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Mark LWG2824 as complete. We already did it, but I added a test to be sure 

llvm-svn: 321689
This commit is contained in:
Marshall Clow 2018-01-03 04:37:30 +00:00
parent b5153ef7e8
commit 12e17b19ba
2 changed files with 43 additions and 2 deletions
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41
libcxx/test/std/containers/sequences/list/list.ops/sort_comp.pass.cpp
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@ -13,10 +13,29 @@
#include <list>
#include <functional>
#include <algorithm> // for is_permutation
#include <cassert>
#include "min_allocator.h"
#ifndef TEST_HAS_NO_EXCEPTIONS
template <typename T>
struct throwingLess {
throwingLess() : num_(1) {}
throwingLess(int num) : num_(num) {}
bool operator() (const T& lhs, const T& rhs) const
{
if ( --num_ == 0) throw 1;
return lhs < rhs;
}
mutable int num_;
};
#endif
int main()
{
{
@ -26,6 +45,28 @@ int main()
c1.sort(std::greater<int>());
assert(c1 == std::list<int>(a2, a2+sizeof(a2)/sizeof(a2[0])));
}
// Test with throwing comparison; make sure that nothing is lost.
// This is (sort of) LWG #2824
#ifndef TEST_HAS_NO_EXCEPTIONS
{
int a1[] = {4, 8, 1, 0, 5, 7, 2, 3, 6, 11, 10, 9};
const int sz = sizeof(a1)/sizeof(a1[0]);
for (int i = 0; i < 10; ++i)
{
std::list<int> c1(a1, a1 + sz);
try
{
throwingLess<int> comp(i);
c1.sort(std::cref(comp));
}
catch (int) {}
assert((c1.size() == sz));
assert((std::is_permutation(c1.begin(), c1.end(), a1)));
}
}
#endif
#if TEST_STD_VER >= 11
{
int a1[] = {4, 8, 1, 0, 5, 7, 2, 3, 6, 11, 10, 9};

4
libcxx/www/cxx1z_status.html
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@ -454,7 +454,7 @@
<tr><td><a href="https://wg21.link/LWG2788">2788</a></td><td>basic_string range mutators unintentionally require a default constructible allocator</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2789">2789</a></td><td>Equivalence of contained objects</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2790">2790</a></td><td>Missing specification of istreambuf_iterator::operator-&gt;</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2794">2794</a></td><td>Missing requirements for allocator pointers</td><td>Kona</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2794">2794</a></td><td>Missing requirements for allocator pointers</td><td>Kona</td><td><I>Nothing to do</I></td></tr>
<tr><td><a href="https://wg21.link/LWG2795">2795</a></td><td>&sect;[global.functions] provides incorrect example of ADL use</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2796">2796</a></td><td>tuple should be a literal type</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2801">2801</a></td><td>Default-constructibility of unique_ptr</td><td>Kona</td><td>Complete</td></tr>
@ -463,7 +463,7 @@
<tr><td><a href="https://wg21.link/LWG2806">2806</a></td><td>Base class of bad_optional_access</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2807">2807</a></td><td>std::invoke should use std::is_nothrow_callable</td><td>Kona</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2812">2812</a></td><td>Range access is available with &lt;string_view&gt;</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2824">2824</a></td><td>list::sort should say that the order of elements is unspecified if an exception is thrown</td><td>Kona</td><td></td></tr>
<tr><td><a href="https://wg21.link/LWG2824">2824</a></td><td>list::sort should say that the order of elements is unspecified if an exception is thrown</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2826">2826</a></td><td>string_view iterators use old wording</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2834">2834</a></td><td>Resolution LWG 2223 is missing wording about end iterators</td><td>Kona</td><td>Complete</td></tr>
<tr><td><a href="https://wg21.link/LWG2835">2835</a></td><td>LWG 2536 seems to misspecify &lt;tgmath.h&gt;</td><td>Kona</td><td></td></tr>