1 files changed, 68 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/unique_ptr/modifiers/constexpr.cc b/libstdc++-v3/testsuite/20_util/unique_ptr/modifiers/constexpr.cc
new file mode 100644
index 00000000000..81908fdc081
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/unique_ptr/modifiers/constexpr.cc
@@ -0,0 +1,68 @@
+// { dg-options "-std=gnu++23" }
+// { dg-do compile { target c++23 } }
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+constexpr bool
+test_release()
+{
+  std::unique_ptr<int> p1;
+  int* r = p1.release();
+  VERIFY( !r );
+  VERIFY( !p1 );
+
+  std::unique_ptr<int> p2(new int(2));
+  r = p2.release();
+  VERIFY( r );
+  VERIFY( !p2 );
+  delete r;
+
+  std::unique_ptr<int[]> a1;
+  r = a1.release();
+  VERIFY( !r );
+  VERIFY( !a1 );
+
+  std::unique_ptr<int[]> a2(new int[2]{});
+  r = a2.release();
+  VERIFY( r );
+  VERIFY( !a2 );
+  delete[] r;
+
+  return true;
+}
+static_assert( test_release() );
+
+constexpr bool
+test_reset()
+{
+  std::unique_ptr<int> p1;
+  p1.reset();
+  VERIFY( !p1 );
+  p1.reset(nullptr);
+  VERIFY( !p1 );
+  p1.reset(new int(2));
+  VERIFY( *p1 == 2 );
+  p1.reset(new int(3));
+  VERIFY( *p1 == 3 );
+  p1.reset(nullptr);
+  VERIFY( !p1 );
+
+  std::unique_ptr<int[]> a1;
+  a1.reset();
+  VERIFY( !a1 );
+  a1.reset(nullptr);
+  VERIFY( !a1 );
+  a1.reset(new int[]{2,3});
+  VERIFY( a1[0] == 2 );
+  a1.reset(new int[]{4,5,6});
+  VERIFY( a1[1] == 5 );
+  a1.reset(nullptr);
+  VERIFY( !a1 );
+
+  std::unique_ptr<const int[]> a2;
+  a2.reset(new int[2]{});
+
+  return true;
+}
+static_assert( test_reset() );