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-rw-r--r--libcxx/test/std/containers/sequences/vector.bool/move_assign_noexcept.pass.cpp41
-rw-r--r--libcxx/test/std/containers/sequences/vector/vector.cons/move_assign_noexcept.pass.cpp44
-rw-r--r--libcxx/test/std/strings/basic.string/string.cons/move_assign_noexcept.pass.cpp56
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
}
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