count() == 2);
us1 %= std::chrono::milliseconds(3);
assert(us1.count() == 2);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

17
test/std/utilities/time/time.duration/time.duration.arithmetic/op_mod=rep.pass.cpp
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@ -16,9 +16,26 @@
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::seconds s(11);
s %= 3;
return s.count() == 2;
}
#endif
int main()
{
{
std::chrono::microseconds us(11);
us %= 3;
assert(us.count() == 2);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

17
test/std/utilities/time/time.duration/time.duration.arithmetic/op_times=.pass.cpp
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@ -16,9 +16,26 @@
#include <chrono>
#include <cassert>
#include "test_macros.h"
#if TEST_STD_VER > 14
constexpr bool test_constexpr()
{
std::chrono::seconds s(3);
s *= 5;
return s.count() == 15;
}
#endif
int main()
{
{
std::chrono::nanoseconds ns(3);
ns *= 5;
assert(ns.count() == 15);
}
#if TEST_STD_VER > 14
static_assert(test_constexpr(), "");
#endif
}

2
www/cxx1z_status.html
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@ -132,7 +132,7 @@
<tr><td><a href="http://wg21.link/P0502R0">P0502R0</a></td><td>LWG</td><td>Throwing out of a parallel algorithm terminates - but how?</td><td>Issaquah</td><td></td><td></td></tr>
<tr><td><a href="http://wg21.link/P0503R0">P0503R0</a></td><td>LWG</td><td>Correcting library usage of "literal type"</td><td>Issaquah</td><td>Complete</td><td>4.0</td></tr>
<tr><td><a href="http://wg21.link/P0504R0">P0504R0</a></td><td>LWG</td><td>Revisiting in-place tag types for any/optional/variant</td><td>Issaquah</td><td>Complete</td><td>4.0</td></tr>
<tr><td><a href="http://wg21.link/P0505R0">P0505R0</a></td><td>LWG</td><td>Wording for GB 50 - constexpr for chrono</td><td>Issaquah</td><td></td><td></td></tr>
<tr><td><a href="http://wg21.link/P0505R0">P0505R0</a></td><td>LWG</td><td>Wording for GB 50 - constexpr for chrono</td><td>Issaquah</td><td>Complete</td><td>4.0</td></tr>
<tr><td><a href="http://wg21.link/P0508R0">P0508R0</a></td><td>LWG</td><td>Wording for GB 58 - structured bindings for node_handles</td><td>Issaquah</td><td></td><td></td></tr>
<tr><td><a href="http://wg21.link/P0509R1">P0509R1</a></td><td>LWG</td><td>Updating “Restrictions on exception handling”</td><td>Issaquah</td><td><i>Nothing to do</i></td><td>n/a</td></tr>
<tr><td><a href="http://wg21.link/P0510R0">P0510R0</a></td><td>LWG</td><td>Disallowing references, incomplete types, arrays, and empty variants</td><td>Issaquah</td><td>Complete</td><td>4.0</td></tr>