Update copyright years.

[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 20_util / shared_ptr / cons / auto_ptr.cc

diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/cons/auto_ptr.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/cons/auto_ptr.cc
index 7a99490bcacc92729b2d6af7df21752313249c67..e39b0d87567375e87172f84209b2f2cf2db15a5d 100644 (file)
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/cons/auto_ptr.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/cons/auto_ptr.cc
@@ -1,7 +1,9 @@
 // { dg-options "-Wno-deprecated" }
+// { dg-add-options using-deprecated }
 // { dg-do run { target c++11 } }
+// { dg-require-effective-target hosted }
 
-// Copyright (C) 2005-2016 Free Software Foundation, Inc.
+// Copyright (C) 2005-2024 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -25,10 +27,28 @@
 
 struct A { };
 
+int destroyed = 0;
+struct B : A { ~B() { ++destroyed; } };
+
 // 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const]
 
 // Construction from auto_ptr
-int
+
+template<typename From, typename To>
+constexpr bool constructible()
+{
+  using namespace std;
+  return is_constructible<shared_ptr<To>, auto_ptr<From>>::value
+    && is_constructible<shared_ptr<const To>, auto_ptr<From>>::value
+    && is_constructible<shared_ptr<const To>, auto_ptr<const From>>::value;
+}
+
+static_assert(  constructible< A,   A    >(), "A -> A compatible" );
+static_assert(  constructible< B,   A    >(), "B -> A compatible" );
+static_assert(  constructible< int, int  >(), "int -> int compatible" );
+static_assert( !constructible< int, long >(), "int -> long not compatible" );
+
+void
 test01()
 {
   std::auto_ptr<A> a(new A);
@@ -36,13 +56,24 @@ test01()
   VERIFY( a.get() == 0 );
   VERIFY( a2.get() != 0 );
   VERIFY( a2.use_count() == 1 );
+}
 
-  return 0;
+void
+test02()
+{
+  std::auto_ptr<B> b(new B);
+  std::shared_ptr<A> a(std::move(b));
+  VERIFY( b.get() == 0 );
+  VERIFY( a.get() != 0 );
+  VERIFY( a.use_count() == 1 );
+  a.reset();
+  VERIFY( destroyed == 1 );
 }
 
 int
 main()
 {
   test01();
+  test02();
   return 0;
 }