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More of N4258 implementation. Mark all of our test_allocators as noexcept constructible. Make the constructors for basic_string noexcept all the time (under C++14). Update tests to reflect the new world order. More to come.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@238957 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2015-06-03 19:56:43 +00:00
parent bbf87b1c34
commit 7b193f7797
8 changed files with 113 additions and 29 deletions
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23
test/std/strings/basic.string/string.cons/move_alloc.pass.cpp
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@@ -16,6 +16,7 @@
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
@@ -34,6 +35,11 @@ test(S s0, const typename S::allocator_type& a)
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
// #if _LIBCPP_STD_VER <= 14
// _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
// #else
// _NOEXCEPT;
// #endif
int main()
{
@@ -41,6 +47,11 @@ int main()
{
typedef test_allocator<char> A;
typedef std::basic_string<char, std::char_traits<char>, A> S;
#if TEST_STD_VER > 14
static_assert((noexcept(S{})), "" );
#elif TEST_STD_VER >= 11
static_assert((noexcept(S()) == std::is_nothrow_move_constructible<A>::value), "" );
#endif
test(S(), A(3));
test(S("1"), A(5));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), A(7));
@@ -50,15 +61,25 @@ int main()
{
typedef test_allocator<char> A;
typedef std::basic_string<char, std::char_traits<char>, A> S;
#if TEST_STD_VER > 14
static_assert((noexcept(S{})), "" );
#elif TEST_STD_VER >= 11
static_assert((noexcept(S()) == std::is_nothrow_move_constructible<A>::value), "" );
#endif
S s1 ( "Twas brillig, and the slivy toves did gyre and gymbal in the wabe" );
S s2 (std::move(s1), A(1));
}
assert ( test_alloc_base::alloc_count == alloc_count );
#if __cplusplus >= 201103L
#if TEST_STD_VER >= 11
{
typedef min_allocator<char> A;
typedef std::basic_string<char, std::char_traits<char>, A> S;
#if TEST_STD_VER > 14
static_assert((noexcept(S{})), "" );
#elif TEST_STD_VER >= 11
static_assert((noexcept(S()) == std::is_nothrow_move_constructible<A>::value), "" );
#endif
test(S(), A());
test(S("1"), A());
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"), A());