diff options
Diffstat (limited to 'libcxx/test')
3 files changed, 137 insertions, 4 deletions
diff --git a/libcxx/test/std/containers/sequences/vector.bool/move_assign_noexcept.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/move_assign_noexcept.pass.cpp index b580eb4ae3b..4dd871c9447 100644 --- a/libcxx/test/std/containers/sequences/vector.bool/move_assign_noexcept.pass.cpp +++ b/libcxx/test/std/containers/sequences/vector.bool/move_assign_noexcept.pass.cpp @@ -28,6 +28,32 @@ struct some_alloc some_alloc(const some_alloc&); }; +template <class T> +struct some_alloc2 +{ + typedef T value_type; + + some_alloc2() {} + some_alloc2(const some_alloc2&); + void deallocate(void*, unsigned) {} + + typedef std::false_type propagate_on_container_move_assignment; + typedef std::true_type is_always_equal; +}; + +template <class T> +struct some_alloc3 +{ + typedef T value_type; + + some_alloc3() {} + some_alloc3(const some_alloc3&); + void deallocate(void*, unsigned) {} + + typedef std::false_type propagate_on_container_move_assignment; + typedef std::false_type is_always_equal; +}; + int main() { #if __has_feature(cxx_noexcept) @@ -45,7 +71,22 @@ int main() } { typedef std::vector<bool, some_alloc<bool>> C; +#if TEST_STD_VER > 14 + static_assert( std::is_nothrow_move_assignable<C>::value, ""); +#else static_assert(!std::is_nothrow_move_assignable<C>::value, ""); +#endif + } +#if TEST_STD_VER > 14 + { // POCMA false, is_always_equal true + typedef std::vector<bool, some_alloc2<bool>> C; + static_assert( std::is_nothrow_move_assignable<C>::value, ""); } + { // POCMA false, is_always_equal false + typedef std::vector<bool, some_alloc3<bool>> C; + static_assert(!std::is_nothrow_move_assignable<C>::value, ""); + } +#endif + #endif } diff --git a/libcxx/test/std/containers/sequences/vector/vector.cons/move_assign_noexcept.pass.cpp b/libcxx/test/std/containers/sequences/vector/vector.cons/move_assign_noexcept.pass.cpp index 1c4a4f7c928..c0922449796 100644 --- a/libcxx/test/std/containers/sequences/vector/vector.cons/move_assign_noexcept.pass.cpp +++ b/libcxx/test/std/containers/sequences/vector/vector.cons/move_assign_noexcept.pass.cpp @@ -29,6 +29,33 @@ struct some_alloc some_alloc(const some_alloc&); }; +template <class T> +struct some_alloc2 +{ + typedef T value_type; + + some_alloc2() {} + some_alloc2(const some_alloc2&); + void deallocate(void*, unsigned) {} + + typedef std::false_type propagate_on_container_move_assignment; + typedef std::true_type is_always_equal; +}; + +template <class T> +struct some_alloc3 +{ + typedef T value_type; + + some_alloc3() {} + some_alloc3(const some_alloc3&); + void deallocate(void*, unsigned) {} + + typedef std::false_type propagate_on_container_move_assignment; + typedef std::false_type is_always_equal; +}; + + int main() { #if __has_feature(cxx_noexcept) @@ -46,7 +73,24 @@ int main() } { typedef std::vector<MoveOnly, some_alloc<MoveOnly>> C; + // In C++17, move assignment for allocators are not allowed to throw +#if TEST_STD_VER > 14 + static_assert( std::is_nothrow_move_assignable<C>::value, ""); +#else + static_assert(!std::is_nothrow_move_assignable<C>::value, ""); +#endif + } + +#if TEST_STD_VER > 14 + { // POCMA false, is_always_equal true + typedef std::vector<MoveOnly, some_alloc2<MoveOnly>> C; + static_assert( std::is_nothrow_move_assignable<C>::value, ""); + } + { // POCMA false, is_always_equal false + typedef std::vector<MoveOnly, some_alloc3<MoveOnly>> C; static_assert(!std::is_nothrow_move_assignable<C>::value, ""); } #endif + +#endif } diff --git a/libcxx/test/std/strings/basic.string/string.cons/move_assign_noexcept.pass.cpp b/libcxx/test/std/strings/basic.string/string.cons/move_assign_noexcept.pass.cpp index 32c9514a915..d7bd5e06bbe 100644 --- a/libcxx/test/std/strings/basic.string/string.cons/move_assign_noexcept.pass.cpp +++ b/libcxx/test/std/strings/basic.string/string.cons/move_assign_noexcept.pass.cpp @@ -11,14 +11,18 @@ // basic_string& operator=(basic_string&& c) // noexcept( -// allocator_type::propagate_on_container_move_assignment::value && -// is_nothrow_move_assignable<allocator_type>::value); - -// This tests a conforming extension +// allocator_traits<allocator_type>::propagate_on_container_move_assignment::value || +// allocator_traits<allocator_type>::is_always_equal::value); // C++17 +// +// before C++17, we use the conforming extension +// noexcept( +// allocator_type::propagate_on_container_move_assignment::value && +// is_nothrow_move_assignable<allocator_type>::value); #include <string> #include <cassert> +#include "test_macros.h" #include "test_allocator.h" template <class T> @@ -28,6 +32,32 @@ struct some_alloc some_alloc(const some_alloc&); }; +template <class T> +struct some_alloc2 +{ + typedef T value_type; + + some_alloc2() {} + some_alloc2(const some_alloc2&); + void deallocate(void*, unsigned) {} + + typedef std::false_type propagate_on_container_move_assignment; + typedef std::true_type is_always_equal; +}; + +template <class T> +struct some_alloc3 +{ + typedef T value_type; + + some_alloc3() {} + some_alloc3(const some_alloc3&); + void deallocate(void*, unsigned) {} + + typedef std::false_type propagate_on_container_move_assignment; + typedef std::false_type is_always_equal; +}; + int main() { #if __has_feature(cxx_noexcept) @@ -41,7 +71,25 @@ int main() } { typedef std::basic_string<char, std::char_traits<char>, some_alloc<char>> C; +#if TEST_STD_VER > 14 + // if the allocators are always equal, then the move assignment can be noexcept + static_assert( std::is_nothrow_move_assignable<C>::value, ""); +#else static_assert(!std::is_nothrow_move_assignable<C>::value, ""); +#endif + } +#if TEST_STD_VER > 14 + { + // POCMA is false, always equal + typedef std::basic_string<char, std::char_traits<char>, some_alloc2<char>> C; + static_assert( std::is_nothrow_move_assignable<C>::value, ""); } + { + // POCMA is false, not always equal + typedef std::basic_string<char, std::char_traits<char>, some_alloc3<char>> C; + static_assert(!std::is_nothrow_move_assignable<C>::value, ""); + } +#endif + #endif } |